From: Jamie Lokier <jamie@shareable.org>
To: Davide Libenzi <davidel@xmailserver.org>
Cc: Manfred Spraul <manfred@colorfullife.com>,
lse-tech@lists.sourceforge.net,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [RFC,PATCH] use rcu for fasync_lock
Date: Sun, 21 Dec 2003 15:28:22 +0000 [thread overview]
Message-ID: <20031221152822.GA4871@mail.shareable.org> (raw)
In-Reply-To: <Pine.LNX.4.44.0312210701330.12172-100000@bigblue.dev.mdolabs.com>
Davide Libenzi wrote:
> First, f_op->poll() does not allow you to send and event mask,
> and this requires the driver to indiscriminately wake up both IN and OUT
> waiters. The second area will be to give the driver to specify some "info"
>
> wake_up_info(&wq, XXXX);
I agree totally, both of these are (and always were, isn't it amazing
how long these things take) the way to do it "properly".
> The good thing is that migration can be gradual, beside the initial
> dumb compile fixing to suite the new f_op->poll() interface.
Even that's trivial, if a little time consuming, as it's only a
function signature change. Actually using the extra argument is
optional for each driver.
-- Jamie
next prev parent reply other threads:[~2003-12-21 15:28 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-20 18:20 [RFC,PATCH] use rcu for fasync_lock Manfred Spraul
2003-12-20 21:10 ` [Lse-tech] " Stephen Hemminger
2003-12-20 21:35 ` Manfred Spraul
2003-12-21 11:36 ` Jamie Lokier
2003-12-21 12:40 ` Manfred Spraul
2003-12-21 14:14 ` Jamie Lokier
2003-12-21 14:59 ` Manfred Spraul
2003-12-21 15:08 ` Jamie Lokier
2004-01-02 21:15 ` Bill Davidsen
2004-01-02 22:41 ` Jamie Lokier
2004-01-03 1:09 ` Mike Fedyk
2004-01-03 21:28 ` Jamie Lokier
2004-01-04 19:01 ` Ingo Oeser
2004-01-04 19:20 ` Davide Libenzi
2004-01-05 21:17 ` Ingo Oeser
2004-01-05 22:24 ` Davide Libenzi
2003-12-21 15:14 ` Davide Libenzi
2003-12-21 15:17 ` Davide Libenzi
2003-12-21 15:28 ` Jamie Lokier [this message]
2003-12-21 18:38 ` OGAWA Hirofumi
2003-12-21 19:14 ` Manfred Spraul
2003-12-21 20:51 ` Linus Torvalds
2003-12-21 21:08 ` Manfred Spraul
2003-12-21 21:19 ` Linus Torvalds
2003-12-21 21:54 ` Manfred Spraul
2003-12-21 22:05 ` Linus Torvalds
2003-12-25 1:21 ` Manfred Spraul
2003-12-25 15:11 ` OGAWA Hirofumi
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