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[-V8,2/3] target-ppc: Update external_htab even when HTAB is managed by kernel

Message ID 1387819381-26354-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com
State New
Headers show

Commit Message

Aneesh Kumar K.V Dec. 23, 2013, 5:23 p.m. UTC 
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>

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 <aneesh.kumar@linux.vnet.ibm.com>
---
 hw/ppc/spapr.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index e99a66170661..3c0f29c99820 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -730,6 +730,13 @@  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;
     /*
      * htab_mask is the mask used to normalize hash value to PTEG index.