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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

Browse source 
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: Warn user if cpu is ignored.
  [SPARC64]: Fix lockdep, particularly on SMP.
  [SPARC64]: Update defconfig.
This commit is contained in:
Linus Torvalds 2007-09-16 21:15:36 -07:00
commit 6553daeafb
7 changed files with 73 additions and 43 deletions
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16
arch/sparc64/defconfig
View file

@ -1,7 +1,7 @@
# #
# Automatically generated make config: don't edit # Automatically generated make config: don't edit
# Linux kernel version: 2.6.23-rc1 # Linux kernel version: 2.6.23-rc6
# Sun Jul 22 19:24:37 2007 # Sun Sep 16 09:52:11 2007
# #
CONFIG_SPARC=y CONFIG_SPARC=y
CONFIG_SPARC64=y CONFIG_SPARC64=y
@ -32,15 +32,11 @@ CONFIG_HZ=100
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
# #
# Code maturity level options # General setup
# #
CONFIG_EXPERIMENTAL=y CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_INIT_ENV_ARG_LIMIT=32
#
# General setup
#
CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION=""
# CONFIG_LOCALVERSION_AUTO is not set # CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SWAP=y CONFIG_SWAP=y
@ -555,6 +551,7 @@ CONFIG_E1000_NAPI=y
# CONFIG_SIS190 is not set # CONFIG_SIS190 is not set
# CONFIG_SKGE is not set # CONFIG_SKGE is not set
# CONFIG_SKY2 is not set # CONFIG_SKY2 is not set
# CONFIG_SK98LIN is not set
# CONFIG_VIA_VELOCITY is not set # CONFIG_VIA_VELOCITY is not set
CONFIG_TIGON3=m CONFIG_TIGON3=m
CONFIG_BNX2=m CONFIG_BNX2=m
@ -809,6 +806,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_SMSC47M1 is not set # CONFIG_SENSORS_SMSC47M1 is not set
# CONFIG_SENSORS_SMSC47M192 is not set # CONFIG_SENSORS_SMSC47M192 is not set
# CONFIG_SENSORS_SMSC47B397 is not set # CONFIG_SENSORS_SMSC47B397 is not set
# CONFIG_SENSORS_THMC50 is not set
# CONFIG_SENSORS_VIA686A is not set # CONFIG_SENSORS_VIA686A is not set
# CONFIG_SENSORS_VT1211 is not set # CONFIG_SENSORS_VT1211 is not set
# CONFIG_SENSORS_VT8231 is not set # CONFIG_SENSORS_VT8231 is not set
@ -1162,10 +1160,6 @@ CONFIG_USB_STORAGE=m
# CONFIG_MMC is not set # CONFIG_MMC is not set
# CONFIG_NEW_LEDS is not set # CONFIG_NEW_LEDS is not set
# CONFIG_INFINIBAND is not set # CONFIG_INFINIBAND is not set
#
# Real Time Clock
#
# CONFIG_RTC_CLASS is not set # CONFIG_RTC_CLASS is not set
# #

