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Merge ../linux-2.6

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Paul Mackerras 2006-05-05 15:45:48 +10:00
commit f18fc729cd
305 changed files with 4457 additions and 3753 deletions
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10
CREDITS
View file

@ -1194,15 +1194,9 @@ S: Brecksville, OH 44141-1334
S: USA
N: Tristan Greaves
E: Tristan.Greaves@icl.com
E: tmg296@ecs.soton.ac.uk
W: http://www.ecs.soton.ac.uk/~tmg296
E: tristan@extricate.org
W: http://www.extricate.org/
D: Miscellaneous ipv4 sysctl patches
S: 15 Little Mead
S: Denmead
S: Hampshire
S: PO7 6HS
S: United Kingdom
N: Michael A. Griffith
E: grif@cs.ucr.edu

2
Documentation/power/video.txt
View file

@ -140,7 +140,7 @@ IBM TP T41p s3_bios (2), switch to X after resume
IBM TP T42 s3_bios (2)
IBM ThinkPad T42p (2373-GTG) s3_bios (2)
IBM TP X20 ??? (*)
IBM TP X30 s3_bios (2)
IBM TP X30 s3_bios, s3_mode (4)
IBM TP X31 / Type 2672-XXH none (1), use radeontool (http://fdd.com/software/radeon/) to turn off backlight.
IBM TP X32 none (1), but backlight is on and video is trashed after long suspend. s3_bios,s3_mode (4) works too. Perhaps that gets better results?
IBM Thinkpad X40 Type 2371-7JG s3_bios,s3_mode (4)

81
Documentation/sound/alsa/Audiophile-Usb.txt
View file

@ -1,4 +1,4 @@
Guide to using M-Audio Audiophile USB with ALSA and Jack v1.2
Guide to using M-Audio Audiophile USB with ALSA and Jack v1.3
========================================================
Thibault Le Meur <Thibault.LeMeur@supelec.fr>
@ -22,16 +22,16 @@ The device has 4 audio interfaces, and 2 MIDI ports:
* Midi In (Mi)
* Midi Out (Mo)
The internal DAC/ADC has the following caracteristics:
The internal DAC/ADC has the following characteristics:
* sample depth of 16 or 24 bits
* sample rate from 8kHz to 96kHz
* Two ports can't use different sample depths at the same time.Moreover, the
* Two ports can't use different sample depths at the same time. Moreover, the
Audiophile USB documentation gives the following Warning: "Please exit any
audio application running before switching between bit depths"
Due to the USB 1.1 bandwidth limitation, a limited number of interfaces can be
activated at the same time depending on the audio mode selected:
* 16-bit/48kHz ==> 4 channels in/ 4 channels out
* 16-bit/48kHz ==> 4 channels in/4 channels out
- Ai+Ao+Di+Do
* 24-bit/48kHz ==> 4 channels in/2 channels out,
or 2 channels in/4 channels out
@ -41,8 +41,8 @@ activated at the same time depending on the audio mode selected:
Important facts about the Digital interface:
--------------------------------------------
* The Do port additionnaly supports surround-encoded AC-3 and DTS passthrough,
though I haven't tested it under linux
* The Do port additionally supports surround-encoded AC-3 and DTS passthrough,
though I haven't tested it under Linux
- Note that in this setup only the Do interface can be enabled
* Apart from recording an audio digital stream, enabling the Di port is a way
to synchronize the device to an external sample clock
@ -60,24 +60,23 @@ synchronization error (for instance sound played at an odd sample rate)
The Audiophile USB MIDI ports will be automatically supported once the
following modules have been loaded:
* snd-usb-audio
* snd-seq
* snd-seq-midi
No additionnal setting is required.
No additional setting is required.
2.2 - Audio ports
-----------------
Audio functions of the Audiophile USB device are handled by the snd-usb-audio
module. This module can work in a default mode (without any device-specific
parameter), or in an advanced mode with the device-specific parameter called
parameter), or in an "advanced" mode with the device-specific parameter called
"device_setup".
2.2.1 - Default Alsa driver mode
The default behaviour of the snd-usb-audio driver is to parse the device
The default behavior of the snd-usb-audio driver is to parse the device
capabilities at startup and enable all functions inside the device (including
all ports at any sample rates and any sample depths supported). This approach
all ports at any supported sample rates and sample depths). This approach
has the advantage to let the driver easily switch from sample rates/depths
automatically according to the need of the application claiming the device.
@ -114,9 +113,9 @@ gain).
For people having this problem, the snd-usb-audio module has a new module
parameter called "device_setup".
2.2.2.1 - Initializing the working mode of the Audiohile USB
2.2.2.1 - Initializing the working mode of the Audiophile USB
As far as the Audiohile USB device is concerned, this value let the user
As far as the Audiophile USB device is concerned, this value let the user
specify:
* the sample depth
* the sample rate
@ -174,20 +173,20 @@ The parameter can be given:
IMPORTANT NOTE WHEN SWITCHING CONFIGURATION:
-------------------------------------------
* You may need to _first_ intialize the module with the correct device_setup
* You may need to _first_ initialize the module with the correct device_setup
parameter and _only_after_ turn on the Audiophile USB device
* This is especially true when switching the sample depth:
- first trun off the device
- de-register the snd-usb-audio module
- change the device_setup parameter (by either manually reprobing the module
or changing modprobe.conf)
- first turn off the device
- de-register the snd-usb-audio module (modprobe -r)
- change the device_setup parameter by changing the device_setup
option in /etc/modprobe.conf
- turn on the device
2.2.2.3 - Audiophile USB's device_setup structure
If you want to understand the device_setup magic numbers for the Audiophile
USB, you need some very basic understanding of binary computation. However,
this is not required to use the parameter and you may skip thi section.
this is not required to use the parameter and you may skip this section.
The device_setup is one byte long and its structure is the following:
@ -231,11 +230,11 @@ Caution:
2.2.3 - USB implementation details for this device
You may safely skip this section if you're not interrested in driver
You may safely skip this section if you're not interested in driver
development.
This section describes some internals aspect of the device and summarize the
data I got by usb-snooping the windows and linux drivers.
This section describes some internal aspects of the device and summarize the
data I got by usb-snooping the windows and Linux drivers.
The M-Audio Audiophile USB has 7 USB Interfaces:
a "USB interface":
@ -277,9 +276,9 @@ Here is a short description of the AltSettings capabilities:
- 16-bit depth, 8-48kHz sample mode
- Synch playback (Do), audio format type III IEC1937_AC-3
In order to ensure a correct intialization of the device, the driver
In order to ensure a correct initialization of the device, the driver
_must_know_ how the device will be used:
* if DTS is choosen, only Interface 2 with AltSet nb.6 must be
* if DTS is chosen, only Interface 2 with AltSet nb.6 must be
registered
* if 96KHz only AltSets nb.1 of each interface must be selected
* if samples are using 24bits/48KHz then AltSet 2 must me used if
@ -290,7 +289,7 @@ _must_know_ how the device will be used:
is not connected
When device_setup is given as a parameter to the snd-usb-audio module, the
parse_audio_enpoint function uses a quirk called
parse_audio_endpoints function uses a quirk called
"audiophile_skip_setting_quirk" in order to prevent AltSettings not
corresponding to device_setup from being registered in the driver.
@ -317,9 +316,8 @@ However you may see the following warning message:
using the "default" ALSA device. This is less efficient than it could be.
Consider using a hardware device instead rather than using the plug layer."
3.2 - Patching alsa to use direct pcm device
-------------------------------------------
--------------------------------------------
A patch for Jack by Andreas Steinmetz adds support for Big Endian devices.
However it has not been included in the CVS tree.
@ -331,3 +329,32 @@ After having applied the patch you can run jackd with the following command
line:
% jackd -R -dalsa -Phw:1,0 -r48000 -p128 -n2 -D -Chw:1,1
3.2 - Getting 2 input and/or output interfaces in Jack
------------------------------------------------------
As you can see, starting the Jack server this way will only enable 1 stereo
input (Di or Ai) and 1 stereo output (Ao or Do).
This is due to the following restrictions:
* Jack can only open one capture device and one playback device at a time
* The Audiophile USB is seen as 2 (or three) Alsa devices: hw:1,0, hw:1,1
(and optionally hw:1,2)
If you want to get Ai+Di and/or Ao+Do support with Jack, you would need to
combine the Alsa devices into one logical "complex" device.
If you want to give it a try, I recommend reading the information from
this page: http://www.sound-man.co.uk/linuxaudio/ice1712multi.html
It is related to another device (ice1712) but can be adapted to suit
the Audiophile USB.
Enabling multiple Audiophile USB interfaces for Jackd will certainly require:
* patching Jack with the previously mentioned "Big Endian" patch
* patching Jackd with the MMAP_COMPLEX patch (see the ice1712 page)
* patching the alsa-lib/src/pcm/pcm_multi.c file (see the ice1712 page)
* define a multi device (combination of hw:1,0 and hw:1,1) in your .asoundrc
file
* start jackd with this device
I had no success in testing this for now, but this may be due to my OS
configuration. If you have any success with this kind of setup, please
drop me an email.

4
Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl
View file

@ -1172,7 +1172,7 @@
}
/* PCI IDs */
static struct pci_device_id snd_mychip_ids[] = {
static struct pci_device_id snd_mychip_ids[] __devinitdata = {
{ PCI_VENDOR_ID_FOO, PCI_DEVICE_ID_BAR,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
....
@ -1565,7 +1565,7 @@
<informalexample>
<programlisting>
<![CDATA[
static struct pci_device_id snd_mychip_ids[] = {
static struct pci_device_id snd_mychip_ids[] __devinitdata = {
{ PCI_VENDOR_ID_FOO, PCI_DEVICE_ID_BAR,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
....

2
arch/arm/Kconfig
View file

@ -150,8 +150,6 @@ config ARCH_IOP3XX
config ARCH_IXP4XX
bool "IXP4xx-based"
select DMABOUNCE
select PCI
help
Support for Intel's IXP4XX (XScale) family of processors.

4
arch/arm/boot/compressed/misc.c
View file

@ -38,10 +38,10 @@ static void icedcc_putc(int ch)
if (--i < 0)
return;
asm("mrc p14, 0, %0, c0, c0, 0" : "=r" (status));
asm volatile ("mrc p14, 0, %0, c0, c0, 0" : "=r" (status));
} while (status & 2);
asm("mcr p15, 0, %0, c1, c0, 0" : : "r" (ch));
asm("mcr p14, 0, %0, c1, c0, 0" : : "r" (ch));
}
#define putc(ch) icedcc_putc(ch)

52
arch/arm/mach-imx/generic.c
View file

@ -195,56 +195,6 @@ void __init imx_set_mmc_info(struct imxmmc_platform_data *info)
}
EXPORT_SYMBOL(imx_set_mmc_info);
static struct resource imx_uart1_resources[] = {
[0] = {
.start = 0x00206000,
.end = 0x002060FF,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = (UART1_MINT_RX),
.end = (UART1_MINT_RX),
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = (UART1_MINT_TX),
.end = (UART1_MINT_TX),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device imx_uart1_device = {
.name = "imx-uart",
.id = 0,
.num_resources = ARRAY_SIZE(imx_uart1_resources),
.resource = imx_uart1_resources,
};
static struct resource imx_uart2_resources[] = {
[0] = {
.start = 0x00207000,
.end = 0x002070FF,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = (UART2_MINT_RX),
.end = (UART2_MINT_RX),
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = (UART2_MINT_TX),
.end = (UART2_MINT_TX),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device imx_uart2_device = {
.name = "imx-uart",
.id = 1,
.num_resources = ARRAY_SIZE(imx_uart2_resources),
.resource = imx_uart2_resources,
};
static struct imxfb_mach_info imx_fb_info;
void __init set_imx_fb_info(struct imxfb_mach_info *hard_imx_fb_info)
@ -283,8 +233,6 @@ static struct platform_device imxfb_device = {
static struct platform_device *devices[] __initdata = {
&imx_mmc_device,
&imxfb_device,
&imx_uart1_device,
&imx_uart2_device,
};
static struct map_desc imx_io_desc[] __initdata = {

74
arch/arm/mach-imx/mx1ads.c
View file

@ -26,6 +26,7 @@
#include <asm/mach/arch.h>
#include <asm/arch/mmc.h>
#include <asm/arch/imx-uart.h>
#include <linux/interrupt.h>
#include "generic.h"
@ -48,8 +49,70 @@ static struct platform_device cs89x0_device = {
.resource = cs89x0_resources,
};
static struct imxuart_platform_data uart_pdata = {
.flags = IMXUART_HAVE_RTSCTS,
};
static struct resource imx_uart1_resources[] = {
[0] = {
.start = 0x00206000,
.end = 0x002060FF,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = (UART1_MINT_RX),
.end = (UART1_MINT_RX),
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = (UART1_MINT_TX),
.end = (UART1_MINT_TX),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device imx_uart1_device = {
.name = "imx-uart",
.id = 0,
.num_resources = ARRAY_SIZE(imx_uart1_resources),
.resource = imx_uart1_resources,
.dev = {
.platform_data = &uart_pdata,
}
};
static struct resource imx_uart2_resources[] = {
[0] = {
.start = 0x00207000,
.end = 0x002070FF,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = (UART2_MINT_RX),
.end = (UART2_MINT_RX),
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = (UART2_MINT_TX),
.end = (UART2_MINT_TX),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device imx_uart2_device = {
.name = "imx-uart",
.id = 1,
.num_resources = ARRAY_SIZE(imx_uart2_resources),
.resource = imx_uart2_resources,
.dev = {
.platform_data = &uart_pdata,
}
};
static struct platform_device *devices[] __initdata = {
&cs89x0_device,
&imx_uart1_device,
&imx_uart2_device,
};
#ifdef CONFIG_MMC_IMX
@ -75,6 +138,17 @@ mx1ads_init(void)
imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20);
imx_set_mmc_info(&mx1ads_mmc_info);
#endif
imx_gpio_mode(PC9_PF_UART1_CTS);
imx_gpio_mode(PC10_PF_UART1_RTS);
imx_gpio_mode(PC11_PF_UART1_TXD);
imx_gpio_mode(PC12_PF_UART1_RXD);
imx_gpio_mode(PB28_PF_UART2_CTS);
imx_gpio_mode(PB29_PF_UART2_RTS);
imx_gpio_mode(PB30_PF_UART2_TXD);
imx_gpio_mode(PB31_PF_UART2_RXD);
platform_add_devices(devices, ARRAY_SIZE(devices));
}

15
arch/arm/mach-ixp4xx/Kconfig
View file

@ -11,6 +11,7 @@ comment "IXP4xx Platforms"
config MACH_NSLU2
bool
prompt "Linksys NSLU2"
select PCI
help
Say 'Y' here if you want your kernel to support Linksys's
NSLU2 NAS device. For more information on this platform,
@ -18,6 +19,7 @@ config MACH_NSLU2
config ARCH_AVILA
bool "Avila"
select PCI
help
Say 'Y' here if you want your kernel to support the Gateworks
Avila Network Platform. For more information on this platform,
@ -25,6 +27,7 @@ config ARCH_AVILA
config ARCH_ADI_COYOTE
bool "Coyote"
select PCI
help
Say 'Y' here if you want your kernel to support the ADI
Engineering Coyote Gateway Reference Platform. For more
@ -32,6 +35,7 @@ config ARCH_ADI_COYOTE
config ARCH_IXDP425
bool "IXDP425"
select PCI
help
Say 'Y' here if you want your kernel to support Intel's
IXDP425 Development Platform (Also known as Richfield).
@ -39,6 +43,7 @@ config ARCH_IXDP425
config MACH_IXDPG425
bool "IXDPG425"
select PCI
help
Say 'Y' here if you want your kernel to support Intel's
IXDPG425 Development Platform (Also known as Montajade).
@ -46,6 +51,7 @@ config MACH_IXDPG425
config MACH_IXDP465
bool "IXDP465"
select PCI
help
Say 'Y' here if you want your kernel to support Intel's
IXDP465 Development Platform (Also known as BMP).
@ -72,6 +78,7 @@ config ARCH_PRPMC1100
config MACH_NAS100D
bool
prompt "NAS100D"
select PCI
help
Say 'Y' here if you want your kernel to support Iomega's
NAS 100d device. For more information on this platform,
@ -96,6 +103,7 @@ config CPU_IXP46X
config MACH_GTWX5715
bool "Gemtek WX5715 (Linksys WRV54G)"
depends on ARCH_IXP4XX
select PCI
help
This board is currently inside the Linksys WRV54G Gateways.
@ -110,11 +118,16 @@ config MACH_GTWX5715
"High Speed" UART is n/c (as far as I can tell)
20 Pin ARM/Xscale JTAG interface on J2
comment "IXP4xx Options"
config DMABOUNCE
bool
default y
depends on PCI
config IXP4XX_INDIRECT_PCI
bool "Use indirect PCI memory access"
depends on PCI
help
IXP4xx provides two methods of accessing PCI memory space:

3
arch/arm/mach-ixp4xx/Makefile
View file

@ -2,8 +2,9 @@
# Makefile for the linux kernel.
#
obj-y += common.o common-pci.o
obj-y += common.o
obj-$(CONFIG_PCI) += common-pci.o
obj-$(CONFIG_ARCH_IXDP4XX) += ixdp425-pci.o ixdp425-setup.o
obj-$(CONFIG_MACH_IXDPG425) += ixdpg425-pci.o coyote-setup.o
obj-$(CONFIG_ARCH_ADI_COYOTE) += coyote-pci.o coyote-setup.o

4
arch/i386/Kconfig
View file

@ -467,7 +467,7 @@ endchoice
choice
depends on EXPERIMENTAL && !X86_PAE
prompt "Memory split"
prompt "Memory split" if EMBEDDED
default VMSPLIT_3G
help
Select the desired split between kernel and user memory.
@ -756,7 +756,7 @@ config PHYSICAL_START
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER && !X86_PC
depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER
---help---
Say Y here to experiment with turning CPUs off and on. CPUs
can be controlled through /sys/devices/system/cpu.

