diff options
author | Christian Borntraeger <borntraeger@de.ibm.com> | 2012-02-06 04:59:02 -0500 |
---|---|---|
committer | Avi Kivity <avi@redhat.com> | 2012-03-08 07:10:13 -0500 |
commit | 851755871c1f3184f4124c466e85881f17fa3226 (patch) | |
tree | bd65d3f5f13b7897420724ae22ed2c6c76fbc902 | |
parent | 6dbf79e7164e9a86c1e466062c48498142ae6128 (diff) |
KVM: s390: Sanitize fpc registers for KVM_SET_FPU
commit 7eef87dc99e419b1cc051e4417c37e4744d7b661 (KVM: s390: fix
register setting) added a load of the floating point control register
to the KVM_SET_FPU path. Lets make sure that the fpc is valid.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r-- | arch/s390/kvm/kvm-s390.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 0b91679369bc..121316ef2e15 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c | |||
@@ -460,7 +460,7 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, | |||
460 | int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) | 460 | int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) |
461 | { | 461 | { |
462 | memcpy(&vcpu->arch.guest_fpregs.fprs, &fpu->fprs, sizeof(fpu->fprs)); | 462 | memcpy(&vcpu->arch.guest_fpregs.fprs, &fpu->fprs, sizeof(fpu->fprs)); |
463 | vcpu->arch.guest_fpregs.fpc = fpu->fpc; | 463 | vcpu->arch.guest_fpregs.fpc = fpu->fpc & FPC_VALID_MASK; |
464 | restore_fp_regs(&vcpu->arch.guest_fpregs); | 464 | restore_fp_regs(&vcpu->arch.guest_fpregs); |
465 | return 0; | 465 | return 0; |
466 | } | 466 | } |