diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-20 14:18:35 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-20 14:18:35 -0400 |
commit | a3d5c3460a86f52ea435b3fb98be112bd18faabc (patch) | |
tree | 48a32968b569af0e0f0af1def3effa0770710fea /include | |
parent | 86c76676cfdbf283f6131d5a2783bed3f3d490ea (diff) | |
parent | 29bb9e5a75684106a37593ad75ec75ff8312731b (diff) |
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')
-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 87a03c746f17..f5d4723cdb3d 100644 --- a/include/linux/preempt.h +++ b/include/linux/preempt.h | |||
@@ -33,9 +33,25 @@ do { \ | |||
33 | preempt_schedule(); \ | 33 | preempt_schedule(); \ |
34 | } while (0) | 34 | } while (0) |
35 | 35 | ||
36 | #ifdef CONFIG_CONTEXT_TRACKING | ||
37 | |||
38 | void preempt_schedule_context(void); | ||
39 | |||
40 | #define preempt_check_resched_context() \ | ||
41 | do { \ | ||
42 | if (unlikely(test_thread_flag(TIF_NEED_RESCHED))) \ | ||
43 | preempt_schedule_context(); \ | ||
44 | } while (0) | ||
45 | #else | ||
46 | |||
47 | #define preempt_check_resched_context() preempt_check_resched() | ||
48 | |||
49 | #endif /* CONFIG_CONTEXT_TRACKING */ | ||
50 | |||
36 | #else /* !CONFIG_PREEMPT */ | 51 | #else /* !CONFIG_PREEMPT */ |
37 | 52 | ||
38 | #define preempt_check_resched() do { } while (0) | 53 | #define preempt_check_resched() do { } while (0) |
54 | #define preempt_check_resched_context() do { } while (0) | ||
39 | 55 | ||
40 | #endif /* CONFIG_PREEMPT */ | 56 | #endif /* CONFIG_PREEMPT */ |
41 | 57 | ||
@@ -88,7 +104,7 @@ do { \ | |||
88 | do { \ | 104 | do { \ |
89 | preempt_enable_no_resched_notrace(); \ | 105 | preempt_enable_no_resched_notrace(); \ |
90 | barrier(); \ | 106 | barrier(); \ |
91 | preempt_check_resched(); \ | 107 | preempt_check_resched_context(); \ |
92 | } while (0) | 108 | } while (0) |
93 | 109 | ||
94 | #else /* !CONFIG_PREEMPT_COUNT */ | 110 | #else /* !CONFIG_PREEMPT_COUNT */ |