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SubjectRe: [PATCH v8 4/4] kvm: vmx: virtualize split lock detection
Date
Xiaoyao Li <xiaoyao.li@intel.com> writes:

> Due to the fact that TEST_CTRL MSR is per-core scope, i.e., the sibling
> threads in the same physical CPU core share the same MSR, only
> advertising feature split lock detection to guest when SMT is disabled
> or unsupported, for simplicitly.

That's not for simplicity. It's for correctness because you cannot
provide consistent state to a guest.

Thanks,

tglx

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