linux-kernel - Re: [PATCH] lib/decompress_unxz.c: removing all memory helper functions

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Date:	Thu, 24 May 2012 10:26:11 -0700
From:	Joe Perches <joe@...ches.com>
To:	T Makphaibulchoke <tmac@...com>
Cc:	lethal@...ux-sh.org, hpa@...or.com, tglx@...utronix.de,
	mingo@...hat.com, x86@...nel.org, kaloz@...nwrt.org,
	matt.fleming@...el.com, lasse.collin@...aani.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
	linux@....linux.org.uk, schwidefsky@...ibm.com,
	heiko.carstens@...ibm.com, linux390@...ibm.com
Subject: Re: [PATCH] lib/decompress_unxz.c: removing all memory helper
 functions

On Thu, 2012-05-24 at 10:03 -0600, T Makphaibulchoke wrote:
> The patch cleans up the file lib/decompress_unxz.c by removing all memory
> helper functions, e.g., memmove.  By doing so, any architecture's preboot
> environment supporting the XZ decompression needs to define its own copy of
> any of the missing memory helper functions.

Perhaps a silly question, but why not use
the __builtin variants?


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