From: "Linh Dang" <linhd@nortelnetworks.com>
To: "David Woodhouse" <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.org
Subject: Re: Bottom halves being disabled
Date: Wed, 25 Aug 2004 06:48:49 -0400 [thread overview]
Message-ID: <wn5brgzh4ry.fsf@linhd-2.ca.nortel.com> (raw)
In-Reply-To: <1093426720.3777.1480.camel@imladris.demon.co.uk> (David Woodhouse's message of "Wed, 25 Aug 2004 05:38:40 -0400")
David Woodhouse <dwmw2@infradead.org> wrote:
> On Tue, 2004-08-24 at 22:36 -0400, Linh Dang wrote:
>> Is it safe to convert those spin_locks to mutexes?
>
> A spinlock is a mutex. Do you mean convert to semaphores?
yes
> Why?
reduce latency with preemptable kernel. I've tried that. In my test I
hammered jffs2 pretty hard (for typical flash usage, no kernel
compilation here) and everything still seemed ok.
--
Linh Dang
next prev parent reply other threads:[~2004-08-25 10:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-24 12:09 Bottom halves being disabled Ed Co
2004-08-24 12:24 ` David Woodhouse
2004-08-25 2:36 ` Linh Dang
2004-08-25 9:38 ` David Woodhouse
2004-08-25 10:48 ` Linh Dang [this message]
2004-08-25 10:53 ` David Woodhouse
2004-08-25 12:46 ` Linh Dang
2004-09-09 18:12 ` Hi Latency in do_read_onechip (was Re: Bottom halves being disabled) Linh Dang
2004-08-24 12:28 ` Bottom halves being disabled Josh Boyer
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