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authorJim Mattson <jmattson@google.com>2022-02-02 17:48:13 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-02-23 12:01:05 +0100
commitfb00319afb72be8f7b2661b91293f005af00d775 (patch)
tree2ff8c265c6248a9b85ebddcb482c2d737c8d03cc /arch/x86
parent0ee4bb8ce8b8279a2fa811efccc9422d0b6d9bff (diff)
KVM: x86/pmu: Use AMD64_RAW_EVENT_MASK for PERF_TYPE_RAW
[ Upstream commit 710c476514313c74045c41c0571bb5178fd16e3d ] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch/x86')
-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 2d91e39dbdf6..2f83b5d948b3 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -214,7 +214,7 @@ 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;