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-rw-r--r--target-ppc/kvm.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 0b5d391403..e2f8b0303f 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -1033,9 +1033,22 @@ int kvm_arch_get_registers(CPUState *cs)
/* Sync SLB */
#ifdef TARGET_PPC64
+ /*
+ * The packed SLB array we get from KVM_GET_SREGS only contains
+ * information about valid entries. So we flush our internal
+ * copy to get rid of stale ones, then put all valid SLB entries
+ * back in.
+ */
+ memset(env->slb, 0, sizeof(env->slb));
for (i = 0; i < 64; i++) {
- ppc_store_slb(env, sregs.u.s.ppc64.slb[i].slbe,
- sregs.u.s.ppc64.slb[i].slbv);
+ target_ulong rb = sregs.u.s.ppc64.slb[i].slbe;
+ target_ulong rs = sregs.u.s.ppc64.slb[i].slbv;
+ /*
+ * Only restore valid entries
+ */
+ if (rb & SLB_ESID_V) {
+ ppc_store_slb(env, rb, rs);
+ }
}
#endif