From: Jeff Dike <jdike@addtoit.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Roland McGrath <roland@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: PT_DTRACE && uml
Date: Thu, 23 Apr 2009 12:02:29 -0400 [thread overview]
Message-ID: <20090423160229.GA9820@c2.user-mode-linux.org> (raw)
In-Reply-To: <20090422221726.GC22755@redhat.com>
On Thu, Apr 23, 2009 at 12:17:26AM +0200, Oleg Nesterov wrote:
> (cc Jeff Dike)
>
> So, arch/um/ seems to be the only user of PT_DTRACE.
>
> I do not understand this code at all. It looks as if we can just
> s/PT_DTRACE/TIF_SINGLESTEP/.
>
> But it can't be that simple?
It looks like it. The one odd part is the use in the signal delivery
code. That looks like a bug to me.
Jeff
next prev parent reply other threads:[~2009-04-23 16:02 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090330185146.D525AFC3AB@magilla.sf.frob.com>
[not found] ` <20090408203954.GA26816@redhat.com>
[not found] ` <20090416204004.GA28013@redhat.com>
[not found] ` <20090416232430.4DAE4FC3C6@magilla.sf.frob.com>
[not found] ` <20090420183718.GC32527@redhat.com>
[not found] ` <20090421011354.4B19EFC3C7@magilla.sf.frob.com>
[not found] ` <20090421214819.GA22845@redhat.com>
[not found] ` <20090422032205.B8D39FC3C7@magilla.sf.frob.com>
2009-04-22 22:04 ` ptracee data structures cleanup Oleg Nesterov
2009-04-22 22:06 ` remove PT_DTRACE from arch/* except arch/um Oleg Nesterov
2009-04-23 6:36 ` Roland McGrath
2009-04-22 22:17 ` PT_DTRACE && uml Oleg Nesterov
2009-04-23 6:39 ` Roland McGrath
2009-04-23 16:02 ` Jeff Dike [this message]
2009-04-26 22:09 ` Oleg Nesterov
2009-04-26 23:18 ` copy_process() && ti->flags (Was: PT_DTRACE && uml) Oleg Nesterov
2009-04-27 2:10 ` Roland McGrath
2009-04-22 23:01 ` ptracee data structures cleanup Mike Frysinger
2009-04-23 6:41 ` Roland McGrath
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