From 5f3d2969b85b5e679b6d110d180500914a499993 Mon Sep 17 00:00:00 2001
From: Laszlo Ersek <lersek@redhat.com>
Date: Mon, 12 Aug 2013 15:59:35 +0200
Subject: dump: Abstract dump_init() with cpu_synchronize_all_states()

RH-Author: Laszlo Ersek <lersek@redhat.com>
Message-id: <1376323180-12863-6-git-send-email-lersek@redhat.com>
Patchwork-id: 53164
O-Subject: [RHEL-7 qemu-kvm PATCH 05/10] dump: Abstract dump_init() with cpu_synchronize_all_states()
Bugzilla: 981582
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Radim Krcmar <rkrcmar@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>

From: Andreas Färber <afaerber@suse.de>

Instead of calling cpu_synchronize_state() for each CPU, call the
existing cpu_synchronize_all_states() helper.

Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
(cherry picked from commit 1b3509ca5bbd8e7d2be92ac42196a3ee2e31cb03)
Signed-off-by: Laszlo Ersek <lersek@redhat.com>

diff --git a/dump.c b/dump.c
index c0d3da5..87ca12c 100644
--- a/dump.c
+++ b/dump.c
@@ -21,6 +21,7 @@
 #include "sysemu/dump.h"
 #include "sysemu/sysemu.h"
 #include "sysemu/memory_mapping.h"
+#include "sysemu/cpus.h"
 #include "qapi/error.h"
 #include "qmp-commands.h"
 
@@ -731,12 +732,12 @@ static int dump_init(DumpState *s, int fd, bool paging, bool has_filter,
      * If the target architecture is not supported, cpu_get_dump_info() will
      * return -1.
      *
-     * if we use kvm, we should synchronize the register before we get dump
+     * If we use KVM, we should synchronize the registers before we get dump
      * info.
      */
+    cpu_synchronize_all_states();
     nr_cpus = 0;
     for (env = first_cpu; env != NULL; env = env->next_cpu) {
-        cpu_synchronize_state(env);
         nr_cpus++;
     }