netdev - Re: [patch 04/18] via-rhine: disable rx_copybreak on archs that don't allow unaligned DMA access

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Message-ID: <20070810213304.GB5301@electric-eye.fr.zoreil.com>
Date:	Fri, 10 Aug 2007 23:33:04 +0200
From:	Francois Romieu <romieu@...zoreil.com>
To:	akpm@...ux-foundation.org
Cc:	jeff@...zik.org, netdev@...r.kernel.org, jailbird@...atraz.fdf.net,
	ink@...assic.park.msu.ru
Subject: Re: [patch 04/18] via-rhine: disable rx_copybreak on archs that don't allow unaligned DMA access

akpm@...ux-foundation.org <akpm@...ux-foundation.org> :
> From: Dustin Marquess <jailbird@...atraz.fdf.net>
> 
> Patch to disable the rx_copybreak feature on hardware architectures that
> don't allow unaligned DMA access.
> 
> #ifdef code taken from tulip_core.c.  Problem pointed out by Ivan
> Kokshaysky.

Color me confused but what are we trying to solve here ?

The rx_copybreak processing is performed after the DMA from the network
card to memory is done: DMA does not care about rx_copybreak. 

-- 
Ueimor
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