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Date: Wed, 12 Jul 2006 13:09:09 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Jakub Jelinek <jakub@redhat.com>
CC: Ulrich Drepper <drepper@redhat.com>, Roland McGrath <roland@redhat.com>,
       "Eric W. Biederman" <ebiederm@xmission.com>,
       Arjan van de Ven <arjan@infradead.org>,
       "Randy.Dunlap" <rdunlap@xenotime.net>, akpm@osdl.org,
       linux-kernel@vger.kernel.org, libc-alpha@sourceware.org
Subject: Re: [PATCH] Use uname not sysctl to get the kernel revision
References: <20060712184412.2BD57180061@magilla.sf.frob.com> <44B54EA4.5060506@redhat.com> <20060712195349.GW3823@sunsite.mff.cuni.cz>
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Jakub Jelinek wrote:
> On Wed, Jul 12, 2006 at 12:33:56PM -0700, Ulrich Drepper wrote:
>> Roland McGrath wrote:
>>> We could also put the uname info (modulo nodename) into the vDSO.
>> Or even better: real topology information.
> 
> AND rather than OR would be even better.  So glibc could find kernel
> version, etc. and topology in the vDSO cheaply.

Wouldn't it make more sense for this to be in ELF tags, rather than the 
vdso?  Another alternative, I guess, would be to put a pointer in the 
ELF tags, which may point into the vdso.

	-hpa