5
arch/i386/kernel/acpi/boot.c
View file

@ -215,7 +215,7 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
{
struct acpi_table_madt *madt = NULL;
if (!phys_addr || !size || !cpu_has_apic)
if (!phys_addr || !size)
return -EINVAL;
madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size);
@ -1102,9 +1102,6 @@ int __init acpi_boot_table_init(void)
dmi_check_system(acpi_dmi_table);
#endif
if (!cpu_has_apic)
return -ENODEV;
/*
* If acpi_disabled, bail out
* One exception: acpi=ht continues far enough to enumerate LAPICs

4
arch/i386/kernel/apic.c
View file

@ -757,10 +757,6 @@ static int __init apic_set_verbosity(char *str)
apic_verbosity = APIC_DEBUG;
else if (strcmp("verbose", str) == 0)
apic_verbosity = APIC_VERBOSE;
else
printk(KERN_WARNING "APIC Verbosity level %s not recognised"
" use apic=verbose or apic=debug\n", str);
return 1;
}

21
arch/i386/kernel/kprobes.c
View file

@ -242,10 +242,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
kcb->kprobe_status = KPROBE_REENTER;
return 1;
} else {
if (regs->eflags & VM_MASK) {
/* We are in virtual-8086 mode. Return 0 */
goto no_kprobe;
}
if (*addr != BREAKPOINT_INSTRUCTION) {
/* The breakpoint instruction was removed by
* another cpu right after we hit, no further
@ -265,11 +261,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
p = get_kprobe(addr);
if (!p) {
if (regs->eflags & VM_MASK) {
/* We are in virtual-8086 mode. Return 0 */
goto no_kprobe;
}
if (*addr != BREAKPOINT_INSTRUCTION) {
/*
* The breakpoint instruction was removed right
@ -452,10 +443,11 @@ static void __kprobes resume_execution(struct kprobe *p,
*tos &= ~(TF_MASK | IF_MASK);
*tos |= kcb->kprobe_old_eflags;
break;
case 0xc3: /* ret/lret */
case 0xcb:
case 0xc2:
case 0xc2: /* iret/ret/lret */
case 0xc3:
case 0xca:
case 0xcb:
case 0xcf:
case 0xea: /* jmp absolute -- eip is correct */
/* eip is already adjusted, no more changes required */
p->ainsn.boostable = 1;
@ -463,10 +455,13 @@ static void __kprobes resume_execution(struct kprobe *p,
case 0xe8: /* call relative - Fix return addr */
*tos = orig_eip + (*tos - copy_eip);
break;
case 0x9a: /* call absolute -- same as call absolute, indirect */
*tos = orig_eip + (*tos - copy_eip);
goto no_change;
case 0xff:
if ((p->ainsn.insn[1] & 0x30) == 0x10) {
/* call absolute, indirect */
/*
* call absolute, indirect
* Fix return addr; eip is correct.
* But this is not boostable
*/

7
arch/i386/kernel/ptrace.c
View file

@ -671,7 +671,7 @@ int do_syscall_trace(struct pt_regs *regs, int entryexit)
if (unlikely(current->audit_context)) {
if (entryexit)
audit_syscall_exit(current, AUDITSC_RESULT(regs->eax),
audit_syscall_exit(AUDITSC_RESULT(regs->eax),
regs->eax);
/* Debug traps, when using PTRACE_SINGLESTEP, must be sent only
* on the syscall exit path. Normally, when TIF_SYSCALL_AUDIT is
@ -720,14 +720,13 @@ int do_syscall_trace(struct pt_regs *regs, int entryexit)
ret = is_sysemu;
out:
if (unlikely(current->audit_context) && !entryexit)
audit_syscall_entry(current, AUDIT_ARCH_I386, regs->orig_eax,
audit_syscall_entry(AUDIT_ARCH_I386, regs->orig_eax,
regs->ebx, regs->ecx, regs->edx, regs->esi);
if (ret == 0)
return 0;
regs->orig_eax = -1; /* force skip of syscall restarting */
if (unlikely(current->audit_context))
audit_syscall_exit(current, AUDITSC_RESULT(regs->eax),
regs->eax);
audit_syscall_exit(AUDITSC_RESULT(regs->eax), regs->eax);
return 1;
}

4
arch/i386/kernel/setup.c
View file

@ -970,8 +970,10 @@ efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg)
* not-overlapping, which is the case
*/
int __init
e820_all_mapped(unsigned long start, unsigned long end, unsigned type)
e820_all_mapped(unsigned long s, unsigned long e, unsigned type)
{
u64 start = s;
u64 end = e;
int i;
for (i = 0; i < e820.nr_map; i++) {
struct e820entry *ei = &e820.map[i];

4
arch/i386/kernel/smpboot.c
View file

@ -313,7 +313,9 @@ static void __init synchronize_tsc_bp (void)
if (tsc_values[i] < avg)
realdelta = -realdelta;
printk(KERN_INFO "CPU#%d had %ld usecs TSC skew, fixed it up.\n", i, realdelta);
if (realdelta > 0)
printk(KERN_INFO "CPU#%d had %ld usecs TSC "
"skew, fixed it up.\n", i, realdelta);
}
sum += delta;

4
arch/i386/kernel/timers/timer_tsc.c
View file

@ -279,7 +279,7 @@ time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
{
struct cpufreq_freqs *freq = data;
if (val != CPUFREQ_RESUMECHANGE)
if (val != CPUFREQ_RESUMECHANGE && val != CPUFREQ_SUSPENDCHANGE)
write_seqlock_irq(&xtime_lock);
if (!ref_freq) {
if (!freq->old){
@ -312,7 +312,7 @@ time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
}
end:
if (val != CPUFREQ_RESUMECHANGE)
if (val != CPUFREQ_RESUMECHANGE && val != CPUFREQ_SUSPENDCHANGE)
write_sequnlock_irq(&xtime_lock);
return 0;

2
arch/i386/kernel/vm86.c
View file

@ -312,7 +312,7 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk
/*call audit_syscall_exit since we do not exit via the normal paths */
if (unlikely(current->audit_context))
audit_syscall_exit(current, AUDITSC_RESULT(eax), eax);
audit_syscall_exit(AUDITSC_RESULT(eax), eax);
__asm__ __volatile__(
"movl %0,%%esp\n\t"

4
arch/ia64/kernel/ptrace.c
View file

@ -1644,7 +1644,7 @@ syscall_trace_enter (long arg0, long arg1, long arg2, long arg3,
arch = AUDIT_ARCH_IA64;
}
audit_syscall_entry(current, arch, syscall, arg0, arg1, arg2, arg3);
audit_syscall_entry(arch, syscall, arg0, arg1, arg2, arg3);
}
}
@ -1662,7 +1662,7 @@ syscall_trace_leave (long arg0, long arg1, long arg2, long arg3,
if (success != AUDITSC_SUCCESS)
result = -result;
audit_syscall_exit(current, success, result);
audit_syscall_exit(success, result);
}
if (test_thread_flag(TIF_SYSCALL_TRACE)

4
arch/mips/kernel/ptrace.c
View file

@ -483,7 +483,7 @@ static inline int audit_arch(void)
asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
{
if (unlikely(current->audit_context) && entryexit)
audit_syscall_exit(current, AUDITSC_RESULT(regs->regs[2]),
audit_syscall_exit(AUDITSC_RESULT(regs->regs[2]),
regs->regs[2]);
if (!(current->ptrace & PT_PTRACED))
@ -507,7 +507,7 @@ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
}
out:
if (unlikely(current->audit_context) && !entryexit)
audit_syscall_entry(current, audit_arch(), regs->regs[2],
audit_syscall_entry(audit_arch(), regs->regs[2],
regs->regs[4], regs->regs[5],
regs->regs[6], regs->regs[7]);
}

14
arch/powerpc/kernel/kprobes.c
View file

@ -90,15 +90,15 @@ void __kprobes arch_remove_kprobe(struct kprobe *p)
static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
{
kprobe_opcode_t insn = *p->ainsn.insn;
regs->msr |= MSR_SE;
/* single step inline if it is a trap variant */
if (is_trap(insn))
regs->nip = (unsigned long)p->addr;
else
regs->nip = (unsigned long)p->ainsn.insn;
/*
* On powerpc we should single step on the original
* instruction even if the probed insn is a trap
* variant as values in regs could play a part in
* if the trap is taken or not
*/
regs->nip = (unsigned long)p->ainsn.insn;
}
static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)

70
arch/powerpc/kernel/prom.c
View file

@ -885,6 +885,74 @@ void __init unflatten_device_tree(void)
DBG(" <- unflatten_device_tree()\n");
}
/*
* ibm,pa-features is a per-cpu property that contains a string of
* attribute descriptors, each of which has a 2 byte header plus up
* to 254 bytes worth of processor attribute bits. First header
* byte specifies the number of bytes following the header.
* Second header byte is an "attribute-specifier" type, of which
* zero is the only currently-defined value.
* Implementation: Pass in the byte and bit offset for the feature
* that we are interested in. The function will return -1 if the
* pa-features property is missing, or a 1/0 to indicate if the feature
* is supported/not supported. Note that the bit numbers are
* big-endian to match the definition in PAPR.
*/
static struct ibm_pa_feature {
unsigned long cpu_features; /* CPU_FTR_xxx bit */
unsigned int cpu_user_ftrs; /* PPC_FEATURE_xxx bit */
unsigned char pabyte; /* byte number in ibm,pa-features */
unsigned char pabit; /* bit number (big-endian) */
unsigned char invert; /* if 1, pa bit set => clear feature */
} ibm_pa_features[] __initdata = {
{0, PPC_FEATURE_HAS_MMU, 0, 0, 0},
{0, PPC_FEATURE_HAS_FPU, 0, 1, 0},
{CPU_FTR_SLB, 0, 0, 2, 0},
{CPU_FTR_CTRL, 0, 0, 3, 0},
{CPU_FTR_NOEXECUTE, 0, 0, 6, 0},
{CPU_FTR_NODSISRALIGN, 0, 1, 1, 1},
{CPU_FTR_CI_LARGE_PAGE, 0, 1, 2, 0},
};
static void __init check_cpu_pa_features(unsigned long node)
{
unsigned char *pa_ftrs;
unsigned long len, tablelen, i, bit;
pa_ftrs = of_get_flat_dt_prop(node, "ibm,pa-features", &tablelen);
if (pa_ftrs == NULL)
return;
/* find descriptor with type == 0 */
for (;;) {
if (tablelen < 3)
return;
len = 2 + pa_ftrs[0];
if (tablelen < len)
return; /* descriptor 0 not found */
if (pa_ftrs[1] == 0)
break;
tablelen -= len;
pa_ftrs += len;
}
/* loop over bits we know about */
for (i = 0; i < ARRAY_SIZE(ibm_pa_features); ++i) {
struct ibm_pa_feature *fp = &ibm_pa_features[i];
if (fp->pabyte >= pa_ftrs[0])
continue;
bit = (pa_ftrs[2 + fp->pabyte] >> (7 - fp->pabit)) & 1;
if (bit ^ fp->invert) {
cur_cpu_spec->cpu_features |= fp->cpu_features;
cur_cpu_spec->cpu_user_features |= fp->cpu_user_ftrs;
} else {
cur_cpu_spec->cpu_features &= ~fp->cpu_features;
cur_cpu_spec->cpu_user_features &= ~fp->cpu_user_ftrs;
}
}
}
static int __init early_init_dt_scan_cpus(unsigned long node,
const char *uname, int depth,
void *data)
@ -969,6 +1037,8 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
}
#endif /* CONFIG_ALTIVEC */
check_cpu_pa_features(node);
#ifdef CONFIG_PPC_PSERIES
if (nthreads > 1)
cur_cpu_spec->cpu_features |= CPU_FTR_SMT;

5
arch/powerpc/kernel/ptrace.c
View file

@ -538,7 +538,7 @@ void do_syscall_trace_enter(struct pt_regs *regs)
do_syscall_trace();
if (unlikely(current->audit_context))
audit_syscall_entry(current,
audit_syscall_entry(
#ifdef CONFIG_PPC32
AUDIT_ARCH_PPC,
#else
@ -556,8 +556,7 @@ void do_syscall_trace_leave(struct pt_regs *regs)
#endif
if (unlikely(current->audit_context))
audit_syscall_exit(current,
(regs->ccr&0x1000)?AUDITSC_FAILURE:AUDITSC_SUCCESS,
audit_syscall_exit((regs->ccr&0x1000)?AUDITSC_FAILURE:AUDITSC_SUCCESS,
regs->result);
if ((test_thread_flag(TIF_SYSCALL_TRACE)

18
arch/powerpc/kernel/sysfs.c
View file

@ -322,13 +322,31 @@ static void register_nodes(void)
}
}
}
int sysfs_add_device_to_node(struct sys_device *dev, int nid)
{
struct node *node = &node_devices[nid];
return sysfs_create_link(&node->sysdev.kobj, &dev->kobj,
kobject_name(&dev->kobj));
}
void sysfs_remove_device_from_node(struct sys_device *dev, int nid)
{
struct node *node = &node_devices[nid];
sysfs_remove_link(&node->sysdev.kobj, kobject_name(&dev->kobj));
}
#else
static void register_nodes(void)
{
return;
}
#endif
EXPORT_SYMBOL_GPL(sysfs_add_device_to_node);
EXPORT_SYMBOL_GPL(sysfs_remove_device_from_node);
/* Only valid if CPU is present. */
static ssize_t show_physical_id(struct sys_device *dev, char *buf)
{

32
arch/powerpc/mm/numa.c
View file

@ -194,7 +194,7 @@ static int *of_get_associativity(struct device_node *dev)
/* Returns nid in the range [0..MAX_NUMNODES-1], or -1 if no useful numa
* info is found.
*/
static int of_node_to_nid(struct device_node *device)
static int of_node_to_nid_single(struct device_node *device)
{
int nid = -1;
unsigned int *tmp;
@ -216,6 +216,28 @@ static int of_node_to_nid(struct device_node *device)
return nid;
}
/* Walk the device tree upwards, looking for an associativity id */
int of_node_to_nid(struct device_node *device)
{
struct device_node *tmp;
int nid = -1;
of_node_get(device);
while (device) {
nid = of_node_to_nid_single(device);
if (nid != -1)
break;
tmp = device;
device = of_get_parent(tmp);
of_node_put(tmp);
}
of_node_put(device);
return nid;
}
EXPORT_SYMBOL_GPL(of_node_to_nid);
/*
* In theory, the "ibm,associativity" property may contain multiple
* associativity lists because a resource may be multiply connected
@ -300,7 +322,7 @@ static int __cpuinit numa_setup_cpu(unsigned long lcpu)
goto out;
}
nid = of_node_to_nid(cpu);
nid = of_node_to_nid_single(cpu);
if (nid < 0 || !node_online(nid))
nid = any_online_node(NODE_MASK_ALL);
@ -393,7 +415,7 @@ static int __init parse_numa_properties(void)
cpu = find_cpu_node(i);
BUG_ON(!cpu);
nid = of_node_to_nid(cpu);
nid = of_node_to_nid_single(cpu);
of_node_put(cpu);
/*
@ -437,7 +459,7 @@ static int __init parse_numa_properties(void)
* have associativity properties. If none, then
* everything goes to default_nid.
*/
nid = of_node_to_nid(memory);
nid = of_node_to_nid_single(memory);
if (nid < 0)
nid = default_nid;
node_set_online(nid);
@ -776,7 +798,7 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
ha_new_range:
start = read_n_cells(n_mem_addr_cells, &memcell_buf);
size = read_n_cells(n_mem_size_cells, &memcell_buf);
nid = of_node_to_nid(memory);
nid = of_node_to_nid_single(memory);
/* Domains not present at boot default to 0 */
if (nid < 0 || !node_online(nid))

3
arch/powerpc/platforms/cell/Kconfig
View file

@ -12,7 +12,8 @@ config SPU_FS
config SPUFS_MMAP
bool
depends on SPU_FS && SPARSEMEM && !PPC_64K_PAGES
depends on SPU_FS && SPARSEMEM
select MEMORY_HOTPLUG
default y
endmenu

78
arch/powerpc/platforms/cell/setup.c
View file

@ -29,6 +29,8 @@
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <linux/console.h>
#include <linux/mutex.h>
#include <linux/memory_hotplug.h>
#include <asm/mmu.h>
#include <asm/processor.h>
@ -46,6 +48,7 @@
#include <asm/cputable.h>
#include <asm/ppc-pci.h>
#include <asm/irq.h>
#include <asm/spu.h>
#include "interrupt.h"
#include "iommu.h"
@ -69,77 +72,6 @@ static void cell_show_cpuinfo(struct seq_file *m)
of_node_put(root);
}
#ifdef CONFIG_SPARSEMEM
static int __init find_spu_node_id(struct device_node *spe)
{
unsigned int *id;
#ifdef CONFIG_NUMA
struct device_node *cpu;
cpu = spe->parent->parent;
id = (unsigned int *)get_property(cpu, "node-id", NULL);
#else
id = NULL;
#endif
return id ? *id : 0;
}
static void __init cell_spuprop_present(struct device_node *spe,
const char *prop, int early)
{
struct address_prop {
unsigned long address;
unsigned int len;
} __attribute__((packed)) *p;
int proplen;
unsigned long start_pfn, end_pfn, pfn;
int node_id;
p = (void*)get_property(spe, prop, &proplen);
WARN_ON(proplen != sizeof (*p));
node_id = find_spu_node_id(spe);
start_pfn = p->address >> PAGE_SHIFT;
end_pfn = (p->address + p->len + PAGE_SIZE - 1) >> PAGE_SHIFT;
/* We need to call memory_present *before* the call to sparse_init,
but we can initialize the page structs only *after* that call.
Thus, we're being called twice. */
if (early)
memory_present(node_id, start_pfn, end_pfn);
else {
/* As the pages backing SPU LS and I/O are outside the range
of regular memory, their page structs were not initialized
by free_area_init. Do it here instead. */
for (pfn = start_pfn; pfn < end_pfn; pfn++) {
struct page *page = pfn_to_page(pfn);
set_page_links(page, ZONE_DMA, node_id, pfn);
init_page_count(page);
reset_page_mapcount(page);
SetPageReserved(page);
INIT_LIST_HEAD(&page->lru);
}
}
}
static void __init cell_spumem_init(int early)
{
struct device_node *node;
for (node = of_find_node_by_type(NULL, "spe");
node; node = of_find_node_by_type(node, "spe")) {
cell_spuprop_present(node, "local-store", early);
cell_spuprop_present(node, "problem", early);
cell_spuprop_present(node, "priv1", early);
cell_spuprop_present(node, "priv2", early);
}
}
#else
static void __init cell_spumem_init(int early)
{
}
#endif
static void cell_progress(char *s, unsigned short hex)
{
printk("*** %04x : %s\n", hex, s ? s : "");
@ -172,8 +104,6 @@ static void __init cell_setup_arch(void)
#endif
mmio_nvram_init();
cell_spumem_init(0);
}
/*
@ -189,8 +119,6 @@ static void __init cell_init_early(void)
ppc64_interrupt_controller = IC_CELL_PIC;
cell_spumem_init(1);
DBG(" <- cell_init_early()\n");
}

91
arch/powerpc/platforms/cell/spu_base.c
View file

@ -520,8 +520,50 @@ void spu_irq_setaffinity(struct spu *spu, int cpu)
}
EXPORT_SYMBOL_GPL(spu_irq_setaffinity);
static void __iomem * __init map_spe_prop(struct device_node *n,
const char *name)
static int __init find_spu_node_id(struct device_node *spe)
{
unsigned int *id;
struct device_node *cpu;
cpu = spe->parent->parent;
id = (unsigned int *)get_property(cpu, "node-id", NULL);
return id ? *id : 0;
}
static int __init cell_spuprop_present(struct spu *spu, struct device_node *spe,
const char *prop)
{
static DEFINE_MUTEX(add_spumem_mutex);
struct address_prop {
unsigned long address;
unsigned int len;
} __attribute__((packed)) *p;
int proplen;
unsigned long start_pfn, nr_pages;
struct pglist_data *pgdata;
struct zone *zone;
int ret;
p = (void*)get_property(spe, prop, &proplen);
WARN_ON(proplen != sizeof (*p));
start_pfn = p->address >> PAGE_SHIFT;
nr_pages = ((unsigned long)p->len + PAGE_SIZE - 1) >> PAGE_SHIFT;
pgdata = NODE_DATA(spu->nid);
zone = pgdata->node_zones;
/* XXX rethink locking here */
mutex_lock(&add_spumem_mutex);
ret = __add_pages(zone, start_pfn, nr_pages);
mutex_unlock(&add_spumem_mutex);
return ret;
}
static void __iomem * __init map_spe_prop(struct spu *spu,
struct device_node *n, const char *name)
{
struct address_prop {
unsigned long address;
@ -530,6 +572,8 @@ static void __iomem * __init map_spe_prop(struct device_node *n,
void *p;
int proplen;
void* ret = NULL;
int err = 0;
p = get_property(n, name, &proplen);
if (proplen != sizeof (struct address_prop))
@ -537,7 +581,14 @@ static void __iomem * __init map_spe_prop(struct device_node *n,
prop = p;
return ioremap(prop->address, prop->len);
err = cell_spuprop_present(spu, n, name);
if (err && (err != -EEXIST))
goto out;
ret = ioremap(prop->address, prop->len);
out:
return ret;
}
static void spu_unmap(struct spu *spu)
@ -548,44 +599,45 @@ static void spu_unmap(struct spu *spu)
iounmap((u8 __iomem *)spu->local_store);
}
static int __init spu_map_device(struct spu *spu, struct device_node *spe)
static int __init spu_map_device(struct spu *spu, struct device_node *node)
{
char *prop;
int ret;
ret = -ENODEV;
prop = get_property(spe, "isrc", NULL);
prop = get_property(node, "isrc", NULL);
if (!prop)
goto out;
spu->isrc = *(unsigned int *)prop;
spu->name = get_property(spe, "name", NULL);
spu->name = get_property(node, "name", NULL);
if (!spu->name)
goto out;
prop = get_property(spe, "local-store", NULL);
prop = get_property(node, "local-store", NULL);
if (!prop)
goto out;
spu->local_store_phys = *(unsigned long *)prop;
/* we use local store as ram, not io memory */
spu->local_store = (void __force *)map_spe_prop(spe, "local-store");
spu->local_store = (void __force *)
map_spe_prop(spu, node, "local-store");
if (!spu->local_store)
goto out;
prop = get_property(spe, "problem", NULL);
prop = get_property(node, "problem", NULL);
if (!prop)
goto out_unmap;
spu->problem_phys = *(unsigned long *)prop;
spu->problem= map_spe_prop(spe, "problem");
spu->problem= map_spe_prop(spu, node, "problem");
if (!spu->problem)
goto out_unmap;
spu->priv1= map_spe_prop(spe, "priv1");
spu->priv1= map_spe_prop(spu, node, "priv1");
/* priv1 is not available on a hypervisor */
spu->priv2= map_spe_prop(spe, "priv2");
spu->priv2= map_spe_prop(spu, node, "priv2");
if (!spu->priv2)
goto out_unmap;
ret = 0;
@ -597,17 +649,6 @@ static int __init spu_map_device(struct spu *spu, struct device_node *spe)
return ret;
}
static int __init find_spu_node_id(struct device_node *spe)
{
unsigned int *id;
struct device_node *cpu;
cpu = spe->parent->parent;
id = (unsigned int *)get_property(cpu, "node-id", NULL);
return id ? *id : 0;
}
static int __init create_spu(struct device_node *spe)
{
struct spu *spu;
@ -624,6 +665,10 @@ static int __init create_spu(struct device_node *spe)
goto out_free;
spu->node = find_spu_node_id(spe);
spu->nid = of_node_to_nid(spe);
if (spu->nid == -1)
spu->nid = 0;
spu->stop_code = 0;
spu->slb_replace = 0;
spu->mm = NULL;

