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

From: Paolo Bonzini
Date: Wed Oct 13 2021 - 11:11:49 EST


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@xxxxxxxxxxxxx>
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: kvm@xxxxxxxxxxxxxxx
---
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@xxxxxxxxxx>