linux-kernel - Re: [Patch] lkdtm: avoid calling lkdtm_do

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Message-ID: <4F27EBBF.6040103@gmail.com>
Date:	Tue, 31 Jan 2012 21:25:19 +0800
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org, Prarit Bhargava <prarit@...hat.com>,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <greg@...ah.com>
Subject: Re: [Patch] lkdtm: avoid calling lkdtm_do_action() with spin lock
 held

On 01/31/2012 04:54 AM, Andrew Morton wrote:
>
> lkdtm_handler() can be called from module IRQ handlers, so perhaps the
> same problems can still happen.  The patch does improve things though ;)
>

Yeah, what do you think about patch below (untested)?

---

Signed-off-by: WANG Cong <xiyou.wangcong@...il.com>

View attachment "lkdtm-2.diff" of type "text/x-patch" (1031 bytes)