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@linux.intel.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index 0797e748d2801839fecf63915a8d2d857347884c..cd28f9ad910d1a8bc83fa0c4c6d1f1ca907e042f 100644 (file)
--- 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:                                                         \