Messages in this thread | | | Subject | Re: [PATCH] KVM: X86: Fix the decoding of segment overrides in 64bit mode | From | Paolo Bonzini <> | Date | Thu, 22 Mar 2018 13:38:05 +0100 |
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On 22/03/2018 12:04, Andrew Cooper wrote: > We've got a Force Emulation Prefix (ud2a; .ascii "xen") for doing > magic. Originally, this was used for PV guests to explicitly request an > emulated CPUID, but I extended it to HVM guests for "emulate the next > instruction", after we had some guest user => guest kernel privilege > escalations because of incorrect emulation.
Wanpeng, why don't you add it behind a new kvm module parameter? :)
Paolo
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