linux-kernel - [PATCH 0/3] uprobes/x86: cleanup "riprel" functions

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Date:	Sun, 27 Apr 2014 18:52:01 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Anton Arapov <aarapov@...hat.com>,
	David Long <dave.long@...aro.org>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Jim Keniston <jkenisto@...ibm.com>,
	Jonathan Lebon <jlebon@...hat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/3] uprobes/x86: cleanup "riprel" functions

On 04/25, Oleg Nesterov wrote:
>
> On 04/17, Oleg Nesterov wrote:
> >
> > This series only fixes the problem. I'll send more changes to address
> > some of TODO's mentioned in the changelogs later.
>
> This is probably the last series I am sending in this thread, before the
> next PULL request. This completes the changes which I planned from the
> very beginning, except "emulate jczx/loopz" which I am still unsure about.

I lied, let me send another short series.

I was not going to do this now, I am a bit tired of uprobes ;) But it seems
that Denys has a very good idea, we can simplify rip-relative handling.

However, if we are are going to change this code, imho we need to cleanup it
first. handle_riprel_insn(), pre_xol_rip_insn() and handle_riprel_post_xol()
look really annoying, imho. Even the naming asks for the cleanup imo, despite
the fact that usually I ignore the naming completely.

Oleg.

 arch/x86/kernel/uprobes.c |   56 +++++++++++++++++++++------------------------
 1 files changed, 26 insertions(+), 30 deletions(-)

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