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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-05-29 14:25:58 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-29 16:21:52 +0200 |
| commit | bbbee90829304d156c12b171c0ac7e6e1aba8b90 (patch) | |
| tree | ec0a1a8c69a5c909a57227915734d1e55678eb5c /include/linux/perf_counter.h | |
| parent | 665c2142a94202881a3c11cbaee6506cb10ada2d (diff) | |
| download | op-kernel-dev-bbbee90829304d156c12b171c0ac7e6e1aba8b90.zip op-kernel-dev-bbbee90829304d156c12b171c0ac7e6e1aba8b90.tar.gz | |
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/linux/perf_counter.h')
| -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 717bf3b..519a41b 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, extern void perf_counter_task_tick(struct task_struct *task, int cpu); extern int perf_counter_init_task(struct task_struct *child); extern void perf_counter_exit_task(struct task_struct *child); +extern void perf_counter_free_task(struct task_struct *task); extern void perf_counter_do_pending(void); extern void perf_counter_print_debug(void); extern void __perf_disable(void); @@ -644,6 +645,7 @@ static inline void perf_counter_task_tick(struct task_struct *task, int cpu) { } static inline int perf_counter_init_task(struct task_struct *child) { return 0; } static inline void perf_counter_exit_task(struct task_struct *child) { } +static inline void perf_counter_free_task(struct task_struct *task) { } static inline void perf_counter_do_pending(void) { } static inline void perf_counter_print_debug(void) { } static inline void perf_disable(void) { } |
