[Qemu-ppc] [PULL 078/130] target-ppc: Update external_htab even when HTAB is managed by kernel

[Alexander Graf]

From: "Aneesh Kumar K.V" <address@hidden>

We will use this in later patches to make sure we use the right load
functions when copying hpte entries.

Signed-off-by: Aneesh Kumar K.V <address@hidden>
Signed-off-by: Alexander Graf <address@hidden>
---
 hw/ppc/spapr.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index c9dfc6c..0989ed6 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -741,6 +741,13 @@ static void spapr_cpu_reset(void *opaque)
     env->spr[SPR_HIOR] = 0;
 
     env->external_htab = (uint8_t *)spapr->htab;
+    if (kvm_enabled() && !env->external_htab) {
+        /*
+         * HV KVM, set external_htab to 1 so our ppc_hash64_load_hpte*
+         * functions do the right thing.
+         */
+        env->external_htab = (void *)1;
+    }
     env->htab_base = -1;
     env->htab_mask = HTAB_SIZE(spapr) - 1;
     env->spr[SPR_SDR1] = (target_ulong)(uintptr_t)spapr->htab |
-- 
1.8.1.4