Messages in this thread Patch in this message | | | From | Robert Richter <> | Subject | [PATCH 05/26] x86/oprofile: Use per_cpu() instead of __get_cpu_var() | Date | Tue, 28 Jul 2009 19:07:05 +0200 |
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__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> --- 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 } -- 1.6.3.3
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