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Similar EVENT_ATTR macros are defined in many PMU drivers, like Arm PMU driver, Arm SMMU PMU driver. So add a generic macro to simplify code. Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Qi Liu <liuqi115@huawei.com> Link: https://lore.kernel.org/r/1623220863-58233-2-git-send-email-liuqi115@huawei.com Signed-off-by: Will Deacon <will@kernel.org>