]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
perf/x86/intel/lbr: Use setup_clear_cpu_cap() instead of clear_cpu_cap()
authorMaxim Levitsky <mlevitsk@redhat.com>
Mon, 18 Jul 2022 14:11:19 +0000 (17:11 +0300)
committerPeter Zijlstra <peterz@infradead.org>
Thu, 20 Oct 2022 15:10:28 +0000 (17:10 +0200)
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
arch/x86/events/intel/lbr.c

index 4fce1a4226e3de27721997811289f9635410e1ee..8259d725054d0cd0c039023c8015b12fba6dabfc 100644 (file)
@@ -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);
 }
 
 /**