linux-kernel - Re: [V3 PATCH 1/4] panic/x86: Fix re-entrance problem due to panic on NMI

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Message-ID: <20150820234500.GI3161@worktop.event.rightround.com>
Date:	Fri, 21 Aug 2015 01:45:00 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Hidehiro Kawai <hidehiro.kawai.ez@...achi.com>
Cc:	Jonathan Corbet <corbet@....net>, Ingo Molnar <mingo@...nel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Vivek Goyal <vgoyal@...hat.com>, linux-doc@...r.kernel.org,
	x86@...nel.org, kexec@...ts.infradead.org,
	linux-kernel@...r.kernel.org, Michal Hocko <mhocko@...nel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Subject: Re: [V3 PATCH 1/4] panic/x86: Fix re-entrance problem due to panic
 on NMI

On Thu, Aug 06, 2015 at 02:45:43PM +0900, Hidehiro Kawai wrote:
> diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
> index d05bd2e..dcd4038 100644
> --- a/arch/x86/kernel/nmi.c
> +++ b/arch/x86/kernel/nmi.c
> @@ -231,7 +231,7 @@ void unregister_nmi_handler(unsigned int type, const char *name)
>  #endif
>  
>  	if (panic_on_unrecovered_nmi)
> -		panic("NMI: Not continuing");
> +		nmi_panic("NMI: Not continuing");
>  
>  	pr_emerg("Dazed and confused, but trying to continue\n");
>  

What tree is this again.. my tree (-tip) doesn't have
panic_on_unrecovered_nmi nonsense.

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