linux-kernel - Re: [PATCH 0/7] uprobes: register/unregister bugfixes

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Message-ID: <20120930194438.GA11222@redhat.com>
Date:	Sun, 30 Sep 2012 21:44:38 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Anton Arapov <anton@...hat.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] uprobes: register/unregister bugfixes

Forgot to mention,

This is on top of "[PATCH 0/3] uprobes: mprotect fixes" series,
which is still waiting for review...

On 09/30, Oleg Nesterov wrote:
>
> Hello.
>
> Misc bugfixes, mostly register/unregister related.
>
> Note: 4/7 and especially 6/7 are the really ugly (but hopefully
> temporary) hacks. We already discussed this, we should inspect
> the original insn in uprobe_register(). But this is not easy, and
> we need something simple to fix (some of) the bugs right now.
>
> Even 7/7 is ugly. Imho UPROBE_SKIP_SSTEP should die as well but
> this is another story.
>
> Oleg.
>
>  arch/x86/kernel/uprobes.c |   16 +------
>  include/linux/uprobes.h   |   10 ----
>  kernel/events/uprobes.c   |  107 +++++++++++++++++++++++++++++++-------------
>  3 files changed, 77 insertions(+), 56 deletions(-)

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