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KVM: x86: svm: report MSR_IA32_MCG_EXT_CTL as unsupported
authorVitaly Kuznetsov <vkuznets@redhat.com>
Wed, 19 Dec 2018 11:06:13 +0000 (12:06 +0100)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 21 Dec 2018 10:28:20 +0000 (11:28 +0100)
commit2b80ac1cf1f0b3727efb8a9c375a701e57d53ebb
treed98400298b3a71187f93fe257d298175e00da2f6tree | snapshot
parentd6f3dfdb26d6901ccbfa335143f2c2f61fd04b26commit | diff
KVM: x86: svm: report MSR_IA32_MCG_EXT_CTL as unsupported

AMD doesn't seem to implement MSR_IA32_MCG_EXT_CTL and svm code in kvm
knows nothing about it, however, this MSR is among emulated_msrs and
thus returned with KVM_GET_MSR_INDEX_LIST. The consequent KVM_GET_MSRS,
of course, fails.

Report the MSR as unsupported to not confuse userspace.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
arch/x86/kvm/svm.c diff | blob | history
Linux Kernel Source Tree.