On Thu, 16 Feb 2023 12:22:54 -0800, Sean Christopherson wrote:
> Yell loudly if KVM attempts to load CS outside of Real Mode without an
> accompanying control transfer type, i.e. on X86_TRANSFER_NONE. KVM uses
> X86_TRANSFER_NONE when emulating IRET and exceptions/interrupts for Real
> Mode, but IRET emulation for Protected Mode is non-existent. WARN instead
> of trying to pass in a less-wrong type, e.g. X86_TRANSFER_RET, as
> emulating IRET goes even beyond emulating FAR RET (which KVM also doesn't
> fully support).
>
> [...]
Applied to kvm-x86 misc, thanks!
[1/1] KVM: x86: Assert that the emulator doesn't load CS with garbage in !RM
https://github.com/kvm-x86/linux/commit/65966aaca18a
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https://github.com/kvm-x86/linux/tree/next
https://github.com/kvm-x86/linux/tree/fixes