35
arch/sparc64/kernel/head.S
View file

@ -98,7 +98,7 @@ sparc64_boot:
.globl prom_boot_mapped_pc, prom_boot_mapping_mode .globl prom_boot_mapped_pc, prom_boot_mapping_mode
.globl prom_boot_mapping_phys_high, prom_boot_mapping_phys_low .globl prom_boot_mapping_phys_high, prom_boot_mapping_phys_low
.globl prom_compatible_name, prom_cpu_path, prom_cpu_compatible .globl prom_compatible_name, prom_cpu_path, prom_cpu_compatible
.globl is_sun4v, sun4v_chip_type .globl is_sun4v, sun4v_chip_type, prom_set_trap_table_name
prom_peer_name: prom_peer_name:
.asciz "peer" .asciz "peer"
prom_compatible_name: prom_compatible_name:
@ -121,6 +121,8 @@ prom_map_name:
.asciz "map" .asciz "map"
prom_unmap_name: prom_unmap_name:
.asciz "unmap" .asciz "unmap"
prom_set_trap_table_name:
.asciz "SUNW,set-trap-table"
prom_sun4v_name: prom_sun4v_name:
.asciz "sun4v" .asciz "sun4v"
prom_niagara_prefix: prom_niagara_prefix:
@ -691,15 +693,38 @@ setup_trap_table:
sethi %hi(kern_base), %g3 sethi %hi(kern_base), %g3
ldx [%g3 + %lo(kern_base)], %g3 ldx [%g3 + %lo(kern_base)], %g3
add %g2, %g3, %o1 add %g2, %g3, %o1
sethi %hi(sparc64_ttable_tl0), %o0
call prom_set_trap_table_sun4v set prom_set_trap_table_name, %g2
sethi %hi(sparc64_ttable_tl0), %o0 stx %g2, [%sp + 2047 + 128 + 0x00]
mov 2, %g2
stx %g2, [%sp + 2047 + 128 + 0x08]
mov 0, %g2
stx %g2, [%sp + 2047 + 128 + 0x10]
stx %o0, [%sp + 2047 + 128 + 0x18]
stx %o1, [%sp + 2047 + 128 + 0x20]
sethi %hi(p1275buf), %g2
or %g2, %lo(p1275buf), %g2
ldx [%g2 + 0x08], %o1
call %o1
add %sp, (2047 + 128), %o0
ba,pt %xcc, 2f ba,pt %xcc, 2f
nop nop
1: call prom_set_trap_table 1: sethi %hi(sparc64_ttable_tl0), %o0
sethi %hi(sparc64_ttable_tl0), %o0 set prom_set_trap_table_name, %g2
stx %g2, [%sp + 2047 + 128 + 0x00]
mov 1, %g2
stx %g2, [%sp + 2047 + 128 + 0x08]
mov 0, %g2
stx %g2, [%sp + 2047 + 128 + 0x10]
stx %o0, [%sp + 2047 + 128 + 0x18]
sethi %hi(p1275buf), %g2
or %g2, %lo(p1275buf), %g2
ldx [%g2 + 0x08], %o1
call %o1
add %sp, (2047 + 128), %o0
/* Start using proper page size encodings in ctx register. */ /* Start using proper page size encodings in ctx register. */
2: sethi %hi(sparc64_kern_pri_context), %g3 2: sethi %hi(sparc64_kern_pri_context), %g3

6
arch/sparc64/kernel/mdesc.c
View file

@ -777,8 +777,12 @@ void __devinit mdesc_fill_in_cpu_data(cpumask_t mask)
cpuid = *id; cpuid = *id;
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
if (cpuid >= NR_CPUS) if (cpuid >= NR_CPUS) {
printk(KERN_WARNING "Ignoring CPU %d which is "
">= NR_CPUS (%d)\n",
cpuid, NR_CPUS);
continue; continue;
}
if (!cpu_isset(cpuid, mask)) if (!cpu_isset(cpuid, mask))
continue; continue;
#else #else

6
arch/sparc64/kernel/prom.c
View file

@ -1583,8 +1583,12 @@ static void __init of_fill_in_cpu_data(void)
ncpus_probed++; ncpus_probed++;
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
if (cpuid >= NR_CPUS) if (cpuid >= NR_CPUS) {
printk(KERN_WARNING "Ignoring CPU %d which is "
">= NR_CPUS (%d)\n",
cpuid, NR_CPUS);
continue; continue;
}
#else #else
/* On uniprocessor we only want the values for the /* On uniprocessor we only want the values for the
* real physical cpu the kernel booted onto, however * real physical cpu the kernel booted onto, however

