linux-kernel - Re: [PATCH 0/4] Enable deferred error interrupts

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Message-ID: <20150501071830.GB19852@gmail.com>
Date:	Fri, 1 May 2015 09:18:30 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Aravind Gopalakrishnan <Aravind.Gopalakrishnan@....com>
Cc:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	tony.luck@...el.com, bp@...en8.de, jiang.liu@...ux.intel.com,
	yinghai@...nel.org, x86@...nel.org, dvlasenk@...hat.com,
	JBeulich@...e.com, slaoub@...il.com, luto@...capital.net,
	dave.hansen@...ux.intel.com, oleg@...hat.com, rostedt@...dmis.org,
	rusty@...tcorp.com.au, prarit@...hat.com, linux@...musvillemoes.dk,
	jroedel@...e.de, andriy.shevchenko@...ux.intel.com,
	macro@...ux-mips.org, wangnan0@...wei.com,
	linux-kernel@...r.kernel.org, linux-edac@...r.kernel.org
Subject: Re: [PATCH 0/4] Enable deferred error interrupts


* Aravind Gopalakrishnan <Aravind.Gopalakrishnan@....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:

>  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.

Thanks,

	Ingo
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