From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=RagP=LF=intel.com=keith.busch@kernel.org>
Return-Path: <SRS0=RagP=LF=intel.com=keith.busch@kernel.org>
Date: Wed, 22 Aug 2018 08:38:53 -0600
From: Keith Busch <keith.busch@intel.com>
To: Lukas Wunner <lukas@wunner.de>
Cc: Sinan Kaya <okaya@kernel.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	poza@codeaurora.org, Bjorn Helgaas <helgaas@kernel.org>,
	Thomas Tai <thomas.tai@oracle.com>, bhelgaas@google.com,
	linux-pci@vger.kernel.org, linux-pci-owner@vger.kernel.org,
	Sam Bobroff <sam.bobroff@au1.ibm.com>
Subject: Re: [PATCH 1/1] PCI/AER: prevent pcie_do_fatal_recovery from using
 device after it is removed
Message-ID: <20180822143853.GC19320@localhost.localdomain>
References: <2ecd1fd6d763810d45697f846fa876b58a193b1b.camel@kernel.crashing.org>
 <20180820155325.GA16148@localhost.localdomain>
 <cf6de256280be7a2948db6dd2b5bfae92e70e12f.camel@kernel.crashing.org>
 <6aa71d74-e4dc-c627-1496-981278388bce@kernel.org>
 <20180820213544.GA16805@localhost.localdomain>
 <0193e0c5a52d8f2e93958f0683f3acc81cef2bc9.camel@kernel.crashing.org>
 <fd538f20-0754-f127-ceb9-693fec90b4af@kernel.org>
 <44195c0d7159ce4cd01b660002b2f5af5d53678b.camel@kernel.crashing.org>
 <184814fb-0caf-b260-4415-8f96fbdf4831@kernel.org>
 <20180822091333.rre2okhnrot44dyq@wunner.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
In-Reply-To: <20180822091333.rre2okhnrot44dyq@wunner.de>
List-ID: <linux-pci.vger.kernel.org>

On Wed, Aug 22, 2018 at 11:13:33AM +0200, Lukas Wunner wrote:
> On Mon, Aug 20, 2018 at 06:13:03PM -0400, Sinan Kaya wrote:
> > presence detect is optional
> 
> Hm, how so?  Do you have a spec reference for that?

Yeah, presence detect state and change are required if the slot supports
hot plug. If the slot doesn't support these, error handling becomes a
lot simpler.