diff options
| author | Shaohua Li <shaohua.li@intel.com> | 2006-02-03 21:50:56 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-04 16:43:13 -0800 |
| commit | 0dd2ea9af8f0eca43cf6200baa182b3aba307049 (patch) | |
| tree | 68d19724e9c50e14ea7d900493a9af37ff26c948 /arch/x86_64/kernel/pmtimer.c | |
| parent | 6f3814cd2fb5ea4d53a7fa5b0635d68fa4036c1b (diff) | |
[PATCH] x86_64: [PATCH] timer resume
At resume time, TSC's value or something similar might be changed a lot
against suspend time. This could make system gets a very big lost ticks.
See http://bugzilla.kernel.org/show_bug.cgi?id=5825
Signed-off-by: Shaohua Li<shaohua.li@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/pmtimer.c')
| -rw-r--r-- | arch/x86_64/kernel/pmtimer.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/pmtimer.c b/arch/x86_64/kernel/pmtimer.c index feb5f108dd26..8b2655ae4e61 100644 --- a/arch/x86_64/kernel/pmtimer.c +++ b/arch/x86_64/kernel/pmtimer.c @@ -80,6 +80,11 @@ int pmtimer_mark_offset(void) return lost - 1; } +void pmtimer_resume(void) +{ + last_pmtmr_tick = inl(pmtmr_ioport); +} + unsigned int do_gettimeoffset_pm(void) { u32 now, offset, delta = 0; |