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authorJim Mattson <jmattson@google.com>2022-02-03 04:48:13 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2022-02-14 15:44:51 +0300
commit710c476514313c74045c41c0571bb5178fd16e3d (patch)
treec3e811d0b64487282206351137f3eaa2d04fff50 /arch
parentb8bfee85f1307426e0242d654f3a14c06ef639c5 (diff)
downloadlinux-710c476514313c74045c41c0571bb5178fd16e3d.tar.xz
KVM: x86/pmu: Use AMD64_RAW_EVENT_MASK for PERF_TYPE_RAW
AMD's event select is 3 nybbles, with the high nybble in bits 35:32 of a PerfEvtSeln MSR. Don't mask off the high nybble when configuring a RAW perf event. Fixes: ca724305a2b0 ("KVM: x86/vPMU: Implement AMD vPMU code for KVM") Signed-off-by: Jim Mattson <jmattson@google.com> Message-Id: <20220203014813.2130559-2-jmattson@google.com> Reviewed-by: David Dunn <daviddunn@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/pmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index cd923bad7aed..b1a02993782b 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -221,7 +221,7 @@ void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel)
}
if (type == PERF_TYPE_RAW)
- config = eventsel & X86_RAW_EVENT_MASK;
+ config = eventsel & AMD64_RAW_EVENT_MASK;
if (pmc->current_config == eventsel && pmc_resume_counter(pmc))
return;