{"id":810766,"url":"http://patchwork.ozlabs.org/api/patches/810766/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170906184133.25524-7-dgilbert@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170906184133.25524-7-dgilbert@redhat.com>","list_archive_url":null,"date":"2017-09-06T18:41:31","name":"[PULL,6/8] migration: Reset rather than destroy main_thread_load_event","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"c8b7412f7d9328bfa7118ebfadd864bb49a04564","submitter":{"id":48102,"url":"http://patchwork.ozlabs.org/api/people/48102/?format=json","name":"Dr. David Alan Gilbert","email":"dgilbert@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170906184133.25524-7-dgilbert@redhat.com/mbox/","series":[{"id":1865,"url":"http://patchwork.ozlabs.org/api/series/1865/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=1865","date":"2017-09-06T18:41:26","name":"[PULL,1/8] migration: Report when bdrv_inactivate_all fails","version":1,"mbox":"http://patchwork.ozlabs.org/series/1865/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/810766/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/810766/checks/","tags":{},"related":[],"headers":{"Return-Path":"<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)","ext-mx07.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com","ext-mx07.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=dgilbert@redhat.com"],"Received":["from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xnXct2BDsz9sRV\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu,  7 Sep 2017 04:47:10 +1000 (AEST)","from localhost ([::1]:37484 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dpfLw-0007Es-B6\n\tfor incoming@patchwork.ozlabs.org; Wed, 06 Sep 2017 14:47:08 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:57710)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <dgilbert@redhat.com>) id 1dpfGr-000359-I3\n\tfor qemu-devel@nongnu.org; Wed, 06 Sep 2017 14:41:58 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <dgilbert@redhat.com>) id 1dpfGo-0001rl-Ej\n\tfor qemu-devel@nongnu.org; Wed, 06 Sep 2017 14:41:53 -0400","from mx1.redhat.com ([209.132.183.28]:45896)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <dgilbert@redhat.com>) id 1dpfGo-0001rF-8x\n\tfor qemu-devel@nongnu.org; Wed, 06 Sep 2017 14:41:50 -0400","from smtp.corp.redhat.com\n\t(int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 29868C04B941\n\tfor <qemu-devel@nongnu.org>; Wed,  6 Sep 2017 18:41:49 +0000 (UTC)","from dgilbert-t530.redhat.com (ovpn-117-207.ams2.redhat.com\n\t[10.36.117.207])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 00A905D6A0;\n\tWed,  6 Sep 2017 18:41:47 +0000 (UTC)"],"DMARC-Filter":"OpenDMARC Filter v1.3.2 mx1.redhat.com 29868C04B941","From":"\"Dr. David Alan Gilbert (git)\" <dgilbert@redhat.com>","To":"qemu-devel@nongnu.org","Date":"Wed,  6 Sep 2017 19:41:31 +0100","Message-Id":"<20170906184133.25524-7-dgilbert@redhat.com>","In-Reply-To":"<20170906184133.25524-1-dgilbert@redhat.com>","References":"<20170906184133.25524-1-dgilbert@redhat.com>","X-Scanned-By":"MIMEDefang 2.79 on 10.5.11.15","X-Greylist":"Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.31]);\n\tWed, 06 Sep 2017 18:41:49 +0000 (UTC)","X-detected-operating-system":"by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]","X-Received-From":"209.132.183.28","Subject":"[Qemu-devel] [PULL 6/8] migration: Reset rather than destroy\n\tmain_thread_load_event","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"<qemu-devel.nongnu.org>","List-Unsubscribe":"<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>","List-Archive":"<http://lists.nongnu.org/archive/html/qemu-devel/>","List-Post":"<mailto:qemu-devel@nongnu.org>","List-Help":"<mailto:qemu-devel-request@nongnu.org?subject=help>","List-Subscribe":"<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>","Cc":"kwolf@redhat.com, armbru@redhat.com, peterx@redhat.com,\n\tquintela@redhat.com","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>"},"content":"From: \"Dr. David Alan Gilbert\" <dgilbert@redhat.com>\n\nmigration_incoming_state_destroy doesn't really destroy, it cleans up.\nAfter a loadvm it's called, but the loadvm command can be run twice,\nand so destroying an init-once mutex breaks on the second loadvm.\n\nReported-by: Stafford Horne <shorne@gmail.com>\nSigned-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>\nMessage-Id: <20170825141940.20740-2-dgilbert@redhat.com>\nReviewed-by: Peter Xu <peterx@redhat.com>\nTested-by: Stafford Horne <shorne@gmail.com>\nSigned-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>\n---\n migration/migration.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)","diff":"diff --git a/migration/migration.c b/migration/migration.c\nindex 1a2b3ebd1a..9838ccc885 100644\n--- a/migration/migration.c\n+++ b/migration/migration.c\n@@ -166,7 +166,7 @@ void migration_incoming_state_destroy(void)\n         mis->from_src_file = NULL;\n     }\n \n-    qemu_event_destroy(&mis->main_thread_load_event);\n+    qemu_event_reset(&mis->main_thread_load_event);\n }\n \n static void migrate_generate_event(int new_state)\n","prefixes":["PULL","6/8"]}