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From: Steven Rostedt <rostedt@goodmis.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Ingo Molnar <mingo@elte.hu>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Christoph Hellwig <hch@infradead.org>,
	john stultz <johnstul@us.ibm.com>,
	Oleg Nesterov <oleg@tv-sign.ru>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Dipankar Sarma <dipankar@in.ibm.com>,
	"David S. Miller" <davem@davemloft.net>,
	kuznet@ms2.inr.ac.ru, Jonathan Corbet <corbet@lwn.net>,
	Arjan van de Ven <arjan@infradead.org>,
	Arnd Bergmann <arnd@arndb.de>
Subject: [RFC PATCH 3/8] Add a tasklet is-scheduled API
Date: Wed, 27 Jun 2007 15:36:36 -0400	[thread overview]
Message-ID: <20070627194327.571023244@goodmis.org> (raw)
In-Reply-To: <20070627193633.025544061@goodmis.org>

[-- Attachment #1: tasklet-state-api.patch --]
[-- Type: text/plain, Size: 773 bytes --]

This patch adds a tasklet_is_scheduled API to allow a driver
to know if its tasklet is already scheduled.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

Index: linux-2.6-test/include/linux/tasklet.h
===================================================================
--- linux-2.6-test.orig/include/linux/tasklet.h
+++ linux-2.6-test/include/linux/tasklet.h
@@ -107,6 +107,11 @@ static inline void tasklet_hi_enable(str
 	atomic_dec(&t->count);
 }
 
+static inline int tasklet_is_scheduled(struct tasklet_struct *t)
+{
+	return test_bit(TASKLET_STATE_SCHED, &t->state);
+}
+
 extern void tasklet_kill(struct tasklet_struct *t);
 extern void tasklet_kill_immediate(struct tasklet_struct *t, unsigned int cpu);
 extern void tasklet_init(struct tasklet_struct *t,

-- 

  parent reply	other threads:[~2007-06-27 19:46 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-27 19:36 [RFC PATCH 0/8] Convert all tasklets to workqueues V3 Steven Rostedt
2007-06-27 19:36 ` [RFC PATCH 1/8] Convert the RCU tasklet into a softirq Steven Rostedt
2007-07-16 20:12   ` Paul E. McKenney
2007-07-16 20:23     ` Linus Torvalds
2007-07-16 20:44       ` Steven Rostedt
2007-07-16 20:53         ` Ingo Molnar
2007-07-17  2:11           ` Paul E. McKenney
2007-07-16 20:48       ` Ingo Molnar
2007-06-27 19:36 ` [RFC PATCH 2/8] Split out tasklets from softirq.c Steven Rostedt
2007-06-27 19:36 ` Steven Rostedt [this message]
2007-06-27 19:36 ` [RFC PATCH 4/8] Make DRM use the tasklet is-sched API Steven Rostedt
2007-06-27 19:36 ` [RFC PATCH 5/8] Convert net wireless tasklet to workqueue Steven Rostedt
2007-06-27 19:36 ` [RFC PATCH 6/8] Remove DECLARE_TASKLET_DISABLE API Steven Rostedt
2007-06-27 19:36 ` [RFC PATCH 7/8] remove DECLARE_TASKLET API Steven Rostedt
2007-06-27 19:36 ` [RFC PATCH 8/8] Convert tasklets to work queues Steven Rostedt

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