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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-02-17 08:38:13 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-02-17 08:38:13 -0800 |
| commit | dd6f29da695dbfe5a8ff84ebfdd2110d68e8f511 (patch) | |
| tree | 015ae77d5d6abcb1ec56d79c51541ddf5f07ff46 /include | |
| parent | Merge tag 'powerpc-5.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux (diff) | |
| parent | perf/core: Fix impossible ring-buffer sizes warning (diff) | |
| download | linux-dev-dd6f29da695dbfe5a8ff84ebfdd2110d68e8f511.tar.xz linux-dev-dd6f29da695dbfe5a8ff84ebfdd2110d68e8f511.zip | |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
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
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/perf_event.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 1d5c551a5add..e1a051724f7e 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -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 { |