linux-kernel - [PATCH v6 01/21] perf arm-spe: Include bitops.h for BIT() macro

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Date:   Fri, 30 Oct 2020 10:57:04 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Andre Przywara <andre.przywara@....com>,
        James Clark <james.clark@....com>,
        Dave Martin <Dave.Martin@....com>, Al Grant <Al.Grant@....com>,
        Wei Li <liwei391@...wei.com>, linux-kernel@...r.kernel.org
Cc:     Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v6 01/21] perf arm-spe: Include bitops.h for BIT() macro

Include header linux/bitops.h, directly use its BIT() macro and remove
the self defined macros.

Signed-off-by: Leo Yan <leo.yan@...aro.org>
Reviewed-by: Andre Przywara <andre.przywara@....com>
---
 tools/perf/util/arm-spe-decoder/arm-spe-decoder.c     | 5 +----
 tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c | 3 +--
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
index 93e063f22be5..cc18a1e8c212 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
@@ -12,6 +12,7 @@
 #include <string.h>
 #include <stdint.h>
 #include <stdlib.h>
+#include <linux/bitops.h>
 #include <linux/compiler.h>
 #include <linux/zalloc.h>
 
@@ -21,10 +22,6 @@
 
 #include "arm-spe-decoder.h"
 
-#ifndef BIT
-#define BIT(n)		(1UL << (n))
-#endif
-
 static u64 arm_spe_calc_ip(int index, u64 payload)
 {
 	u8 *addr = (u8 *)&payload;
diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
index b94001b756c7..46ddb53a6457 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
@@ -8,11 +8,10 @@
 #include <string.h>
 #include <endian.h>
 #include <byteswap.h>
+#include <linux/bitops.h>
 
 #include "arm-spe-pkt-decoder.h"
 
-#define BIT(n)		(1ULL << (n))
-
 #define NS_FLAG		BIT(63)
 #define EL_FLAG		(BIT(62) | BIT(61))
 
-- 
2.17.1