https://github.com/torvalds/linux
Revision aae2e72229cdb21f90df2dbe4244c977e5d3265b authored by Jim Mattson on 22 September 2022, 23:18:54 UTC, committed by Paolo Bonzini on 30 September 2022, 10:38:01 UTC
The only thing reported by CPUID.9 is the value of
IA32_PLATFORM_DCA_CAP[31:0] in EAX. This MSR doesn't even exist in the
guest, since CPUID.1:ECX.DCA[bit 18] is clear in the guest.

Clear CPUID.9 in KVM_GET_SUPPORTED_CPUID.

Fixes: 24c82e576b78 ("KVM: Sanitize cpuid")
Signed-off-by: Jim Mattson <jmattson@google.com>
Message-Id: <20220922231854.249383-1-jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 parent 09636ef
History
Tip revision: aae2e72229cdb21f90df2dbe4244c977e5d3265b authored by Jim Mattson on 22 September 2022, 23:18:54 UTC
KVM: x86: Hide IA32_PLATFORM_DCA_CAP[31:0] from the guest
Tip revision: aae2e72
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.clang-format -rw-r--r-- 19.9 KB
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