From: "H. Peter Anvin" <hpa@linux.intel.com>
To: Andi Kleen <andi@firstfloor.org>, Andy Lutomirski <luto@amacapital.net>
Cc: 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 15:15:23 -0700 [thread overview]
Message-ID: <53D1857B.4050307@linux.intel.com> (raw)
In-Reply-To: <20140723231032.GZ18735@two.firstfloor.org>
On 07/23/2014 04:10 PM, Andi Kleen wrote:
>> 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.
>
Indeed, not just broadcast #MC.
-hpa
prev parent reply other threads:[~2014-07-24 22:15 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
2014-07-24 22:15 ` H. Peter Anvin [this message]
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