diff options
| author | Like Xu <likexu@tencent.com> | 2022-01-26 17:22:25 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-01 17:25:40 +0100 |
| commit | e92cac1dd803aca5bc326ec22bdcd4f56855d7ce (patch) | |
| tree | 73a563b37d9c683a461f9c117cc8b56664007c02 /arch/arm64/kernel | |
| parent | 6b55af102b39bf85700ae760080695487df2445a (diff) | |
KVM: x86: Update vCPU's runtime CPUID on write to MSR_IA32_XSS
commit 4c282e51e4450b94680d6ca3b10f830483b1f243 upstream.
Do a runtime CPUID update for a vCPU if MSR_IA32_XSS is written, as the
size in bytes of the XSAVE area is affected by the states enabled in XSS.
Fixes: 203000993de5 ("kvm: vmx: add MSR logic for XSAVES")
Cc: stable@vger.kernel.org
Signed-off-by: Like Xu <likexu@tencent.com>
[sean: split out as a separate patch, adjust Fixes tag]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220126172226.2298529-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm64/kernel')
0 files changed, 0 insertions, 0 deletions