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Re: [RFC] [PATCH 2.6.37-rc5-tip 16/20] 16: uprobes: register a notifier for uprobes.
- From: Srikar Dronamraju <srikar at linux dot vnet dot ibm dot com>
- To: Peter Zijlstra <peterz at infradead dot org>
- Cc: Ingo Molnar <mingo at elte dot hu>, Steven Rostedt <rostedt at goodmis dot org>, Arnaldo Carvalho de Melo <acme at infradead dot org>, Linus Torvalds <torvalds at linux-foundation dot org>, Masami Hiramatsu <masami dot hiramatsu dot pt at hitachi dot com>, Christoph Hellwig <hch at infradead dot org>, Andi Kleen <andi at firstfloor dot org>, Oleg Nesterov <oleg at redhat dot com>, LKML <linux-kernel at vger dot kernel dot org>, SystemTap <systemtap at sources dot redhat dot com>, Linux-mm <linux-mm at vger dot kernel dot org>, Jim Keniston <jkenisto at linux dot vnet dot ibm dot com>, Frederic Weisbecker <fweisbec at gmail dot com>, Ananth N Mavinakayanahalli <ananth at in dot ibm dot com>, Andrew Morton <akpm at linux-foundation dot org>, "Paul E. McKenney" <paulmck at linux dot vnet dot ibm dot com>
- Date: Thu, 27 Jan 2011 12:20:32 +0530
- Subject: Re: [RFC] [PATCH 2.6.37-rc5-tip 16/20] 16: uprobes: register a notifier for uprobes.
- References: <20101216095714.23751.52601.sendpatchset@localhost6.localdomain6> <20101216100021.23751.19275.sendpatchset@localhost6.localdomain6> <1295963778.28776.1058.camel@laptop>
- Reply-to: Srikar Dronamraju <srikar at linux dot vnet dot ibm dot com>
* Peter Zijlstra <peterz@infradead.org> [2011-01-25 14:56:18]:
> On Thu, 2010-12-16 at 15:30 +0530, Srikar Dronamraju wrote:
> > Uprobe needs to be intimated on int3 and singlestep exceptions.
> > Hence uprobes registers a die notifier so that its notified of the events.
>
> Why isn't this part of the previous patch? This splitup really doesn't
> make sense.
The die notifier which is introduced in patch 15 is arch dependent
(i.e x86). Whereever possible I have kept the arch dependent parts
separate from the arch independent parts so that porting to
another architecture becomes easier and clear.
--
Thanks and Regards
Srikar