Commit 6f8f3570 authored Jun 27, 2019 by Phong Tran Committed by Russell King Aug 23, 2019

ARM: 8873/1: perf: cleanup cppcheck shifting warning



There is error from cppcheck tool.
"Shifting signed 32-bit value by 31 bits is undefined behaviour errors"

This error is false positive.
change to use BIT() macro for improvement.

Signed-off-by: Phong Tran <tranmanphong@gmail.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

parent fb2eca31

arch/arm/kernel/perf_event_v7.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -697,9 +697,9 @@ static struct attribute_group armv7_pmuv2_events_attr_group = {
		/*
		* Event filters for PMUv2
		*/
		#define ARMV7_EXCLUDE_PL1 (1 << 31)
		#define ARMV7_EXCLUDE_USER (1 << 30)
		#define ARMV7_INCLUDE_HYP (1 << 27)
		#define ARMV7_EXCLUDE_PL1 BIT(31)
		#define ARMV7_EXCLUDE_USER BIT(30)
		#define ARMV7_INCLUDE_HYP BIT(27)

		/*
		* Secure debug enable reg