8
arch/powerpc/platforms/pseries/eeh_event.c
View file

@ -124,7 +124,15 @@ int eeh_send_failure_event (struct device_node *dn,
{
unsigned long flags;
struct eeh_event *event;
char *location;
if (!mem_init_done) {
printk(KERN_ERR "EEH: event during early boot not handled\n");
location = (char *) get_property(dn, "ibm,loc-code", NULL);
printk(KERN_ERR "EEH: device node = %s\n", dn->full_name);
printk(KERN_ERR "EEH: PCI location = %s\n", location);
return 1;
}
event = kmalloc(sizeof(*event), GFP_ATOMIC);
if (event == NULL) {
printk (KERN_ERR "EEH: out of memory, event not handled\n");

2
arch/ppc/platforms/mpc866ads_setup.c
View file

@ -378,7 +378,7 @@ int __init mpc866ads_init(void)
ppc_sys_device_setfunc(MPC8xx_CPM_SMC1, PPC_SYS_FUNC_UART);
#endif
#ifdef CONFIG_SERIAL_CPM_SMCer
#ifdef CONFIG_SERIAL_CPM_SMC
ppc_sys_device_enable(MPC8xx_CPM_SMC2);
ppc_sys_device_setfunc(MPC8xx_CPM_SMC2, PPC_SYS_FUNC_UART);
#endif

2
arch/s390/kernel/compat_signal.c
View file

@ -430,7 +430,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
/* This is the X/Open sanctioned signal stack switching. */
if (ka->sa.sa_flags & SA_ONSTACK) {
if (! on_sig_stack(sp))
if (! sas_ss_flags(sp))
sp = current->sas_ss_sp + current->sas_ss_size;
}

42
arch/s390/kernel/compat_wrapper.S
View file

@ -1608,3 +1608,45 @@ compat_sys_ppoll_wrapper:
sys_unshare_wrapper:
llgfr %r2,%r2 # unsigned long
jg sys_unshare
.globl compat_sys_set_robust_list_wrapper
compat_sys_set_robust_list_wrapper:
llgtr %r2,%r2 # struct compat_robust_list_head *
llgfr %r3,%r3 # size_t
jg compat_sys_set_robust_list
.globl compat_sys_get_robust_list_wrapper
compat_sys_get_robust_list_wrapper:
lgfr %r2,%r2 # int
llgtr %r3,%r3 # compat_uptr_t_t *
llgtr %r4,%r4 # compat_size_t *
jg compat_sys_get_robust_list
.globl sys_splice_wrapper
sys_splice_wrapper:
lgfr %r2,%r2 # int
llgtr %r3,%r3 # loff_t *
lgfr %r4,%r4 # int
llgtr %r5,%r5 # loff_t *
llgfr %r6,%r6 # size_t
llgf %r0,164(%r15) # unsigned int
stg %r0,160(%r15)
jg sys_splice
.globl sys_sync_file_range_wrapper
sys_sync_file_range_wrapper:
lgfr %r2,%r2 # int
sllg %r3,%r3,32 # get high word of 64bit loff_t
or %r3,%r4 # get low word of 64bit loff_t
sllg %r4,%r5,32 # get high word of 64bit loff_t
or %r4,%r6 # get low word of 64bit loff_t
llgf %r5,164(%r15) # unsigned int
jg sys_sync_file_range
.globl sys_tee_wrapper
sys_tee_wrapper:
lgfr %r2,%r2 # int
lgfr %r3,%r3 # int
llgfr %r4,%r4 # size_t
llgfr %r5,%r5 # unsigned int
jg sys_tee

5
arch/s390/kernel/ptrace.c
View file

@ -734,7 +734,7 @@ asmlinkage void
syscall_trace(struct pt_regs *regs, int entryexit)
{
if (unlikely(current->audit_context) && entryexit)
audit_syscall_exit(current, AUDITSC_RESULT(regs->gprs[2]), regs->gprs[2]);
audit_syscall_exit(AUDITSC_RESULT(regs->gprs[2]), regs->gprs[2]);
if (!test_thread_flag(TIF_SYSCALL_TRACE))
goto out;
@ -761,8 +761,7 @@ syscall_trace(struct pt_regs *regs, int entryexit)
}
out:
if (unlikely(current->audit_context) && !entryexit)
audit_syscall_entry(current,
test_thread_flag(TIF_31BIT)?AUDIT_ARCH_S390:AUDIT_ARCH_S390X,
audit_syscall_entry(test_thread_flag(TIF_31BIT)?AUDIT_ARCH_S390:AUDIT_ARCH_S390X,
regs->gprs[2], regs->orig_gpr2, regs->gprs[3],
regs->gprs[4], regs->gprs[5]);
}

5
arch/s390/kernel/signal.c
View file

@ -358,8 +358,9 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
} else {
regs->gprs[14] = (unsigned long)
frame->retcode | PSW_ADDR_AMODE;
err |= __put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn,
(u16 __user *)(frame->retcode));
if (__put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn,
(u16 __user *)(frame->retcode)))
goto give_sigsegv;
}
/* Set up backchain. */

5
arch/s390/kernel/syscalls.S
View file

@ -312,3 +312,8 @@ SYSCALL(sys_faccessat,sys_faccessat,sys_faccessat_wrapper) /* 300 */
SYSCALL(sys_pselect6,sys_pselect6,compat_sys_pselect6_wrapper)
SYSCALL(sys_ppoll,sys_ppoll,compat_sys_ppoll_wrapper)
SYSCALL(sys_unshare,sys_unshare,sys_unshare_wrapper)
SYSCALL(sys_set_robust_list,sys_set_robust_list,compat_sys_set_robust_list_wrapper)
SYSCALL(sys_get_robust_list,sys_get_robust_list,compat_sys_get_robust_list_wrapper)
SYSCALL(sys_splice,sys_splice,sys_splice_wrapper)
SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper)
SYSCALL(sys_tee,sys_tee,sys_tee_wrapper)

4
arch/s390/kernel/vmlinux.lds.S
View file

@ -58,9 +58,11 @@ SECTIONS
. = ALIGN(4096);
.data.page_aligned : { *(.data.idt) }
. = ALIGN(32);
. = ALIGN(256);
.data.cacheline_aligned : { *(.data.cacheline_aligned) }
. = ALIGN(256);
.data.read_mostly : { *(.data.read_mostly) }
_edata = .; /* End of data section */
. = ALIGN(8192); /* init_task */

19
arch/s390/mm/extmem.c
View file

@ -192,6 +192,7 @@ query_segment_type (struct dcss_segment *seg)
diag_cc = dcss_diag (DCSS_SEGEXT, qin, &dummy, &vmrc);
if (diag_cc > 1) {
PRINT_WARN ("segment_type: diag returned error %ld\n", vmrc);
rc = dcss_diag_translate_rc (vmrc);
goto out_free;
}
@ -553,7 +554,7 @@ segment_save(char *name)
int endpfn = 0;
char cmd1[160];
char cmd2[80];
int i;
int i, response;
if (!MACHINE_IS_VM)
return;
@ -576,8 +577,20 @@ segment_save(char *name)
segtype_string[seg->range[i].start & 0xff]);
}
sprintf(cmd2, "SAVESEG %s", name);
cpcmd(cmd1, NULL, 0, NULL);
cpcmd(cmd2, NULL, 0, NULL);
response = 0;
cpcmd(cmd1, NULL, 0, &response);
if (response) {
PRINT_ERR("segment_save: DEFSEG failed with response code %i\n",
response);
goto out;
}
cpcmd(cmd2, NULL, 0, &response);
if (response) {
PRINT_ERR("segment_save: SAVESEG failed with response code %i\n",
response);
goto out;
}
out:
spin_unlock(&dcss_lock);
}

2
arch/sparc/kernel/systbls.S
View file

@ -23,7 +23,7 @@ sys_call_table:
/*10*/ .long sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys_mknod
/*15*/ .long sys_chmod, sys_lchown16, sparc_brk, sys_nis_syscall, sys_lseek
/*20*/ .long sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
/*25*/ .long sys_time, sys_ptrace, sys_alarm, sys_sigaltstack, sys_pause
/*25*/ .long sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_pause
/*30*/ .long sys_utime, sys_lchown, sys_fchown, sys_access, sys_nice
/*35*/ .long sys_chown, sys_sync, sys_kill, sys_newstat, sys_sendfile
/*40*/ .long sys_newlstat, sys_dup, sys_pipe, sys_times, sys_getuid

5
arch/sparc64/kernel/ptrace.c
View file

@ -653,7 +653,7 @@ asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
if (unlikely(tstate & (TSTATE_XCARRY | TSTATE_ICARRY)))
result = AUDITSC_FAILURE;
audit_syscall_exit(current, result, regs->u_regs[UREG_I0]);
audit_syscall_exit(result, regs->u_regs[UREG_I0]);
}
if (!(current->ptrace & PT_PTRACED))
@ -677,8 +677,7 @@ asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
out:
if (unlikely(current->audit_context) && !syscall_exit_p)
audit_syscall_entry(current,
(test_thread_flag(TIF_32BIT) ?
audit_syscall_entry((test_thread_flag(TIF_32BIT) ?
AUDIT_ARCH_SPARC :
AUDIT_ARCH_SPARC64),
regs->u_regs[UREG_G1],

1
arch/sparc64/kernel/sys32.S
View file

@ -139,6 +139,7 @@ SIGN3(sys32_ioprio_set, sys_ioprio_set, %o0, %o1, %o2)
SIGN2(sys32_splice, sys_splice, %o0, %o1)
SIGN2(sys32_sync_file_range, compat_sync_file_range, %o0, %o5)
SIGN2(sys32_tee, sys_tee, %o0, %o1)
SIGN1(sys32_vmsplice, compat_sys_vmsplice, %o0)
.globl sys32_mmap2
sys32_mmap2:

4
arch/sparc64/kernel/systbls.S
View file

@ -25,7 +25,7 @@ sys_call_table32:
/*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys32_chown16, sys32_mknod
/*15*/ .word sys_chmod, sys32_lchown16, sparc_brk, sys32_perfctr, sys32_lseek
/*20*/ .word sys_getpid, sys_capget, sys_capset, sys32_setuid16, sys32_getuid16
/*25*/ .word compat_sys_time, sys_ptrace, sys_alarm, sys32_sigaltstack, sys32_pause
/*25*/ .word sys32_vmsplice, sys_ptrace, sys_alarm, sys32_sigaltstack, sys32_pause
/*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice
.word sys_chown, sys_sync, sys32_kill, compat_sys_newstat, sys32_sendfile
/*40*/ .word compat_sys_newlstat, sys_dup, sys_pipe, compat_sys_times, sys_getuid
@ -94,7 +94,7 @@ sys_call_table:
/*10*/ .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod
/*15*/ .word sys_chmod, sys_lchown, sparc_brk, sys_perfctr, sys_lseek
/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid
/*25*/ .word sys_nis_syscall, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall
/*25*/ .word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall
/*30*/ .word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice
.word sys_nis_syscall, sys_sync, sys_kill, sys_newstat, sys_sendfile64
/*40*/ .word sys_newlstat, sys_dup, sys_pipe, sys_times, sys_nis_syscall

5
arch/sparc64/mm/tlb.c
View file

@ -8,6 +8,7 @@
#include <linux/percpu.h>
#include <linux/mm.h>
#include <linux/swap.h>
#include <linux/preempt.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
@ -24,6 +25,8 @@ void flush_tlb_pending(void)
{
struct mmu_gather *mp = &__get_cpu_var(mmu_gathers);
preempt_disable();
if (mp->tlb_nr) {
flush_tsb_user(mp);
@ -38,6 +41,8 @@ void flush_tlb_pending(void)
}
mp->tlb_nr = 0;
}
preempt_enable();
}
void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig)

14
arch/um/Kconfig
View file

@ -57,20 +57,6 @@ config STATIC_LINK
chroot, and you disable CONFIG_MODE_TT, you probably want to say Y
here.
config HOST_2G_2G
bool "2G/2G host address space split"
default n
depends on MODE_TT
help
This is needed when the host on which you run has a 2G/2G memory
split, instead of the customary 3G/1G.
Note that to enable such a host
configuration, which makes sense only in some cases, you need special
host patches.
So, if you do not know what to do here, say 'N'.
config KERNEL_HALF_GIGS
int "Kernel address space size (in .5G units)"
default "1"

19
arch/um/Kconfig.i386
View file

@ -16,6 +16,19 @@ config SEMAPHORE_SLEEPERS
bool
default y
config HOST_2G_2G
bool "2G/2G host address space split"
default n
help
This is needed when the host on which you run has a 2G/2G memory
split, instead of the customary 3G/1G.
Note that to enable such a host
configuration, which makes sense only in some cases, you need special
host patches.
So, if you do not know what to do here, say 'N'.
config TOP_ADDR
hex
default 0xc0000000 if !HOST_2G_2G
@ -35,11 +48,13 @@ config 3_LEVEL_PGTABLES
config STUB_CODE
hex
default 0xbfffe000
default 0xbfffe000 if !HOST_2G_2G
default 0x7fffe000 if HOST_2G_2G
config STUB_DATA
hex
default 0xbffff000
default 0xbffff000 if !HOST_2G_2G
default 0x7ffff000 if HOST_2G_2G
config STUB_START
hex

19
arch/um/Makefile
View file

@ -96,7 +96,8 @@ PHONY += linux
all: linux
linux: vmlinux
ln -f $< $@
@echo ' LINK $@'
$(Q)ln -f $< $@
define archhelp
echo '* linux - Binary kernel image (./linux) - for backward'
@ -117,6 +118,10 @@ prepare: $(ARCH_DIR)/include/kern_constants.h
LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib
CFLAGS_NO_HARDENING := $(call cc-option, -fno-PIC,) $(call cc-option, -fno-pic,) \
$(call cc-option, -fno-stack-protector,) \
$(call cc-option, -fno-stack-protector-all,)
CPP_MODE-$(CONFIG_MODE_TT) := -DMODE_TT
CONFIG_KERNEL_STACK_ORDER ?= 2
STACK_SIZE := $(shell echo $$[ 4096 * (1 << $(CONFIG_KERNEL_STACK_ORDER)) ] )
@ -203,8 +208,8 @@ endef
$(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h
$(call filechk,umlconfig)
$(ARCH_DIR)/user-offsets.s: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.c
$(CC) $(USER_CFLAGS) -S -o $@ $<
$(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE
$(Q)$(MAKE) $(build)=$(ARCH_DIR)/sys-$(SUBARCH) $@
define filechk_gen-asm-offsets
(set -e; \
@ -219,13 +224,11 @@ define filechk_gen-asm-offsets
echo ""; )
endef
$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/user-offsets.s
$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
$(call filechk,gen-asm-offsets)
CLEAN_FILES += $(ARCH_DIR)/user-offsets.s
$(ARCH_DIR)/include/kern_constants.h: $(objtree)/$(ARCH_DIR)/include
@echo ' SYMLINK $@'
$(Q) ln -sf ../../../include/asm-um/asm-offsets.h $@
$(Q)ln -sf ../../../include/asm-um/asm-offsets.h $@
export SUBARCH USER_CFLAGS OS
export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS

