On Fri, Dec 08, 2017 at 05:26:02PM +0100, David Hildenbrand wrote:
>
> >
> > int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
> > diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
> > index f647e121070e..cdf0be02c95a 100644
> > --- a/arch/powerpc/kvm/booke.c
> > +++ b/arch/powerpc/kvm/booke.c
> > @@ -1632,18 +1632,25 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
> > {
> > int ret;
> >
> > + vcpu_load(vcpu);
> > +
> > + ret = -EINVAL;
>
> you can initialize this directly.
>
> > if (vcpu->arch.pvr != sregs->pvr)
> > - return -EINVAL;
> > + goto out;
> >
> > ret = set_sregs_base(vcpu, sregs);
> > if (ret < 0)
> > - return ret;
> > + goto out;
> >
> > ret = set_sregs_arch206(vcpu, sregs);
> > if (ret < 0)
> > - return ret;
> > + goto out;
> > +
> > + ret = vcpu->kvm->arch.kvm_ops->set_sregs(vcpu, sregs);
> >
> > - return vcpu->kvm->arch.kvm_ops->set_sregs(vcpu, sregs);
> > +out:
> > + vcpu_put(vcpu);
> > + return ret;
> > }
> >
> > int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id,
> > diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
> > index 18011fc4ac49..d95b4f15e52b 100644
> > --- a/arch/s390/kvm/kvm-s390.c
> > +++ b/arch/s390/kvm/kvm-s390.c
> > @@ -2729,8 +2729,12 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
> > int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
> > struct kvm_sregs *sregs)
> > {
> > + vcpu_load(vcpu);
> > +
> > memcpy(&vcpu->run->s.regs.acrs, &sregs->acrs, sizeof(sregs->acrs));
> > memcpy(&vcpu->arch.sie_block->gcr, &sregs->crs, sizeof(sregs->crs));
> > +
> > + vcpu_put(vcpu);
> > return 0;
> > }
> >
> > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> > index 20a5f6776eea..a31a80aee0b9 100644
> > --- a/arch/x86/kvm/x86.c
> > +++ b/arch/x86/kvm/x86.c
> > @@ -7500,15 +7500,19 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
> > int mmu_reset_needed = 0;
> > int pending_vec, max_bits, idx;
> > struct desc_ptr dt;
> > + int ret;
> > +
> > + vcpu_load(vcpu);
> >
> > + ret = -EINVAL;
>
> dito
Sure.
>
>
> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
>
Thanks for the review!
-Christoffer
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