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Message-Id: <20190625040356.27473-2-tranmanphong@gmail.com>
Date: Tue, 25 Jun 2019 11:03:42 +0700
From: Phong Tran <tranmanphong@...il.com>
To: tranmanphong@...il.com
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Subject: [PATCH V3 01/15] arm: perf: cleanup cppcheck shifting error
There is error from cppcheck tool
"Shifting signed 32-bit value by 31 bits is undefined behaviour errors"
change to use BIT() marco for improvement.
Signed-off-by: Phong Tran <tranmanphong@...il.com>
---
arch/arm/kernel/perf_event_v7.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index a4fb0f8b8f84..2924d7910b10 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -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
--
2.11.0
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