240
arch/um/defconfig
View file

@ -1,14 +1,13 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.12-rc6-mm1
# Tue Jun 14 18:22:21 2005
# Linux kernel version: 2.6.17-rc3
# Fri Apr 28 09:31:20 2006
#
CONFIG_GENERIC_HARDIRQS=y
CONFIG_UML=y
CONFIG_MMU=y
CONFIG_UID16=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_IRQ_RELEASE_METHOD=y
#
# UML-specific options
@ -16,8 +15,50 @@ CONFIG_GENERIC_CALIBRATE_DELAY=y
# CONFIG_MODE_TT is not set
# CONFIG_STATIC_LINK is not set
CONFIG_MODE_SKAS=y
#
# Host processor type and features
#
# CONFIG_M386 is not set
# CONFIG_M486 is not set
# CONFIG_M586 is not set
# CONFIG_M586TSC is not set
# CONFIG_M586MMX is not set
CONFIG_M686=y
# CONFIG_MPENTIUMII is not set
# CONFIG_MPENTIUMIII is not set
# CONFIG_MPENTIUMM is not set
# CONFIG_MPENTIUM4 is not set
# CONFIG_MK6 is not set
# CONFIG_MK7 is not set
# CONFIG_MK8 is not set
# CONFIG_MCRUSOE is not set
# CONFIG_MEFFICEON is not set
# CONFIG_MWINCHIPC6 is not set
# CONFIG_MWINCHIP2 is not set
# CONFIG_MWINCHIP3D is not set
# CONFIG_MGEODEGX1 is not set
# CONFIG_MGEODE_LX is not set
# CONFIG_MCYRIXIII is not set
# CONFIG_MVIAC3_2 is not set
# CONFIG_X86_GENERIC is not set
CONFIG_X86_CMPXCHG=y
CONFIG_X86_XADD=y
CONFIG_X86_L1_CACHE_SHIFT=5
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_X86_PPRO_FENCE=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
CONFIG_X86_BSWAP=y
CONFIG_X86_POPAD_OK=y
CONFIG_X86_CMPXCHG64=y
CONFIG_X86_GOOD_APIC=y
CONFIG_X86_USE_PPRO_CHECKSUM=y
CONFIG_X86_TSC=y
CONFIG_UML_X86=y
# CONFIG_64BIT is not set
CONFIG_SEMAPHORE_SLEEPERS=y
# CONFIG_HOST_2G_2G is not set
CONFIG_TOP_ADDR=0xc0000000
# CONFIG_3_LEVEL_PGTABLES is not set
CONFIG_STUB_CODE=0xbfffe000
@ -25,22 +66,24 @@ CONFIG_STUB_DATA=0xbffff000
CONFIG_STUB_START=0xbfffe000
CONFIG_ARCH_HAS_SC_SIGNALS=y
CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
# CONFIG_DISCONTIGMEM_MANUAL is not set
# CONFIG_SPARSEMEM_MANUAL is not set
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
# CONFIG_SPARSEMEM_STATIC is not set
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_LD_SCRIPT_DYN=y
CONFIG_NET=y
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=m
# CONFIG_HOSTFS is not set
# CONFIG_HPPFS is not set
CONFIG_MCONSOLE=y
# CONFIG_MAGIC_SYSRQ is not set
# CONFIG_HOST_2G_2G is not set
CONFIG_NEST_LEVEL=0
CONFIG_KERNEL_HALF_GIGS=1
# CONFIG_HIGHMEM is not set
CONFIG_KERNEL_STACK_ORDER=2
CONFIG_UML_REAL_TIME_CLOCK=y
@ -49,7 +92,6 @@ CONFIG_UML_REAL_TIME_CLOCK=y
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
CONFIG_CLEAN_COMPILE=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
@ -57,6 +99,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
# General setup
#
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
@ -64,26 +107,28 @@ CONFIG_BSD_PROCESS_ACCT=y
# CONFIG_BSD_PROCESS_ACCT_V3 is not set
CONFIG_SYSCTL=y
# CONFIG_AUDIT is not set
# CONFIG_HOTPLUG is not set
CONFIG_KOBJECT_UEVENT=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
# CONFIG_RELAY is not set
CONFIG_INITRAMFS_SOURCE=""
CONFIG_UID16=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
# CONFIG_EMBEDDED is not set
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
CONFIG_KALLSYMS_EXTRA_PASS=y
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SHMEM=y
CONFIG_CC_ALIGN_FUNCTIONS=0
CONFIG_CC_ALIGN_LABELS=0
CONFIG_CC_ALIGN_LOOPS=0
CONFIG_CC_ALIGN_JUMPS=0
CONFIG_SLAB=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
# CONFIG_SLOB is not set
#
# Loadable module support
@ -91,18 +136,43 @@ CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
CONFIG_OBSOLETE_MODPARM=y
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_KMOD=y
#
# Generic Driver Options
# Block layer
#
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
# CONFIG_FW_LOADER is not set
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_LBD is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_LSF is not set
#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
CONFIG_DEFAULT_AS=y
# CONFIG_DEFAULT_DEADLINE is not set
# CONFIG_DEFAULT_CFQ is not set
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="anticipatory"
#
# Block devices
#
CONFIG_BLK_DEV_UBD=y
# CONFIG_BLK_DEV_UBD_SYNC is not set
CONFIG_BLK_DEV_COW_COMMON=y
# CONFIG_MMAPPER is not set
CONFIG_BLK_DEV_LOOP=m
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
CONFIG_BLK_DEV_NBD=m
# CONFIG_BLK_DEV_RAM is not set
# CONFIG_BLK_DEV_INITRD is not set
# CONFIG_ATA_OVER_ETH is not set
#
# Character Devices
@ -127,50 +197,23 @@ CONFIG_UML_SOUND=m
CONFIG_SOUND=m
CONFIG_HOSTAUDIO=m
CONFIG_UML_RANDOM=y
# CONFIG_MMAPPER is not set
#
# Block devices
# Generic Driver Options
#
CONFIG_BLK_DEV_UBD=y
CONFIG_BLK_DEV_UBD_SYNC=y
CONFIG_BLK_DEV_COW_COMMON=y
CONFIG_BLK_DEV_LOOP=m
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
CONFIG_BLK_DEV_NBD=m
# CONFIG_BLK_DEV_RAM is not set
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_INITRAMFS_SOURCE=""
# CONFIG_LBD is not set
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
# CONFIG_FW_LOADER is not set
# CONFIG_DEBUG_DRIVER is not set
#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
# CONFIG_ATA_OVER_ETH is not set
CONFIG_NETDEVICES=y
#
# UML Network Devices
#
CONFIG_UML_NET=y
CONFIG_UML_NET_ETHERTAP=y
CONFIG_UML_NET_TUNTAP=y
CONFIG_UML_NET_SLIP=y
CONFIG_UML_NET_DAEMON=y
CONFIG_UML_NET_MCAST=y
CONFIG_UML_NET_SLIRP=y
#
# Networking support
# Networking
#
#
# Networking options
#
# CONFIG_NETDEBUG is not set
CONFIG_PACKET=y
CONFIG_PACKET_MMAP=y
CONFIG_UNIX=y
@ -178,6 +221,7 @@ CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_IP_MULTICAST is not set
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_FIB_HASH=y
# CONFIG_IP_PNP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
@ -186,27 +230,31 @@ CONFIG_INET=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_INET_TUNNEL is not set
CONFIG_IP_TCPDIAG=y
# CONFIG_IP_TCPDIAG_IPV6 is not set
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_BIC=y
# CONFIG_IPV6 is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
# CONFIG_NETFILTER is not set
#
# TCP congestion control
# DCCP Configuration (EXPERIMENTAL)
#
CONFIG_TCP_CONG_BIC=y
CONFIG_TCP_CONG_WESTWOOD=y
CONFIG_TCP_CONG_HTCP=y
# CONFIG_TCP_CONG_HSTCP is not set
# CONFIG_TCP_CONG_HYBLA is not set
# CONFIG_TCP_CONG_VEGAS is not set
# CONFIG_TCP_CONG_SCALABLE is not set
# CONFIG_IPV6 is not set
# CONFIG_NETFILTER is not set
# CONFIG_IP_DCCP is not set
#
# SCTP Configuration (EXPERIMENTAL)
#
# CONFIG_IP_SCTP is not set
#
# TIPC Configuration (EXPERIMENTAL)
#
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
@ -224,26 +272,46 @@ CONFIG_TCP_CONG_HTCP=y
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set
# CONFIG_NET_CLS_ROUTE is not set
#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_KGDBOE is not set
# CONFIG_NETPOLL is not set
# CONFIG_NETPOLL_RX is not set
# CONFIG_NETPOLL_TRAP is not set
# CONFIG_NET_POLL_CONTROLLER is not set
# CONFIG_HAMRADIO is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_IEEE80211 is not set
#
# UML Network Devices
#
CONFIG_UML_NET=y
CONFIG_UML_NET_ETHERTAP=y
CONFIG_UML_NET_TUNTAP=y
CONFIG_UML_NET_SLIP=y
CONFIG_UML_NET_DAEMON=y
CONFIG_UML_NET_MCAST=y
# CONFIG_UML_NET_PCAP is not set
CONFIG_UML_NET_SLIRP=y
#
# Network device support
#
CONFIG_NETDEVICES=y
CONFIG_DUMMY=m
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
CONFIG_TUN=m
#
# PHY device support
#
#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set
#
# Wan interfaces
#
@ -263,6 +331,13 @@ CONFIG_SLIP=m
# CONFIG_SLIP_MODE_SLIP6 is not set
# CONFIG_SHAPER is not set
# CONFIG_NETCONSOLE is not set
# CONFIG_NETPOLL is not set
# CONFIG_NET_POLL_CONTROLLER is not set
#
# Connector - unified userspace <-> kernelspace linker
#
# CONFIG_CONNECTOR is not set
#
# File systems
@ -274,17 +349,14 @@ CONFIG_EXT3_FS=y
# CONFIG_EXT3_FS_XATTR is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
# CONFIG_REISER4_FS is not set
CONFIG_REISERFS_FS=y
# CONFIG_REISERFS_CHECK is not set
# CONFIG_REISERFS_PROC_INFO is not set
# CONFIG_REISERFS_FS_XATTR is not set
# CONFIG_JFS_FS is not set
#
# XFS support
#
# CONFIG_FS_POSIX_ACL is not set
# CONFIG_XFS_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_ROMFS_FS is not set
CONFIG_INOTIFY=y
@ -295,11 +367,6 @@ CONFIG_QUOTACTL=y
CONFIG_DNOTIFY=y
CONFIG_AUTOFS_FS=m
CONFIG_AUTOFS4_FS=m
#
# Caches
#
# CONFIG_FSCACHE is not set
# CONFIG_FUSE_FS is not set
#
@ -323,14 +390,10 @@ CONFIG_JOLIET=y
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_SYSFS=y
# CONFIG_DEVFS_FS is not set
# CONFIG_DEVPTS_FS_XATTR is not set
CONFIG_TMPFS=y
# CONFIG_TMPFS_XATTR is not set
# CONFIG_HUGETLB_PAGE is not set
CONFIG_RAMFS=y
# CONFIG_CONFIGFS_FS is not set
# CONFIG_RELAYFS_FS is not set
#
# Miscellaneous filesystems
@ -430,6 +493,7 @@ CONFIG_NLS_DEFAULT="iso8859-1"
# Library routines
#
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
CONFIG_CRC32=m
# CONFIG_LIBCRC32C is not set
@ -448,12 +512,18 @@ CONFIG_LOG_BUF_SHIFT=14
CONFIG_DETECT_SOFTLOCKUP=y
# CONFIG_SCHEDSTATS is not set
CONFIG_DEBUG_SLAB=y
# CONFIG_DEBUG_SLAB_LEAK is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
# CONFIG_DEBUG_KOBJECT is not set
CONFIG_DEBUG_INFO=y
# CONFIG_DEBUG_FS is not set
# CONFIG_DEBUG_VM is not set
CONFIG_FRAME_POINTER=y
# CONFIG_UNWIND_INFO is not set
CONFIG_FORCED_INLINING=y
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_GPROF is not set
# CONFIG_GCOV is not set
# CONFIG_SYSCALL_DEBUG is not set

2
arch/um/drivers/cow_user.c
View file

@ -100,7 +100,7 @@ struct cow_header_v3_broken {
__u32 alignment;
__u32 cow_format;
char backing_file[PATH_LEN_V3];
} __attribute__((packed));
};
/* COW format definitions - for now, we have only the usual COW bitmap */
#define COW_BITMAP 0

93
arch/um/kernel/irq.c
View file

@ -89,16 +89,18 @@ void sigio_handler(int sig, union uml_pt_regs *regs)
struct irq_fd *irq_fd;
int n;
if(smp_sigio_handler()) return;
while(1){
if (smp_sigio_handler())
return;
while (1) {
n = os_waiting_for_events(active_fds);
if (n <= 0) {
if(n == -EINTR) continue;
else break;
}
for(irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next){
if(irq_fd->current_events != 0){
for (irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next) {
if (irq_fd->current_events != 0) {
irq_fd->current_events = 0;
do_IRQ(irq_fd->irq, regs);
}
@ -110,19 +112,17 @@ void sigio_handler(int sig, union uml_pt_regs *regs)
static void maybe_sigio_broken(int fd, int type)
{
if(os_isatty(fd)){
if((type == IRQ_WRITE) && !pty_output_sigio){
if (os_isatty(fd)) {
if ((type == IRQ_WRITE) && !pty_output_sigio) {
write_sigio_workaround();
add_sigio_fd(fd, 0);
}
else if((type == IRQ_READ) && !pty_close_sigio){
} else if ((type == IRQ_READ) && !pty_close_sigio) {
write_sigio_workaround();
add_sigio_fd(fd, 1);
}
}
}
int activate_fd(int irq, int fd, int type, void *dev_id)
{
struct pollfd *tmp_pfd;
@ -132,16 +132,18 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
pid = os_getpid();
err = os_set_fd_async(fd, pid);
if(err < 0)
if (err < 0)
goto out;
new_fd = um_kmalloc(sizeof(*new_fd));
err = -ENOMEM;
if(new_fd == NULL)
if (new_fd == NULL)
goto out;
if(type == IRQ_READ) events = UM_POLLIN | UM_POLLPRI;
else events = UM_POLLOUT;
if (type == IRQ_READ)
events = UM_POLLIN | UM_POLLPRI;
else
events = UM_POLLOUT;
*new_fd = ((struct irq_fd) { .next = NULL,
.id = dev_id,
.fd = fd,
@ -165,8 +167,8 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
* a semaphore.
*/
flags = irq_lock();
for(irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next){
if((irq_fd->fd == fd) && (irq_fd->type == type)){
for (irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next) {
if ((irq_fd->fd == fd) && (irq_fd->type == type)) {
printk("Registering fd %d twice\n", fd);
printk("Irqs : %d, %d\n", irq_fd->irq, irq);
printk("Ids : 0x%p, 0x%p\n", irq_fd->id, dev_id);
@ -175,13 +177,13 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
}
/*-------------*/
if(type == IRQ_WRITE)
if (type == IRQ_WRITE)
fd = -1;
tmp_pfd = NULL;
n = 0;
while(1){
while (1) {
n = os_create_pollfd(fd, events, tmp_pfd, n);
if (n == 0)
break;
@ -198,10 +200,8 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
* then we free the buffer tmp_fds and try again.
*/
irq_unlock(flags);
if (tmp_pfd != NULL) {
kfree(tmp_pfd);
tmp_pfd = NULL;
}
kfree(tmp_pfd);
tmp_pfd = NULL;
tmp_pfd = um_kmalloc(n);
if (tmp_pfd == NULL)
@ -249,7 +249,7 @@ static int same_irq_and_dev(struct irq_fd *irq, void *d)
{
struct irq_and_dev *data = d;
return((irq->irq == data->irq) && (irq->id == data->dev));
return ((irq->irq == data->irq) && (irq->id == data->dev));
}
void free_irq_by_irq_and_dev(unsigned int irq, void *dev)
@ -262,7 +262,7 @@ void free_irq_by_irq_and_dev(unsigned int irq, void *dev)
static int same_fd(struct irq_fd *irq, void *fd)
{
return(irq->fd == *((int *) fd));
return (irq->fd == *((int *)fd));
}
void free_irq_by_fd(int fd)
@ -276,16 +276,17 @@ static struct irq_fd *find_irq_by_fd(int fd, int irqnum, int *index_out)
int i = 0;
int fdi;
for(irq=active_fds; irq != NULL; irq = irq->next){
if((irq->fd == fd) && (irq->irq == irqnum)) break;
for (irq = active_fds; irq != NULL; irq = irq->next) {
if ((irq->fd == fd) && (irq->irq == irqnum))
break;
i++;
}
if(irq == NULL){
if (irq == NULL) {
printk("find_irq_by_fd doesn't have descriptor %d\n", fd);
goto out;
}
fdi = os_get_pollfd(i);
if((fdi != -1) && (fdi != fd)){
if ((fdi != -1) && (fdi != fd)) {
printk("find_irq_by_fd - mismatch between active_fds and "
"pollfds, fd %d vs %d, need %d\n", irq->fd,
fdi, fd);
@ -294,7 +295,7 @@ static struct irq_fd *find_irq_by_fd(int fd, int irqnum, int *index_out)
}
*index_out = i;
out:
return(irq);
return irq;
}
void reactivate_fd(int fd, int irqnum)
@ -305,7 +306,7 @@ void reactivate_fd(int fd, int irqnum)
flags = irq_lock();
irq = find_irq_by_fd(fd, irqnum, &i);
if(irq == NULL){
if (irq == NULL) {
irq_unlock(flags);
return;
}
@ -326,7 +327,7 @@ void deactivate_fd(int fd, int irqnum)
flags = irq_lock();
irq = find_irq_by_fd(fd, irqnum, &i);
if(irq == NULL)
if (irq == NULL)
goto out;
os_set_pollfd(i, -1);
out:
@ -338,15 +339,15 @@ int deactivate_all_fds(void)
struct irq_fd *irq;
int err;
for(irq=active_fds;irq != NULL;irq = irq->next){
for (irq = active_fds; irq != NULL; irq = irq->next) {
err = os_clear_fd_async(irq->fd);
if(err)
return(err);
if (err)
return err;
}
/* If there is a signal already queued, after unblocking ignore it */
os_set_ioignore();
return(0);
return 0;
}
void forward_interrupts(int pid)
@ -356,9 +357,9 @@ void forward_interrupts(int pid)
int err;
flags = irq_lock();
for(irq=active_fds;irq != NULL;irq = irq->next){
for (irq = active_fds; irq != NULL; irq = irq->next) {
err = os_set_owner(irq->fd, pid);
if(err < 0){
if (err < 0) {
/* XXX Just remove the irq rather than
* print out an infinite stream of these
*/
@ -379,7 +380,7 @@ void forward_interrupts(int pid)
unsigned int do_IRQ(int irq, union uml_pt_regs *regs)
{
irq_enter();
__do_IRQ(irq, (struct pt_regs *) regs);
__do_IRQ(irq, (struct pt_regs *)regs);
irq_exit();
return 1;
}
@ -392,12 +393,12 @@ int um_request_irq(unsigned int irq, int fd, int type,
int err;
err = request_irq(irq, handler, irqflags, devname, dev_id);
if(err)
return(err);
if (err)
return err;
if(fd != -1)
if (fd != -1)
err = activate_fd(irq, fd, type, dev_id);
return(err);
return err;
}
EXPORT_SYMBOL(um_request_irq);
EXPORT_SYMBOL(reactivate_fd);
@ -409,7 +410,7 @@ unsigned long irq_lock(void)
unsigned long flags;
spin_lock_irqsave(&irq_spinlock, flags);
return(flags);
return flags;
}
void irq_unlock(unsigned long flags)
@ -452,7 +453,7 @@ void __init init_IRQ(void)
irq_desc[TIMER_IRQ].depth = 1;
irq_desc[TIMER_IRQ].handler = &SIGVTALRM_irq_type;
enable_irq(TIMER_IRQ);
for(i=1;i<NR_IRQS;i++){
for (i = 1; i < NR_IRQS; i++) {
irq_desc[i].status = IRQ_DISABLED;
irq_desc[i].action = NULL;
irq_desc[i].depth = 1;
@ -467,7 +468,7 @@ int init_aio_irq(int irq, char *name, irqreturn_t (*handler)(int, void *,
int fds[2], err;
err = os_pipe(fds, 1, 1);
if(err){
if (err) {
printk("init_aio_irq - os_pipe failed, err = %d\n", -err);
goto out;
}
@ -475,7 +476,7 @@ int init_aio_irq(int irq, char *name, irqreturn_t (*handler)(int, void *,
err = um_request_irq(irq, fds[0], IRQ_READ, handler,
SA_INTERRUPT | SA_SAMPLE_RANDOM, name,
(void *) (long) fds[0]);
if(err){
if (err) {
printk("init_aio_irq - : um_request_irq failed, err = %d\n",
err);
goto out_close;
@ -488,5 +489,5 @@ int init_aio_irq(int irq, char *name, irqreturn_t (*handler)(int, void *,
os_close_file(fds[0]);
os_close_file(fds[1]);
out:
return(err);
return err;
}

2
arch/um/kernel/physmem.c
View file

@ -407,6 +407,8 @@ unsigned long find_iomem(char *driver, unsigned long *len_out)
*len_out = region->size;
return(region->virt);
}
region = region->next;
}
return(0);

6
arch/um/kernel/ptrace.c
View file

@ -275,15 +275,13 @@ void syscall_trace(union uml_pt_regs *regs, int entryexit)
if (unlikely(current->audit_context)) {
if (!entryexit)
audit_syscall_entry(current,
HOST_AUDIT_ARCH,
audit_syscall_entry(HOST_AUDIT_ARCH,
UPT_SYSCALL_NR(regs),
UPT_SYSCALL_ARG1(regs),
UPT_SYSCALL_ARG2(regs),
UPT_SYSCALL_ARG3(regs),
UPT_SYSCALL_ARG4(regs));
else audit_syscall_exit(current,
AUDITSC_RESULT(UPT_SYSCALL_RET(regs)),
else audit_syscall_exit(AUDITSC_RESULT(UPT_SYSCALL_RET(regs)),
UPT_SYSCALL_RET(regs));
}

10
arch/um/kernel/skas/Makefile
View file

@ -6,9 +6,11 @@
obj-y := clone.o exec_kern.o mem.o mmu.o process_kern.o \
syscall.o tlb.o uaccess.o
USER_OBJS := clone.o
# clone.o is in the stub, so it can't be built with profiling
# GCC hardened also auto-enables -fpic, but we need %ebx so it can't work ->
# disable it
CFLAGS_clone.o := $(CFLAGS_NO_HARDENING)
UNPROFILE_OBJS := clone.o
include arch/um/scripts/Makefile.rules
# clone.o is in the stub, so it can't be built with profiling
$(obj)/clone.o : c_flags = -Wp,-MD,$(depfile) $(call unprofile,$(USER_CFLAGS))

