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From: Andi Kleen <andi@firstfloor.org>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Andi Kleen <andi@firstfloor.org>,
	"H. Peter Anvin" <hpa@linux.intel.com>,
	Borislav Petkov <bp@alien8.de>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	X86 ML <x86@kernel.org>
Subject: Re: STI architectural question (and lretq -- I'm not even kidding)
Date: Thu, 24 Jul 2014 01:10:32 +0200	[thread overview]
Message-ID: <20140723231032.GZ18735@two.firstfloor.org> (raw)
In-Reply-To: <CALCETrWKQgnZfNmcQcROc1rOuoks7=P6VjGvwoE3aP4jTTgC0A@mail.gmail.com>

> I think that, other than broadcast MCEs, #MC that hits in kernel mode
> is non-recoverable, or at least can't safely be recovered.  (There's a
> separate APIC interrupt for recoverable errors, I think, but that's a
> much saner interface.)

There are multiple valid cases where #MC can return.

-Andi

  reply	other threads:[~2014-07-23 23:10 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-23  0:10 STI architectural question (and lretq -- I'm not even kidding) Andy Lutomirski
2014-07-23  1:03 ` Linus Torvalds
2014-07-23  1:33   ` Andy Lutomirski
2014-07-23 10:49     ` Borislav Petkov
2014-07-23 15:12       ` Andy Lutomirski
2014-07-23 15:23         ` Borislav Petkov
2014-07-23  9:40   ` Borislav Petkov
2014-07-23 21:18 ` Andi Kleen
2014-07-23 21:52   ` Andy Lutomirski
2014-07-23 23:10     ` Andi Kleen [this message]
2014-07-24 22:15       ` H. Peter Anvin

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