From: "H. Peter Anvin" <hpa@zytor.com>
To: Aurelien Jarno <aurelien@aurel32.net>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: Clear DF before calling signal handler
Date: Wed, 05 Mar 2008 10:17:37 -0800 [thread overview]
Message-ID: <47CEE3C1.8060304@zytor.com> (raw)
In-Reply-To: <20080305181424.GA12678@hall.aurel32.net>
Aurelien Jarno wrote:
> The Linux kernel currently does not clear the direction flag before
> calling a signal handler, whereas the x86/x86-64 ABI requires that.
> This become a real problem with gcc version 4.3, which assumes that
> the direction flag is correctly cleared at the entry of a function.
>
> This patches changes the setup_frame() functions to clear the
> direction before entering the signal handler.
>
> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Acked-by: H. Peter Anvin <hpa@zytor.com>
next prev parent reply other threads:[~2008-03-05 18:22 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-05 15:30 Linux doesn't follow x86/x86-64 ABI wrt direction flag Aurelien Jarno
2008-03-05 16:00 ` H. Peter Anvin
2008-03-05 19:58 ` Joe Buck
2008-03-05 20:23 ` Aurelien Jarno
2008-03-05 20:38 ` Michael Matz
2008-03-05 20:42 ` Joe Buck
2008-03-05 20:49 ` Jan Hubicka
2008-03-05 21:02 ` Michael Matz
2008-03-05 21:20 ` RELEASE BLOCKER: " Joe Buck
2008-03-05 21:32 ` Richard Guenther
2008-03-05 21:34 ` H. Peter Anvin
2008-03-05 21:40 ` Richard Guenther
2008-03-05 22:16 ` David Miller
2008-03-05 22:37 ` Joe Buck
2008-03-05 22:51 ` Michael Matz
2008-03-05 22:58 ` H. Peter Anvin
2008-03-05 23:07 ` Michael Matz
2008-03-05 23:10 ` David Miller
2008-03-05 23:16 ` Joe Buck
2008-03-05 23:12 ` Olivier Galibert
2008-03-05 21:43 ` Joe Buck
2008-03-05 21:44 ` Richard Guenther
[not found] ` <738B72DB-A1D6-43F8-813A-E49688D05771@apple.com>
2008-03-05 21:59 ` Michael Matz
2008-03-05 22:13 ` Adrian Bunk
2008-03-05 22:21 ` David Miller
2008-03-05 23:13 ` Olivier Galibert
2008-03-06 0:36 ` Chris Lattner
2008-03-06 0:47 ` H. Peter Anvin
[not found] ` <578FCA7D-D7A6-44F6-9310-4A97C13CDCBE@apple.com>
2008-03-06 1:12 ` H. Peter Anvin
2008-03-06 9:17 ` Jakub Jelinek
2008-03-06 13:51 ` Olivier Galibert
2008-03-06 14:03 ` Paolo Bonzini
2008-03-06 14:12 ` Olivier Galibert
2008-03-06 14:15 ` Andrew Haley
2008-03-06 17:58 ` Joe Buck
2008-03-06 18:10 ` Olivier Galibert
2008-03-06 18:13 ` Paolo Bonzini
2008-03-06 18:31 ` Jack Lloyd
2008-03-06 18:35 ` Andrew Pinski
2008-03-06 19:44 ` Paolo Bonzini
2008-03-06 19:43 ` Paolo Bonzini
2008-03-06 20:16 ` Jack Lloyd
2008-03-06 21:37 ` Artur Skawina
2008-03-06 15:09 ` Robert Dewar
2008-03-06 15:37 ` NightStrike
2008-03-06 15:43 ` H.J. Lu
2008-03-06 15:50 ` H. Peter Anvin
2008-03-06 16:23 ` Jakub Jelinek
2008-03-06 16:27 ` İsmail Dönmez
2008-03-06 16:58 ` H.J. Lu
2008-03-06 17:06 ` H. Peter Anvin
2008-03-06 17:14 ` H.J. Lu
2008-03-06 17:17 ` H. Peter Anvin
2008-03-06 17:34 ` H.J. Lu
2008-03-06 19:35 ` Robert Dewar
2008-03-06 17:18 ` Robert Dewar
2008-03-06 17:19 ` H. Peter Anvin
2008-03-06 19:25 ` Robert Dewar
2008-03-06 20:37 ` H. Peter Anvin
2008-03-07 8:28 ` Florian Weimer
2008-03-07 8:00 ` Andreas Jaeger
2008-03-06 15:57 ` Robert Dewar
2008-03-06 16:29 ` Paolo Bonzini
2008-03-06 17:18 ` H. Peter Anvin
2008-03-06 16:14 ` Artur Skawina
2008-03-06 0:49 ` Aurelien Jarno
2008-03-05 22:05 ` H. Peter Anvin
2008-03-06 2:11 ` Krzysztof Halasa
2008-03-06 8:44 ` Andi Kleen
2008-03-06 9:01 ` Jakub Jelinek
2008-03-06 15:20 ` H. Peter Anvin
2008-03-05 21:45 ` Aurelien Jarno
2008-03-05 21:43 ` Andrew Pinski
2008-03-05 21:43 ` Michael Matz
2008-03-05 22:12 ` Joe Buck
2008-03-05 22:17 ` David Miller
2008-03-05 23:17 ` Olivier Galibert
2008-03-05 23:21 ` David Daney
2008-03-06 14:06 ` Olivier Galibert
2008-03-08 19:10 ` Alexandre Oliva
2008-03-05 21:07 ` H. Peter Anvin
2008-03-05 20:44 ` H. Peter Anvin
2008-03-05 20:52 ` Aurelien Jarno
2008-03-05 21:23 ` David Miller
2008-03-06 9:53 ` Andrew Haley
2008-03-06 11:45 ` Andi Kleen
2008-03-06 12:06 ` Richard Guenther
2008-03-06 17:34 ` Joe Buck
2008-03-06 20:54 ` Richard Guenther
2008-03-06 20:56 ` H. Peter Anvin
2008-03-06 22:06 ` Andi Kleen
2008-03-07 4:56 ` Chris Lattner
2008-03-07 14:09 ` Michael Matz
2008-03-06 9:45 ` Mikael Pettersson
2008-03-05 16:56 ` H.J. Lu
2008-03-05 18:14 ` [PATCH] x86: Clear DF before calling signal handler Aurelien Jarno
2008-03-05 18:17 ` H. Peter Anvin [this message]
2008-03-06 9:21 ` Ingo Molnar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=47CEE3C1.8060304@zytor.com \
--to=hpa@zytor.com \
--cc=aurelien@aurel32.net \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.