File 0034-PPC-KVM-Disable-mmu-notifier-check.patch of Package qemu

Overview Repositories Revisions Requests Users Attributes Meta

File 0034-PPC-KVM-Disable-mmu-notifier-check.patch of Package qemu (Revision 8d232c9bca58a0e0de9054147f0fdccf)

Currently displaying revision 8d232c9bca58a0e0de9054147f0fdccf , Show latest

From 96ac7aa8753cb2d79121c5a579a6e93160428a40 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 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/exec.c b/exec.c
index 6c923f2..9f10868 100644
--- a/exec.c
+++ b/exec.c
@@ -2831,10 +2831,12 @@ 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
 
     if (asprintf(&filename, "%s/qemu_back_mem.XXXXXX", path) == -1) {
         return NULL;
-- 
1.6.0.2

Places

File 0034-PPC-KVM-Disable-mmu-notifier-check.patch of Package qemu (Revision 8d232c9bca58a0e0de9054147f0fdccf)

Places