Commit d91cc2f4 authored Aug 20, 2019 by Raphael Gault Committed by Will Deacon Aug 20, 2019

arm64: perf_event: Add missing header needed for smp_processor_id()



In perf_event.c we use smp_processor_id(), but we haven't included
<linux/smp.h> where it is defined, and rely on this being pulled in
via a transitive include. Let's make this more robust by including
<linux.smp.h> explicitly.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Raphael Gault <raphael.gault@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>

parent 228f855f

arch/arm64/kernel/perf_event.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@
		#include <linux/of.h>
		#include <linux/perf/arm_pmu.h>
		#include <linux/platform_device.h>
		#include <linux/smp.h>

		/* ARMv8 Cortex-A53 specific event types. */
		#define ARMV8_A53_PERFCTR_PREF_LINEFILL 0xC2

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