]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
KVM: x86/pmu: Use AMD64_RAW_EVENT_MASK for PERF_TYPE_RAW
authorJim Mattson <jmattson@google.com>
Thu, 3 Feb 2022 01:48:13 +0000 (17:48 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 23 Feb 2022 10:56:41 +0000 (11:56 +0100)
commit98b398b87033e16fc5f3350877b7c8ccc376d4d7
treeb84c7265388eff80e4c1677f3b8f2c497fbe726f
parentc460ef6e0596eb5ca844c45338c20f6023f1e43c
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>
arch/x86/kvm/pmu.c