Re: [patch 05/21] x86/KVM: Convert to fpstate

Paolo Bonzini
2021-10-13T15:11:47Z

On 13/10/21 16:55, Thomas Gleixner wrote:
> Convert KVM code to the new register storage mechanism in preparation for
> dynamically sized buffers.
>
> No functional change.
>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: kvm@vger.kernel.org
> ---
> arch/x86/kvm/x86.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -10389,7 +10389,7 @@ int kvm_arch_vcpu_ioctl_get_fpu(struct k
>
> vcpu_load(vcpu);
>
> - fxsave = &vcpu->arch.guest_fpu->state.fxsave;
> + fxsave = &vcpu->arch.guest_fpu->fpstate->regs.fxsave;
> memcpy(fpu->fpr, fxsave->st_space, 128);
> fpu->fcw = fxsave->cwd;
> fpu->fsw = fxsave->swd;
> @@ -10412,7 +10412,7 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct k
>
> vcpu_load(vcpu);
>
> - fxsave = &vcpu->arch.guest_fpu->state.fxsave;
> + fxsave = &vcpu->arch.guest_fpu->fpstate->regs.fxsave;
>
> memcpy(fxsave->st_space, fpu->fpr, 128);
> fxsave->cwd = fpu->fcw;
>

Acked-by: Paolo Bonzini <pbonzini@redhat.com>