linux-kernel - [PATCH 2/2] perf: Use __weak definition from <linux/compiler.h>

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Date:	Thu, 28 Jul 2016 10:05:57 +0800
From:	Rui Teng <rui.teng@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...hat.com, alexander.shishkin@...ux.intel.com,
	peterz@...radead.org, Arnaldo Carvalho de Melo <acme@...nel.org>,
	Rui Teng <rui.teng@...ux.vnet.ibm.com>
Subject: [PATCH 2/2] perf: Use __weak definition from <linux/compiler.h>

Replace __attribute__((weak)) to __weak definition

Signed-off-by: Rui Teng <rui.teng@...ux.vnet.ibm.com>
---
 tools/perf/util/header.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 8d76d55..576addd 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -830,8 +830,7 @@ static int write_group_desc(int fd, struct perf_header *h __maybe_unused,
  * default get_cpuid(): nothing gets recorded
  * actual implementation must be in arch/$(ARCH)/util/header.c
  */
-int __attribute__ ((weak)) get_cpuid(char *buffer __maybe_unused,
-				     size_t sz __maybe_unused)
+int __weak get_cpuid(char *buffer __maybe_unused, size_t sz __maybe_unused)
 {
 	return -1;
 }
-- 
2.7.4