From: Andi Kleen <ak@suse.de>
Organization: SUSE Linux Products GmbH, Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg)
To: Zachary Amsden <zach@vmware.com>
Subject: Re: [PATCH 15/18] x86 vDSO: consolidate vdso32
Date: Wed, 21 Nov 2007 01:15:10 +0100
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Cc: Roland McGrath <roland@redhat.com>, Ingo Molnar <mingo@elte.hu>,
       Andrew Morton <akpm@linux-foundation.org>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>,
       "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
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> I think you should drop CONFIG_COMPAT_VDSO support for 32-bit VDSO on
> 64-bit kernel.  This was only to hack around a broken version of glibc
> that shipped with SUSE PRO 9.0, 

I would be severly opposed to that. You cannot break compatibility to a large
chunk of userland. You would also break some of my test setups.
 
> Perhaps it is finally time to remove the hack from 32-bit as well, and
> eliminate COMPAT_VDSO entirely?  Or does it really have to live forever.

Yes it has.

-Andi
 
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