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author | Ingo Molnar <mingo@elte.hu> | 2010-04-02 19:37:50 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-04-02 19:38:10 +0200 |
commit | ec5e61aabeac58670691bd0613388d16697d0d81 (patch) | |
tree | 59838509358f27334874b90756505785cde29b02 /include/linux/rcupdate.h | |
parent | 75ec5a245c7763c397f31ec8964d0a46c54a7386 (diff) | |
parent | 8bb39f9aa068262732fe44b965d7a6eb5a5a7d67 (diff) | |
download | op-kernel-dev-ec5e61aabeac58670691bd0613388d16697d0d81.zip op-kernel-dev-ec5e61aabeac58670691bd0613388d16697d0d81.tar.gz |
Merge branch 'perf/urgent' into perf/core
Conflicts:
arch/x86/kernel/cpu/perf_event.c
Merge reason: Resolve the conflict, pick up fixes
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/rcupdate.h')
-rw-r--r-- | include/linux/rcupdate.h | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 3024050..872a98e 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -123,22 +123,11 @@ static inline int rcu_read_lock_held(void) return lock_is_held(&rcu_lock_map); } -/** - * rcu_read_lock_bh_held - might we be in RCU-bh read-side critical section? - * - * If CONFIG_PROVE_LOCKING is selected and enabled, returns nonzero iff in - * an RCU-bh read-side critical section. In absence of CONFIG_PROVE_LOCKING, - * this assumes we are in an RCU-bh read-side critical section unless it can - * prove otherwise. - * - * Check rcu_scheduler_active to prevent false positives during boot. +/* + * rcu_read_lock_bh_held() is defined out of line to avoid #include-file + * hell. */ -static inline int rcu_read_lock_bh_held(void) -{ - if (!debug_lockdep_rcu_enabled()) - return 1; - return lock_is_held(&rcu_bh_lock_map); -} +extern int rcu_read_lock_bh_held(void); /** * rcu_read_lock_sched_held - might we be in RCU-sched read-side critical section? @@ -160,7 +149,7 @@ static inline int rcu_read_lock_sched_held(void) return 1; if (debug_locks) lockdep_opinion = lock_is_held(&rcu_sched_lock_map); - return lockdep_opinion || preempt_count() != 0; + return lockdep_opinion || preempt_count() != 0 || irqs_disabled(); } #else /* #ifdef CONFIG_PREEMPT */ static inline int rcu_read_lock_sched_held(void) @@ -191,7 +180,7 @@ static inline int rcu_read_lock_bh_held(void) #ifdef CONFIG_PREEMPT static inline int rcu_read_lock_sched_held(void) { - return !rcu_scheduler_active || preempt_count() != 0; + return !rcu_scheduler_active || preempt_count() != 0 || irqs_disabled(); } #else /* #ifdef CONFIG_PREEMPT */ static inline int rcu_read_lock_sched_held(void) |