linux-kernel - Re: [RFC PATCH 0/2] powerpc: CPU cache op cleanup

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Message-ID: <1321396146.3170.11.camel@pasglop>
Date:	Wed, 16 Nov 2011 09:29:06 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Kyle Moffett <Kyle.D.Moffett@...ing.com>
Cc:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	galak@...nel.crashing.org, scottwood@...escale.com,
	B04825@...escale.com, paul.gortmaker@...driver.com
Subject: Re: [RFC PATCH 0/2] powerpc: CPU cache op cleanup

On Mon, 2011-11-14 at 21:32 -0500, Kyle Moffett wrote:
> Unfortunately, I've been staring at PPC asm for long enough that I
> have a migraine headache and I'm going to have to stop here for now.
> If somebody else wants to tackle fixing up the 32-bit copy_page() and
> __copy_tofrom_user() routines it would be highly appreciated. 

Yeah that's the one everybody's avoiding :-)

What about my idea of instead compiling it multiple times with a
different size and fixing up the branch to call the right one ?

Cheers,
Ben.


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