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From: Al Viro <viro@ZenIV.linux.org.uk>
To: Jan Beulich <jbeulich@novell.com>
Cc: ccache@lists.samba.org, "Theodore Ts'o" <tytso@mit.edu>,
	Sam Ravnborg <sam@ravnborg.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [REGRESSION] Recent change to kernel spikes out ccache/distcc
Date: Wed, 7 Jan 2009 14:37:11 +0000	[thread overview]
Message-ID: <20090107143711.GW28946@ZenIV.linux.org.uk> (raw)
In-Reply-To: <4964CA0A.76E4.0078.0@novell.com>

On Wed, Jan 07, 2009 at 02:28:10PM +0000, Jan Beulich wrote:
> >	b) is there any reason why we can't copy symbol table out of module
> >ourselves (instead of setting SHF_ALLOC on it) and trim the crap out of
> >it?  Note that __crc_... is not the only junk in there - you don't need
> >(or want) to keep the things like undefs for /proc/kallsyms purposes.
> >And modules *using* an exported symbol are more common that modules exporting
> >one...  Why not copy it at add_kallsyms() time, skipping the junk we don't
> >want anyway?
> 
> Would certainly be doable, but would seem reasonable only if it's a small
> set of easily recognizable symbols. If you look at scripts/strip-symbols,
> you may agree that it's better to do this at build time...

I will not.  Undefined ones are far more common than any of those...

  reply	other threads:[~2009-01-07 14:37 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-06 15:15 [REGRESSION] Recent change to kernel spikes out ccache/distcc Theodore Ts'o
2009-01-06 15:29 ` Jan Beulich
2009-01-06 17:33   ` Theodore Tso
2009-01-06 17:48     ` Sam Ravnborg
2009-01-06 18:04       ` Theodore Tso
2009-01-07  8:50     ` Jan Beulich
2009-01-07 11:31       ` Sam Ravnborg
2009-01-07 12:35         ` Jan Beulich
2009-01-07 13:23           ` Sam Ravnborg
2009-01-07 13:48             ` Jan Beulich
2009-01-07 20:06               ` Sam Ravnborg
2009-01-08 19:16                 ` Kyle McMartin
2009-01-12 14:06                 ` Gilles Espinasse
2009-01-06 17:53   ` Sam Ravnborg
2009-01-06 16:26 ` David Miller
2009-01-06 18:12   ` Theodore Tso
2009-01-06 22:09 ` Sam Ravnborg
2009-01-07  4:33   ` Theodore Tso
2009-01-07  5:10 ` Al Viro
2009-01-07  8:49   ` Jan Beulich
2009-01-07 14:03     ` Al Viro
2009-01-07 14:28       ` Jan Beulich
2009-01-07 14:37         ` Al Viro [this message]
2009-01-07 14:40           ` Jan Beulich
2009-01-07 13:12 ` Theodore Tso
2009-01-07 13:39   ` Jan Beulich
2009-01-07 14:28     ` Theodore Tso
2009-01-07 14:39       ` Jan Beulich
2009-01-08 19:17   ` Dave Jones
2009-01-08 21:31     ` Theodore Tso
2009-01-11 21:48       ` Kyle McMartin
2009-01-11 22:11         ` Theodore Tso
2009-01-11 22:51         ` Theodore Tso
2009-01-11 22:55           ` Kyle McMartin
2009-01-14 17:16 ` Peter Zijlstra
2009-01-15  9:11   ` Jan Beulich
2009-01-15 13:40     ` Theodore Tso

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