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Re: [PATCH] x86: Clear DF before calling signal handler
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From:
Ingo Molnar <mingo@...>
To: Aurelien Jarno <aurelien@...>, Thomas Gleixner <tglx@...>, Ingo Molnar <mingo@...>, H. Peter Anvin <hpa@...>, <linux-kernel@...>
Subject:
Re: [PATCH] x86: Clear DF before calling signal handler
Date: Thursday, March 6, 2008 - 5:21 am
* Aurelien Jarno <aurelien@aurel32.net> wrote:
quoted text
> 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.
thanks, applied. Ingo --
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Messages in current thread:
Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Aurelien Jarno
, (Wed Mar 5, 11:30 am)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, H.J. Lu
, (Wed Mar 5, 12:56 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, H. Peter Anvin
, (Wed Mar 5, 12:00 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Joe Buck
, (Wed Mar 5, 3:58 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Aurelien Jarno
, (Wed Mar 5, 4:23 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Mikael Pettersson
, (Thu Mar 6, 5:45 am)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Michael Matz
, (Wed Mar 5, 4:38 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, H. Peter Anvin
, (Wed Mar 5, 4:44 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Aurelien Jarno
, (Wed Mar 5, 4:52 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Andrew Haley
, (Thu Mar 6, 5:53 am)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Andi Kleen
, (Thu Mar 6, 7:45 am)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Richard Guenther
, (Thu Mar 6, 8:06 am)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Joe Buck
, (Thu Mar 6, 1:34 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Richard Guenther
, (Thu Mar 6, 4:54 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, H. Peter Anvin
, (Thu Mar 6, 4:56 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Andi Kleen
, (Thu Mar 6, 6:06 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Michael Matz
, (Fri Mar 7, 10:09 am)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Chris Lattner
, (Fri Mar 7, 12:56 am)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, David Miller
, (Wed Mar 5, 5:23 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Joe Buck
, (Wed Mar 5, 4:42 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Jan Hubicka
, (Wed Mar 5, 4:49 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, Michael Matz
, (Wed Mar 5, 5:02 pm)
RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt dir...
, Joe Buck
, (Wed Mar 5, 5:20 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Michael Matz
, (Wed Mar 5, 5:43 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Olivier Galibert
, (Wed Mar 5, 7:17 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, David Daney
, (Wed Mar 5, 7:21 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Olivier Galibert
, (Thu Mar 6, 10:06 am)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Alexandre Oliva
, (Sat Mar 8, 3:10 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, David Miller
, (Wed Mar 5, 6:17 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Joe Buck
, (Wed Mar 5, 6:12 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Andrew Pinski
, (Wed Mar 5, 5:43 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Richard Guenther
, (Wed Mar 5, 5:32 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Aurelien Jarno
, (Wed Mar 5, 5:45 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, H. Peter Anvin
, (Wed Mar 5, 5:34 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Andi Kleen
, (Thu Mar 6, 4:44 am)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Jakub Jelinek
, (Thu Mar 6, 5:01 am)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, H. Peter Anvin
, (Thu Mar 6, 11:20 am)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Richard Guenther
, (Wed Mar 5, 5:40 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, David Miller
, (Wed Mar 5, 6:16 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Michael Matz
, (Wed Mar 5, 6:51 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, H. Peter Anvin
, (Wed Mar 5, 6:58 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Michael Matz
, (Wed Mar 5, 7:07 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Olivier Galibert
, (Wed Mar 5, 7:12 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, David Miller
, (Wed Mar 5, 7:10 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Joe Buck
, (Wed Mar 5, 7:16 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Joe Buck
, (Wed Mar 5, 6:37 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Joe Buck
, (Wed Mar 5, 5:43 pm)
Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt...
, Richard Guenther
, (Wed Mar 5, 5:44 pm)
Re: Linux doesn't follow x86/x86-64 ABI wrt direction flag
, H. Peter Anvin
, (Wed Mar 5, 5:07 pm)
[PATCH] x86: Clear DF before calling signal handler
, Aurelien Jarno
, (Wed Mar 5, 2:14 pm)
Re: [PATCH] x86: Clear DF before calling signal handler
, Ingo Molnar
, (Thu Mar 6, 5:21 am)
Re: [PATCH] x86: Clear DF before calling signal handler
, H. Peter Anvin
, (Wed Mar 5, 2:17 pm)
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