linux-kernel - Re: [PATCH v2 2/4] pciehp: Use link change notifications for hot-plug and removal

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Message-ID: <CAE9FiQX-ZP0R-weuPoOJ6GkPxOLp5jk9thnjfPQ+Q5tCHugD4w@mail.gmail.com>
Date:	Fri, 13 Dec 2013 17:58:08 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Rajat Jain <rajatjain@...iper.net>,
	Rajat Jain <rajatjain.linux@...il.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
	Alex Williamson <alex.williamson@...hat.com>,
	Yijing Wang <wangyijing@...wei.com>,
	Paul Bolle <pebolle@...cali.nl>,
	Rajat Jain <rajatxjain@...il.com>,
	Guenter Roeck <groeck@...iper.net>,
	Guenter Roeck <linux@...ck-us.net>
Subject: Re: [PATCH v2 2/4] pciehp: Use link change notifications for hot-plug
 and removal

On Fri, Dec 13, 2013 at 1:14 PM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:
> On Fri, Dec 13, 2013 at 12:04 PM, Rajat Jain <rajatjain@...iper.net> wrote:
>
>> Once again: the way I interpret this is:
>> * Always enable Link events.
>> * Disable presence events if attention button is present.
>
> That sounds like a good plan to me.

How about Diag_Reset from MPT2SAS and others?
link could up and down

Yinghai
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