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List: qemu-ppc
Subject: [Qemu-ppc] [PULL 07/21] spapr: Fix migration of Radix guests
From: David Gibson <david () gibson ! dropbear ! id ! au>
Date: 2017-06-30 10:46:18
Message-ID: 20170630104632.27942-8-david () gibson ! dropbear ! id ! au
[Download RAW message or body]
From: Bharata B Rao <bharata@linux.vnet.ibm.com>
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>
---
hw/ppc/spapr.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index f3e0b9b..6c276af 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -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;
}
--
2.9.4
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