From: Petr Tesarik <ptesarik@suse.cz>
To: Roland McGrath <roland@redhat.com>
Cc: Sam Ravnborg <sam@ravnborg.org>,
LKML <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Andi Kleen <andi@firstfloor.org>
Subject: Re: [PATCH] x86: clean up vdso-layout.lds.S
Date: Tue, 09 Jun 2009 10:29:10 +0200 [thread overview]
Message-ID: <1244536150.5199.33.camel@nathan.suse.cz> (raw)
In-Reply-To: <20090609080933.E68BEFC3B2@magilla.sf.frob.com>
Roland McGrath píše v Út 09. 06. 2009 v 01:09 -0700:
> > Which version of binutils are you using? I'm using binutils-2.19, and
> > all empty sections get completely discarded, i.e. they do not affect the
> > size of the output in any way.
>
> Oh, empty, sure. So then what is ".broken" for at all?
> I thought this was for the nonempty-but-useless ones like .got et al
> that the linker will insist on creating but we don't really need in the vDSO.
No, that's for collecting sections which should never ever appear in a
vDSO. Or rather, when these sections do appear in a vDSO, I know for
sure that the resulting vDSO will not work properly.
Petr Tesarik
next prev parent reply other threads:[~2009-06-09 8:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-01 14:05 Petr Tesarik
2009-06-05 15:25 ` Petr Tesarik
2009-06-05 16:27 ` Andi Kleen
2009-06-05 16:24 ` H. Peter Anvin
2009-06-09 7:32 ` Petr Tesarik
2009-06-05 20:07 ` Sam Ravnborg
2009-06-09 7:26 ` Petr Tesarik
2009-06-09 7:52 ` Roland McGrath
2009-06-09 7:57 ` Petr Tesarik
2009-06-09 8:09 ` Roland McGrath
2009-06-09 8:29 ` Petr Tesarik [this message]
2009-06-09 15:41 ` H. Peter Anvin
2009-06-09 18:11 ` Sam Ravnborg
2009-06-09 18:16 ` H. Peter Anvin
2009-06-09 19:22 ` Sam Ravnborg
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