linux-kernel - Re: [RFC PATCH 0/2] kpatch: dynamic kernel patching

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Message-ID: <20140501210601.GG2382@two.firstfloor.org>
Date:	Thu, 1 May 2014 23:06:01 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Josh Poimboeuf <jpoimboe@...hat.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Seth Jennings <sjenning@...hat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>, Jiri Slaby <jslaby@...e.cz>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/2] kpatch: dynamic kernel patching

> When bar returns, would it skip foo and go straight back to foo's
> caller?  If so, then it should be safe to patch foo after it jumps to
> bar.

foo is no problem, you see it in the backtrace.
But you don't see bar.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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