linux-kernel - Re: [PATCH v3 19/24] C6X: headers

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Message-ID: <3471979.HTqjRmXnHP@wuerfel>
Date:	Thu, 29 Sep 2011 16:41:21 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Mark Salter <msalter@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH v3 19/24] C6X: headers

On Thursday 29 September 2011 10:24:43 Mark Salter wrote:
> I think we still want the c6x unaligned.h because the hardware can do
> unaligned 32 and 64 memory accesses with no performance penalty. There
> are some addressing mode limitations which is why the compiler doesn't
> use them generally.

Ok. I guess you still only need to override __cpu_to_{le,be}{16,32,64}p and
__{le,be}{16,32,64}_to_cpup then and use include/linux/unaligned/access_ok.h.

	Arnd
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