KVM: Move INVPCID type check from vmx and svm to the common kvm_handle_invpcid()

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Handle #GP on INVPCID due to an invalid type in the common switch
statement instead of relying on the callers (VMX and SVM) to manually
validate the type.

Unlike INVVPID and INVEPT, INVPCID is not explicitly documented to check
the type before reading the operand from memory, so deferring the
type validity check until after that point is architecturally allowed.

Signed-off-by: Vipin Sharma <vipinsh@google.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20211109174426.2350547-3-vipinsh@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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This commit is contained in:

Vipin Sharma 2021-11-09 17:44:26 +00:00 • committed by Paolo Bonzini

parent 329bd56ce5

commit 796c83c58a

3 changed files with 2 additions and 11 deletions

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5

arch/x86/kvm/svm/svm.c

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5

arch/x86/kvm/vmx/vmx.c

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3

arch/x86/kvm/x86.c

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