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Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull perf fixes from Ingo Molnar:
 "Two fixes on the kernel side: fix an over-eager condition that failed
  larger perf ring-buffer sizes, plus fix crashes in the Intel BTS code
  for a corner case, found by fuzzing"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/core: Fix impossible ring-buffer sizes warning
  perf/x86: Add check_period PMU callback
This commit is contained in:
Linus Torvalds 2019-02-17 08:38:13 -08:00
commit dd6f29da69
6 changed files with 59 additions and 3 deletions
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5
include/linux/perf_event.h
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@ -447,6 +447,11 @@ struct pmu {
* Filter events for PMU-specific reasons.
*/
int (*filter_match) (struct perf_event *event); /* optional */
/*
* Check period value for PERF_EVENT_IOC_PERIOD ioctl.
*/
int (*check_period) (struct perf_event *event, u64 value); /* optional */
};
enum perf_addr_filter_action_t {