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: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com> Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Reviewed-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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@ -1445,6 +1445,18 @@ static int spapr_post_load(void *opaque, int version_id)
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err = spapr_rtc_import_offset(&spapr->rtc, spapr->rtc_offset);
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}
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if (spapr->patb_entry) {
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PowerPCCPU *cpu = POWERPC_CPU(first_cpu);
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bool radix = !!(spapr->patb_entry & PATBE1_GR);
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bool gtse = !!(cpu->env.spr[SPR_LPCR] & LPCR_GTSE);
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err = kvmppc_configure_v3_mmu(cpu, radix, gtse, spapr->patb_entry);
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if (err) {
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error_report("Process table config unsupported by the host");
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return -EINVAL;
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}
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}
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return err;
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}
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