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From: "H. Peter Anvin" <hpa@zytor.com>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, linux-kernel@vger.kernel.org
Subject: Re: kernel: ldt allocation failed
Date: Wed, 06 Feb 2002 16:15:39 -0800	[thread overview]
Message-ID: <3C61C72B.1010105@zytor.com> (raw)
In-Reply-To: <20020206163118.E21624@devserv.devel.redhat.com> <E16YcJW-0006vG-00@the-village.bc.nu> <20020206191233.I21624@devserv.devel.redhat.com>

Jakub Jelinek wrote:

> 
> We have changed it already (e.g,. for regparm(1), fewer relocs, shorter insn
> sequences, etc.), but with exception of 2 non-dynamic relocs (which get
> different numbers) we are still compatible.
> But as written later, just using a different GDT descriptor could avoid
> having to change the ABI, but would still have the undesirable property of
> requiring every app to mmap a new page at fixed location.

>

It's not that bad, though, especially if your fixed location is just
beneath the standard mmap base address (e.g. 0x3f000000 -- leave some room
for future expansion -- or thereabouts on the standard 3:1 split space.)

Do you support tlsalloc() or whatever it is called?

	-hpa


  reply	other threads:[~2002-02-07  0:17 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.4.21.0112070057480.20196-100000@tombigbee.pixar.com.suse.lists.linux.kernel>
     [not found] ` <5.1.0.14.2.20011207092244.049f6720@pop.cus.cam.ac.uk.suse.lists.linux.kernel>
     [not found]   ` <200202061258.g16CwGt31197@Port.imtp.ilyichevsk.odessa.ua.suse.lists.linux.kernel>
2002-02-06 13:19     ` kernel: ldt allocation failed Andi Kleen
2002-02-06 14:06       ` Dave Jones
2002-02-06 14:13       ` Alan Cox
2002-02-06 14:09         ` Andi Kleen
2002-02-06 14:39           ` Alan Cox
2002-02-06 16:37             ` bert hubert
2002-02-06 15:51         ` Bill Davidsen
2002-02-06 16:08           ` Alan Cox
2002-02-06 16:29             ` John Levon
2002-02-06 18:01               ` Alan Cox
2002-02-06 18:02       ` Denis Vlasenko
2002-02-06 15:12         ` Jakub Jelinek
2002-02-06 18:11           ` Maciej W. Rozycki
2002-02-06 20:19           ` H. Peter Anvin
2002-02-06 21:15             ` Jakub Jelinek
2002-02-06 21:17               ` H. Peter Anvin
2002-02-06 20:21           ` yodaiken
2002-02-06 21:00             ` H. Peter Anvin
2002-02-06 21:31               ` Jakub Jelinek
2002-02-06 22:05                 ` H. Peter Anvin
2002-02-06 22:20                   ` Jakub Jelinek
2002-02-06 23:35                     ` H. Peter Anvin
2002-02-07  0:21                 ` Alan Cox
2002-02-07  0:12                   ` Jakub Jelinek
2002-02-07  0:15                     ` H. Peter Anvin [this message]
2002-02-07  0:13                   ` H. Peter Anvin
2002-02-06 15:37         ` Alan Cox
     [not found] <fa.kit1f7v.j024op@ifi.uio.no>
2001-12-07  7:24 ` Dan Maas
2001-12-07  9:00   ` Kiril Vidimce
2001-12-07  9:15     ` Alan Cox
2001-12-07  9:13       ` Kiril Vidimce
2001-12-07  9:28         ` Alan Cox
2001-12-07  9:26       ` James Davies
2001-12-07  9:43         ` Alan Cox
2001-12-07 13:10           ` James Davies
2001-12-07 13:41             ` Dave Jones
2001-12-07 13:59               ` James Davies
2001-12-07 13:53             ` Alan Cox
2001-12-07  9:45     ` Anton Altaparmakov
2001-12-07 10:38       ` Alan Cox
2002-02-06 16:58       ` Denis Vlasenko
2002-02-06 13:42         ` Alan Cox
2002-02-06 17:20           ` Christoph Hellwig
2001-12-07 10:12     ` Anton Altaparmakov
2001-12-07  5:40 Kiril Vidimce
2001-12-07  5:58 ` Jeffrey H. Ingber

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