linux-kernel - Re: [PATCH] x86, MCE: Flesh out when to panic comment

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Message-ID: <CALCETrVEZ3+YMP8GvmkY=scYzHuR_1sTZRFf+4rEj-4ac17PTw@mail.gmail.com>
Date:	Mon, 26 May 2014 09:47:38 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Jiri Kosina <jkosina@...e.cz>, "H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	Andi Kleen <andi@...stfloor.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	"Luck, Tony" <tony.luck@...el.com>
Subject: Re: [PATCH] x86, MCE: Flesh out when to panic comment

On Mon, May 26, 2014 at 4:06 AM, Borislav Petkov <bp@...en8.de> wrote:
> On Mon, May 26, 2014 at 12:51:10PM +0200, Jiri Kosina wrote:
>> I think the comment is still not explaining the big part of what the
>> discussion was about -- i.e. if it was in kernel context, we always
>> panic.
>
> I thought the pointer to mce_severity was enough? People should open an
> editor and look at the function and at its gory insanity. :-P

It may be worth at least pointing out that mce_severity looks at
whether we faulted from kernel context.  I missed that the first time
around because mce_severity doesn't take a pt_regs pointer.

--Andy
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