linux-kernel - Re: [PATCH] livepatch: RCU protect struct klp_func all the time when used in klp_ftrace

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Message-ID: <alpine.LNX.2.00.1502222303300.19920@pobox.suse.cz>
Date:	Sun, 22 Feb 2015 23:03:47 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Petr Mladek <pmladek@...e.cz>
cc:	jpoimboe@...hat.com, sjenning@...hat.com, vojtech@...e.cz,
	masami.hiramatsu.pt@...achi.com, mbenes@...e.cz,
	live-patching@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] livepatch: RCU protect struct klp_func all the time when
 used in klp_ftrace_handler()

On Wed, 18 Feb 2015, Petr Mladek wrote:

> func->new_func has been accessed after rcu_read_unlock() in klp_ftrace_handler()
> and therefore the access was not protected.
> 
> Signed-off-by: Petr Mladek <pmladek@...e.cz>

Applied to for-3.20/upstream-fixes, thanks.

-- 
Jiri Kosina
SUSE Labs
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