diff options
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 */ |