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Diffstat (limited to 'arch/ia64/sn/kernel/sn2/sn_hwperf.c')
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_hwperf.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 30862c0..2de41d4 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -615,11 +615,15 @@ static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info)
}
}
- if (cpu == SN_HWPERF_ARG_ANY_CPU || cpu == get_cpu()) {
- /* don't care, or already on correct cpu */
+ if (cpu == SN_HWPERF_ARG_ANY_CPU) {
+ /* don't care which cpu */
sn_hwperf_call_sal(op_info);
- }
- else {
+ } else if (cpu == get_cpu()) {
+ /* already on correct cpu */
+ sn_hwperf_call_sal(op_info);
+ put_cpu();
+ } else {
+ put_cpu();
if (use_ipi) {
/* use an interprocessor interrupt to call SAL */
smp_call_function_single(cpu, sn_hwperf_call_sal,