From: James Bottomley <James.Bottomley@SteelEye.com>
To: "Carlos O'Donell" <carlos@baldric.uwo.ca>
Cc: PARISC list <parisc-linux@lists.parisc-linux.org>
Subject: Re: [parisc-linux] [RFC] Revamp exception handling in the kernel
Date: 12 Sep 2004 11:03:32 -0400 [thread overview]
Message-ID: <1095001418.1714.7.camel@mulgrave> (raw)
In-Reply-To: <20040912142908.GM1854@baldric.uwo.ca>
On Sun, 2004-09-12 at 10:29, Carlos O'Donell wrote:
> Are relocations generated against the exception table entries?
Yes. A module is just a normal .o file with a few extra sections. It
contains all the relocations a .o file usually contains.
> > The same way we do in the regular kernel ... jump to the absolute
> > address.
>
> If relocations are generated against extable entries then all should be
> okay. The address will be fixed by the loader and everything is fine.
>
> That was my only worry, Randolph didn't seem to address testing a failed
> copy_from_user through a module extable.
>
> My other question about freeing a flag still stands though.
I'll let Randolph answer that ... I find thinks like this are sticky;
once you touch them you can never get them off your hands...
James
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next prev parent reply other threads:[~2004-09-12 15:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-11 16:53 [parisc-linux] [RFC] Revamp exception handling in the kernel Randolph Chung
2004-09-11 22:49 ` John David Anglin
2004-09-12 13:10 ` Carlos O'Donell
2004-09-12 13:47 ` Carlos O'Donell
2004-09-12 13:58 ` James Bottomley
2004-09-12 14:29 ` Carlos O'Donell
2004-09-12 15:03 ` James Bottomley [this message]
2004-09-12 16:15 ` Randolph Chung
2004-09-12 17:54 ` Carlos O'Donell
2004-09-12 18:48 ` Randolph Chung
2004-09-12 19:19 ` Carlos O'Donell
2004-09-13 23:37 ` Randolph Chung
2004-09-14 2:37 ` Randolph Chung
2004-09-14 18:52 ` Joel Soete
[not found] <20040914160613.GA28659@tausq.org>
2004-09-14 22:36 ` Carlos O'Donell
[not found] ` <41487C05.3010606@tiscali.be>
[not found] ` <41487D4C.2020004@tiscali.be>
2004-09-16 14:31 ` Carlos O'Donell
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