2
arch/um/kernel/time_kern.c
View file

@ -209,4 +209,4 @@ int __init timer_init(void)
return(0);
}
__initcall(timer_init);
arch_initcall(timer_init);

2
arch/um/os-Linux/file.c
View file

@ -171,7 +171,7 @@ int os_sigio_async(int master, int slave)
flags = fcntl(master, F_GETFL);
if(flags < 0)
return errno;
return -errno;
if((fcntl(master, F_SETFL, flags | O_NONBLOCK | O_ASYNC) < 0) ||
(fcntl(master, F_SETOWN, os_getpid()) < 0))

47
arch/um/os-Linux/irq.c
View file

@ -29,21 +29,21 @@ int os_waiting_for_events(struct irq_fd *active_fds)
int i, n, err;
n = poll(pollfds, pollfds_num, 0);
if(n < 0){
if (n < 0) {
err = -errno;
if(errno != EINTR)
if (errno != EINTR)
printk("sigio_handler: os_waiting_for_events:"
" poll returned %d, errno = %d\n", n, errno);
return err;
}
if(n == 0)
if (n == 0)
return 0;
irq_fd = active_fds;
for(i = 0; i < pollfds_num; i++){
if(pollfds[i].revents != 0){
for (i = 0; i < pollfds_num; i++) {
if (pollfds[i].revents != 0) {
irq_fd->current_events = pollfds[i].revents;
pollfds[i].fd = -1;
}
@ -54,7 +54,7 @@ int os_waiting_for_events(struct irq_fd *active_fds)
int os_isatty(int fd)
{
return(isatty(fd));
return isatty(fd);
}
int os_create_pollfd(int fd, int events, void *tmp_pfd, int size_tmpfds)
@ -65,7 +65,7 @@ int os_create_pollfd(int fd, int events, void *tmp_pfd, int size_tmpfds)
return((pollfds_size + 1) * sizeof(pollfds[0]));
}
if(pollfds != NULL){
if (pollfds != NULL) {
memcpy(tmp_pfd, pollfds,
sizeof(pollfds[0]) * pollfds_size);
/* remove old pollfds */
@ -73,18 +73,15 @@ int os_create_pollfd(int fd, int events, void *tmp_pfd, int size_tmpfds)
}
pollfds = tmp_pfd;
pollfds_size++;
} else {
/* remove not used tmp_pfd */
if (tmp_pfd != NULL)
kfree(tmp_pfd);
}
} else
kfree(tmp_pfd); /* remove not used tmp_pfd */
pollfds[pollfds_num] = ((struct pollfd) { .fd = fd,
.events = events,
.revents = 0 });
pollfds[pollfds_num] = ((struct pollfd) { .fd = fd,
.events = events,
.revents = 0 });
pollfds_num++;
return(0);
return 0;
}
void os_free_irq_by_cb(int (*test)(struct irq_fd *, void *), void *arg,
@ -94,11 +91,11 @@ void os_free_irq_by_cb(int (*test)(struct irq_fd *, void *), void *arg,
int i = 0;
prev = &active_fds;
while(*prev != NULL){
if((*test)(*prev, arg)){
while (*prev != NULL) {
if ((*test)(*prev, arg)) {
struct irq_fd *old_fd = *prev;
if((pollfds[i].fd != -1) &&
(pollfds[i].fd != (*prev)->fd)){
if ((pollfds[i].fd != -1) &&
(pollfds[i].fd != (*prev)->fd)) {
printk("os_free_irq_by_cb - mismatch between "
"active_fds and pollfds, fd %d vs %d\n",
(*prev)->fd, pollfds[i].fd);
@ -110,7 +107,6 @@ void os_free_irq_by_cb(int (*test)(struct irq_fd *, void *), void *arg,
/* This moves the *whole* array after pollfds[i]
* (though it doesn't spot as such)!
*/
memmove(&pollfds[i], &pollfds[i + 1],
(pollfds_num - i) * sizeof(pollfds[0]));
if(*last_irq_ptr2 == &old_fd->next)
@ -129,10 +125,9 @@ void os_free_irq_by_cb(int (*test)(struct irq_fd *, void *), void *arg,
return;
}
int os_get_pollfd(int i)
{
return(pollfds[i].fd);
return pollfds[i].fd;
}
void os_set_pollfd(int i, int fd)
@ -151,8 +146,10 @@ void init_irq_signals(int on_sigstack)
int flags;
flags = on_sigstack ? SA_ONSTACK : 0;
if(timer_irq_inited) h = (__sighandler_t) alarm_handler;
else h = boot_timer_handler;
if (timer_irq_inited)
h = (__sighandler_t)alarm_handler;
else
h = boot_timer_handler;
set_handler(SIGVTALRM, h, flags | SA_RESTART,
SIGUSR1, SIGIO, SIGWINCH, SIGALRM, -1);

30
arch/um/os-Linux/main.c
View file

@ -74,6 +74,34 @@ static void last_ditch_exit(int sig)
exit(1);
}
#define UML_LIB_PATH ":/usr/lib/uml"
static void setup_env_path(void)
{
char *new_path = NULL;
char *old_path = NULL;
int path_len = 0;
old_path = getenv("PATH");
/* if no PATH variable is set or it has an empty value
* just use the default + /usr/lib/uml
*/
if (!old_path || (path_len = strlen(old_path)) == 0) {
putenv("PATH=:/bin:/usr/bin/" UML_LIB_PATH);
return;
}
/* append /usr/lib/uml to the existing path */
path_len += strlen("PATH=" UML_LIB_PATH) + 1;
new_path = malloc(path_len);
if (!new_path) {
perror("coudn't malloc to set a new PATH");
return;
}
snprintf(new_path, path_len, "PATH=%s" UML_LIB_PATH, old_path);
putenv(new_path);
}
extern int uml_exitcode;
extern void scan_elf_aux( char **envp);
@ -114,6 +142,8 @@ int main(int argc, char **argv, char **envp)
set_stklim();
setup_env_path();
new_argv = malloc((argc + 1) * sizeof(char *));
if(new_argv == NULL){
perror("Mallocing argv");

17
arch/um/os-Linux/process.c
View file

@ -206,29 +206,36 @@ int os_drop_memory(void *addr, int length)
int can_drop_memory(void)
{
void *addr;
int fd;
int fd, ok = 0;
printk("Checking host MADV_REMOVE support...");
fd = create_mem_file(UM_KERN_PAGE_SIZE);
if(fd < 0){
printk("Creating test memory file failed, err = %d\n", -fd);
return 0;
goto out;
}
addr = mmap64(NULL, UM_KERN_PAGE_SIZE, PROT_READ | PROT_WRITE,
MAP_SHARED, fd, 0);
if(addr == MAP_FAILED){
printk("Mapping test memory file failed, err = %d\n", -errno);
return 0;
goto out_close;
}
if(madvise(addr, UM_KERN_PAGE_SIZE, MADV_REMOVE) != 0){
printk("MADV_REMOVE failed, err = %d\n", -errno);
return 0;
goto out_unmap;
}
printk("OK\n");
return 1;
ok = 1;
out_unmap:
munmap(addr, UM_KERN_PAGE_SIZE);
out_close:
close(fd);
out:
return ok;
}
void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int))

6
arch/um/os-Linux/skas/process.c
View file

@ -344,12 +344,12 @@ int copy_context_skas0(unsigned long new_stack, int pid)
err = ptrace_setregs(pid, regs);
if(err < 0)
panic("copy_context_skas0 : PTRACE_SETREGS failed, "
"pid = %d, errno = %d\n", pid, errno);
"pid = %d, errno = %d\n", pid, -err);
err = ptrace_setfpregs(pid, fp_regs);
if(err < 0)
panic("copy_context_skas0 : PTRACE_SETFPREGS failed, "
"pid = %d, errno = %d\n", pid, errno);
"pid = %d, errno = %d\n", pid, -err);
/* set a well known return code for detection of child write failure */
child_data->err = 12345678;
@ -362,7 +362,7 @@ int copy_context_skas0(unsigned long new_stack, int pid)
pid = data->err;
if(pid < 0)
panic("copy_context_skas0 - stub-parent reports error %d\n",
pid);
-pid);
/* Wait, until child has finished too: read child's result from
* child's stack and check it.

4
arch/um/os-Linux/sys-i386/registers.c
View file

@ -104,7 +104,7 @@ void init_registers(int pid)
err = ptrace(PTRACE_GETREGS, pid, 0, exec_regs);
if(err)
panic("check_ptrace : PTRACE_GETREGS failed, errno = %d",
err);
errno);
errno = 0;
err = ptrace(PTRACE_GETFPXREGS, pid, 0, exec_fpx_regs);
@ -119,7 +119,7 @@ void init_registers(int pid)
err = ptrace(PTRACE_GETFPREGS, pid, 0, exec_fp_regs);
if(err)
panic("check_ptrace : PTRACE_GETFPREGS failed, errno = %d",
err);
errno);
}
void get_safe_registers(unsigned long *regs, unsigned long *fp_regs)

4
arch/um/os-Linux/sys-x86_64/registers.c
View file

@ -62,12 +62,12 @@ void init_registers(int pid)
err = ptrace(PTRACE_GETREGS, pid, 0, exec_regs);
if(err)
panic("check_ptrace : PTRACE_GETREGS failed, errno = %d",
err);
errno);
err = ptrace(PTRACE_GETFPREGS, pid, 0, exec_fp_regs);
if(err)
panic("check_ptrace : PTRACE_GETFPREGS failed, errno = %d",
err);
errno);
}
void get_safe_registers(unsigned long *regs, unsigned long *fp_regs)

4
arch/um/os-Linux/umid.c
View file

@ -178,14 +178,14 @@ static void __init create_pid_file(void)
fd = open(file, O_RDWR | O_CREAT | O_EXCL, 0644);
if(fd < 0){
printk("Open of machine pid file \"%s\" failed: %s\n",
file, strerror(-fd));
file, strerror(errno));
return;
}
snprintf(pid, sizeof(pid), "%d\n", getpid());
n = write(fd, pid, strlen(pid));
if(n != strlen(pid))
printk("Write of pid file failed - err = %d\n", -n);
printk("Write of pid file failed - err = %d\n", errno);
close(fd);
}

7
arch/um/os-Linux/user_syms.c
View file

@ -96,6 +96,13 @@ EXPORT_SYMBOL_PROTO(getuid);
EXPORT_SYMBOL_PROTO(fsync);
EXPORT_SYMBOL_PROTO(fdatasync);
/* Export symbols used by GCC for the stack protector. */
extern void __stack_smash_handler(void *) __attribute__((weak));
EXPORT_SYMBOL(__stack_smash_handler);
extern long __guard __attribute__((weak));
EXPORT_SYMBOL(__guard);
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically

12
arch/um/scripts/Makefile.rules
View file

@ -7,11 +7,19 @@ USER_SINGLE_OBJS := \
USER_OBJS += $(filter %_user.o,$(obj-y) $(obj-m) $(USER_SINGLE_OBJS))
USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file))
$(USER_OBJS) $(USER_OBJS:.o=.i) $(USER_OBJS:.o=.s) $(USER_OBJS:.o=.lst): \
c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) $(CFLAGS_$(notdir $@))
$(USER_OBJS:.o=.%): \
c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) $(CFLAGS_$(*F).o)
$(USER_OBJS) : CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ \
-Dunix -D__unix__ -D__$(SUBARCH)__
# These are like USER_OBJS but filter USER_CFLAGS through unprofile instead of
# using it directly.
UNPROFILE_OBJS := $(foreach file,$(UNPROFILE_OBJS),$(obj)/$(file))
$(UNPROFILE_OBJS:.o=.%): \
c_flags = -Wp,-MD,$(depfile) $(call unprofile,$(USER_CFLAGS)) $(CFLAGS_$(*F).o)
$(UNPROFILE_OBJS) : CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ \
-Dunix -D__unix__ -D__$(SUBARCH)__
# The stubs and unmap.o can't try to call mcount or update basic block data
define unprofile

13
arch/um/sys-i386/Makefile
View file

@ -8,11 +8,16 @@ subarch-obj-y = lib/bitops.o kernel/semaphore.o
subarch-obj-$(CONFIG_HIGHMEM) += mm/highmem.o
subarch-obj-$(CONFIG_MODULES) += kernel/module.o
USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o stub_segv.o
USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o
include arch/um/scripts/Makefile.rules
USER_OBJS += user-offsets.s
extra-y += user-offsets.s
extra-$(CONFIG_MODE_TT) += unmap.o
$(obj)/stub_segv.o $(obj)/unmap.o: \
_c_flags = $(call unprofile,$(CFLAGS))
UNPROFILE_OBJS := stub_segv.o
CFLAGS_stub_segv.o := $(CFLAGS_NO_HARDENING)
include arch/um/scripts/Makefile.rules
$(obj)/unmap.%: _c_flags = $(call unprofile,$(CFLAGS))

13
arch/um/sys-x86_64/Makefile
View file

@ -16,11 +16,16 @@ subarch-obj-$(CONFIG_MODULES) += kernel/module.o
ldt-y = ../sys-i386/ldt.o
USER_OBJS := ptrace_user.o sigcontext.o stub_segv.o
USER_OBJS := ptrace_user.o sigcontext.o
include arch/um/scripts/Makefile.rules
USER_OBJS += user-offsets.s
extra-y += user-offsets.s
extra-$(CONFIG_MODE_TT) += unmap.o
$(obj)/stub_segv.o $(obj)/unmap.o: \
_c_flags = $(call unprofile,$(CFLAGS))
UNPROFILE_OBJS := stub_segv.o
CFLAGS_stub_segv.o := $(CFLAGS_NO_HARDENING)
include arch/um/scripts/Makefile.rules
$(obj)/unmap.%: _c_flags = $(call unprofile,$(CFLAGS))

1
arch/x86_64/ia32/ia32entry.S
View file

@ -695,4 +695,5 @@ ia32_sys_call_table:
.quad sys_splice
.quad sys_sync_file_range
.quad sys_tee
.quad compat_sys_vmsplice
ia32_syscall_end:

6
arch/x86_64/kernel/ptrace.c
View file

@ -600,12 +600,12 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs)
if (unlikely(current->audit_context)) {
if (test_thread_flag(TIF_IA32)) {
audit_syscall_entry(current, AUDIT_ARCH_I386,
audit_syscall_entry(AUDIT_ARCH_I386,
regs->orig_rax,
regs->rbx, regs->rcx,
regs->rdx, regs->rsi);
} else {
audit_syscall_entry(current, AUDIT_ARCH_X86_64,
audit_syscall_entry(AUDIT_ARCH_X86_64,
regs->orig_rax,
regs->rdi, regs->rsi,
regs->rdx, regs->r10);
@ -616,7 +616,7 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs)
asmlinkage void syscall_trace_leave(struct pt_regs *regs)
{
if (unlikely(current->audit_context))
audit_syscall_exit(current, AUDITSC_RESULT(regs->rax), regs->rax);
audit_syscall_exit(AUDITSC_RESULT(regs->rax), regs->rax);
if ((test_thread_flag(TIF_SYSCALL_TRACE)
|| test_thread_flag(TIF_SINGLESTEP))

19
arch/x86_64/kernel/setup.c
View file

@ -1426,3 +1426,22 @@ struct seq_operations cpuinfo_op = {
.show = show_cpuinfo,
};
#ifdef CONFIG_INPUT_PCSPKR
#include <linux/platform_device.h>
static __init int add_pcspkr(void)
{
struct platform_device *pd;
int ret;
pd = platform_device_alloc("pcspkr", -1);
if (!pd)
return -ENOMEM;
ret = platform_device_add(pd);
if (ret)
platform_device_put(pd);
return ret;
}
device_initcall(add_pcspkr);
#endif

8
drivers/char/genrtc.c
View file

@ -200,13 +200,13 @@ static ssize_t gen_rtc_read(struct file *file, char __user *buf,
/* first test allows optimizer to nuke this case for 32-bit machines */
if (sizeof (int) != sizeof (long) && count == sizeof (unsigned int)) {
unsigned int uidata = data;
retval = put_user(uidata, (unsigned long __user *)buf);
retval = put_user(uidata, (unsigned int __user *)buf) ?:
sizeof(unsigned int);
}
else {
retval = put_user(data, (unsigned long __user *)buf);
retval = put_user(data, (unsigned long __user *)buf) ?:
sizeof(unsigned long);
}
if (!retval)
retval = sizeof(unsigned long);
out:
current->state = TASK_RUNNING;
remove_wait_queue(&gen_rtc_wait, &wait);

38
drivers/char/keyboard.c
View file

@ -860,9 +860,32 @@ static void k_slock(struct vc_data *vc, unsigned char value, char up_flag, struc
}
/* by default, 300ms interval for combination release */
static long brl_timeout = 300;
MODULE_PARM_DESC(brl_timeout, "Braille keys release delay in ms (0 for combination on first release, < 0 for dead characters)");
module_param(brl_timeout, long, 0644);
static unsigned brl_timeout = 300;
MODULE_PARM_DESC(brl_timeout, "Braille keys release delay in ms (0 for commit on first key release)");
module_param(brl_timeout, uint, 0644);
static unsigned brl_nbchords = 1;
MODULE_PARM_DESC(brl_nbchords, "Number of chords that produce a braille pattern (0 for dead chords)");
module_param(brl_nbchords, uint, 0644);
static void k_brlcommit(struct vc_data *vc, unsigned int pattern, char up_flag, struct pt_regs *regs)
{
static unsigned long chords;
static unsigned committed;
if (!brl_nbchords)
k_deadunicode(vc, BRL_UC_ROW | pattern, up_flag, regs);
else {
committed |= pattern;
chords++;
if (chords == brl_nbchords) {
k_unicode(vc, BRL_UC_ROW | committed, up_flag, regs);
chords = 0;
committed = 0;
}
}
}
static void k_brl(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
{
static unsigned pressed,committing;
@ -882,11 +905,6 @@ static void k_brl(struct vc_data *vc, unsigned char value, char up_flag, struct
if (value > 8)
return;
if (brl_timeout < 0) {
k_deadunicode(vc, BRL_UC_ROW | (1 << (value - 1)), up_flag, regs);
return;
}
if (up_flag) {
if (brl_timeout) {
if (!committing ||
@ -897,13 +915,13 @@ static void k_brl(struct vc_data *vc, unsigned char value, char up_flag, struct
pressed &= ~(1 << (value - 1));
if (!pressed) {
if (committing) {
k_unicode(vc, BRL_UC_ROW | committing, 0, regs);
k_brlcommit(vc, committing, 0, regs);
committing = 0;
}
}
} else {
if (committing) {
k_unicode(vc, BRL_UC_ROW | committing, 0, regs);
k_brlcommit(vc, committing, 0, regs);
committing = 0;
}
pressed &= ~(1 << (value - 1));

2
drivers/char/mwave/mwavedd.c
View file

@ -271,7 +271,7 @@ static int mwave_ioctl(struct inode *inode, struct file *file,
ipcnum,
pDrvData->IPCs[ipcnum].usIntCount);
if (ipcnum > ARRAY_SIZE(pDrvData->IPCs)) {
if (ipcnum >= ARRAY_SIZE(pDrvData->IPCs)) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd::mwave_ioctl:"
" IOCTL_MW_REGISTER_IPC:"

2
drivers/char/tipar.c
View file

@ -515,7 +515,7 @@ tipar_init_module(void)
err = PTR_ERR(tipar_class);
goto out_chrdev;
}
if (parport_register_driver(&tipar_driver) || tp_count == 0) {
if (parport_register_driver(&tipar_driver)) {
printk(KERN_ERR "tipar: unable to register with parport\n");
err = -EIO;
goto out_class;

