Re: [PATCH] KVM: x86/emulator: emulate movbe with operand-size prefix

From: Sean Christopherson
Date: Thu Feb 08 2024 - 19:23:15 EST


On Tue, 12 Dec 2023 10:59:37 +0100, Julian Stecklina wrote:
> The MOVBE instruction can come with an operand-size prefix (66h). In
> this, case the x86 emulation code returns EMULATION_FAILED.
>
> It turns out that em_movbe can already handle this case and all that
> is missing is an entry in respective opcode tables to populate
> gprefix->pfx_66.
>
> [...]

Applied to kvm-x86 misc, thanks! I have a KUT testcase for this now, I'll post
it at some point.

[1/1] KVM: x86/emulator: emulate movbe with operand-size prefix
https://github.com/kvm-x86/linux/commit/03f6298c7cf6

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