On 09.03.20 16:00, Christian Borntraeger wrote:
> When we do the initial CPU reset we must not only clear the registers
> in the internal data structures but also in kvm_run sync_regs. For
> modern userspace sync_regs is the only place that it looks at.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 7de3f1423ff943 ("KVM: s390: Add new reset vcpu API")
> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> ---
> arch/s390/kvm/kvm-s390.c | 18 +++++++++++++++++-
> 1 file changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
> index 6b1842a9feed..81f54ddedb3d 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -3529,7 +3529,10 @@ static void kvm_arch_vcpu_ioctl_initial_reset(struct kvm_vcpu *vcpu)
> /* Initial reset is a superset of the normal reset */
> kvm_arch_vcpu_ioctl_normal_reset(vcpu);
>
> - /* this equals initial cpu reset in pop, but we don't switch to ESA */
> + /*
> + * This equals initial cpu reset in pop, but we don't switch to ESA.
> + * We do not even reset the internal data, but also ...
s/even/only ?
--
Thanks,
David / dhildenb