17
drivers/edac/e752x_edac.c
View file

@ -25,6 +25,8 @@
#include <linux/slab.h>
#include "edac_mc.h"
static int force_function_unhide;
#define e752x_printk(level, fmt, arg...) \
edac_printk(level, "e752x", fmt, ##arg)
@ -782,8 +784,16 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
debugf0("%s(): mci\n", __func__);
debugf0("Starting Probe1\n");
/* enable device 0 function 1 */
/* check to see if device 0 function 1 is enabled; if it isn't, we
* assume the BIOS has reserved it for a reason and is expecting
* exclusive access, we take care not to violate that assumption and
* fail the probe. */
pci_read_config_byte(pdev, E752X_DEVPRES1, &stat8);
if (!force_function_unhide && !(stat8 & (1 << 5))) {
printk(KERN_INFO "Contact your BIOS vendor to see if the "
"E752x error registers can be safely un-hidden\n");
goto fail;
}
stat8 |= (1 << 5);
pci_write_config_byte(pdev, E752X_DEVPRES1, stat8);
@ -1063,3 +1073,8 @@ module_exit(e752x_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Linux Networx (http://lnxi.com) Tom Zimmerman\n");
MODULE_DESCRIPTION("MC support for Intel e752x memory controllers");
module_param(force_function_unhide, int, 0444);
MODULE_PARM_DESC(force_function_unhide, "if BIOS sets Dev0:Fun1 up as hidden:"
" 1=force unhide and hope BIOS doesn't fight driver for Dev0:Fun1 access");

15
drivers/infiniband/hw/ipath/ipath_debug.h
View file

@ -60,11 +60,11 @@
#define __IPATH_KERNEL_SEND 0x2000 /* use kernel mode send */
#define __IPATH_EPKTDBG 0x4000 /* print ethernet packet data */
#define __IPATH_SMADBG 0x8000 /* sma packet debug */
#define __IPATH_IPATHDBG 0x10000 /* Ethernet (IPATH) general debug on */
#define __IPATH_IPATHWARN 0x20000 /* Ethernet (IPATH) warnings on */
#define __IPATH_IPATHERR 0x40000 /* Ethernet (IPATH) errors on */
#define __IPATH_IPATHPD 0x80000 /* Ethernet (IPATH) packet dump on */
#define __IPATH_IPATHTABLE 0x100000 /* Ethernet (IPATH) table dump on */
#define __IPATH_IPATHDBG 0x10000 /* Ethernet (IPATH) gen debug */
#define __IPATH_IPATHWARN 0x20000 /* Ethernet (IPATH) warnings */
#define __IPATH_IPATHERR 0x40000 /* Ethernet (IPATH) errors */
#define __IPATH_IPATHPD 0x80000 /* Ethernet (IPATH) packet dump */
#define __IPATH_IPATHTABLE 0x100000 /* Ethernet (IPATH) table dump */
#else /* _IPATH_DEBUGGING */
@ -79,11 +79,12 @@
#define __IPATH_TRSAMPLE 0x0 /* generate trace buffer sample entries */
#define __IPATH_VERBDBG 0x0 /* very verbose debug */
#define __IPATH_PKTDBG 0x0 /* print packet data */
#define __IPATH_PROCDBG 0x0 /* print process startup (init)/exit messages */
#define __IPATH_PROCDBG 0x0 /* process startup (init)/exit messages */
/* print mmap/nopage stuff, not using VDBG any more */
#define __IPATH_MMDBG 0x0
#define __IPATH_EPKTDBG 0x0 /* print ethernet packet data */
#define __IPATH_SMADBG 0x0 /* print process startup (init)/exit messages */#define __IPATH_IPATHDBG 0x0 /* Ethernet (IPATH) table dump on */
#define __IPATH_SMADBG 0x0 /* process startup (init)/exit messages */
#define __IPATH_IPATHDBG 0x0 /* Ethernet (IPATH) table dump on */
#define __IPATH_IPATHWARN 0x0 /* Ethernet (IPATH) warnings on */
#define __IPATH_IPATHERR 0x0 /* Ethernet (IPATH) errors on */
#define __IPATH_IPATHPD 0x0 /* Ethernet (IPATH) packet dump on */

3
drivers/infiniband/hw/ipath/ipath_diag.c
View file

@ -277,13 +277,14 @@ static int ipath_diag_open(struct inode *in, struct file *fp)
bail:
spin_unlock_irqrestore(&ipath_devs_lock, flags);
mutex_unlock(&ipath_mutex);
/* Only expose a way to reset the device if we
make it into diag mode. */
if (ret == 0)
ipath_expose_reset(&dd->pcidev->dev);
mutex_unlock(&ipath_mutex);
return ret;
}

18
drivers/infiniband/hw/ipath/ipath_driver.c
View file

@ -418,9 +418,19 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
ret = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
if (ret) {
dev_info(&pdev->dev, "pci_set_dma_mask unit %u "
"fails: %d\n", dd->ipath_unit, ret);
goto bail_regions;
/*
* if the 64 bit setup fails, try 32 bit. Some systems
* do not setup 64 bit maps on systems with 2GB or less
* memory installed.
*/
ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
if (ret) {
dev_info(&pdev->dev, "pci_set_dma_mask unit %u "
"fails: %d\n", dd->ipath_unit, ret);
goto bail_regions;
}
else
ipath_dbg("No 64bit DMA mask, used 32 bit mask\n");
}
pci_set_master(pdev);
@ -1949,7 +1959,7 @@ int ipath_reset_device(int unit)
}
if (dd->ipath_pd)
for (i = 1; i < dd->ipath_portcnt; i++) {
for (i = 1; i < dd->ipath_cfgports; i++) {
if (dd->ipath_pd[i] && dd->ipath_pd[i]->port_cnt) {
ipath_dbg("unit %u port %d is in use "
"(PID %u cmd %s), can't reset\n",

36
drivers/infiniband/hw/ipath/ipath_init_chip.c
View file

@ -53,13 +53,19 @@ MODULE_PARM_DESC(cfgports, "Set max number of ports to use");
/*
* Number of buffers reserved for driver (layered drivers and SMA
* send). Reserved at end of buffer list.
* send). Reserved at end of buffer list. Initialized based on
* number of PIO buffers if not set via module interface.
* The problem with this is that it's global, but we'll use different
* numbers for different chip types. So the default value is not
* very useful. I've redefined it for the 1.3 release so that it's
* zero unless set by the user to something else, in which case we
* try to respect it.
*/
static ushort ipath_kpiobufs = 32;
static ushort ipath_kpiobufs;
static int ipath_set_kpiobufs(const char *val, struct kernel_param *kp);
module_param_call(kpiobufs, ipath_set_kpiobufs, param_get_uint,
module_param_call(kpiobufs, ipath_set_kpiobufs, param_get_ushort,
&ipath_kpiobufs, S_IWUSR | S_IRUGO);
MODULE_PARM_DESC(kpiobufs, "Set number of PIO buffers for driver");
@ -531,8 +537,11 @@ static int init_housekeeping(struct ipath_devdata *dd,
* Don't clear ipath_flags as 8bit mode was set before
* entering this func. However, we do set the linkstate to
* unknown, so we can watch for a transition.
* PRESENT is set because we want register reads to work,
* and the kernel infrastructure saw it in config space;
* We clear it if we have failures.
*/
dd->ipath_flags |= IPATH_LINKUNK;
dd->ipath_flags |= IPATH_LINKUNK | IPATH_PRESENT;
dd->ipath_flags &= ~(IPATH_LINKACTIVE | IPATH_LINKARMED |
IPATH_LINKDOWN | IPATH_LINKINIT);
@ -560,6 +569,7 @@ static int init_housekeeping(struct ipath_devdata *dd,
|| (dd->ipath_uregbase & 0xffffffff) == 0xffffffff) {
ipath_dev_err(dd, "Register read failures from chip, "
"giving up initialization\n");
dd->ipath_flags &= ~IPATH_PRESENT;
ret = -ENODEV;
goto done;
}
@ -682,16 +692,14 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
*/
dd->ipath_pioavregs = ALIGN(val, sizeof(u64) * BITS_PER_BYTE / 2)
/ (sizeof(u64) * BITS_PER_BYTE / 2);
if (!ipath_kpiobufs) /* have to have at least 1, for SMA */
kpiobufs = ipath_kpiobufs = 1;
else if ((dd->ipath_piobcnt2k + dd->ipath_piobcnt4k) <
(dd->ipath_cfgports * IPATH_MIN_USER_PORT_BUFCNT)) {
dev_info(&dd->pcidev->dev, "Too few PIO buffers (%u) "
"for %u ports to have %u each!\n",
dd->ipath_piobcnt2k + dd->ipath_piobcnt4k,
dd->ipath_cfgports, IPATH_MIN_USER_PORT_BUFCNT);
kpiobufs = 1; /* reserve just the minimum for SMA/ether */
} else
if (ipath_kpiobufs == 0) {
/* not set by user, or set explictly to default */
if ((dd->ipath_piobcnt2k + dd->ipath_piobcnt4k) > 128)
kpiobufs = 32;
else
kpiobufs = 16;
}
else
kpiobufs = ipath_kpiobufs;
if (kpiobufs >

21
drivers/infiniband/hw/ipath/ipath_intr.c
View file

@ -665,14 +665,14 @@ static void handle_layer_pioavail(struct ipath_devdata *dd)
ret = __ipath_layer_intr(dd, IPATH_LAYER_INT_SEND_CONTINUE);
if (ret > 0)
goto clear;
goto set;
ret = __ipath_verbs_piobufavail(dd);
if (ret > 0)
goto clear;
goto set;
return;
clear:
set:
set_bit(IPATH_S_PIOINTBUFAVAIL, &dd->ipath_sendctrl);
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
dd->ipath_sendctrl);
@ -719,11 +719,24 @@ static void handle_rcv(struct ipath_devdata *dd, u32 istat)
irqreturn_t ipath_intr(int irq, void *data, struct pt_regs *regs)
{
struct ipath_devdata *dd = data;
u32 istat = ipath_read_kreg32(dd, dd->ipath_kregs->kr_intstatus);
u32 istat;
ipath_err_t estat = 0;
static unsigned unexpected = 0;
irqreturn_t ret;
if(!(dd->ipath_flags & IPATH_PRESENT)) {
/* this is mostly so we don't try to touch the chip while
* it is being reset */
/*
* This return value is perhaps odd, but we do not want the
* interrupt core code to remove our interrupt handler
* because we don't appear to be handling an interrupt
* during a chip reset.
*/
return IRQ_HANDLED;
}
istat = ipath_read_kreg32(dd, dd->ipath_kregs->kr_intstatus);
if (unlikely(!istat)) {
ipath_stats.sps_nullintr++;
ret = IRQ_NONE; /* not our interrupt, or already handled */

10
drivers/infiniband/hw/ipath/ipath_kernel.h
View file

@ -731,7 +731,7 @@ u64 ipath_read_kreg64_port(const struct ipath_devdata *, ipath_kreg,
static inline u32 ipath_read_ureg32(const struct ipath_devdata *dd,
ipath_ureg regno, int port)
{
if (!dd->ipath_kregbase)
if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return 0;
return readl(regno + (u64 __iomem *)
@ -762,7 +762,7 @@ static inline void ipath_write_ureg(const struct ipath_devdata *dd,
static inline u32 ipath_read_kreg32(const struct ipath_devdata *dd,
ipath_kreg regno)
{
if (!dd->ipath_kregbase)
if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return -1;
return readl((u32 __iomem *) & dd->ipath_kregbase[regno]);
}
@ -770,7 +770,7 @@ static inline u32 ipath_read_kreg32(const struct ipath_devdata *dd,
static inline u64 ipath_read_kreg64(const struct ipath_devdata *dd,
ipath_kreg regno)
{
if (!dd->ipath_kregbase)
if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return -1;
return readq(&dd->ipath_kregbase[regno]);
@ -786,7 +786,7 @@ static inline void ipath_write_kreg(const struct ipath_devdata *dd,
static inline u64 ipath_read_creg(const struct ipath_devdata *dd,
ipath_sreg regno)
{
if (!dd->ipath_kregbase)
if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return 0;
return readq(regno + (u64 __iomem *)
@ -797,7 +797,7 @@ static inline u64 ipath_read_creg(const struct ipath_devdata *dd,
static inline u32 ipath_read_creg32(const struct ipath_devdata *dd,
ipath_sreg regno)
{
if (!dd->ipath_kregbase)
if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return 0;
return readl(regno + (u64 __iomem *)
(dd->ipath_cregbase +

6
drivers/infiniband/hw/ipath/ipath_layer.c
View file

@ -46,13 +46,15 @@
/* Acquire before ipath_devs_lock. */
static DEFINE_MUTEX(ipath_layer_mutex);
static int ipath_verbs_registered;
u16 ipath_layer_rcv_opcode;
static int (*layer_intr)(void *, u32);
static int (*layer_rcv)(void *, void *, struct sk_buff *);
static int (*layer_rcv_lid)(void *, void *);
static int (*verbs_piobufavail)(void *);
static void (*verbs_rcv)(void *, void *, void *, u32);
static int ipath_verbs_registered;
static void *(*layer_add_one)(int, struct ipath_devdata *);
static void (*layer_remove_one)(void *);
@ -586,6 +588,8 @@ void ipath_verbs_unregister(void)
verbs_rcv = NULL;
verbs_timer_cb = NULL;
ipath_verbs_registered = 0;
mutex_unlock(&ipath_layer_mutex);
}

4
drivers/infiniband/hw/ipath/ipath_pe800.c
View file

@ -972,6 +972,8 @@ static int ipath_setup_pe_reset(struct ipath_devdata *dd)
/* Use ERROR so it shows up in logs, etc. */
ipath_dev_err(dd, "Resetting PE-800 unit %u\n",
dd->ipath_unit);
/* keep chip from being accessed in a few places */
dd->ipath_flags &= ~(IPATH_INITTED|IPATH_PRESENT);
val = dd->ipath_control | INFINIPATH_C_RESET;
ipath_write_kreg(dd, dd->ipath_kregs->kr_control, val);
mb();
@ -997,6 +999,8 @@ static int ipath_setup_pe_reset(struct ipath_devdata *dd)
if ((r = pci_enable_device(dd->pcidev)))
ipath_dev_err(dd, "pci_enable_device failed after "
"reset: %d\n", r);
/* whether it worked or not, mark as present, again */
dd->ipath_flags |= IPATH_PRESENT;
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_revision);
if (val == dd->ipath_revision) {
ipath_cdbg(VERBOSE, "Got matching revision "

31
drivers/infiniband/hw/ipath/ipath_registers.h
View file

@ -34,8 +34,9 @@
#define _IPATH_REGISTERS_H
/*
* This file should only be included by kernel source, and by the diags.
* It defines the registers, and their contents, for the InfiniPath HT-400 chip
* This file should only be included by kernel source, and by the diags. It
* defines the registers, and their contents, for the InfiniPath HT-400
* chip.
*/
/*
@ -156,8 +157,10 @@
#define INFINIPATH_IBCC_FLOWCTRLWATERMARK_SHIFT 8
#define INFINIPATH_IBCC_LINKINITCMD_MASK 0x3ULL
#define INFINIPATH_IBCC_LINKINITCMD_DISABLE 1
#define INFINIPATH_IBCC_LINKINITCMD_POLL 2 /* cycle through TS1/TS2 till OK */
#define INFINIPATH_IBCC_LINKINITCMD_SLEEP 3 /* wait for TS1, then go on */
/* cycle through TS1/TS2 till OK */
#define INFINIPATH_IBCC_LINKINITCMD_POLL 2
/* wait for TS1, then go on */
#define INFINIPATH_IBCC_LINKINITCMD_SLEEP 3
#define INFINIPATH_IBCC_LINKINITCMD_SHIFT 16
#define INFINIPATH_IBCC_LINKCMD_MASK 0x3ULL
#define INFINIPATH_IBCC_LINKCMD_INIT 1 /* move to 0x11 */
@ -182,7 +185,8 @@
#define INFINIPATH_IBCS_LINKSTATE_SHIFT 4
#define INFINIPATH_IBCS_TXREADY 0x40000000
#define INFINIPATH_IBCS_TXCREDITOK 0x80000000
/* link training states (shift by INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) */
/* link training states (shift by
INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) */
#define INFINIPATH_IBCS_LT_STATE_DISABLED 0x00
#define INFINIPATH_IBCS_LT_STATE_LINKUP 0x01
#define INFINIPATH_IBCS_LT_STATE_POLLACTIVE 0x02
@ -267,10 +271,12 @@
/* kr_serdesconfig0 bits */
#define INFINIPATH_SERDC0_RESET_MASK 0xfULL /* overal reset bits */
#define INFINIPATH_SERDC0_RESET_PLL 0x10000000ULL /* pll reset */
#define INFINIPATH_SERDC0_TXIDLE 0xF000ULL /* tx idle enables (per lane) */
#define INFINIPATH_SERDC0_RXDETECT_EN 0xF0000ULL /* rx detect enables (per lane) */
#define INFINIPATH_SERDC0_L1PWR_DN 0xF0ULL /* L1 Power down; use with RXDETECT,
Otherwise not used on IB side */
/* tx idle enables (per lane) */
#define INFINIPATH_SERDC0_TXIDLE 0xF000ULL
/* rx detect enables (per lane) */
#define INFINIPATH_SERDC0_RXDETECT_EN 0xF0000ULL
/* L1 Power down; use with RXDETECT, Otherwise not used on IB side */
#define INFINIPATH_SERDC0_L1PWR_DN 0xF0ULL
/* kr_xgxsconfig bits */
#define INFINIPATH_XGXS_RESET 0x7ULL
@ -390,12 +396,13 @@ struct ipath_kregs {
ipath_kreg kr_txintmemsize;
ipath_kreg kr_xgxsconfig;
ipath_kreg kr_ibpllcfg;
/* use these two (and the following N ports) only with ipath_k*_kreg64_port();
* not *kreg64() */
/* use these two (and the following N ports) only with
* ipath_k*_kreg64_port(); not *kreg64() */
ipath_kreg kr_rcvhdraddr;
ipath_kreg kr_rcvhdrtailaddr;
/* remaining registers are not present on all types of infinipath chips */
/* remaining registers are not present on all types of infinipath
chips */
ipath_kreg kr_rcvpktledcnt;
ipath_kreg kr_pcierbuftestreg0;
ipath_kreg kr_pcierbuftestreg1;

15
drivers/infiniband/hw/ipath/ipath_ruc.c
View file

@ -531,19 +531,12 @@ int ipath_post_rc_send(struct ipath_qp *qp, struct ib_send_wr *wr)
}
wqe->wr.num_sge = j;
qp->s_head = next;
/*
* Wake up the send tasklet if the QP is not waiting
* for an RNR timeout.
*/
next = qp->s_rnr_timeout;
spin_unlock_irqrestore(&qp->s_lock, flags);
if (next == 0) {
if (qp->ibqp.qp_type == IB_QPT_UC)
ipath_do_uc_send((unsigned long) qp);
else
ipath_do_rc_send((unsigned long) qp);
}
if (qp->ibqp.qp_type == IB_QPT_UC)
ipath_do_uc_send((unsigned long) qp);
else
ipath_do_rc_send((unsigned long) qp);
ret = 0;

14
drivers/infiniband/hw/ipath/ipath_sysfs.c
View file

@ -711,10 +711,22 @@ static struct attribute_group dev_attr_group = {
* enters diag mode. A device reset is quite likely to crash the
* machine entirely, so we don't want to normally make it
* available.
*
* Called with ipath_mutex held.
*/
int ipath_expose_reset(struct device *dev)
{
return device_create_file(dev, &dev_attr_reset);
static int exposed;
int ret;
if (!exposed) {
ret = device_create_file(dev, &dev_attr_reset);
exposed = 1;
}
else
ret = 0;
return ret;
}
int ipath_driver_create_group(struct device_driver *drv)

6
drivers/infiniband/hw/ipath/ipath_ud.c
View file

@ -46,8 +46,10 @@
* This is called from ipath_post_ud_send() to forward a WQE addressed
* to the same HCA.
*/
static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_sge_state *ss,
u32 length, struct ib_send_wr *wr, struct ib_wc *wc)
static void ipath_ud_loopback(struct ipath_qp *sqp,
struct ipath_sge_state *ss,
u32 length, struct ib_send_wr *wr,
struct ib_wc *wc)
{
struct ipath_ibdev *dev = to_idev(sqp->ibqp.device);
struct ipath_qp *qp;

