[tip: x86/fpu] x86/KVM: Convert to fpstate

tip-bot2 for Thomas Gleixner
2021-10-21T15:12:47Z

The following commit has been merged into the x86/fpu branch of tip:

Commit-ID: 1c57572d754fc54e0b8ac0df5350969ce6292d12
Gitweb: https://git.kernel.org/tip/1c57572d754fc54e0b8ac0df5350969ce6292d12
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Wed, 13 Oct 2021 16:55:33 +02:00
Committer: Borislav Petkov <bp@suse.de>
CommitterDate: Wed, 20 Oct 2021 22:34:14 +02:00

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: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org
Link: https://lkml.kernel.org/r/20211013145322.451439983@linutronix.de
---
arch/x86/kvm/x86.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 96936a2..0eb1021 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -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;