Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751809AbaAMNBR (ORCPT ); Mon, 13 Jan 2014 08:01:17 -0500 Received: from adelie.canonical.com ([91.189.90.139]:39531 "EHLO adelie.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751616AbaAMNBN (ORCPT ); Mon, 13 Jan 2014 08:01:13 -0500 Subject: [PATCH 1/7] sched: allow try_to_wake_up to be used internally outside of core.c To: linux-kernel@vger.kernel.org From: Maarten Lankhorst Cc: linux-arch@vger.kernel.org, ccross@google.com, linaro-mm-sig@lists.linaro.org, robdclark@gmail.com, dri-devel@lists.freedesktop.org, daniel@ffwll.ch, sumit.semwal@linaro.org, linux-media@vger.kernel.org Date: Mon, 13 Jan 2014 13:31:31 +0100 Message-ID: <20140113123126.20574.74329.stgit@patser> In-Reply-To: <20140113122818.20574.34710.stgit@patser> References: <20140113122818.20574.34710.stgit@patser> User-Agent: StGit/0.15 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The kernel fence implementation doesn't use event queues, but needs to perform the same wake up. The symbol is not exported, since the fence implementation is not built as a module. Signed-off-by: Maarten Lankhorst --- include/linux/wait.h | 1 + kernel/sched/core.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/wait.h b/include/linux/wait.h index eaa00b10abaa..c54e3ef50134 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -12,6 +12,7 @@ typedef struct __wait_queue wait_queue_t; typedef int (*wait_queue_func_t)(wait_queue_t *wait, unsigned mode, int flags, void *key); int default_wake_function(wait_queue_t *wait, unsigned mode, int flags, void *key); +int try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags); struct __wait_queue { unsigned int flags; diff --git a/kernel/sched/core.c b/kernel/sched/core.c index a88f4a485c5e..f41d317042dd 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1578,7 +1578,7 @@ static void ttwu_queue(struct task_struct *p, int cpu) * Return: %true if @p was woken up, %false if it was already running. * or @state didn't match @p's state. */ -static int +int try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags) { unsigned long flags; -- 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/