[tip:x86/urgent] percpu, x86: Avoid warnings of unused variables in per cpu
From: tip-bot for Andi Kleen
Date: Thu Jun 10 2010 - 08:25:26 EST
Commit-ID: 157a9df3b0f8042f1a6a4fe9e0e494431aaca1ae
Gitweb: http://git.kernel.org/tip/157a9df3b0f8042f1a6a4fe9e0e494431aaca1ae
Author: Andi Kleen <andi@xxxxxxxxxxxxxx>
AuthorDate: Thu, 10 Jun 2010 13:10:36 +0200
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Thu, 10 Jun 2010 14:09:30 +0200
percpu, x86: Avoid warnings of unused variables in per cpu
Avoid hundreds of warnings with a gcc 4.6 -Wall build.
Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
LKML-Reference: <4C10C930.9080900@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
arch/x86/include/asm/percpu.h | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index 0797e74..cd28f9a 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -77,6 +77,7 @@ do { \
if (0) { \
pto_T__ pto_tmp__; \
pto_tmp__ = (val); \
+ (void)pto_tmp__; \
} \
switch (sizeof(var)) { \
case 1: \
@@ -115,6 +116,7 @@ do { \
if (0) { \
pao_T__ pao_tmp__; \
pao_tmp__ = (val); \
+ (void)pao_tmp__; \
} \
switch (sizeof(var)) { \
case 1: \
--
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