linux-kernel - Re: [RFC] LZO de/compression support

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Date:	Wed, 6 Jun 2007 19:35:40 +0530
From:	"Nitin Gupta" <nitingupta910@...il.com>
To:	"Christoph Hellwig" <hch@...radead.org>,
	"Nitin Gupta" <nitingupta910@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Daniel Hazelton" <dhazelton@...er.net>,
	"Richard Purdie" <richard@...nedhand.com>
Subject: Re: [RFC] LZO de/compression support - take 7

On 6/6/07, Christoph Hellwig <hch@...radead.org> wrote:
> On Wed, Jun 06, 2007 at 06:04:17PM +0530, Nitin Gupta wrote:
> > Hi,
> >
> > This is kernel port of LZO1X-1 compressor and LZO1X decompressor (safe
> > version only).
> >
> > * Changes since 'take 6' (Full Changelog after this):
> > 1) Fixed unaligned memory access problems as pointed out by author --
> > LZO_UNALIGNED_OK_{2,4} collapsed to UNALIGNED_OK which is #defined for
> > archs that allow unaligned access (see lib/lzo1x/Makefile). For other
> > archs, we fall down to byte-by-byte access avoiding any unaligned
> > access. In original code, LZO_UNALIGNED_OK_{2,4} resp. describe if we
> > can do unaligned access for ushort and uint32.
>
> Please use get_unaligned() for any unaligned access in kernel space.
>
>

Done.

Thanks,
Nitin
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