[PATCH] KVM: x86: allow KVM_STATE_NESTED_MTF_PENDING in kvm_state flags

[PATCH] KVM: x86: allow KVM_STATE_NESTED_MTF_PENDING in kvm_state flags

[Paolo Bonzini]

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@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.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

Re: [PATCH] KVM: x86: allow KVM_STATE_NESTED_MTF_PENDING in kvm_state flags

[Oliver Upton]

On Tue, May 19, 2020 at 11:07 AM Paolo Bonzini <pbonzini@redhat.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@vger.kernel.org
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Oliver Upton <oupton@google.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
>

Re: [PATCH] KVM: x86: allow KVM_STATE_NESTED_MTF_PENDING in kvm_state flags

[Vitaly Kuznetsov]

Paolo Bonzini <pbonzini@redhat.com> writes:

> 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@vger.kernel.org
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.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.  */

Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>

-- 
Vitaly