linux-kernel - Re: [PATCH v7 1/2] printk: add interface for disabling recursion check

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Message-ID: <20120608123044.GA10978@x1.osrc.amd.com>
Date:	Fri, 8 Jun 2012 14:30:44 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	ShuoX Liu <shuox.liu@...el.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Yanmin Zhang <yanmin_zhang@...ux.intel.com>,
	"Luck, Tony" <tony.luck@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"andi@...stfloor.org" <andi@...stfloor.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH v7 1/2] printk: add interface for disabling recursion
 check

On Thu, Jun 07, 2012 at 10:57:26AM +0800, ShuoX Liu wrote:
> From: ShuoX Liu <shuox.liu@...el.com>
> 
> With some special scenario, such as Machine Check Exception happened
> in printk, we want to bypass printk recursion check to printk some
> important information. So we add these interfaces of printk.
> 
> 1) printk_recursion_check_disable() for disabling recursion check
> 2) printk_recursion_check_enable() for enabling recursion check
> 
> Signed-off-by: Yanmin Zhang <yanmin_zhang@...ux.intel.com>
> Signed-off-by: ShuoX Liu <shuox.liu@...el.com>

Acked-by: Borislav Petkov <borislav.petkov@....com>

-- 
Regards/Gruss,
Boris.
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