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authorMaxim Levitsky <mlevitsk@redhat.com>2022-07-18 17:11:19 +0300
committerPeter Zijlstra <peterz@infradead.org>2022-10-20 17:10:28 +0200
commitb329f5ddc9ce4b622d9c7aaf5c6df4de52caf91a (patch)
tree1d1fa838b9c67ec956a8954fa3d268effd991312 /arch
parent883bbbffa5a4ffd1915f8b42934dab81b7f87226 (diff)
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perf/x86/intel/lbr: Use setup_clear_cpu_cap() instead of clear_cpu_cap()
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
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/events/intel/lbr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index 4fce1a4226e3..8259d725054d 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -1596,7 +1596,7 @@ 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);
}
/**