Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756267AbZAMQnl (ORCPT ); Tue, 13 Jan 2009 11:43:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756957AbZAMQnJ (ORCPT ); Tue, 13 Jan 2009 11:43:09 -0500 Received: from mtagate8.de.ibm.com ([195.212.29.157]:43079 "EHLO mtagate8.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754550AbZAMQnH (ORCPT ); Tue, 13 Jan 2009 11:43:07 -0500 Date: Tue, 13 Jan 2009 17:43:04 +0100 From: Cornelia Huck To: Arjan van de Ven Cc: Subject: [PATCH 1/2] async: Handle kthread_run() return codes. Message-ID: <20090113174304.2186532c@gondolin> Organization: IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martin Jetter =?ISO-8859-15?Q?Gesch=E4ftsf=FChrung:?= Erich Baier Sitz der Gesellschaft: =?ISO-8859-15?Q?B=F6blingen?= Registergericht: Amtsgericht Stuttgart, HRB 243294 X-Mailer: Claws Mail 3.5.0 (GTK+ 2.12.11; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1342 Lines: 45 If we fail to create the manager thread, fall back to non-fastboot. If we fail to create an async thread, try again when the manager thread runs again. Signed-off-by: Cornelia Huck --- kernel/async.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) --- linux-2.6.orig/kernel/async.c +++ linux-2.6/kernel/async.c @@ -315,11 +315,14 @@ static int async_manager_thread(void *un ec = atomic_read(&entry_count); while (tc < ec && tc < MAX_THREADS) { - kthread_run(async_thread, NULL, "async/%i", tc); + if (IS_ERR(kthread_run(async_thread, NULL, "async/%i", + tc))) + /* Try again later. */ + goto schedule; atomic_inc(&thread_count); tc++; } - +schedule: schedule(); } remove_wait_queue(&async_new, &wq); @@ -330,7 +333,9 @@ static int async_manager_thread(void *un static int __init async_init(void) { if (async_enabled) - kthread_run(async_manager_thread, NULL, "async/mgr"); + if (IS_ERR(kthread_run(async_manager_thread, NULL, + "async/mgr"))) + async_enabled = 0; return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/