Commit aaa19727 authored Feb 26, 2020 by luanshi Committed by Will Deacon Mar 02, 2020

perf: arm_spe: Remove unnecessary zero check on 'nr_pages'



We already check that the 'nr_pages' is > 2, so there's no need to check
that it's != 0 later on.

Signed-off-by: Liguang Zhang <zhangliguang@linux.alibaba.com>
Signed-off-by: Will Deacon <will@kernel.org>

parent f8788d86

drivers/perf/arm_spe_pmu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -831,7 +831,7 @@ static void arm_spe_pmu_setup_aux(struct perf_event event, void **pages,
		* parts and give userspace a fighting chance of getting some
		* useful data out of it.
		*/
		if (!nr_pages \|\| (snapshot && (nr_pages & 1)))
		if (snapshot && (nr_pages & 1))
		return NULL;

		if (cpu == -1)

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