linux-kernel - Re: [PATCH 2/5] sparc: use asm-generic/dma-mapping-common.h

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Date:	Thu, 9 Jul 2009 14:29:23 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	davem@...emloft.net, sparclinux@...r.kernel.org,
	linux-kernel@...r.kernel.org, reif@...thlink.net
Subject: Re: [PATCH 2/5] sparc: use asm-generic/dma-mapping-common.h

On Thursday 09 July 2009, FUJITA Tomonori wrote:
> The logic to move flush_write_buffers() from dma-mapping-common.h to
> arch/x86/kernel/pci-nommu.c makes sense and it doesn't break anything.
> However, I'd like to see the confirmation from a person who added
> flush_write_buffers() long ago. I thought that we might overlook
> something subtle.

I've tried to find out where it comes from, but unfortunately it's
from prehistoric times (Linux-2.4.14.2), the commit is in 

http://git.kernel.org/?p=linux/kernel/git/tglx/history.git;a=commitdiff;h=a8a2069f432c5597bdf9c83ab3045b9ef32ab5e3

None of the comments in that commit seem to refer to
the actual change.

	Arnd <><
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