On Wed, 2017-05-24 at 10:23 +0530, Bharata B Rao wrote:
> Fix migration of radix guests by ensuring that we issue
> KVM_PPC_CONFIGURE_V3_MMU for radix case post migration.
>
> Reported-by: Nageswara R Sastry <rnsas...@linux.vnet.ibm.com>
> Signed-off-by: Bharata B Rao <bhar...@linux.vnet.ibm.com>
Reviewed-by: Suraj Jitindar Singh <sjitindarsi...@gmail.com>
> ---
> hw/ppc/spapr.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index daf335c..ea14bed 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -1400,6 +1400,18 @@ static int spapr_post_load(void *opaque, int
> version_id)
> err = spapr_rtc_import_offset(&spapr->rtc, spapr-
> >rtc_offset);
> }
>
> + if (spapr->patb_entry) {
> + PowerPCCPU *cpu = POWERPC_CPU(first_cpu);
> + bool radix = !!(spapr->patb_entry & PATBE1_GR);
> + bool gtse = !!(cpu->env.spr[SPR_LPCR] & LPCR_GTSE);
> +
> + err = kvmppc_configure_v3_mmu(cpu, radix, gtse, spapr-
> >patb_entry);
> + if (err) {
> + error_report("Process table config unsupported by the
> host");
> + return -EINVAL;
> + }
> + }
> +
> return err;
> }
>
