linux-kernel - Re: [PATCH] [ARM] force dcache flush if dcache

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Message-Id: <20091012.023744.157085851.davem@davemloft.net>
Date:	Mon, 12 Oct 2009 02:37:44 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	linux@....linux.org.uk
Cc:	ngupta@...are.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [ARM] force dcache flush if dcache_dirty bit set

From: Russell King - ARM Linux <linux@....linux.org.uk>
Date: Mon, 12 Oct 2009 10:07:10 +0100

> On Mon, Oct 12, 2009 at 02:20:23PM +0530, Nitin Gupta wrote:
>> Same problem exists on mips too.
> 
> Nice catch.  This logic came from sparc64, so I think you'd want to talk
> to davem about it as well.
> 
> In the mean time, submitting your fix to the patch system would be great,
> thanks.

Sparc64 flushes unconditionally when there is no page mapping.
So, it should be fine here.
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