From: David Woodhouse <dwmw2@infradead.org>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC] kill sleep_on
Date: Sat, 17 Jan 2004 19:28:21 +0000 [thread overview]
Message-ID: <1074367701.9965.2.camel@imladris.demon.co.uk> (raw)
In-Reply-To: <40098251.2040009@colorfullife.com>
On Sat, 2004-01-17 at 19:43 +0100, Manfred Spraul wrote:
> Virtually all sleep_on / interruptible_sleep_on users are racy. Actually
> there is only one safe case: if both wakeup and sleep happen under
> lock_kernel.
> Any objections against killing it entirely? Or what about marking it as
> deprecated, as the first step towards killing it?
>
> I'll follow with two patches that remove it from shaper and sunrpc/sched
> - shaper is racy, rpciod_down is only safe if called with lock_kernel.
Deprecate it in 2.7.0 and add BUG_ON(BKL not held) to it. Not before
time.
--
dwmw2
next prev parent reply other threads:[~2004-01-17 19:28 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-17 18:43 Manfred Spraul
2004-01-17 19:19 ` Arjan van de Ven
2004-01-17 19:28 ` David Woodhouse [this message]
2004-01-17 20:10 ` viro
2004-01-17 23:18 ` Trond Myklebust
2004-01-17 23:45 ` David Woodhouse
2004-01-18 6:41 ` Andrew Morton
2004-01-18 6:57 ` Trond Myklebust
2004-01-18 7:05 ` Trond Myklebust
2004-01-18 7:36 ` Andrew Morton
2004-01-18 7:44 ` Manfred Spraul
2004-01-18 8:03 ` Trond Myklebust
2004-01-18 8:18 ` Manfred Spraul
2004-01-18 17:07 ` Trond Myklebust
2004-01-18 7:54 ` Trond Myklebust
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