Messages in this thread | | | From | Jim Mattson <> | Date | Mon, 6 Jan 2020 12:19:53 -0800 | Subject | Re: [PATCH v2 13/13] KVM: x86: Protect pmu_intel.c from Spectre-v1/L1TF attacks |
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On Wed, Dec 11, 2019 at 12:49 PM Marios Pomonis <pomonis@google.com> wrote: > > This fixes Spectre-v1/L1TF vulnerabilities in intel_find_fixed_event() > and intel_rdpmc_ecx_to_pmc(). > kvm_rdpmc() (ancestor of intel_find_fixed_event()) and > reprogram_fixed_counter() (ancestor of intel_rdpmc_ecx_to_pmc()) are > exported symbols so KVM should treat them conservatively from a security > perspective. > > Fixes: commit 25462f7f5295 ("KVM: x86/vPMU: Define kvm_pmu_ops to support vPMU function dispatch") > > Signed-off-by: Nick Finco <nifi@google.com> > Signed-off-by: Marios Pomonis <pomonis@google.com> > Reviewed-by: Andrew Honig <ahonig@google.com> > Cc: stable@vger.kernel.org
Reviewed-by: Jim Mattson <jmattson@google.com>
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