From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Andi Kleen <ak@suse.de>
Cc: Christoph Lameter <clameter@sgi.com>, Ingo Molnar <mingo@elte.hu>,
Michal Piotrowski <michal.k.k.piotrowski@gmail.com>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: broken local_t on i386
Date: Mon, 12 Jun 2006 21:12:41 +0100 [thread overview]
Message-ID: <1150143161.25462.26.camel@localhost.localdomain> (raw)
In-Reply-To: <200606122011.52841.ak@suse.de>
Ar Llu, 2006-06-12 am 20:11 +0200, ysgrifennodd Andi Kleen:
> The segment register needs an offset. So you need the linker to generate
> the offset from the base of the per cpu segment somehow. At compile time the
> address is not known so it cannot be done then.
What happens if you put a section at zero and a section at non-fixed
address (aligned). In the asm macros you stick the variable in both,
using the zero based one for linker symbols and the non zero based one
for data, then discard the zero based one.
That used to work for old binutils which didn't care/spot if you were
discarding material you actually linked against. Not sure what todays
binutils does with it.
Alan
next prev parent reply other threads:[~2006-06-12 19:56 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-10 4:40 2.6.16-rc6-mm2 Andrew Morton
2006-06-10 10:23 ` 2.6.16-rc6-mm2 Michal Piotrowski
2006-06-10 16:24 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-10 16:43 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-10 16:51 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-10 17:03 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-10 18:04 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-10 18:14 ` 2.6.16-rc6-mm2 Michal Piotrowski
2006-06-10 18:31 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-10 18:35 ` 2.6.16-rc6-mm2 Michal Piotrowski
2006-06-12 11:05 ` 2.6.16-rc6-mm2 Ingo Molnar
2006-06-12 11:48 ` 2.6.16-rc6-mm2 Ingo Molnar
2006-06-12 12:14 ` 2.6.16-rc6-mm2 Andi Kleen
2006-06-12 13:07 ` 2.6.16-rc6-mm2 Ingo Molnar
2006-06-12 13:41 ` 2.6.16-rc6-mm2 Andi Kleen
2006-06-13 3:28 ` 2.6.16-rc6-mm2 Keith Owens
2006-06-13 4:56 ` 2.6.16-rc6-mm2 Andi Kleen
2006-06-13 5:08 ` 2.6.16-rc6-mm2 Keith Owens
2006-06-13 5:18 ` 2.6.16-rc6-mm2 Andi Kleen
2006-06-13 5:43 ` 2.6.16-rc6-mm2 Nick Piggin
2006-06-13 5:48 ` 2.6.16-rc6-mm2 Andi Kleen
2006-06-13 11:45 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-13 12:41 ` 2.6.16-rc6-mm2 Keith Owens
2006-06-12 16:37 ` broken local_t on i386 Christoph Lameter
2006-06-12 16:48 ` Andi Kleen
2006-06-12 16:54 ` Christoph Lameter
2006-06-12 17:06 ` Andi Kleen
2006-06-12 17:11 ` Christoph Lameter
2006-06-12 17:29 ` Andi Kleen
2006-06-12 18:14 ` Lee Revell
2006-06-12 18:46 ` Alan Cox
2006-06-12 18:27 ` Christoph Lameter
2006-06-12 17:35 ` Andi Kleen
2006-06-12 18:42 ` Christoph Lameter
2006-06-12 17:55 ` Andi Kleen
2006-06-12 18:59 ` Christoph Lameter
2006-06-12 18:11 ` Andi Kleen
2006-06-12 19:15 ` Christoph Lameter
2006-06-13 3:36 ` Andi Kleen
2006-06-12 20:12 ` Alan Cox [this message]
2006-06-13 4:02 ` Andi Kleen
2006-06-12 13:50 ` 2.6.16-rc6-mm2 Michal Piotrowski
2006-06-12 14:20 ` 2.6.16-rc6-mm2 Ingo Molnar
2006-06-12 14:57 ` 2.6.16-rc6-mm2 Michal Piotrowski
[not found] ` <6bffcb0e0606101126v55cc20dbk275d8aa7fdcb0f1a@mail.gmail.com>
2006-06-10 18:36 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-10 19:08 ` 2.6.16-rc6-mm2 Michal Piotrowski
2006-06-10 16:58 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-10 14:56 ` 2.6.16-rc6-mm2 Martin J. Bligh
2006-06-10 16:43 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-10 16:18 ` 2.6.16-rc6-mm2 Dominik Karall
2006-06-10 16:25 ` 2.6.16-rc6-mm2 Michal Piotrowski
2006-06-10 17:42 ` 2.6.16-rc6-mm2 Dominik Karall
2006-06-10 18:43 ` 2.6.16-rc6-mm2 Rafael J. Wysocki
2006-06-11 10:17 ` 2.6.16-rc6-mm2 Jan Engelhardt
2006-06-11 10:58 ` 2.6.16-rc6-mm2 Rafael J. Wysocki
2006-06-12 16:56 ` 2.6.16-rc6-mm2 Zan Lynx
2006-06-12 17:35 ` 2.6.16-rc6-mm2 Cedric Le Goater
2006-06-12 22:16 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-13 0:24 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-14 21:56 ` 2.6.16-rc6-mm2 Trond Myklebust
2006-06-13 7:22 ` 2.6.16-rc6-mm2 Cedric Le Goater
2006-06-13 17:54 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-13 19:35 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-13 20:22 ` 2.6.16-rc6-mm2 Cedric Le Goater
2006-06-13 21:13 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-13 21:50 ` 2.6.16-rc6-mm2 Cedric Le Goater
2006-06-12 18:19 ` 2.6.16-rc6-mm2 Badari Pulavarty
2006-06-13 13:54 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-13 17:04 ` 2.6.16-rc6-mm2 Badari Pulavarty
2006-06-12 22:09 ` 2.6.16-rc6-mm2 Steve Fox
2006-06-13 13:54 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-13 14:10 ` 2.6.16-rc6-mm2 Sergei Shtylyov
2006-06-13 19:01 ` 2.6.16-rc6-mm2 Steve Fox
2006-06-13 21:43 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-13 21:51 ` 2.6.16-rc6-mm2 Badari Pulavarty
2006-06-13 22:36 ` 2.6.16-rc6-mm2 Steve Fox
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