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From: Borislav Petkov <bp@alien8.de>
To: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	James Morse <james.morse@arm.com>,
	"Hawa, Hanna" <hhhawa@amazon.com>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>,
	"Woodhouse, David" <dwmw@amazon.co.uk>,
	"paulmck@linux.ibm.com" <paulmck@linux.ibm.com>,
	"mark.rutland@arm.com" <mark.rutland@arm.com>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"davem@davemloft.net" <davem@davemloft.net>,
	"nicolas.ferre@microchip.com" <nicolas.ferre@microchip.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"Shenhar, Talel" <talel@amazon.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Chocron, Jonathan" <jonnyc@amazon.com>,
	"Krupnik, Ronen" <ronenk@amazon.com>,
	"linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
	"Hanoch, Uri" <hanochu@amazon.com>
Subject: Re: [PATCH 2/2] edac: add support for Amazon's Annapurna Labs EDAC
Date: Wed, 12 Jun 2019 13:00:39 +0200	[thread overview]
Message-ID: <20190612110039.GH32652@zn.tnic> (raw)
In-Reply-To: <20190612074242.53a4cf56@coco.lan>

On Wed, Jun 12, 2019 at 07:42:42AM -0300, Mauro Carvalho Chehab wrote:
> That's said, from the admin PoV, it makes sense to have a single
> daemon that collect errors from all error sources and take the
> needed actions.

Doing recovery actions in userspace is too flaky. Daemon can get killed
at any point in time and there are error types where you want to do
recovery *before* you return to userspace.

Yes, we do have different error reporting facilities but I still think
that concentrating all the error information needed in order to do
proper recovery action is the better approach here. And make that part
of the kernel so that it is robust. Userspace can still configure it and
so on.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

  reply	other threads:[~2019-06-12 11:00 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-30 10:15 [PATCH 0/2] Add support for Amazon's Annapurna Labs EDAC for L1/L2 Hanna Hawa
2019-05-30 10:15 ` [PATCH 1/2] dt-bindings: EDAC: add Amazon Annapurna Labs EDAC binding Hanna Hawa
2019-05-30 11:54   ` Greg KH
2019-05-31  0:35     ` Borislav Petkov
2019-05-30 10:15 ` [PATCH 2/2] edac: add support for Amazon's Annapurna Labs EDAC Hanna Hawa
2019-05-30 11:57   ` Greg KH
2019-05-30 12:52     ` hhhawa
2019-05-30 13:04       ` Joe Perches
2019-05-30 18:19   ` Boris Petkov
2019-05-31  1:15     ` Herrenschmidt, Benjamin
2019-05-31  5:14       ` Borislav Petkov
2019-06-05 15:13         ` James Morse
2019-06-06  7:53         ` Hawa, Hanna
2019-06-06 10:03           ` Borislav Petkov
2019-06-06 10:33           ` James Morse
2019-06-06 11:22             ` Borislav Petkov
2019-06-06 11:37             ` Shenhar, Talel
2019-06-07 15:11               ` James Morse
2019-06-08  0:22                 ` Benjamin Herrenschmidt
2019-06-08  0:16             ` Benjamin Herrenschmidt
2019-06-08  9:05               ` Borislav Petkov
2019-06-11  5:50                 ` Benjamin Herrenschmidt
2019-06-11  7:21                   ` Benjamin Herrenschmidt
2019-06-11 11:56                     ` Borislav Petkov
2019-06-11 22:25                       ` Benjamin Herrenschmidt
2019-06-12  3:48                         ` Borislav Petkov
2019-06-12  8:29                           ` Benjamin Herrenschmidt
2019-06-12 10:42                             ` Borislav Petkov
2019-06-12 23:54                               ` Benjamin Herrenschmidt
2019-06-13  7:44                                 ` Borislav Petkov
2019-06-14 10:53                                 ` Borislav Petkov
2019-06-12 10:42                             ` Mauro Carvalho Chehab
2019-06-12 11:00                               ` Borislav Petkov [this message]
2019-06-12 11:42                                 ` Mauro Carvalho Chehab
2019-06-12 11:57                                   ` Benjamin Herrenschmidt
2019-06-12 12:25                                     ` Borislav Petkov
2019-06-12 12:35                                       ` Hawa, Hanna
2019-06-12 15:34                                         ` Borislav Petkov
2019-06-12 23:57                                       ` Benjamin Herrenschmidt
2019-06-12 23:56                                 ` Benjamin Herrenschmidt
2019-06-11  7:29                   ` Hawa, Hanna
2019-06-11 11:59                     ` Borislav Petkov
2019-06-11 11:47                   ` Borislav Petkov
2019-06-03  6:56       ` Hawa, Hanna
2019-06-05 15:16   ` James Morse
2019-06-11 19:56     ` Hawa, Hanna
2019-06-13 17:05       ` James Morse
2019-06-14 10:49         ` James Morse
2019-06-17 13:00         ` Hawa, Hanna
2019-06-19 17:22           ` James Morse

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