[lkml]   [2009]   [Feb]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 1/1] x86_64: fix s3 fail path
Rafael J. Wysocki napsal(a):
> On Monday 09 February 2009, Jiri Slaby wrote:
>> As acpi_enter_sleep_state can fail, take this into account in
>> do_suspend_lowlevel and don't return to the do_suspend_lowlevel's
>> caller. This would break (currently) fpu status and preempt count.
>> Technically, this means use `call' instead of `jmp' and `jmp' to
>> the `resume_point' after the `call' (i.e. if
>> acpi_enter_sleep_state returns=fails). `resume_point' will handle
>> the restore of fpu and preempt count gracefully.
>> Signed-off-by: Jiri Slaby <>
>> Cc: Len Brown <>
>> Cc: Pavel Machek <>
>> Cc: Rafael J. Wysocki <>
> What kernel is this patch against? It doesn't apply to the mainline.

It is applicable even after
[PATCH v2 1/1] x86_64: acpi/wakeup_64 cleanup
which is not present anywhere so far.

 \ /
  Last update: 2009-02-14 21:27    [W:0.047 / U:7.136 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site