linux-kernel - Re: [PATCH 1/2] perf/probe: verify instruction/offset in perf before adding a uprobe

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Message-ID: <4F86D241.1030609@hitachi.com>
Date:	Thu, 12 Apr 2012 22:01:53 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Prashanth Nageshappa <prashanth@...ux.vnet.ibm.com>
Cc:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Jim Keniston <jkenisto@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-mm <linux-mm@...ck.org>, Oleg Nesterov <oleg@...hat.com>,
	Andi Kleen <andi@...stfloor.org>,
	Christoph Hellwig <hch@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Anton Arapov <anton@...hat.com>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Subject: Re: [PATCH 1/2] perf/probe: verify instruction/offset in perf before
 adding a uprobe

(2012/04/12 18:29), Prashanth Nageshappa wrote:
> To verify instruction/offset in perf, before adding a uprobe we
> need to use arc/x86/lib/insn.c from perf code. Since perf Makefile
> enables -Wswitch-default flag it causes build warnings/failures. This
> patch is to address the build warnings in insn.c.

Hmm, I see the reason why we need this. However, I think it should have
more correct error checking... I'll try that.

Thank you,

-- 
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@...achi.com
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