From: Borislav Petkov <bp@alien8.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jiri Kosina <jkosina@suse.cz>,
Andy Lutomirski <luto@amacapital.net>,
Thomas Gleixner <tglx@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>,
Andi Kleen <andi@firstfloor.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@kernel.org>
Subject: Re: [RFC] x86_64: A real proposal for iret-less return to kernel
Date: Wed, 21 May 2014 23:43:19 +0200 [thread overview]
Message-ID: <20140521214319.GF25130@pd.tnic> (raw)
In-Reply-To: <CA+55aFwiZxg3kS7seKPnkteOBA5N8ENXt6Y+Azn_HH6Z1iRN5w@mail.gmail.com>
On Thu, May 22, 2014 at 06:37:26AM +0900, Linus Torvalds wrote:
> Seriously. If an NMI is interrupted by an MCE, you might as well
> consider the machine dead. Don't worry about it. We may or may not
> recover, but it is *not* our problem.
I certainly like this way of handling it. We can even issue a nice
banner saying something like "You're f*cked - go change hw."
:-)
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
next prev parent reply other threads:[~2014-05-21 21:43 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-21 0:53 [RFC] x86_64: A real proposal for iret-less return to kernel Andy Lutomirski
2014-05-21 2:27 ` Steven Rostedt
2014-05-21 2:33 ` H. Peter Anvin
2014-05-21 2:39 ` Andy Lutomirski
2014-05-21 9:46 ` Borislav Petkov
2014-05-21 15:21 ` Andy Lutomirski
2014-05-21 16:30 ` Borislav Petkov
2014-05-21 17:52 ` Andy Lutomirski
2014-05-21 18:07 ` Borislav Petkov
2014-05-21 12:51 ` Jiri Kosina
2014-05-21 15:21 ` Andy Lutomirski
2014-05-21 16:33 ` Borislav Petkov
2014-05-21 21:25 ` Jiri Kosina
2014-05-21 21:35 ` Andy Lutomirski
2014-05-21 21:48 ` Borislav Petkov
2014-05-21 21:52 ` Andy Lutomirski
2014-05-21 21:55 ` Borislav Petkov
2014-05-21 21:59 ` Jiri Kosina
2014-05-21 21:59 ` Andy Lutomirski
2014-05-21 22:01 ` Luck, Tony
2014-05-21 22:13 ` Andy Lutomirski
2014-05-21 22:17 ` Borislav Petkov
2014-05-21 22:20 ` Andy Lutomirski
2014-05-21 22:36 ` Borislav Petkov
2014-05-21 22:18 ` Luck, Tony
2014-05-21 22:24 ` Andy Lutomirski
2014-05-21 22:32 ` Luck, Tony
2014-05-21 22:39 ` Andy Lutomirski
2014-05-21 22:48 ` Borislav Petkov
2014-05-21 22:52 ` Andy Lutomirski
2014-05-21 23:02 ` Borislav Petkov
2014-05-21 23:05 ` Luck, Tony
2014-05-21 23:07 ` Andy Lutomirski
2014-05-21 23:19 ` Luck, Tony
2014-05-21 23:30 ` Linus Torvalds
2014-05-21 23:40 ` Luck, Tony
2014-05-21 23:51 ` Borislav Petkov
2014-05-22 0:03 ` Linus Torvalds
2014-05-22 8:50 ` Borislav Petkov
2014-05-22 0:05 ` Andy Lutomirski
2014-05-21 21:37 ` Linus Torvalds
2014-05-21 21:43 ` Borislav Petkov [this message]
2014-05-21 21:45 ` H. Peter Anvin
2014-05-21 21:47 ` Andy Lutomirski
2014-05-21 21:54 ` Borislav Petkov
2014-05-21 22:00 ` H. Peter Anvin
2014-05-21 22:11 ` Borislav Petkov
2014-05-21 22:13 ` H. Peter Anvin
2014-05-21 22:21 ` Borislav Petkov
2014-05-26 10:18 ` [PATCH] x86, MCE: Flesh out when to panic comment Borislav Petkov
2014-05-26 10:51 ` Jiri Kosina
2014-05-26 11:06 ` Borislav Petkov
2014-05-26 16:47 ` Andy Lutomirski
2014-05-26 17:51 ` Borislav Petkov
2014-05-26 17:59 ` Andy Lutomirski
2014-05-27 21:53 ` Luck, Tony
2014-05-27 22:24 ` Borislav Petkov
2014-05-27 22:33 ` Luck, Tony
2014-05-21 21:50 ` [RFC] x86_64: A real proposal for iret-less return to kernel Jiri Kosina
2014-05-21 18:11 ` Andy Lutomirski
2014-05-21 22:36 ` H. Peter Anvin
2014-05-21 22:41 ` Andy Lutomirski
2014-05-21 23:03 ` H. Peter Anvin
2014-05-21 22:25 ` Andi Kleen
2014-05-21 22:32 ` Andy Lutomirski
2014-05-21 22:33 ` Linus Torvalds
2014-05-21 23:23 ` Andi Kleen
2014-05-21 23:34 ` Linus Torvalds
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