diff options
author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-05-29 08:25:58 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-05-29 10:21:52 -0400 |
commit | bbbee90829304d156c12b171c0ac7e6e1aba8b90 (patch) | |
tree | ec0a1a8c69a5c909a57227915734d1e55678eb5c /include | |
parent | 665c2142a94202881a3c11cbaee6506cb10ada2d (diff) |
perf_counter: Ammend cleanup in fork() fail
When fork() fails we cannot use perf_counter_exit_task() since that
assumes to operate on current. Write a new helper that cleans up
unused/clean contexts.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/perf_counter.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index 717bf3b59ba4..519a41bba249 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h | |||
@@ -579,6 +579,7 @@ extern void perf_counter_task_sched_out(struct task_struct *task, | |||
579 | extern void perf_counter_task_tick(struct task_struct *task, int cpu); | 579 | extern void perf_counter_task_tick(struct task_struct *task, int cpu); |
580 | extern int perf_counter_init_task(struct task_struct *child); | 580 | extern int perf_counter_init_task(struct task_struct *child); |
581 | extern void perf_counter_exit_task(struct task_struct *child); | 581 | extern void perf_counter_exit_task(struct task_struct *child); |
582 | extern void perf_counter_free_task(struct task_struct *task); | ||
582 | extern void perf_counter_do_pending(void); | 583 | extern void perf_counter_do_pending(void); |
583 | extern void perf_counter_print_debug(void); | 584 | extern void perf_counter_print_debug(void); |
584 | extern void __perf_disable(void); | 585 | extern void __perf_disable(void); |
@@ -644,6 +645,7 @@ static inline void | |||
644 | perf_counter_task_tick(struct task_struct *task, int cpu) { } | 645 | perf_counter_task_tick(struct task_struct *task, int cpu) { } |
645 | static inline int perf_counter_init_task(struct task_struct *child) { return 0; } | 646 | static inline int perf_counter_init_task(struct task_struct *child) { return 0; } |
646 | static inline void perf_counter_exit_task(struct task_struct *child) { } | 647 | static inline void perf_counter_exit_task(struct task_struct *child) { } |
648 | static inline void perf_counter_free_task(struct task_struct *task) { } | ||
647 | static inline void perf_counter_do_pending(void) { } | 649 | static inline void perf_counter_do_pending(void) { } |
648 | static inline void perf_counter_print_debug(void) { } | 650 | static inline void perf_counter_print_debug(void) { } |
649 | static inline void perf_disable(void) { } | 651 | static inline void perf_disable(void) { } |