[tip:x86/urgent] percpu, x86: Avoid warnings of unused variables in per cpu

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Commit-ID:  23b764d056bfec0a212a67229074ac281e86e021
Gitweb:     http://git.kernel.org/tip/23b764d056bfec0a212a67229074ac281e86e021
Author:     Andi Kleen <andi@xxxxxxxxxxxxxx>
AuthorDate: Thu, 10 Jun 2010 13:10:36 +0200
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Fri, 11 Jun 2010 00:03:45 +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>
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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