Re: [PATCH 2.5] fixes for airo.c

From: Jeff Garzik (
Date: Wed Jul 23 2003 - 15:43:04 EST

On Wed, Jul 23, 2003 at 07:56:58PM +0200, Daniel Ritz wrote:
> [shortening the cc: list a bit..]
> On Wed July 23 2003 12:26, Javier Achirica 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.

hard_start_xmit is called from BH-disabled context, so Javier is
basically correct.


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