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Message-Id: <1219935307.7107.302.camel@pmac.infradead.org>
Date: Thu, 28 Aug 2008 15:55:07 +0100
From: David Woodhouse <dwmw2@...radead.org>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Arjan van de Ven <arjan@...ux.intel.com>,
LKML <linux-kernel@...r.kernel.org>,
Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
linuxppc-dev@...abs.org, linux-next@...r.kernel.org, mingo@...e.hu
Subject: Re: [BUG] linux-next: Tree for August 26 - Badness at
kernel/notifier.c:25
On Thu, 2008-08-28 at 15:23 +0100, David Woodhouse wrote:
> On Thu, 2008-08-28 at 00:38 +1000, Stephen Rothwell wrote:
> > Hi Arjan,
> >
> > On Thu, 28 Aug 2008 00:33:08 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> > >
> > > The original reported trace was during setup_system which is very early in
> > > the boot.
> >
> > But, of course, that version didn't have the necessary extra dereference
> > of the function address ...
> >
> > And the later debug patch did not check the address at register time,
> > only at notify time.
> >
> > The later trace also looks to be early in the boot.
>
> It's isa_bridge_notify(), which is neither within _[se]text nor
> _[se]inittext, so the core_kernel_text() function disavows it.
>
> Where are __devinit functions supposed to end up?
The TEXT_TEXT macro defined in <asm-generic/vmlinux.lds.h> should get
this right... but we don't use it. Is there any particular reason for
that, or should we....
Signed-off-by: David Woodhouse <David.Woodhouse@...el.com>
--- linux-2.6.26.ppc64/arch/powerpc/kernel/vmlinux.lds.S~ 2008-07-13 22:51:29.000000000 +0100
+++ linux-2.6.26.ppc64/arch/powerpc/kernel/vmlinux.lds.S 2008-08-28 15:39:14.000000000 +0100
@@ -35,10 +35,11 @@ SECTIONS
ALIGN_FUNCTION();
*(.text.head)
_text = .;
- *(.text .fixup .text.init.refok .exit.text.refok)
+ TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
KPROBES_TEXT
+ *(.fixup)
#ifdef CONFIG_PPC32
*(.got1)
--
David Woodhouse Open Source Technology Centre
David.Woodhouse@...el.com Intel Corporation
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