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| author | Robert Richter <robert.richter@amd.com> | 2009-07-09 16:29:34 +0200 |
|---|---|---|
| committer | Robert Richter <robert.richter@amd.com> | 2009-07-20 16:43:18 +0200 |
| commit | 82a225283fb0d9438549595d9e6f3ecc42b42ad6 (patch) | |
| tree | 930e6ae4897b4d142127ff6b627b30445d27c77f | |
| parent | 5e766e3e433fa2d5d2fdfd8e2432804c91393387 (diff) | |
| download | op-kernel-dev-82a225283fb0d9438549595d9e6f3ecc42b42ad6.zip op-kernel-dev-82a225283fb0d9438549595d9e6f3ecc42b42ad6.tar.gz | |
x86/oprofile: Use per_cpu() instead of __get_cpu_var()
__get_cpu_var() calls smp_processor_id(). When the cpu id is already
known, instead use per_cpu() to avoid generating the id again.
Signed-off-by: Robert Richter <robert.richter@amd.com>
| -rw-r--r-- | arch/x86/oprofile/nmi_int.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index e54f6a0..8cd4658 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -294,7 +294,7 @@ static void nmi_cpu_shutdown(void *dummy) { unsigned int v; int cpu = smp_processor_id(); - struct op_msrs *msrs = &__get_cpu_var(cpu_msrs); + struct op_msrs *msrs = &per_cpu(cpu_msrs, cpu); /* restoring APIC_LVTPC can trigger an apic error because the delivery * mode and vector nr combination can be illegal. That's by design: on @@ -307,7 +307,7 @@ static void nmi_cpu_shutdown(void *dummy) apic_write(APIC_LVTERR, v); nmi_cpu_restore_registers(msrs); #ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX - __get_cpu_var(switch_index) = 0; + per_cpu(switch_index, cpu) = 0; #endif } |
