linux-kernel - Re: [RFC PATCH v2 0/4] Add support for LZ4-compressed kernel

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Message-ID: <1362025374.1928.13.camel@joe-AO722>
Date:	Wed, 27 Feb 2013 20:22:54 -0800
From:	Joe Perches <joe@...ches.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Peter Korsgaard <jacmet@...site.dk>,
	Nicolas Pitre <nico@...xnic.net>,
	"Markus F.X.J. Oberhumer" <markus@...rhumer.com>,
	Kyungsik Lee <kyungsik.lee@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, Michal Marek <mmarek@...e.cz>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-kbuild@...r.kernel.org, x86@...nel.org,
	celinux-dev@...ts.celinuxforum.org,
	Nitin Gupta <nitingupta910@...il.com>,
	Josh Triplett <josh@...htriplett.org>,
	Joe Millenbach <jmillenbach@...il.com>,
	David Sterba <dsterba@...e.cz>,
	Richard Cochran <richardcochran@...il.com>,
	Egon Alter <egon.alter@....net>, hyojun.im@....com,
	chan.jeong@....com, raphael.andy.lee@...il.com
Subject: Re: [RFC PATCH v2 0/4] Add support for LZ4-compressed kernel

(removed Richard Purdie and Albin Tonnerre as their email addresses
 seem to be bounding)

> While recently asking someone to enable VFP debugging, so I could help
> sort out a problem they had reported, this is the debug output I was
> greeted by thanks to your meddling:

:) Meddling... You sound like one of those nameless
villains on Scooby Doo.  If only I had a cool nickname
like Dave "Shaggy" Kliekamp.  I guess you'd have to call
me Velma.

> [  927.235546] \x01\x01\x01\x01\x01\x01\x01\x01
> ...
> [  927.241505] \x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01                     
> 
> 7.6 `.asciz "STRING"'...
> ========================
> 
> `.asciz' is just like `.ascii', but each string is followed by a zero
>                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> byte.  The "z" in `.asciz' stands for "zero".
> ^^^^^

Yeah, sorry.  I thought that the zero was after any
concatenation like .c.  Learned something.  'preciate
that.  Would have appreciated a polite "you broke it"
email too.

> ??? Yea, right, meanwhile breaking the ability of stuff to produce
> kernel messages.

Fortunately, that's the only .S instance.

> > > > > > > so that we can see whether it's worth updating the LZO code
> > Sounded as if you were doubtful to me.
> _In_ the decompressor.  We're talking about the _decompressor_ in
> this thread.

My opinion is it's useful to update LZO.

cheers, Joe (aka: Velma)

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