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perf/core: Assert PERF_EVENT_FLAG_ARCH does not overlap with generic flags 

This just ensures that PERF_EVENT_FLAG_ARCH does not overlap with generic
hardware event flags.

Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: James Clark <james.clark@arm.com>
Link: https://lkml.kernel.org/r/20220907091924.439193-3-anshuman.khandual@arm.com
This commit is contained in:
Anshuman Khandual 2022-09-07 14:49:22 +05:30 committed by Peter Zijlstra
parent 7517f08b9a
commit f67dd218fa
1 changed files with 2 additions and 0 deletions
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2
include/linux/perf_event.h
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@ -141,6 +141,8 @@ struct hw_perf_event_extra {
#define PERF_EVENT_FLAG_ARCH 0x000fffff
#define PERF_EVENT_FLAG_USER_READ_CNT 0x80000000
static_assert((PERF_EVENT_FLAG_USER_READ_CNT & PERF_EVENT_FLAG_ARCH) == 0);
/**
* struct hw_perf_event - performance event hardware details:
*/