33
arch/sparc64/kernel/trampoline.S
View file

@ -345,7 +345,7 @@ after_lock_tlb:
sethi %hi(tramp_stack), %g1 sethi %hi(tramp_stack), %g1
or %g1, %lo(tramp_stack), %g1 or %g1, %lo(tramp_stack), %g1
add %g1, TRAMP_STACK_SIZE, %g1 add %g1, TRAMP_STACK_SIZE, %g1
sub %g1, STACKFRAME_SZ + STACK_BIAS, %sp sub %g1, STACKFRAME_SZ + STACK_BIAS + 256, %sp
mov 0, %fp mov 0, %fp
/* Put garbage in these registers to trap any access to them. */ /* Put garbage in these registers to trap any access to them. */
@ -411,15 +411,38 @@ after_lock_tlb:
sethi %hi(kern_base), %g3 sethi %hi(kern_base), %g3
ldx [%g3 + %lo(kern_base)], %g3 ldx [%g3 + %lo(kern_base)], %g3
add %g2, %g3, %o1 add %g2, %g3, %o1
sethi %hi(sparc64_ttable_tl0), %o0
call prom_set_trap_table_sun4v set prom_set_trap_table_name, %g2
sethi %hi(sparc64_ttable_tl0), %o0 stx %g2, [%sp + 2047 + 128 + 0x00]
mov 2, %g2
stx %g2, [%sp + 2047 + 128 + 0x08]
mov 0, %g2
stx %g2, [%sp + 2047 + 128 + 0x10]
stx %o0, [%sp + 2047 + 128 + 0x18]
stx %o1, [%sp + 2047 + 128 + 0x20]
sethi %hi(p1275buf), %g2
or %g2, %lo(p1275buf), %g2
ldx [%g2 + 0x08], %o1
call %o1
add %sp, (2047 + 128), %o0
ba,pt %xcc, 2f ba,pt %xcc, 2f
nop nop
1: call prom_set_trap_table 1: sethi %hi(sparc64_ttable_tl0), %o0
sethi %hi(sparc64_ttable_tl0), %o0 set prom_set_trap_table_name, %g2
stx %g2, [%sp + 2047 + 128 + 0x00]
mov 1, %g2
stx %g2, [%sp + 2047 + 128 + 0x08]
mov 0, %g2
stx %g2, [%sp + 2047 + 128 + 0x10]
stx %o0, [%sp + 2047 + 128 + 0x18]
sethi %hi(p1275buf), %g2
or %g2, %lo(p1275buf), %g2
ldx [%g2 + 0x08], %o1
call %o1
add %sp, (2047 + 128), %o0
2: ldx [%l0], %g6 2: ldx [%l0], %g6
ldx [%g6 + TI_TASK], %g4 ldx [%g6 + TI_TASK], %g4

16
arch/sparc64/prom/misc.c
View file

@ -143,22 +143,6 @@ unsigned char prom_get_idprom(char *idbuf, int num_bytes)
return 0xff; return 0xff;
} }
/* Install Linux trap table so PROM uses that instead of its own. */
void prom_set_trap_table(unsigned long tba)
{
p1275_cmd("SUNW,set-trap-table",
(P1275_ARG(0, P1275_ARG_IN_64B) |
P1275_INOUT(1, 0)), tba);
}
void prom_set_trap_table_sun4v(unsigned long tba, unsigned long mmfsa)
{
p1275_cmd("SUNW,set-trap-table",
(P1275_ARG(0, P1275_ARG_IN_64B) |
P1275_ARG(1, P1275_ARG_IN_64B) |
P1275_INOUT(2, 0)), tba, mmfsa);
}
int prom_get_mmu_ihandle(void) int prom_get_mmu_ihandle(void)
{ {
int node, ret; int node, ret;

4
include/asm-sparc64/oplib.h
View file

@ -297,11 +297,7 @@ extern void prom_sun4v_guest_soft_state(void);
extern int prom_ihandle2path(int handle, char *buffer, int bufsize); extern int prom_ihandle2path(int handle, char *buffer, int bufsize);
/* Client interface level routines. */ /* Client interface level routines. */
extern void prom_set_trap_table(unsigned long tba);
extern void prom_set_trap_table_sun4v(unsigned long tba, unsigned long mmfsa);
extern long p1275_cmd(const char *, long, ...); extern long p1275_cmd(const char *, long, ...);
#if 0 #if 0
#define P1275_SIZE(x) ((((long)((x) / 32)) << 32) | (x)) #define P1275_SIZE(x) ((((long)((x) / 32)) << 32) | (x))