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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>
This commit is contained in:
Bharata B Rao 2017-06-12 11:02:35 +05:30 committed by David Gibson
parent 3a38429748
commit d39c90f5f3
1 changed files with 12 additions and 0 deletions
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12
hw/ppc/spapr.c
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@ -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;
}