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author | Christian Borntraeger <borntraeger@de.ibm.com> | 2012-02-06 10:59:02 +0100 |
---|---|---|
committer | Avi Kivity <avi@redhat.com> | 2012-03-08 14:10:13 +0200 |
commit | 851755871c1f3184f4124c466e85881f17fa3226 (patch) | |
tree | bd65d3f5f13b7897420724ae22ed2c6c76fbc902 /arch | |
parent | 6dbf79e7164e9a86c1e466062c48498142ae6128 (diff) | |
download | op-kernel-dev-851755871c1f3184f4124c466e85881f17fa3226.zip op-kernel-dev-851755871c1f3184f4124c466e85881f17fa3226.tar.gz |
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>
Diffstat (limited to 'arch')
-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 0b91679..121316e 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, int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) { memcpy(&vcpu->arch.guest_fpregs.fprs, &fpu->fprs, sizeof(fpu->fprs)); - vcpu->arch.guest_fpregs.fpc = fpu->fpc; + vcpu->arch.guest_fpregs.fpc = fpu->fpc & FPC_VALID_MASK; restore_fp_regs(&vcpu->arch.guest_fpregs); return 0; } |