Commit 1c57572d authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Borislav Petkov
Browse files

x86/KVM: Convert to fpstate 



Convert KVM code to the new register storage mechanism in preparation for
dynamically sized buffers.

No functional change.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Acked-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org
Link: https://lkml.kernel.org/r/20211013145322.451439983@linutronix.de
parent 087df48c

arch/x86/kvm/x86.c

+2 −2
Original line number Diff line number Diff line
@@ -10403,7 +10403,7 @@ int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) 


	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;
@@ -10426,7 +10426,7 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) 


	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;