From: Ingo Molnar <mingo@elte.hu>
To: Srinivasa Ds <srinivasa@in.ibm.com>
Cc: linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org,
linuxppc-dev@ozlabs.org, paulus@samba.org,
"H. Peter Anvin" <hpa@zytor.com>,
akpm@linux-foundation.org, Thomas Gleixner <tglx@linutronix.de>,
Roland McGrath <roland@redhat.com>
Subject: Re: [RFC][PATCH] Demultiplexing SIGTRAP signal
Date: Tue, 23 Sep 2008 13:28:12 +0200 [thread overview]
Message-ID: <20080923112812.GL29021@elte.hu> (raw)
In-Reply-To: <200809231523.52802.srinivasa@in.ibm.com>
* Srinivasa Ds <srinivasa@in.ibm.com> wrote:
> On Monday 22 September 2008 20:24:04 Ingo Molnar wrote:
> > * Srinivasa Ds <srinivasa@in.ibm.com> wrote:
> > > --- linux-2.6.27-rc7.orig/arch/ia64/include/asm/siginfo.h
> > > +++ linux-2.6.27-rc7/arch/ia64/include/asm/siginfo.h
> >
> > please do not send patches that modify include/asm/ files, the
> > include/asm-x86/ file should be modified instead.
> >
> > (this problem will go away in v2.6.28 when we'll move include/asm-x86/
> > to arch/x86/include/)
> >
>
> Ingo, Sorry if I have confused you. [...]
hah, indeed - i mis-read them as include/asm/.
> Currently a SIGTRAP can denote any one of below reasons.
> - Breakpoint hit
> - H/W debug register hit
> - Single step
> - Signal sent through kill() or rasie()
>
> Architectures like powerpc/parisc provides infrastructure to
> demultiplex SIGTRAP signal by passing down the information for
> receiving SIGTRAP through si_code of siginfot_t structure. Here is an
> attempt is generalise this infrastructure by extending it to x86 and
> x86_64 archs.
applied to [the new topic] tip/core/signal, thanks Srinivasa! There are
some other pending x86 signal changes already, so i based
tip/core/signal on tip/x86/signal.
Roland, any opinion on this change?
Ingo
next prev parent reply other threads:[~2008-09-23 11:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-22 10:32 [RFC][PATCH] Demultiplexing SIGTRAP signal Srinivasa Ds
2008-09-22 10:42 ` Ingo Molnar
2008-09-22 13:11 ` Srinivasa Ds
2008-09-22 14:54 ` Ingo Molnar
2008-09-23 9:53 ` Srinivasa Ds
2008-09-23 11:28 ` Ingo Molnar [this message]
2008-09-23 11:30 ` Ingo Molnar
2008-09-23 14:25 ` [RFC][PATCH] Demultiplexing SIGTRAP signal -v2 Srinivasa Ds
2008-09-23 14:31 ` Ingo Molnar
2008-09-26 9:06 ` Roland McGrath
2008-09-29 13:34 ` Srinivasa DS
2008-09-23 15:53 ` Gabriel Paubert
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