39
drivers/infiniband/hw/ipath/ipath_verbs.c
View file

@ -449,7 +449,6 @@ static void ipath_ib_timer(void *arg)
{
struct ipath_ibdev *dev = (struct ipath_ibdev *) arg;
struct ipath_qp *resend = NULL;
struct ipath_qp *rnr = NULL;
struct list_head *last;
struct ipath_qp *qp;
unsigned long flags;
@ -465,32 +464,18 @@ static void ipath_ib_timer(void *arg)
last = &dev->pending[dev->pending_index];
while (!list_empty(last)) {
qp = list_entry(last->next, struct ipath_qp, timerwait);
if (last->next == LIST_POISON1 ||
last->next != &qp->timerwait ||
qp->timerwait.prev != last) {
INIT_LIST_HEAD(last);
} else {
list_del(&qp->timerwait);
qp->timerwait.prev = (struct list_head *) resend;
resend = qp;
atomic_inc(&qp->refcount);
}
list_del(&qp->timerwait);
qp->timer_next = resend;
resend = qp;
atomic_inc(&qp->refcount);
}
last = &dev->rnrwait;
if (!list_empty(last)) {
qp = list_entry(last->next, struct ipath_qp, timerwait);
if (--qp->s_rnr_timeout == 0) {
do {
if (last->next == LIST_POISON1 ||
last->next != &qp->timerwait ||
qp->timerwait.prev != last) {
INIT_LIST_HEAD(last);
break;
}
list_del(&qp->timerwait);
qp->timerwait.prev =
(struct list_head *) rnr;
rnr = qp;
tasklet_hi_schedule(&qp->s_task);
if (list_empty(last))
break;
qp = list_entry(last->next, struct ipath_qp,
@ -530,8 +515,7 @@ static void ipath_ib_timer(void *arg)
spin_unlock_irqrestore(&dev->pending_lock, flags);
/* XXX What if timer fires again while this is running? */
for (qp = resend; qp != NULL;
qp = (struct ipath_qp *) qp->timerwait.prev) {
for (qp = resend; qp != NULL; qp = qp->timer_next) {
struct ib_wc wc;
spin_lock_irqsave(&qp->s_lock, flags);
@ -545,9 +529,6 @@ static void ipath_ib_timer(void *arg)
if (atomic_dec_and_test(&qp->refcount))
wake_up(&qp->wait);
}
for (qp = rnr; qp != NULL;
qp = (struct ipath_qp *) qp->timerwait.prev)
tasklet_hi_schedule(&qp->s_task);
}
/**
@ -556,9 +537,9 @@ static void ipath_ib_timer(void *arg)
*
* This is called from ipath_intr() at interrupt level when a PIO buffer is
* available after ipath_verbs_send() returned an error that no buffers were
* available. Return 0 if we consumed all the PIO buffers and we still have
* available. Return 1 if we consumed all the PIO buffers and we still have
* QPs waiting for buffers (for now, just do a tasklet_hi_schedule and
* return one).
* return zero).
*/
static int ipath_ib_piobufavail(void *arg)
{
@ -579,7 +560,7 @@ static int ipath_ib_piobufavail(void *arg)
spin_unlock_irqrestore(&dev->pending_lock, flags);
bail:
return 1;
return 0;
}
static int ipath_query_device(struct ib_device *ibdev,
@ -1159,7 +1140,7 @@ static ssize_t show_stats(struct class_device *cdev, char *buf)
len = sprintf(buf,
"RC resends %d\n"
"RC QACKs %d\n"
"RC no QACK %d\n"
"RC ACKs %d\n"
"RC SEQ NAKs %d\n"
"RC RDMA seq %d\n"

3
drivers/infiniband/hw/ipath/ipath_verbs.h
View file

@ -282,7 +282,8 @@ struct ipath_srq {
*/
struct ipath_qp {
struct ib_qp ibqp;
struct ipath_qp *next; /* link list for QPN hash table */
struct ipath_qp *next; /* link list for QPN hash table */
struct ipath_qp *timer_next; /* link list for ipath_ib_timer() */
struct list_head piowait; /* link for wait PIO buf */
struct list_head timerwait; /* link for waiting for timeouts */
struct ib_ah_attr remote_ah_attr;

2
drivers/infiniband/hw/ipath/ips_common.h
View file

@ -95,7 +95,7 @@ struct ether_header {
__u8 seq_num;
__le32 len;
/* MUST be of word size due to PIO write requirements */
__u32 csum;
__le32 csum;
__le16 csum_offset;
__le16 flags;
__u16 first_2_bytes;

2
drivers/infiniband/hw/mthca/mthca_provider.c
View file

@ -306,7 +306,7 @@ static int mthca_query_gid(struct ib_device *ibdev, u8 port,
goto out;
}
memcpy(gid->raw + 8, out_mad->data + (index % 8) * 16, 8);
memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
out:
kfree(in_mad);

21
drivers/input/evdev.c
View file

@ -403,6 +403,27 @@ static long evdev_ioctl_handler(struct file *file, unsigned int cmd,
case EVIOCGID:
if (copy_to_user(p, &dev->id, sizeof(struct input_id)))
return -EFAULT;
return 0;
case EVIOCGREP:
if (!test_bit(EV_REP, dev->evbit))
return -ENOSYS;
if (put_user(dev->rep[REP_DELAY], ip))
return -EFAULT;
if (put_user(dev->rep[REP_PERIOD], ip + 1))
return -EFAULT;
return 0;
case EVIOCSREP:
if (!test_bit(EV_REP, dev->evbit))
return -ENOSYS;
if (get_user(u, ip))
return -EFAULT;
if (get_user(v, ip + 1))
return -EFAULT;
input_event(dev, EV_REP, REP_DELAY, u);
input_event(dev, EV_REP, REP_PERIOD, v);
return 0;

11
drivers/input/input.c
View file

@ -155,6 +155,9 @@ void input_event(struct input_dev *dev, unsigned int type, unsigned int code, in
if (code > SND_MAX || !test_bit(code, dev->sndbit))
return;
if (!!test_bit(code, dev->snd) != !!value)
change_bit(code, dev->snd);
if (dev->event) dev->event(dev, type, code, value);
break;
@ -286,19 +289,19 @@ static struct input_device_id *input_match_device(struct input_device_id *id, st
for (; id->flags || id->driver_info; id++) {
if (id->flags & INPUT_DEVICE_ID_MATCH_BUS)
if (id->id.bustype != dev->id.bustype)
if (id->bustype != dev->id.bustype)
continue;
if (id->flags & INPUT_DEVICE_ID_MATCH_VENDOR)
if (id->id.vendor != dev->id.vendor)
if (id->vendor != dev->id.vendor)
continue;
if (id->flags & INPUT_DEVICE_ID_MATCH_PRODUCT)
if (id->id.product != dev->id.product)
if (id->product != dev->id.product)
continue;
if (id->flags & INPUT_DEVICE_ID_MATCH_VERSION)
if (id->id.version != dev->id.version)
if (id->version != dev->id.version)
continue;
MATCH_BIT(evbit, EV_MAX);

4
drivers/input/keyboard/spitzkbd.c
View file

@ -53,8 +53,8 @@ static unsigned char spitzkbd_keycode[NR_SCANCODES] = {
KEY_LEFTCTRL, KEY_1, KEY_3, KEY_5, KEY_6, KEY_7, KEY_9, KEY_0, KEY_BACKSPACE, SPITZ_KEY_EXOK, SPITZ_KEY_EXCANCEL, 0, 0, 0, 0, 0, /* 1-16 */
0, KEY_2, KEY_4, KEY_R, KEY_Y, KEY_8, KEY_I, KEY_O, KEY_P, SPITZ_KEY_EXJOGDOWN, SPITZ_KEY_EXJOGUP, 0, 0, 0, 0, 0, /* 17-32 */
KEY_TAB, KEY_Q, KEY_E, KEY_T, KEY_G, KEY_U, KEY_J, KEY_K, 0, 0, 0, 0, 0, 0, 0, 0, /* 33-48 */
SPITZ_KEY_CALENDER, KEY_W, KEY_S, KEY_F, KEY_V, KEY_H, KEY_M, KEY_L, 0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, 0, /* 49-64 */
SPITZ_KEY_ADDRESS, KEY_A, KEY_D, KEY_C, KEY_B, KEY_N, KEY_DOT, 0, KEY_ENTER, KEY_LEFTSHIFT, 0, 0, 0, 0, 0, 0, /* 65-80 */
SPITZ_KEY_ADDRESS, KEY_W, KEY_S, KEY_F, KEY_V, KEY_H, KEY_M, KEY_L, 0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, 0, /* 49-64 */
SPITZ_KEY_CALENDER, KEY_A, KEY_D, KEY_C, KEY_B, KEY_N, KEY_DOT, 0, KEY_ENTER, KEY_LEFTSHIFT, 0, 0, 0, 0, 0, 0, /* 65-80 */
SPITZ_KEY_MAIL, KEY_Z, KEY_X, KEY_MINUS, KEY_SPACE, KEY_COMMA, 0, KEY_UP, 0, 0, SPITZ_KEY_FN, 0, 0, 0, 0, 0, /* 81-96 */
KEY_SYSRQ, SPITZ_KEY_JAP1, SPITZ_KEY_JAP2, SPITZ_KEY_CANCEL, SPITZ_KEY_OK, SPITZ_KEY_MENU, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0, 0, 0, 0, 0 /* 97-112 */
};

30
drivers/input/misc/wistron_btns.c
View file

@ -273,6 +273,18 @@ static struct key_entry keymap_fs_amilo_pro_v2000[] = {
{ KE_END, 0 }
};
static struct key_entry keymap_fujitsu_n3510[] = {
{ KE_KEY, 0x11, KEY_PROG1 },
{ KE_KEY, 0x12, KEY_PROG2 },
{ KE_KEY, 0x36, KEY_WWW },
{ KE_KEY, 0x31, KEY_MAIL },
{ KE_KEY, 0x71, KEY_STOPCD },
{ KE_KEY, 0x72, KEY_PLAYPAUSE },
{ KE_KEY, 0x74, KEY_REWIND },
{ KE_KEY, 0x78, KEY_FORWARD },
{ KE_END, 0 }
};
static struct key_entry keymap_wistron_ms2141[] = {
{ KE_KEY, 0x11, KEY_PROG1 },
{ KE_KEY, 0x12, KEY_PROG2 },
@ -321,6 +333,24 @@ static struct dmi_system_id dmi_ids[] = {
},
.driver_data = keymap_fs_amilo_pro_v2000
},
{
.callback = dmi_matched,
.ident = "Fujitsu-Siemens Amilo M7400",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
DMI_MATCH(DMI_PRODUCT_NAME, "AMILO M "),
},
.driver_data = keymap_fs_amilo_pro_v2000
},
{
.callback = dmi_matched,
.ident = "Fujitsu N3510",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
DMI_MATCH(DMI_PRODUCT_NAME, "N3510"),
},
.driver_data = keymap_fujitsu_n3510
},
{
.callback = dmi_matched,
.ident = "Acer Aspire 1500",

4
drivers/input/mouse/psmouse-base.c
View file

@ -302,8 +302,10 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
* Check if this is a new device announcement (0xAA 0x00)
*/
if (unlikely(psmouse->packet[0] == PSMOUSE_RET_BAT && psmouse->pktcnt <= 2)) {
if (psmouse->pktcnt == 1)
if (psmouse->pktcnt == 1) {
psmouse->last = jiffies;
goto out;
}
if (psmouse->packet[1] == PSMOUSE_RET_ID) {
__psmouse_set_state(psmouse, PSMOUSE_IGNORE);

