From: Andrew Morton <akpm@osdl.org>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [2/5] consolidate bit waiting code patterns
Date: Sat, 28 Aug 2004 15:29:04 -0700 [thread overview]
Message-ID: <20040828152904.4721522c.akpm@osdl.org> (raw)
In-Reply-To: <20040828200841.GT5492@holomorphy.com>
William Lee Irwin III <wli@holomorphy.com> wrote:
>
> +void fastcall __wake_up_bit(wait_queue_head_t *wq, void *word, int bit)
> +{
> + struct wait_bit_key key = __WAIT_BIT_KEY_INITIALIZER(word, bit);
> + if (waitqueue_active(wq))
> + __wake_up(wq, TASK_INTERRUPTIBLE|TASK_UNINTERRUPTIBLE, 1, &key);
> +}
The waitqueue_active() test needs a preceding barrier. Did it
come from somewhere else, implicitly?
next prev parent reply other threads:[~2004-08-28 22:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-28 20:05 [0/5] standardized waitqueue hashing William Lee Irwin III
2004-08-28 20:06 ` [1/5] move waitqueue functions to kernel/wait.c William Lee Irwin III
2004-08-28 20:08 ` [2/5] consolidate bit waiting code patterns William Lee Irwin III
2004-08-28 20:09 ` [3/5] " William Lee Irwin III
2004-08-28 20:11 ` [4/5] eliminate bh waitqueue hashtable William Lee Irwin III
2004-08-28 20:12 ` [5/5] eliminate inode " William Lee Irwin III
2004-08-28 22:37 ` [4/5] eliminate bh " Andrew Morton
2004-08-28 23:09 ` William Lee Irwin III
2004-08-28 20:21 ` [2/5] consolidate bit waiting code patterns William Lee Irwin III
2004-08-28 22:29 ` Andrew Morton [this message]
2004-08-28 22:33 ` William Lee Irwin III
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