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From 6bdff9954d46304a278bff833ecb15450c19c4f5 Mon Sep 17 00:00:00 2001
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From: Dr. David Alan Gilbert (git) <dgilbert@redhat.com>
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Date: Thu, 8 May 2014 11:52:12 +0200
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Subject: [PATCH 05/13] Disallow outward migration while awaiting incoming migration
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Dr. David Alan Gilbert (git) <dgilbert@redhat.com>
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Message-id: <1399549932-9977-1-git-send-email-dgilbert@redhat.com>
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Patchwork-id: 58747
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O-Subject: [RHEL7.1 qemu-kvm PATCH 1/1] Disallow outward migration while awaiting incoming migration
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Bugzilla: 1086987
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RH-Acked-by: Amos Kong <akong@redhat.com>
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RH-Acked-by: Juan Quintela <quintela@redhat.com>
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RH-Acked-by: Markus Armbruster <armbru@redhat.com>
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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
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bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1086987
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brew: https://brewweb.devel.redhat.com/taskinfo?taskID=7432751
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upstream: ca99993adc9205c905dba5dc1bb819959ada7200
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QEMU will assert if you attempt to start an outgoing migration on
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a QEMU that's sitting waiting for an incoming migration (started
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with -incoming), so disallow it with a proper error.
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(This is a fix for https://bugzilla.redhat.com/show_bug.cgi?id=1086987 )
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Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Reviewed-by: Andreas Färber <afaerber@suse.de>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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Signed-off-by: Juan Quintela <quintela@redhat.com>
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(cherry picked from commit ca99993adc9205c905dba5dc1bb819959ada7200)
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---
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migration.c | 5 +++++
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1 file changed, 5 insertions(+)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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migration.c | 5 +++++
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1 files changed, 5 insertions(+), 0 deletions(-)
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diff --git a/migration.c b/migration.c
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index 7efbd25..44b993a 100644
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--- a/migration.c
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+++ b/migration.c
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@@ -430,6 +430,11 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
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return;
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}
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+ if (runstate_check(RUN_STATE_INMIGRATE)) {
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+ error_setg(errp, "Guest is waiting for an incoming migration");
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+ return;
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+ }
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+
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if (qemu_savevm_state_blocked(errp)) {
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return;
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}
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--
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1.7.1
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