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Re: [RFC] sched: implement the exclusive wait queue as a LIFO queue

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From: Changli Gao
Subject: Re: [RFC] sched: implement the exclusive wait queue as a LIFO queue
Date: Wednesday, April 28, 2010 - 8:33 am

On Wed, Apr 28, 2010 at 11:00 PM, David Howells <dhowells@redhat.com> wrote:

It should be seldom in good applications. So I only need to add a
function, like this:

add_wait_queue_head_exclusive(wq, wait)
   first_exclusive = find_the_first_exclusive(wq); // it is fast, as
there should no or few non-exclusive wait queues
   list_add(wait, first_exclusive);


-- 
Regards，
Changli Gao(xiaosuo@gmail.com)
--
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Messages in current thread:
[RFC] sched: implement the exclusive wait queue as a LIFO ..., Changli Gao, (Tue Apr 27, 10:03 pm)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Changli Gao, (Tue Apr 27, 11:22 pm)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Xiaotian Feng, (Wed Apr 28, 12:47 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Changli Gao, (Wed Apr 28, 12:52 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Changli Gao, (Wed Apr 28, 1:05 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Yong Zhang, (Wed Apr 28, 1:15 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Changli Gao, (Wed Apr 28, 1:23 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Johannes Weiner, (Wed Apr 28, 2:25 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., David Howells, (Wed Apr 28, 2:29 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., David Howells, (Wed Apr 28, 2:32 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., David Howells, (Wed Apr 28, 2:34 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Changli Gao, (Wed Apr 28, 4:17 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., David Howells, (Wed Apr 28, 6:21 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Jamie Lokier, (Wed Apr 28, 6:21 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Changli Gao, (Wed Apr 28, 6:42 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Changli Gao, (Wed Apr 28, 6:47 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Changli Gao, (Wed Apr 28, 6:56 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., David Howells, (Wed Apr 28, 7:06 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Changli Gao, (Wed Apr 28, 7:53 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., David Howells, (Wed Apr 28, 8:00 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Jamie Lokier, (Wed Apr 28, 8:25 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Changli Gao, (Wed Apr 28, 8:33 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Changli Gao, (Wed Apr 28, 8:49 am)
Re: [RFC] sched: implement the exclusive wait queue as a L ..., Davide Libenzi, (Wed Apr 28, 11:57 am)