From 1184649e1fdd8e84867f0235bc00812984f731f5 Mon Sep 17 00:00:00 2001
From: Marcelo Tosatti <mtosatti@redhat.com>
Date: Mon, 1 Mar 2010 20:52:09 -0300
Subject: [PATCH 06/20] Do not allow vcpu stop with in progress PIO

RH-Author: Marcelo Tosatti <mtosatti@redhat.com>
Message-id: <dcacf4f34c97f143500477bace0d93ee0b5eeb85.1267476474.git.mtosatti@redhat.com>
Patchwork-id: 7348
O-Subject: [PATCH 07/21] Do not allow vcpu stop with in progress PIO
Bugzilla: 569613
RH-Acked-by: Glauber Costa <glommer@redhat.com>
RH-Acked-by: Gleb Natapov <gleb@redhat.com>
RH-Acked-by: Rik van Riel <riel@redhat.com>

Re-enter the kernel to complete in progress PIO. Otherwise the
operation can be lost during migration.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
(cherry picked from commit 64defc2b52571c5f891b018c8f2b70b10f3bb11c)
---
 qemu-kvm.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 qemu-kvm.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/qemu-kvm.c b/qemu-kvm.c
index f0918b3..caa7249 100644
--- a/qemu-kvm.c
+++ b/qemu-kvm.c
@@ -967,6 +967,7 @@ int kvm_run(CPUState *env)
                                 run->io.direction,
                                 run->io.size,
                                 run->io.count);
+            r = 0;
             break;
         case KVM_EXIT_DEBUG:
             r = handle_debug(env);
-- 
1.7.0.3