Commit d39c90f5 authored by Bharata B Rao's avatar Bharata B Rao Committed by David Gibson
Browse files

spapr: Fix migration of Radix guests



Fix migration of radix guests by ensuring that we issue
KVM_PPC_CONFIGURE_V3_MMU for radix case post migration.

Reported-by: default avatarNageswara R Sastry <rnsastry@linux.vnet.ibm.com>
Signed-off-by: default avatarBharata B Rao <bharata@linux.vnet.ibm.com>
Reviewed-by: default avatarSuraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent 3a384297
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+12 −0
Original line number Diff line number Diff line
@@ -1445,6 +1445,18 @@ 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;
}