linux-kernel - Re: [PATCH][RFC] asm-generic:remove calling flush_write_buffers() in dma_sync_*_for

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Date:	Mon, 29 Jun 2009 20:48:08 +0200
From:	Joerg Roedel <joerg.roedel@....com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	tom.leiming@...il.com, fujita.tomonori@....ntt.co.jp,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [PATCH][RFC] asm-generic:remove calling flush_write_buffers()
 in dma_sync_*_for_cpu

On Mon, Jun 29, 2009 at 06:22:17PM +0200, Arnd Bergmann wrote:
> As mentioned, the definition of flush_write_buffers() seems a little dodgy,
> I would feel much more comfortable with putting it into the architecture
> specific code or using one of the existing common barriers, since we already
> have so many of them.

Yeah true. We should remove this function if we see that it is not required.

	Joerg

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