452
drivers/input/touchscreen/ads7846.c
View file

@ -2,6 +2,8 @@
* ADS7846 based touchscreen and sensor driver
*
* Copyright (c) 2005 David Brownell
* Copyright (c) 2006 Nokia Corporation
* Various changes: Imre Deak <imre.deak@nokia.com>
*
* Using code from:
* - corgi_ts.c
@ -34,17 +36,25 @@
/*
* This code has been lightly tested on an ads7846.
* This code has been tested on an ads7846 / N770 device.
* Support for ads7843 and ads7845 has only been stubbed in.
*
* Not yet done: investigate the values reported. Are x/y/pressure
* event values sane enough for X11? How accurate are the temperature
* and voltage readings? (System-specific calibration should support
* Not yet done: How accurate are the temperature and voltage
* readings? (System-specific calibration should support
* accuracy of 0.3 degrees C; otherwise it's 2.0 degrees.)
*
* IRQ handling needs a workaround because of a shortcoming in handling
* edge triggered IRQs on some platforms like the OMAP1/2. These
* platforms don't handle the ARM lazy IRQ disabling properly, thus we
* have to maintain our own SW IRQ disabled status. This should be
* removed as soon as the affected platform's IRQ handling is fixed.
*
* app note sbaa036 talks in more detail about accurate sampling...
* that ought to help in situations like LCDs inducing noise (which
* can also be helped by using synch signals) and more generally.
* This driver tries to utilize the measures described in the app
* note. The strength of filtering can be set in the board-* specific
* files.
*/
#define TS_POLL_PERIOD msecs_to_jiffies(10)
@ -61,6 +71,7 @@ struct ts_event {
__be16 x;
__be16 y;
__be16 z1, z2;
int ignore;
};
struct ads7846 {
@ -71,12 +82,23 @@ struct ads7846 {
u16 model;
u16 vref_delay_usecs;
u16 x_plate_ohms;
u16 pressure_max;
u8 read_x, read_y, read_z1, read_z2;
u8 read_x, read_y, read_z1, read_z2, pwrdown;
u16 dummy; /* for the pwrdown read */
struct ts_event tc;
struct spi_transfer xfer[8];
struct spi_message msg;
struct spi_transfer xfer[10];
struct spi_message msg[5];
struct spi_message *last_msg;
int msg_idx;
int read_cnt;
int read_rep;
int last_read;
u16 debounce_max;
u16 debounce_tol;
u16 debounce_rep;
spinlock_t lock;
struct timer_list timer; /* P: lock */
@ -84,6 +106,9 @@ struct ads7846 {
unsigned pending:1; /* P: lock */
// FIXME remove "irq_disabled"
unsigned irq_disabled:1; /* P: lock */
unsigned disabled:1;
int (*get_pendown_state)(void);
};
/* leave chip selected when we're done, for quicker re-select? */
@ -125,7 +150,9 @@ struct ads7846 {
#define READ_Y (READ_12BIT_DFR(y) | ADS_PD10_ADC_ON)
#define READ_Z1 (READ_12BIT_DFR(z1) | ADS_PD10_ADC_ON)
#define READ_Z2 (READ_12BIT_DFR(z2) | ADS_PD10_ADC_ON)
#define READ_X (READ_12BIT_DFR(x) | ADS_PD10_PDOWN) /* LAST */
#define READ_X (READ_12BIT_DFR(x) | ADS_PD10_ADC_ON)
#define PWRDOWN (READ_12BIT_DFR(y) | ADS_PD10_PDOWN) /* LAST */
/* single-ended samples need to first power up reference voltage;
* we leave both ADC and VREF powered
@ -152,6 +179,15 @@ struct ser_req {
struct spi_transfer xfer[6];
};
static void ads7846_enable(struct ads7846 *ts);
static void ads7846_disable(struct ads7846 *ts);
static int device_suspended(struct device *dev)
{
struct ads7846 *ts = dev_get_drvdata(dev);
return dev->power.power_state.event != PM_EVENT_ON || ts->disabled;
}
static int ads7846_read12_ser(struct device *dev, unsigned command)
{
struct spi_device *spi = to_spi_device(dev);
@ -164,7 +200,7 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
if (!req)
return -ENOMEM;
INIT_LIST_HEAD(&req->msg.transfers);
spi_message_init(&req->msg);
/* activate reference, so it has time to settle; */
req->ref_on = REF_ON;
@ -204,8 +240,10 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
for (i = 0; i < 6; i++)
spi_message_add_tail(&req->xfer[i], &req->msg);
ts->irq_disabled = 1;
disable_irq(spi->irq);
status = spi_sync(spi, &req->msg);
ts->irq_disabled = 0;
enable_irq(spi->irq);
if (req->msg.status)
@ -233,6 +271,52 @@ SHOW(temp1)
SHOW(vaux)
SHOW(vbatt)
static int is_pen_down(struct device *dev)
{
struct ads7846 *ts = dev_get_drvdata(dev);
return ts->pendown;
}
static ssize_t ads7846_pen_down_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%u\n", is_pen_down(dev));
}
static DEVICE_ATTR(pen_down, S_IRUGO, ads7846_pen_down_show, NULL);
static ssize_t ads7846_disable_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct ads7846 *ts = dev_get_drvdata(dev);
return sprintf(buf, "%u\n", ts->disabled);
}
static ssize_t ads7846_disable_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct ads7846 *ts = dev_get_drvdata(dev);
char *endp;
int i;
i = simple_strtoul(buf, &endp, 10);
spin_lock_irq(&ts->lock);
if (i)
ads7846_disable(ts);
else
ads7846_enable(ts);
spin_unlock_irq(&ts->lock);
return count;
}
static DEVICE_ATTR(disable, 0664, ads7846_disable_show, ads7846_disable_store);
/*--------------------------------------------------------------------------*/
/*
@ -264,7 +348,7 @@ static void ads7846_rx(void *ads)
if (x == MAX_12BIT)
x = 0;
if (x && z1 && ts->spi->dev.power.power_state.event == PM_EVENT_ON) {
if (likely(x && z1 && !device_suspended(&ts->spi->dev))) {
/* compute touch pressure resistance using equation #2 */
Rt = z2;
Rt -= z1;
@ -275,6 +359,14 @@ static void ads7846_rx(void *ads)
} else
Rt = 0;
/* Sample found inconsistent by debouncing or pressure is beyond
* the maximum. Don't report it to user space, repeat at least
* once more the measurement */
if (ts->tc.ignore || Rt > ts->pressure_max) {
mod_timer(&ts->timer, jiffies + TS_POLL_PERIOD);
return;
}
/* NOTE: "pendown" is inferred from pressure; we don't rely on
* being able to check nPENIRQ status, or "friendly" trigger modes
* (both-edges is much better than just-falling or low-level).
@ -296,11 +388,13 @@ static void ads7846_rx(void *ads)
if (Rt) {
input_report_abs(input_dev, ABS_X, x);
input_report_abs(input_dev, ABS_Y, y);
input_report_abs(input_dev, ABS_PRESSURE, Rt);
sync = 1;
}
if (sync)
if (sync) {
input_report_abs(input_dev, ABS_PRESSURE, Rt);
input_sync(input_dev);
}
#ifdef VERBOSE
if (Rt || ts->pendown)
@ -308,80 +402,138 @@ static void ads7846_rx(void *ads)
x, y, Rt, Rt ? "" : " UP");
#endif
/* don't retrigger while we're suspended */
spin_lock_irqsave(&ts->lock, flags);
ts->pendown = (Rt != 0);
ts->pending = 0;
if (ts->spi->dev.power.power_state.event == PM_EVENT_ON) {
if (ts->pendown)
mod_timer(&ts->timer, jiffies + TS_POLL_PERIOD);
else if (ts->irq_disabled) {
ts->irq_disabled = 0;
enable_irq(ts->spi->irq);
}
}
mod_timer(&ts->timer, jiffies + TS_POLL_PERIOD);
spin_unlock_irqrestore(&ts->lock, flags);
}
static void ads7846_debounce(void *ads)
{
struct ads7846 *ts = ads;
struct spi_message *m;
struct spi_transfer *t;
int val;
int status;
m = &ts->msg[ts->msg_idx];
t = list_entry(m->transfers.prev, struct spi_transfer, transfer_list);
val = (*(u16 *)t->rx_buf) >> 3;
if (!ts->read_cnt || (abs(ts->last_read - val) > ts->debounce_tol)) {
/* Repeat it, if this was the first read or the read
* wasn't consistent enough. */
if (ts->read_cnt < ts->debounce_max) {
ts->last_read = val;
ts->read_cnt++;
} else {
/* Maximum number of debouncing reached and still
* not enough number of consistent readings. Abort
* the whole sample, repeat it in the next sampling
* period.
*/
ts->tc.ignore = 1;
ts->read_cnt = 0;
/* Last message will contain ads7846_rx() as the
* completion function.
*/
m = ts->last_msg;
}
/* Start over collecting consistent readings. */
ts->read_rep = 0;
} else {
if (++ts->read_rep > ts->debounce_rep) {
/* Got a good reading for this coordinate,
* go for the next one. */
ts->tc.ignore = 0;
ts->msg_idx++;
ts->read_cnt = 0;
ts->read_rep = 0;
m++;
} else
/* Read more values that are consistent. */
ts->read_cnt++;
}
status = spi_async(ts->spi, m);
if (status)
dev_err(&ts->spi->dev, "spi_async --> %d\n",
status);
}
static void ads7846_timer(unsigned long handle)
{
struct ads7846 *ts = (void *)handle;
int status = 0;
unsigned long flags;
spin_lock_irqsave(&ts->lock, flags);
if (!ts->pending) {
ts->pending = 1;
if (!ts->irq_disabled) {
ts->irq_disabled = 1;
disable_irq(ts->spi->irq);
spin_lock_irq(&ts->lock);
if (unlikely(ts->msg_idx && !ts->pendown)) {
/* measurment cycle ended */
if (!device_suspended(&ts->spi->dev)) {
ts->irq_disabled = 0;
enable_irq(ts->spi->irq);
}
status = spi_async(ts->spi, &ts->msg);
ts->pending = 0;
ts->msg_idx = 0;
} else {
/* pen is still down, continue with the measurement */
ts->msg_idx = 0;
status = spi_async(ts->spi, &ts->msg[0]);
if (status)
dev_err(&ts->spi->dev, "spi_async --> %d\n",
status);
dev_err(&ts->spi->dev, "spi_async --> %d\n", status);
}
spin_unlock_irqrestore(&ts->lock, flags);
spin_unlock_irq(&ts->lock);
}
static irqreturn_t ads7846_irq(int irq, void *handle, struct pt_regs *regs)
{
ads7846_timer((unsigned long) handle);
struct ads7846 *ts = handle;
unsigned long flags;
spin_lock_irqsave(&ts->lock, flags);
if (likely(ts->get_pendown_state())) {
if (!ts->irq_disabled) {
/* REVISIT irq logic for many ARM chips has cloned a
* bug wherein disabling an irq in its handler won't
* work;(it's disabled lazily, and too late to work.
* until all their irq logic is fixed, we must shadow
* that state here.
*/
ts->irq_disabled = 1;
disable_irq(ts->spi->irq);
ts->pending = 1;
mod_timer(&ts->timer, jiffies);
}
}
spin_unlock_irqrestore(&ts->lock, flags);
return IRQ_HANDLED;
}
/*--------------------------------------------------------------------------*/
static int
ads7846_suspend(struct spi_device *spi, pm_message_t message)
/* Must be called with ts->lock held */
static void ads7846_disable(struct ads7846 *ts)
{
struct ads7846 *ts = dev_get_drvdata(&spi->dev);
unsigned long flags;
if (ts->disabled)
return;
spin_lock_irqsave(&ts->lock, flags);
spi->dev.power.power_state = message;
ts->disabled = 1;
/* are we waiting for IRQ, or polling? */
if (!ts->pendown) {
if (!ts->irq_disabled) {
ts->irq_disabled = 1;
disable_irq(ts->spi->irq);
}
if (!ts->pending) {
ts->irq_disabled = 1;
disable_irq(ts->spi->irq);
} else {
/* polling; force a final SPI completion;
* that will clean things up neatly
/* the timer will run at least once more, and
* leave everything in a clean state, IRQ disabled
*/
if (!ts->pending)
mod_timer(&ts->timer, jiffies);
while (ts->pendown || ts->pending) {
spin_unlock_irqrestore(&ts->lock, flags);
udelay(10);
spin_lock_irqsave(&ts->lock, flags);
while (ts->pending) {
spin_unlock_irq(&ts->lock);
msleep(1);
spin_lock_irq(&ts->lock);
}
}
@ -389,17 +541,45 @@ ads7846_suspend(struct spi_device *spi, pm_message_t message)
* leave it that way after every request
*/
spin_unlock_irqrestore(&ts->lock, flags);
}
/* Must be called with ts->lock held */
static void ads7846_enable(struct ads7846 *ts)
{
if (!ts->disabled)
return;
ts->disabled = 0;
ts->irq_disabled = 0;
enable_irq(ts->spi->irq);
}
static int ads7846_suspend(struct spi_device *spi, pm_message_t message)
{
struct ads7846 *ts = dev_get_drvdata(&spi->dev);
spin_lock_irq(&ts->lock);
spi->dev.power.power_state = message;
ads7846_disable(ts);
spin_unlock_irq(&ts->lock);
return 0;
}
static int ads7846_resume(struct spi_device *spi)
{
struct ads7846 *ts = dev_get_drvdata(&spi->dev);
ts->irq_disabled = 0;
enable_irq(ts->spi->irq);
spin_lock_irq(&ts->lock);
spi->dev.power.power_state = PMSG_ON;
ads7846_enable(ts);
spin_unlock_irq(&ts->lock);
return 0;
}
@ -408,6 +588,7 @@ static int __devinit ads7846_probe(struct spi_device *spi)
struct ads7846 *ts;
struct input_dev *input_dev;
struct ads7846_platform_data *pdata = spi->dev.platform_data;
struct spi_message *m;
struct spi_transfer *x;
int err;
@ -428,6 +609,11 @@ static int __devinit ads7846_probe(struct spi_device *spi)
return -EINVAL;
}
if (pdata->get_pendown_state == NULL) {
dev_dbg(&spi->dev, "no get_pendown_state function?\n");
return -EINVAL;
}
/* We'd set the wordsize to 12 bits ... except that some controllers
* will then treat the 8 bit command words as 12 bits (and drop the
* four MSBs of the 12 bit result). Result: inputs must be shifted
@ -451,9 +637,21 @@ static int __devinit ads7846_probe(struct spi_device *spi)
ts->timer.data = (unsigned long) ts;
ts->timer.function = ads7846_timer;
spin_lock_init(&ts->lock);
ts->model = pdata->model ? : 7846;
ts->vref_delay_usecs = pdata->vref_delay_usecs ? : 100;
ts->x_plate_ohms = pdata->x_plate_ohms ? : 400;
ts->pressure_max = pdata->pressure_max ? : ~0;
if (pdata->debounce_max) {
ts->debounce_max = pdata->debounce_max;
ts->debounce_tol = pdata->debounce_tol;
ts->debounce_rep = pdata->debounce_rep;
if (ts->debounce_rep > ts->debounce_max + 1)
ts->debounce_rep = ts->debounce_max - 1;
} else
ts->debounce_tol = ~0;
ts->get_pendown_state = pdata->get_pendown_state;
snprintf(ts->phys, sizeof(ts->phys), "%s/input0", spi->dev.bus_id);
@ -477,60 +675,100 @@ static int __devinit ads7846_probe(struct spi_device *spi)
/* set up the transfers to read touchscreen state; this assumes we
* use formula #2 for pressure, not #3.
*/
INIT_LIST_HEAD(&ts->msg.transfers);
m = &ts->msg[0];
x = ts->xfer;
spi_message_init(m);
/* y- still on; turn on only y+ (and ADC) */
ts->read_y = READ_Y;
x->tx_buf = &ts->read_y;
x->len = 1;
spi_message_add_tail(x, &ts->msg);
spi_message_add_tail(x, m);
x++;
x->rx_buf = &ts->tc.y;
x->len = 2;
spi_message_add_tail(x, &ts->msg);
spi_message_add_tail(x, m);
/* turn y+ off, x- on; we'll use formula #2 */
if (ts->model == 7846) {
x++;
ts->read_z1 = READ_Z1;
x->tx_buf = &ts->read_z1;
x->len = 1;
spi_message_add_tail(x, &ts->msg);
m->complete = ads7846_debounce;
m->context = ts;
x++;
x->rx_buf = &ts->tc.z1;
x->len = 2;
spi_message_add_tail(x, &ts->msg);
x++;
ts->read_z2 = READ_Z2;
x->tx_buf = &ts->read_z2;
x->len = 1;
spi_message_add_tail(x, &ts->msg);
x++;
x->rx_buf = &ts->tc.z2;
x->len = 2;
spi_message_add_tail(x, &ts->msg);
}
m++;
spi_message_init(m);
/* turn y- off, x+ on, then leave in lowpower */
x++;
ts->read_x = READ_X;
x->tx_buf = &ts->read_x;
x->len = 1;
spi_message_add_tail(x, &ts->msg);
spi_message_add_tail(x, m);
x++;
x->rx_buf = &ts->tc.x;
x->len = 2;
CS_CHANGE(*x);
spi_message_add_tail(x, &ts->msg);
spi_message_add_tail(x, m);
ts->msg.complete = ads7846_rx;
ts->msg.context = ts;
m->complete = ads7846_debounce;
m->context = ts;
/* turn y+ off, x- on; we'll use formula #2 */
if (ts->model == 7846) {
m++;
spi_message_init(m);
x++;
ts->read_z1 = READ_Z1;
x->tx_buf = &ts->read_z1;
x->len = 1;
spi_message_add_tail(x, m);
x++;
x->rx_buf = &ts->tc.z1;
x->len = 2;
spi_message_add_tail(x, m);
m->complete = ads7846_debounce;
m->context = ts;
m++;
spi_message_init(m);
x++;
ts->read_z2 = READ_Z2;
x->tx_buf = &ts->read_z2;
x->len = 1;
spi_message_add_tail(x, m);
x++;
x->rx_buf = &ts->tc.z2;
x->len = 2;
spi_message_add_tail(x, m);
m->complete = ads7846_debounce;
m->context = ts;
}
/* power down */
m++;
spi_message_init(m);
x++;
ts->pwrdown = PWRDOWN;
x->tx_buf = &ts->pwrdown;
x->len = 1;
spi_message_add_tail(x, m);
x++;
x->rx_buf = &ts->dummy;
x->len = 2;
CS_CHANGE(*x);
spi_message_add_tail(x, m);
m->complete = ads7846_rx;
m->context = ts;
ts->last_msg = m;
if (request_irq(spi->irq, ads7846_irq,
SA_SAMPLE_RANDOM | SA_TRIGGER_FALLING,
@ -559,13 +797,27 @@ static int __devinit ads7846_probe(struct spi_device *spi)
device_create_file(&spi->dev, &dev_attr_vbatt);
device_create_file(&spi->dev, &dev_attr_vaux);
device_create_file(&spi->dev, &dev_attr_pen_down);
device_create_file(&spi->dev, &dev_attr_disable);
err = input_register_device(input_dev);
if (err)
goto err_free_irq;
goto err_remove_attr;
return 0;
err_free_irq:
err_remove_attr:
device_remove_file(&spi->dev, &dev_attr_disable);
device_remove_file(&spi->dev, &dev_attr_pen_down);
if (ts->model == 7846) {
device_remove_file(&spi->dev, &dev_attr_temp1);
device_remove_file(&spi->dev, &dev_attr_temp0);
}
if (ts->model != 7845)
device_remove_file(&spi->dev, &dev_attr_vbatt);
device_remove_file(&spi->dev, &dev_attr_vaux);
free_irq(spi->irq, ts);
err_free_mem:
input_free_device(input_dev);
@ -577,20 +829,24 @@ static int __devexit ads7846_remove(struct spi_device *spi)
{
struct ads7846 *ts = dev_get_drvdata(&spi->dev);
ads7846_suspend(spi, PMSG_SUSPEND);
free_irq(ts->spi->irq, ts);
if (ts->irq_disabled)
enable_irq(ts->spi->irq);
input_unregister_device(ts->input);
ads7846_suspend(spi, PMSG_SUSPEND);
device_remove_file(&spi->dev, &dev_attr_disable);
device_remove_file(&spi->dev, &dev_attr_pen_down);
if (ts->model == 7846) {
device_remove_file(&spi->dev, &dev_attr_temp0);
device_remove_file(&spi->dev, &dev_attr_temp1);
device_remove_file(&spi->dev, &dev_attr_temp0);
}
if (ts->model != 7845)
device_remove_file(&spi->dev, &dev_attr_vbatt);
device_remove_file(&spi->dev, &dev_attr_vaux);
input_unregister_device(ts->input);
free_irq(ts->spi->irq, ts);
/* suspend left the IRQ disabled */
enable_irq(ts->spi->irq);
kfree(ts);
dev_dbg(&spi->dev, "unregistered touchscreen\n");

2
drivers/input/touchscreen/corgi_ts.c
View file

@ -17,7 +17,7 @@
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <asm/irq.h>
//#include <asm/irq.h>
#include <asm/arch/sharpsl.h>
#include <asm/arch/hardware.h>

29
drivers/md/raid1.c
View file

@ -315,10 +315,11 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
if (r1_bio->bios[mirror] == bio)
break;
if (error == -ENOTSUPP && test_bit(R1BIO_Barrier, &r1_bio->state)) {
if (error == -EOPNOTSUPP && test_bit(R1BIO_Barrier, &r1_bio->state)) {
set_bit(BarriersNotsupp, &conf->mirrors[mirror].rdev->flags);
set_bit(R1BIO_BarrierRetry, &r1_bio->state);
r1_bio->mddev->barriers_work = 0;
/* Don't rdev_dec_pending in this branch - keep it for the retry */
} else {
/*
* this branch is our 'one mirror IO has finished' event handler:
@ -365,6 +366,7 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
}
}
}
rdev_dec_pending(conf->mirrors[mirror].rdev, conf->mddev);
}
/*
*
@ -374,11 +376,9 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
if (atomic_dec_and_test(&r1_bio->remaining)) {
if (test_bit(R1BIO_BarrierRetry, &r1_bio->state)) {
reschedule_retry(r1_bio);
/* Don't dec_pending yet, we want to hold
* the reference over the retry
*/
goto out;
}
/* it really is the end of this request */
if (test_bit(R1BIO_BehindIO, &r1_bio->state)) {
/* free extra copy of the data pages */
int i = bio->bi_vcnt;
@ -393,8 +393,6 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
md_write_end(r1_bio->mddev);
raid_end_bio_io(r1_bio);
}
rdev_dec_pending(conf->mirrors[mirror].rdev, conf->mddev);
out:
if (to_put)
bio_put(to_put);
@ -753,18 +751,24 @@ static int make_request(request_queue_t *q, struct bio * bio)
const int rw = bio_data_dir(bio);
int do_barriers;
if (unlikely(!mddev->barriers_work && bio_barrier(bio))) {
bio_endio(bio, bio->bi_size, -EOPNOTSUPP);
return 0;
}
/*
* Register the new request and wait if the reconstruction
* thread has put up a bar for new requests.
* Continue immediately if no resync is active currently.
* We test barriers_work *after* md_write_start as md_write_start
* may cause the first superblock write, and that will check out
* if barriers work.
*/
md_write_start(mddev, bio); /* wait on superblock update early */
if (unlikely(!mddev->barriers_work && bio_barrier(bio))) {
if (rw == WRITE)
md_write_end(mddev);
bio_endio(bio, bio->bi_size, -EOPNOTSUPP);
return 0;
}
wait_barrier(conf);
disk_stat_inc(mddev->gendisk, ios[rw]);
@ -1404,10 +1408,11 @@ static void raid1d(mddev_t *mddev)
unplug = 1;
} else if (test_bit(R1BIO_BarrierRetry, &r1_bio->state)) {
/* some requests in the r1bio were BIO_RW_BARRIER
* requests which failed with -ENOTSUPP. Hohumm..
* requests which failed with -EOPNOTSUPP. Hohumm..
* Better resubmit without the barrier.
* We know which devices to resubmit for, because
* all others have had their bios[] entry cleared.
* We already have a nr_pending reference on these rdevs.
*/
int i;
clear_bit(R1BIO_BarrierRetry, &r1_bio->state);

46
drivers/md/raid10.c
View file

@ -1407,43 +1407,54 @@ static void raid10d(mddev_t *mddev)
if (s > (PAGE_SIZE>>9))
s = PAGE_SIZE >> 9;
rcu_read_lock();
do {
int d = r10_bio->devs[sl].devnum;
rdev = conf->mirrors[d].rdev;
rdev = rcu_dereference(conf->mirrors[d].rdev);
if (rdev &&
test_bit(In_sync, &rdev->flags) &&
sync_page_io(rdev->bdev,
r10_bio->devs[sl].addr +
sect + rdev->data_offset,
s<<9,
conf->tmppage, READ))
success = 1;
else {
sl++;
if (sl == conf->copies)
sl = 0;
test_bit(In_sync, &rdev->flags)) {
atomic_inc(&rdev->nr_pending);
rcu_read_unlock();
success = sync_page_io(rdev->bdev,
r10_bio->devs[sl].addr +
sect + rdev->data_offset,
s<<9,
conf->tmppage, READ);
rdev_dec_pending(rdev, mddev);
rcu_read_lock();
if (success)
break;
}
sl++;
if (sl == conf->copies)
sl = 0;
} while (!success && sl != r10_bio->read_slot);
rcu_read_unlock();
if (success) {
int start = sl;
/* write it back and re-read */
rcu_read_lock();
while (sl != r10_bio->read_slot) {
int d;
if (sl==0)
sl = conf->copies;
sl--;
d = r10_bio->devs[sl].devnum;
rdev = conf->mirrors[d].rdev;
atomic_add(s, &rdev->corrected_errors);
rdev = rcu_dereference(conf->mirrors[d].rdev);
if (rdev &&
test_bit(In_sync, &rdev->flags)) {
atomic_inc(&rdev->nr_pending);
rcu_read_unlock();
atomic_add(s, &rdev->corrected_errors);
if (sync_page_io(rdev->bdev,
r10_bio->devs[sl].addr +
sect + rdev->data_offset,
s<<9, conf->tmppage, WRITE) == 0)
/* Well, this device is dead */
md_error(mddev, rdev);
rdev_dec_pending(rdev, mddev);
rcu_read_lock();
}
}
sl = start;
@ -1453,17 +1464,22 @@ static void raid10d(mddev_t *mddev)
sl = conf->copies;
sl--;
d = r10_bio->devs[sl].devnum;
rdev = conf->mirrors[d].rdev;
rdev = rcu_dereference(conf->mirrors[d].rdev);
if (rdev &&
test_bit(In_sync, &rdev->flags)) {
atomic_inc(&rdev->nr_pending);
rcu_read_unlock();
if (sync_page_io(rdev->bdev,
r10_bio->devs[sl].addr +
sect + rdev->data_offset,
s<<9, conf->tmppage, READ) == 0)
/* Well, this device is dead */
md_error(mddev, rdev);
rdev_dec_pending(rdev, mddev);
rcu_read_lock();
}
}
rcu_read_unlock();
} else {
/* Cannot read from anywhere -- bye bye array */
md_error(mddev, conf->mirrors[r10_bio->devs[r10_bio->read_slot].devnum].rdev);

2
drivers/media/video/cx88/cx88-alsa.c
View file

@ -616,7 +616,7 @@ static struct snd_kcontrol_new snd_cx88_capture_volume = {
* Only boards with eeprom and byte 1 at eeprom=1 have it
*/
static struct pci_device_id cx88_audio_pci_tbl[] = {
static struct pci_device_id cx88_audio_pci_tbl[] __devinitdata = {
{0x14f1,0x8801,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
{0x14f1,0x8811,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
{0, }

3
drivers/mmc/at91_mci.c
View file

@ -621,9 +621,6 @@ static void at91_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
struct at91mci_host *host = mmc_priv(mmc);
unsigned long at91_master_clock = clk_get_rate(mci_clk);
DBG("Clock %uHz, busmode %u, powermode %u, Vdd %u\n",
ios->clock, ios->bus_mode, ios->power_mode, ios->vdd);
if (host)
host->bus_mode = ios->bus_mode;
else

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