If page is double referenced in madvise_hwpoison() and __memory_failure(),
remove_mapping() will fail because it expects page_count=2. Fix it by
not grabbing extra page count in __memory_failure().
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Use a different errno than the usual EIO for invalid page numbers.
This is mainly for better reporting for the injector.
This also avoids calling action_result() with invalid pfn.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
(PG_swapbacked && !PG_lru) pages should not happen.
Better to treat them as unknown pages.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
shake_page handles more types of page caches than lru_drain_all()
- per cpu page allocator pages
- per CPU LRU
Stops early when the page became free.
Used in followon patches.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
I got following warning on ia64 box:
In function 'acpi_processor_power_verify':
642: warning: passing argument 2 of 'smp_call_function_single' from
incompatible pointer type
This smp_call_function_single() was introduced by a commit
f833bab87f:
> @@ -162,8 +162,9 @@
> pr->power.timer_broadcast_on_state = state;
> }
>
> -static void lapic_timer_propagate_broadcast(struct acpi_processor *pr)
> +static void lapic_timer_propagate_broadcast(void *arg)
> {
> + struct acpi_processor *pr = (struct acpi_processor *) arg;
> unsigned long reason;
>
> reason = pr->power.timer_broadcast_on_state < INT_MAX ?
> @@ -635,7 +636,8 @@
> working++;
> }
>
> - lapic_timer_propagate_broadcast(pr);
> + smp_call_function_single(pr->id, lapic_timer_propagate_broadcast,
> + pr, 1);
>
> return (working);
> }
The problem is that the lapic_timer_propagate_broadcast() has 2 versions:
One is real code that modified in the above commit, and the other is NOP
code that used when !ARCH_APICTIMER_STOPS_ON_C3:
static void lapic_timer_propagate_broadcast(struct acpi_processor *pr) { }
So I got warning because of !ARCH_APICTIMER_STOPS_ON_C3.
We really want to do nothing here on !ARCH_APICTIMER_STOPS_ON_C3, so
modify lapic_timer_propagate_broadcast() of real version to use
smp_call_function_single() in it.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
drivers/acpi/acpi_pad.c: In function 'power_saving_thread':
drivers/acpi/acpi_pad.c:103: warning: 'preferred_cpu' may be used uninitialized in this function
Cc: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Commit 86b3728141 adds a check for
misaligned stacking offsets, but it's buggy since the defaults are 0.
Hence all dm devices that pass in a non-zero starting offset will
be marked as misaligned amd dm will complain.
A real fix is coming, in the mean time disable the discard granularity
check so that users don't worry about dm reporting about misaligned
devices.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Removed some stray whitespaces
Added whitespace when needed for legibility
Removed unneeded curly braces
Removed useless void casts
Removed unnecessary local variable initialization
Renamed variables to help out with 80-column fixes
Signed-off-by: Alex Chiang <achiang@hp.com>
Acked-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Instead of adding a (struct dock_station **) to our dock device's
platform data, we can add the (struct dock_station *) directly.
This change saves us some ugly casting and improves readability.
The cost of making this change is an extra 290 bytes of stack usage,
but this is an infrequently called code-path and unlikely to cause
the kernel to blow up.
Signed-off-by: Alex Chiang <achiang@hp.com>
Acked-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Move the call to platform_device_register_simple so that we do it
before allocating and initializing our struct dock_station.
Signed-off-by: Alex Chiang <achiang@hp.com>
Acked-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
We only use it in one spot, so it probably gets optimized out, but there's
still no need to use a global variable for this.
Signed-off-by: Alex Chiang <achiang@hp.com>
Acked-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
There's no real need to have a separate allocation step when adding
a dock dependent device.
Combining the two functions is both logical and helps with legibility.
Signed-off-by: Alex Chiang <achiang@hp.com>
Acked-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Pull it out of builtin-report - further changes will be made and it
will then be reusable in 'perf diff' as well.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260914682-29652-4-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Will be used in perf diff too.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260914682-29652-2-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This simplifies a lot of functions, less stuff to be done by
tool writers.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260914682-29652-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Always set bad_wr when an immediate error is detected. Return ENOMEM
for queue full instead of EINVAL to match other drivers.
Signed-off-by: Frank Zago <fzago@systemfabricworks.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Fix sh_eth for sh7724 by adding NET_IP_ALIGN support V2.
Without this patch the receive data is misaligned.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the 82598 is fed 802.1q packets, it chokes with
an error of the form:
ixgbe: eth0: ixgbe_tx_csum: partial checksum but proto=81!
As the logic there was not smart enough to look into
the vlan header to pick out the encapsulated protocol.
There are times when we'd like to send these packets
out without having to configure a vlan on the interface.
Here we check for the vlan tag and allow the packet to
go out with the correct hardware checksum.
This patch is a clone of a previously submitted patch by
Arthur Jones <ajones@riverbed.com> for igb (Commit -
fa4a7ef36e).
