From: Paolo Bonzini <pbonzini@redhat.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: Sean Christopherson <sean.j.christopherson@intel.com>,
Nadav Amit <nadav.amit@gmail.com>
Subject: [PATCH 0/2] KVM: x86/pmu: do not mask the value that is written to fixed PMUs
Date: Mon, 20 May 2019 17:42:29 +0200 [thread overview]
Message-ID: <1558366951-19259-1-git-send-email-pbonzini@redhat.com> (raw)
The first patch is a small refactoring to enforce masking of values
returned by RDPMC and RDMSR. The second patch fix pmu_intel.c to
behave the same as real hardware; this fixes the failing tests
introduced in kvm-unit-tests by "x86: PMU: Fix PMU counters masking".
(Nadav, this is just FYI. I am not CCing you on individual patches
to avoid problems with your corporate overlords, and I am not expecting
a review from you).
Paolo
Paolo Bonzini (2):
KVM: x86/pmu: mask the result of rdpmc according to the width of the
counters
KVM: x86/pmu: do not mask the value that is written to fixed PMUs
arch/x86/kvm/pmu.c | 10 +++-------
arch/x86/kvm/pmu.h | 3 ++-
arch/x86/kvm/pmu_amd.c | 2 +-
arch/x86/kvm/vmx/pmu_intel.c | 26 +++++++++++++++++---------
4 files changed, 23 insertions(+), 18 deletions(-)
--
1.8.3.1
next reply other threads:[~2019-05-20 15:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-20 15:42 Paolo Bonzini [this message]
2019-05-20 15:42 ` [PATCH 1/2] KVM: x86/pmu: mask the result of rdpmc according to the width of the counters Paolo Bonzini
2019-05-20 15:42 ` [PATCH 2/2] KVM: x86/pmu: do not mask the value that is written to fixed PMUs Paolo Bonzini
2019-05-20 19:01 ` Sean Christopherson
2019-05-22 10:27 ` Paolo Bonzini
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