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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Daniel Ritz <daniel.ritz@gmx.ch>
Cc: Javier Achirica <achirica@telefonica.net>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-net <linux-net@vger.kernel.org>
Subject: Re: [PATCH 2.5] fixes for airo.c
Date: 23 Jul 2003 19:03:24 +0100	[thread overview]
Message-ID: <1058983403.5516.101.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <200307231956.58656.daniel.ritz@gmx.ch>

On Mer, 2003-07-23 at 18:56, Daniel Ritz wrote:
> > You cannot use down() in xmit, as it may be called in interrupt context. I
> > know it slows things down, but that's the only way I figured out of
> > handling a transmission while the card is processing a long command.
> 
> hu? no. you can do a down() as xmit is never called from interrupt context. and
> the dev->hard_start_xmit() calls are serialized with the dev->xmit_lock. the
> serialization is broken by the schedule_work() thing.

If you are about to start a long command why not mark the device busy
for transmit before starting ?

  reply	other threads:[~2003-07-23 17:54 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-17 22:15 [PATCH 2.4] fixes for airo.c Daniel Ritz
2003-07-21 11:00 ` [PATCH 2.5] " Javier Achirica
2003-07-21 12:37   ` Christoph Hellwig
2003-07-21 13:46     ` Javier Achirica
2003-07-21 15:08       ` Mike Kershaw
2003-07-21 18:56         ` Javier Achirica
2003-07-21 17:49   ` Daniel Ritz
2003-07-21 19:44     ` Javier Achirica
2003-07-21 21:01       ` Daniel Ritz
2003-07-21 21:24         ` Javier Achirica
2003-07-22  8:15         ` Javier Achirica
2003-07-23  9:36           ` Daniel Ritz
2003-07-23 10:26             ` Javier Achirica
2003-07-23 17:56               ` Daniel Ritz
2003-07-23 18:03                 ` Alan Cox [this message]
2003-07-23 18:20                   ` Javier Achirica
2003-07-23 18:10                 ` Javier Achirica
2003-07-23 18:20                   ` Alan Cox
2003-07-23 18:52                   ` Daniel Ritz
2003-07-23 20:43                 ` Jeff Garzik
2003-07-23 21:19                   ` Daniel Ritz
2003-07-24 17:07                     ` Jeff Garzik

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