Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758199AbYBGJUs (ORCPT ); Thu, 7 Feb 2008 04:20:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754681AbYBGJUH (ORCPT ); Thu, 7 Feb 2008 04:20:07 -0500 Received: from brick.kernel.dk ([87.55.233.238]:18484 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753373AbYBGJUA (ORCPT ); Thu, 7 Feb 2008 04:20:00 -0500 From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Alan.Brunelle@hp.com, arjan@linux.intel.com, dgc@sgi.com, npiggin@suse.de, Jens Axboe Subject: [PATCH 2/8] Add interface for queuing work on a specific CPU Date: Thu, 7 Feb 2008 10:18:59 +0100 Message-Id: <1202375945-29525-3-git-send-email-jens.axboe@oracle.com> X-Mailer: git-send-email 1.5.4.22.g7a20 In-Reply-To: <1202375945-29525-1-git-send-email-jens.axboe@oracle.com> References: <1202375945-29525-1-git-send-email-jens.axboe@oracle.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1898 Lines: 52 Signed-off-by: Jens Axboe --- include/linux/workqueue.h | 1 + kernel/workqueue.c | 15 +++++++++++++++ 2 files changed, 16 insertions(+), 0 deletions(-) diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 7f28c32..4c46944 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -179,6 +179,7 @@ __create_workqueue_key(const char *name, int singlethread, extern void destroy_workqueue(struct workqueue_struct *wq); extern int FASTCALL(queue_work(struct workqueue_struct *wq, struct work_struct *work)); +extern int FASTCALL(queue_work_on_cpu(struct workqueue_struct *wq, struct work_struct *work, int cpu)); extern int FASTCALL(queue_delayed_work(struct workqueue_struct *wq, struct delayed_work *work, unsigned long delay)); extern int queue_delayed_work_on(int cpu, struct workqueue_struct *wq, diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 52db48e..551ad7e 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -175,6 +175,21 @@ int fastcall queue_work(struct workqueue_struct *wq, struct work_struct *work) } EXPORT_SYMBOL_GPL(queue_work); +int fastcall queue_work_on_cpu(struct workqueue_struct *wq, + struct work_struct *work, int cpu) +{ + int ret = 0; + + if (!test_and_set_bit(WORK_STRUCT_PENDING, work_data_bits(work))) { + BUG_ON(!list_empty(&work->entry)); + __queue_work(per_cpu_ptr(wq->cpu_wq, cpu), work); + ret = 1; + } + + return ret; +} +EXPORT_SYMBOL_GPL(queue_work_on_cpu); + void delayed_work_timer_fn(unsigned long __data) { struct delayed_work *dwork = (struct delayed_work *)__data; -- 1.5.4.22.g7a20 -- 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/