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Thu, 08 Apr 2021 16:26:31 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-381-Ncy4q93-MAqdmHJcNWVapg-1; Thu, 08 Apr 2021 16:26:19 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id F0C6FA0F1D9 for ; Thu, 8 Apr 2021 19:12:21 +0000 (UTC) Received: from dgilbert-t580.localhost (ovpn-115-38.ams2.redhat.com [10.36.115.38]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3393D5D9CC; Thu, 8 Apr 2021 19:12:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1617913580; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pOvs/SIf1ZJaSBSgFv/P8FxfxoZdPEqMF+5TY5dZUU8=; b=YsepMManHdFe8xDGd6ulEvwRAhYyXxcc/8xitpC6oz3L31HerWELTM+fcfefEoUTMB8T/P TN+hp3PGts/HlQdUFhg8Pz9453+P3w7Ky89LjqVYApbE8xueeroLRzVPUE1CTTpRYs5oFF T4QROhTCg7Q21oEWF393wUV0D+vDEpA= X-MC-Unique: Ncy4q93-MAqdmHJcNWVapg-1 From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, berrange@redhat.com, kraxel@redhat.com, eblake@redhat.com, armbru@redhat.com, pabeni@redhat.com Subject: [RFC PATCH 3/5] migration: Add cleanup hook for inwards migration Date: Thu, 8 Apr 2021 20:11:57 +0100 Message-Id: <20210408191159.133644-4-dgilbert@redhat.com> In-Reply-To: <20210408191159.133644-1-dgilbert@redhat.com> References: <20210408191159.133644-1-dgilbert@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dgilbert@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=dgilbert@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: quintela@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" From: "Dr. David Alan Gilbert" Add a cleanup hook for incoming migration that gets called at the end as a way for a transport to allow cleanup. Signed-off-by: Dr. David Alan Gilbert Reviewed-by: Daniel P. Berrang=C3=A9 --- migration/migration.c | 3 +++ migration/migration.h | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/migration/migration.c b/migration/migration.c index ca8b97baa5..feaedc382e 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -279,6 +279,9 @@ void migration_incoming_state_destroy(void) g_array_free(mis->postcopy_remote_fds, TRUE); mis->postcopy_remote_fds =3D NULL; } + if (mis->transport_cleanup) { + mis->transport_cleanup(mis->transport_data); + } =20 qemu_event_reset(&mis->main_thread_load_event); =20 diff --git a/migration/migration.h b/migration/migration.h index db6708326b..1b4c5da917 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -49,6 +49,10 @@ struct PostcopyBlocktimeContext; struct MigrationIncomingState { QEMUFile *from_src_file; =20 + /* A hook to allow cleanup at the end of incoming migration */ + void *transport_data; + void (*transport_cleanup)(void *data); + /* * Free at the start of the main state load, set as the main thread fi= nishes * loading state. --=20 2.31.1