linux-kernel - [PATCH 1/7] sched: allow try_to_wake_up to be used internally outside of core.c

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20140113123126.20574.74329.stgit@patser>
Date:	Mon, 13 Jan 2014 13:31:31 +0100
From:	Maarten Lankhorst <maarten.lankhorst@...onical.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-arch@...r.kernel.org, ccross@...gle.com,
	linaro-mm-sig@...ts.linaro.org, robdclark@...il.com,
	dri-devel@...ts.freedesktop.org, daniel@...ll.ch,
	sumit.semwal@...aro.org, linux-media@...r.kernel.org
Subject: [PATCH 1/7] sched: allow try_to_wake_up to be used internally outside
 of core.c

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 <maarten.lankhorst@...onical.com>
---
 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@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/