linux-kernel - Re: [update5] [PATCH] init: bzip2 or lzma -compressed kernels and initrds

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Message-ID: <48F0B3CD.2010705@zytor.com>
Date:	Sat, 11 Oct 2008 07:10:21 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Alain Knaff <alain@...ff.lu>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [update5] [PATCH] init: bzip2 or lzma -compressed kernels and
 initrds

Alain Knaff wrote:
> 
> So, leaving out the x86-specific change
> (arch/x86/boot/compressed/misc.c) in the first change, would force to
> leave that change out of lib/inflate.c as well (or else, the
> above-listed items would be doubly defined). But, if I left out these
> changes of lib/inflate.c, I'd need to leave them out of and
> init/do_mounts_rd.c and init/initramfs.c too (or else the above-listed
> items would not be defined at all in that situation). Can you suggest a
> solution? I could theoretically break that dependency chain using an
> #ifdef (as was the case until patch 3), but apparently #ifdef's are
> highly frowned upon. Or was it just the name of the ifdef ("NEW_CODE")
> that you objected to? Another option would be to (temporarily) keep 2
> copies of lib/inflate.c around, but somehow that doesn't feel right.
> 
> So can you suggest some way out of the situation?
> 

Temporarily leaving two copies would work, as would be leaving in an 
#ifdef as long as it is gone by the end of the patch series.

	-hpa
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