qemu/0016-PPC-KVM-Disable-mmu-notifier-check..patch

From d94c5b635b26cbddef7880423b641f5595ce4c02 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Fri, 6 Jan 2012 01:05:55 +0100
Subject: [PATCH] PPC: KVM: Disable mmu notifier check

When using hugetlbfs (which is required for HV mode KVM on 970), we
check for MMU notifiers that on 970 can not be implemented properly.

So disable the check for mmu notifiers on PowerPC guests, making
KVM guests work there, even if possibly racy in some odd circumstances.
---
 exec.c |    2 ++
 1 Datei geändert, 2 Zeilen hinzugefügt(+)

diff --git a/exec.c b/exec.c
index 9458672..9f29d6c 100644
--- a/exec.c
+++ b/exec.c
@@ -862,10 +862,12 @@ static void *file_ram_alloc(RAMBlock *block,
         return NULL;
     }
 
+#ifndef TARGET_PPC
     if (kvm_enabled() && !kvm_has_sync_mmu()) {
         fprintf(stderr, "host lacks kvm mmu notifiers, -mem-path unsupported\n");
         return NULL;
     }
+#endif
 
     filename = g_strdup_printf("%s/qemu_back_mem.XXXXXX", path);