Re: [PULL 10/30] ppc/spapr: H_ENTER_NESTED should restore host XER ca field

[Michael Tokarev]

26.06.2023 08:56, Cédric Le Goater wrote:
> From: Nicholas Piggin <npiggin@gmail.com>
>
> Fix missing env->ca restore when going from L2 back to the host.
>
> Fixes: 120f738a467 ("spapr: implement nested-hv capability for the virtual 
> hypervisor")
> Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
> Signed-off-by: Cédric Le Goater <clg@kaod.org>
> ---
>   hw/ppc/spapr_hcall.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
> index b9047555757f..0582b524d108 100644
> --- a/hw/ppc/spapr_hcall.c
> +++ b/hw/ppc/spapr_hcall.c
> @@ -1773,6 +1773,7 @@ out_restore_l1:
>       env->cfar = spapr_cpu->nested_host_state->cfar;
>       env->xer = spapr_cpu->nested_host_state->xer;
>       env->so = spapr_cpu->nested_host_state->so;
> +    env->ca = spapr_cpu->nested_host_state->ca;
>       env->ov = spapr_cpu->nested_host_state->ov;
>       env->ov32 = spapr_cpu->nested_host_state->ov32;
>       env->ca32 = spapr_cpu->nested_host_state->ca32;

Is it -stable material too, or don't bother?
120f738a467 is 7.0.

Thanks,

/mjt