linux-kernel - Re: [PATCH] KVM: x86: allow KVM_STATE_NESTED_MTF_PENDING in kvm

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Message-ID: <CAOQ_Qsi7EZ6CYOrbCgZLmBFBaBgXWEu=50RrUROg8x5pyTy-SA@mail.gmail.com>
Date:   Tue, 19 May 2020 11:37:36 -0700
From:   Oliver Upton <oupton@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        kvm list <kvm@...r.kernel.org>, stable@...r.kernel.org
Subject: Re: [PATCH] KVM: x86: allow KVM_STATE_NESTED_MTF_PENDING in kvm_state flags

On Tue, May 19, 2020 at 11:07 AM Paolo Bonzini <pbonzini@...hat.com> wrote:
>
> The migration functionality was left incomplete in commit 5ef8acbdd687
> ("KVM: nVMX: Emulate MTF when performing instruction emulation", 2020-02-23),
> fix it.
>
> Fixes: 5ef8acbdd687 ("KVM: nVMX: Emulate MTF when performing instruction emulation")
> Cc: stable@...r.kernel.org
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
Reviewed-by: Oliver Upton <oupton@...gle.com>
> ---
>  arch/x86/kvm/x86.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 4f55a44951c3..0001b2addc66 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -4626,7 +4626,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
>
>                 if (kvm_state.flags &
>                     ~(KVM_STATE_NESTED_RUN_PENDING | KVM_STATE_NESTED_GUEST_MODE
> -                     | KVM_STATE_NESTED_EVMCS))
> +                     | KVM_STATE_NESTED_EVMCS | KVM_STATE_NESTED_MTF_PENDING))
>                         break;
>
>                 /* nested_run_pending implies guest_mode.  */
> --
> 2.18.2
>