Signed-off-by: Gurucharan Shetty <gshetty@riverbed.com>
Signed-off-by: Arthur Jones <ajones@riverbed.com>
Acked-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Modified patch with Dave's comments to replace mdelay with proper msleep.
Fix 82598 copper link issue, where the phy prematurely indicates link
before it is ready to process packets. The new function looks for phy
link and indicates that, when it is available. If phy is not ready
within few seconds of MAC indicating link, the function will return
failure which translates to link down indication.
Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the restart_queue and non_eop_desc counters from being
double-counted. They are cumulative in each ring, so we don't want to
add them to the cumulative result in the adapter's master counter.
Otherwise, the stats will be inaccurate
Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Added new BIOS versions for following netbooks: Acer 1410, Gateway LT31,
Packard Bell DOA150. As the Gateway LT31 machines have different register
values for setting and checking the off-state, the "cmd_off" variable has
been splitted up to "cmd_off" and "chk_off".
Signed-off-by: Peter Feuerer <peter@piie.net>
Cc: Borislav Petkov <petkovbb@gmail.com>
Cc: Andreas Mohr <andi@lisas.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Users can force a passive trip point for a thermal zone that does not have
_PSV defined in ACPI by setting the passive attribute in sysfs. It's
useful to display such trip points in /proc/acpi/thermal_zone.
.../TZ1/cooling_mode:<setting not supported>
.../TZ1/polling_frequency:polling frequency: 10 seconds
.../TZ1/state:state: ok
.../TZ1/temperature:temperature: 53 C
.../TZ1/trip_points:critical (S5): 110 C
.../TZ1/trip_points:passive (forced): 95 C
And if not set (passive is 0):
.../TZ1/trip_points:passive (forced):<not set>
Signed-off-by: Frans Pop <elendil@planet.nl>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
NUMA_NO_NODE has been exported globally and thus it can replace NID_INVAL
in the acpi code.
Also removes the unused acpi_unmap_pxm_to_node() function.
[akpm@linux-foundation.org: coding-style fixes]
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Properly handle version of the protocol where standard PS/2 packets
from trackpoint are stuffed into middle (byte 3-6) of the standard
ALPS packets when both the touchpad and trackpoint are used together.
The patch is based on work done by Matthew Chapman and additional
research done by David Kubicek and Erik Osterholm:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/296610
Many thanks to David Kubicek for his efforts in researching fine points
of this new version of the protocol, especially interaction between pad
and stick in these models.
Signed-off-by: Sebastian Kapfer <sebastian_kapfer@gmx.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
On some laptops it will return NOTIFY_OK(non-zero) when calling the ACPI LID
notifier. Then it is used as the result of ACPI LID resume function, which
will complain the following warning message in course of suspend/resume:
>PM: Device PNP0C0D:00 failed to resume: error 1
This patch is to eliminate the above warning message.
http://bugzilla.kernel.org/show_bug.cgi?id=14782
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This adds support for compressed textures to the r100->r500 CS
checker, it lets me run openarena and the demos in mesa fine.
Thanks to Maciej Cencora for initial comments.
Changes since v1:
fix calculations with Maciej formulas
Reviewed-by: Maciej Cencora <m.cencora@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This adds the relocations for texture tiling for KMS.
Signed-off-by: Maciej Cencora <m.cencora@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
* 'nouveau/for-airlied' of /ssd/git/drm-nouveau-next:
drm/nouveau: remove use of -ERESTART
nouveau: Fix endianness with new context program loader
drm/nouveau: fix build with CONFIG_AGP=n
drm/nouveau: fix ch7006 build
The commit 66d2a5952e introduces a bug:
for every beep requested, a bell is also generated.
Reported-by: Paul Martin <pm@debian.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Adding basic HDMI support for R600 KMS, ported from radeonhd ddx.
[airlied:- checkpatch cleanups]
Signed-off-by: Christian Koenig <deathsimple@vodafone.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
We need to make sure the the MC is intialized before we map the
blit shader object on r6xx+.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
radeon_object.h wasn't converted to ERESTARTSYS change. No
each time we got an ERESTARTSYS we return to userspace (ie
we were interrupted by a signal and we let the userspace
reschedule the ioctl).
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
if we fail with ERESTARTSYS during alloc, we'll get a retry from
userspace so don't report it in dmesg.
Signed-off-by: Dave Airlie <airlied@redhat.com>
If they are not radeon object don't do anythings special for them,
this avoid rare oops than can happen in a complex use case.
[airlied: additional fixups]
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Do as we did before rework, if no placement is supplied at bo
creation time, fallback to allocating bo from system ram. This
will fix most of the creation failed issue report we got since
the rework get merged.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
System memory type doesn't have a drm_mm manager associated to
it. This patch avoid trying to call drm_mm_debug on unitialized
drm_mm when printing debug info on the system memory manager.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
