From: Aravind Gopalakrishnan <aravind.gopalakrishnan@amd.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: <tglx@linutronix.de>, <mingo@redhat.com>, <hpa@zytor.com>,
<tony.luck@intel.com>, <bp@alien8.de>,
<jiang.liu@linux.intel.com>, <yinghai@kernel.org>,
<x86@kernel.org>, <dvlasenk@redhat.com>, <JBeulich@suse.com>,
<slaoub@gmail.com>, <luto@amacapital.net>,
<dave.hansen@linux.intel.com>, <oleg@redhat.com>,
<rostedt@goodmis.org>, <rusty@rustcorp.com.au>,
<prarit@redhat.com>, <linux@rasmusvillemoes.dk>,
<jroedel@suse.de>, <andriy.shevchenko@linux.intel.com>,
<macro@linux-mips.org>, <wangnan0@huawei.com>,
<linux-kernel@vger.kernel.org>, <linux-edac@vger.kernel.org>
Subject: Re: [PATCH 0/4] Enable deferred error interrupts
Date: Fri, 1 May 2015 09:50:44 -0500 [thread overview]
Message-ID: <554392C4.4060209@amd.com> (raw)
In-Reply-To: <20150501071830.GB19852@gmail.com>
On 5/1/2015 2:18 AM, Ingo Molnar wrote:
> * Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com> wrote:
>
>> Newer AMD processors can generate deferred errors and can be configured
>> to generate APIC interrupts on such events.
> What's the wider context of this? What is it good for?
>
> I suspect it's MCE related, but only from the diffstat:
Deferred errors indicate error conditions that were not corrected, but
require no action from S/W (or action is optional).
These errors provide info about a latent UC MCE that can occur when a
poisoned data is consumed by the processor.
HTH,
I shall include the short description in the cover letter of V2.
Thanks,
-Aravind.
>> arch/x86/kernel/cpu/mcheck/mce.c | 1 +
>> arch/x86/kernel/cpu/mcheck/mce_amd.c | 105 ++++++++++++++++++++++++++++++-
> Please provide proper high level description for the changes.
>
>
prev parent reply other threads:[~2015-05-01 14:50 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-30 14:49 Aravind Gopalakrishnan
2015-04-30 14:49 ` [PATCH 1/4] x86/mce: Define 'SUCCOR' cpuid bit Aravind Gopalakrishnan
2015-05-01 10:25 ` Borislav Petkov
2015-05-01 14:54 ` Aravind Gopalakrishnan
2015-05-03 9:01 ` Borislav Petkov
2015-05-01 15:09 ` Dave Hansen
2015-05-01 16:20 ` Borislav Petkov
2015-04-30 14:49 ` [PATCH 2/4] x86/mce/amd: Introduce deferred error interrupt handler Aravind Gopalakrishnan
2015-04-30 20:41 ` Andy Lutomirski
2015-05-01 4:16 ` Aravind Gopalakrishnan
2015-05-01 9:36 ` Borislav Petkov
2015-05-01 14:50 ` Aravind Gopalakrishnan
2015-05-03 9:22 ` Borislav Petkov
2015-05-04 15:29 ` Aravind Gopalakrishnan
2015-05-04 15:46 ` Borislav Petkov
2015-05-04 17:08 ` Aravind Gopalakrishnan
2015-05-04 18:46 ` Borislav Petkov
2015-05-04 19:06 ` Aravind Gopalakrishnan
2015-05-04 19:14 ` Borislav Petkov
2015-05-05 18:39 ` Aravind Gopalakrishnan
2015-05-05 20:28 ` Luck, Tony
2015-05-05 20:33 ` Aravind Gopalakrishnan
2015-04-30 14:49 ` [PATCH 3/4] x86, irq: Cleanup ordering of vector numbers Aravind Gopalakrishnan
2015-04-30 14:49 ` [PATCH 4/4] x86/mce/amd: Rename setup_APIC_mce Aravind Gopalakrishnan
2015-05-01 7:18 ` [PATCH 0/4] Enable deferred error interrupts Ingo Molnar
2015-05-01 14:50 ` Aravind Gopalakrishnan [this message]
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