linux-kernel - Re: [PATCH 3/9] uprobes: allow ignoring of probe hits

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Message-ID: <CAH+eYFBHXAWTinnVO8vEnEhFDQLibwo+BtxYJJYdPcG9__n5OQ@mail.gmail.com>
Date:	Tue, 16 Oct 2012 22:11:50 +0200
From:	Rabin Vincent <rabin@....in>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Peter Zijlstra <peterz@...radead.org>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Subject: Re: [PATCH 3/9] uprobes: allow ignoring of probe hits

2012/10/15 Oleg Nesterov <oleg@...hat.com>:
> On 10/14, Rabin Vincent wrote:
>> Allow arches to decided to ignore a probe hit.  ARM will use this to
>> only call handlers if the conditions to execute a conditionally executed
>> instruction are satisfied.
>
> Not sure I understand why we shouldn't call handlers in this case,
> but OK, I know nothing about arm.

This old discussion about kprobes should be useful:

http://lists.infradead.org/pipermail/linux-arm-kernel/2011-March/045755.html
http://lists.infradead.org/pipermail/linux-arm-kernel/2011-March/046544.html

> This conflicts with other changes in
>
>         git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc uprobes/core
>
> Could you re-diff?

OK, I will rebase them.
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