Message-ID: <1363176339.1335.1.camel@x61.thuisdomein>
Subject: Re: [PATCH] decompressors: fix typo "POWERPC"
From: Paul Bolle <pebolle@tiscali.nl>
To: Lasse Collin <lasse.collin@tukaani.org>
Cc: Florian Fainelli <florian@openwrt.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        linux-kernel@vger.kernel.org
Date: Wed, 13 Mar 2013 13:05:39 +0100
In-Reply-To: <20130313133045.51d44a63@tukaani.org>
References: <1363044544.3137.120.camel@x61.thuisdomein>
	 <20130313133045.51d44a63@tukaani.org>
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On Wed, 2013-03-13 at 13:30 +0200, Lasse Collin wrote:
> On 2013-03-12 Paul Bolle wrote:
> > 1) By the way: why does the XZ related code use both the macro
> > CONFIG_XZ_DEC_POWERPC and the macro XZ_DEC_POWERPC? (Ditto for other
> > architectures.) That looks odd.
> 
> In a preboot environment the options selected for the xz_dec module are
> ignored.

Naive question: what is a preboot environment?

> If XZ-compressed kernel is selected, lib/decompress_unxz.c
> will enable a BCJ filter for that architecture. An alternative could be
> to #undef the CONFIG_XZ_DEC_foo symbols in decompress_unxz.c and then
> #define what is needed for the selected architecture, but I think the
> current method is OK. See also lib/xz/xz_private.h.

Thanks,


Paul Bolle

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