linux-kernel - Re: [PATCH] sky2: Fix WARNING: at lib/dma-debug.c:902 check

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Message-Id: <20100120.144500.40591155.davem@davemloft.net>
Date:	Wed, 20 Jan 2010 14:45:00 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...ux-foundation.org
Cc:	mchan@...adcom.com, jarkao2@...il.com, mbreuer@...jas.com,
	akpm@...ux-foundation.org, flyboy@...il.com,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	pcnet32@...izon.net, romieu@...zoreil.com, mcarlson@...adcom.com
Subject: Re: [PATCH] sky2: Fix WARNING: at lib/dma-debug.c:902 check_sync

From: Stephen Hemminger <shemminger@...ux-foundation.org>
Date: Wed, 20 Jan 2010 12:30:33 -0800

> It looks like the size passed to sync_single has to match size of original
> mapping.

I think that's rediculious, and unreasonable.

All implementations of these APIs where the sync matters have the
ability to handle partial syncs correctly.
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