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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-20 18:18:35 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-20 18:18:35 (GMT) |
| commit | a3d5c3460a86f52ea435b3fb98be112bd18faabc (patch) | |
| tree | 48a32968b569af0e0f0af1def3effa0770710fea /include/linux | |
| parent | 86c76676cfdbf283f6131d5a2783bed3f3d490ea (diff) | |
| parent | 29bb9e5a75684106a37593ad75ec75ff8312731b (diff) | |
| download | linux-fsl-qoriq-a3d5c3460a86f52ea435b3fb98be112bd18faabc.tar.xz | |
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Two smaller fixes - plus a context tracking tracing fix that is a bit
bigger"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tracing/context-tracking: Add preempt_schedule_context() for tracing
sched: Fix clear NOHZ_BALANCE_KICK
sched/x86: Construct all sibling maps if smt
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/preempt.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/preempt.h b/include/linux/preempt.h index 87a03c7..f5d4723 100644 --- a/include/linux/preempt.h +++ b/include/linux/preempt.h @@ -33,9 +33,25 @@ do { \ preempt_schedule(); \ } while (0) +#ifdef CONFIG_CONTEXT_TRACKING + +void preempt_schedule_context(void); + +#define preempt_check_resched_context() \ +do { \ + if (unlikely(test_thread_flag(TIF_NEED_RESCHED))) \ + preempt_schedule_context(); \ +} while (0) +#else + +#define preempt_check_resched_context() preempt_check_resched() + +#endif /* CONFIG_CONTEXT_TRACKING */ + #else /* !CONFIG_PREEMPT */ #define preempt_check_resched() do { } while (0) +#define preempt_check_resched_context() do { } while (0) #endif /* CONFIG_PREEMPT */ @@ -88,7 +104,7 @@ do { \ do { \ preempt_enable_no_resched_notrace(); \ barrier(); \ - preempt_check_resched(); \ + preempt_check_resched_context(); \ } while (0) #else /* !CONFIG_PREEMPT_COUNT */ |