From: Maxim Levitsky mlevitsk@redhat.com
[ Upstream commit b329f5ddc9ce4b622d9c7aaf5c6df4de52caf91a ]
clear_cpu_cap(&boot_cpu_data) is very similar to setup_clear_cpu_cap() except that the latter also sets a bit in 'cpu_caps_cleared' which later clears the same cap in secondary cpus, which is likely what is meant here.
Fixes: 47125db27e47 ("perf/x86/intel/lbr: Support Architectural LBR") Signed-off-by: Maxim Levitsky mlevitsk@redhat.com Signed-off-by: Peter Zijlstra (Intel) peterz@infradead.org Reviewed-by: Kan Liang kan.liang@linux.intel.com Link: https://lkml.kernel.org/r/20220718141123.136106-2-mlevitsk@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/x86/events/intel/lbr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c index 42173a7be3bb..4b6c39c5facb 100644 --- a/arch/x86/events/intel/lbr.c +++ b/arch/x86/events/intel/lbr.c @@ -1847,7 +1847,7 @@ void __init intel_pmu_arch_lbr_init(void) return;
clear_arch_lbr: - clear_cpu_cap(&boot_cpu_data, X86_FEATURE_ARCH_LBR); + setup_clear_cpu_cap(X86_FEATURE_ARCH_LBR); }
/**