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From: Sinan Kaya <okaya@kernel.org>
To: "Pasi Kärkkäinen" <pasik@iki.fi>,
	"Christoph Hellwig" <hch@infradead.org>
Cc: jgross@suse.com,
	Satanand Burla <satananda.burla@caviumnetworks.com>,
	Govinda Tatti <Govinda.Tatti@Oracle.COM>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	linux-pci@vger.kernel.org, Russell Currey <ruscur@russell.cc>,
	linux-kernel@vger.kernel.org,
	Derek Chickles <derek.chickles@caviumnetworks.com>,
	Sinan Kaya <okaya@codeaurora.org>,
	Srikanth Jampala <Jampala.Srikanth@cavium.com>,
	Bjorn Helgaas <helgaas@kernel.org>,
	JBeulich@suse.com,
	Felix Manlunas <felix.manlunas@caviumnetworks.com>,
	bhelgaas@google.com, xen-devel@lists.xenproject.org,
	boris.ostrovsky@Oracle.COM,
	Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>,
	roger.pau@citrix.com
Subject: Re: [PATCH V3 1/2] Drivers/PCI: Export pcie_has_flr() interface
Date: Sun, 9 Sep 2018 22:33:02 -0400	[thread overview]
Message-ID: <9ffe43d2-a44b-974c-85c9-9923d71c5dba__27731.5663443462$1536558004$gmane$org@kernel.org> (raw)
In-Reply-To: <20180909185944.GC18222@reaktio.net>

On 9/9/2018 2:59 PM, Pasi Kärkkäinen wrote:
> I noticed pcie_has_flr() has been recently exported in upstream Linux:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2d2917f7747805a1f4188672f308d82a8ba01700
> 
> Are there more changes / cleanups planned to these interfaces, as mentioned last year?
> 
> (context: xen-pciback reset/do_flr features upstreaming, which kind of stalled last year when pcie_has_flr() wasn't exported at the time)

Exporting pcie_has_flr() is a very simple change which could have been done
by the XEN porting effort.

Maybe, the right question is what is so special about XEN reset?

What feature PCI core is missing to support XEN FLR reset that caused
the effort to stall?

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  parent reply	other threads:[~2018-09-10  2:33 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20171207222145.9769-1-Govinda.Tatti@Oracle.COM>
2017-12-07 22:21 ` [PATCH V3 1/2] Drivers/PCI: Export pcie_has_flr() interface Govinda Tatti
2017-12-08 20:24   ` Bjorn Helgaas
     [not found]   ` <20171208202424.GC12367@bhelgaas-glaptop.roam.corp.google.com>
2017-12-12  0:29     ` Govinda Tatti
     [not found]     ` <426eeeab-0dcd-8de3-9c5f-a166acf2c130@Oracle.COM>
2017-12-12  0:59       ` Bjorn Helgaas
     [not found]       ` <20171212005919.GB30595@bhelgaas-glaptop.roam.corp.google.com>
2017-12-13 20:46         ` Govinda Tatti
     [not found]         ` <49956aaf-5fd5-939d-5fc7-231ffdb98b70@Oracle.COM>
2017-12-13 21:24           ` Bjorn Helgaas
     [not found]           ` <20171213212420.GH30595@bhelgaas-glaptop.roam.corp.google.com>
2017-12-14 12:52             ` Christoph Hellwig
     [not found]             ` <20171214125206.GA24958@infradead.org>
2017-12-15  0:24               ` Bjorn Helgaas
2017-12-15 15:48             ` Govinda Tatti
2017-12-15 18:18               ` Bjorn Helgaas
     [not found]               ` <20171215181801.GU30595@bhelgaas-glaptop.roam.corp.google.com>
2017-12-15 20:01                 ` Govinda Tatti
2017-12-18  3:09                 ` Alexey Kardashevskiy
2017-12-18 12:26                 ` Christoph Hellwig
     [not found]                 ` <20171218122629.GA18423@infradead.org>
2017-12-18 17:22                   ` Govinda Tatti
2018-09-09 18:59                   ` Pasi Kärkkäinen
     [not found]                   ` <20180909185944.GC18222@reaktio.net>
2018-09-10  2:33                     ` Sinan Kaya [this message]
     [not found]                     ` <9ffe43d2-a44b-974c-85c9-9923d71c5dba@kernel.org>
2018-09-10  9:52                       ` Pasi Kärkkäinen
     [not found]                       ` <20180910095231.GD18222@reaktio.net>
2018-09-10 17:04                         ` Sinan Kaya
2017-12-12 15:07     ` Christoph Hellwig
2017-12-07 22:21 ` [PATCH V3 2/2] Xen/PCIback: Implement PCI flr/slot/bus reset with 'reset' SysFS attribute Govinda Tatti
     [not found] ` <20171207222145.9769-3-Govinda.Tatti@Oracle.COM>
2017-12-08  9:34   ` Jan Beulich
2017-12-12 14:48     ` Govinda Tatti
2017-12-12 15:01       ` Jan Beulich
     [not found]       ` <5A2FFD690200007800196DFB@prv-mh.provo.novell.com>
2017-12-12 15:14         ` Govinda Tatti
2017-12-15 19:52       ` Govinda Tatti
     [not found]       ` <f19dbb09-ef22-2cf4-fb38-2a7c42b5dc48@Oracle.COM>
2017-12-18  7:36         ` Jan Beulich
     [not found]         ` <5A377E020200007800197FFA@prv-mh.provo.novell.com>
2017-12-18 17:32           ` Boris Ostrovsky
     [not found]           ` <559ffd12-b541-8a69-60bd-fbe10e3dc159@oracle.com>
2018-09-16 11:43             ` Pasi Kärkkäinen
     [not found]             ` <20180916114306.GF18222@reaktio.net>
2018-09-17 18:06               ` Boris Ostrovsky
     [not found]               ` <a726840b-8a5c-0890-73c6-3a95a7205153@oracle.com>
2018-09-18  7:15                 ` Pasi Kärkkäinen
     [not found]                 ` <20180918071519.GG18222@reaktio.net>
2018-09-18  9:32                   ` George Dunlap
     [not found]                   ` <5E7DDB68-4E68-48A5-AEEC-EE1B21A50E9E@citrix.com>
2018-09-18 18:09                     ` Boris Ostrovsky
     [not found]                     ` <352310b3-ec9b-2ceb-83f0-4550718120c3@oracle.com>
2018-09-19  9:05                       ` Roger Pau Monné
     [not found]                       ` <20180919090526.s3ahnemrt2ik2tx3@mac.bytemobile.com>
2018-10-03 15:51                         ` Pasi Kärkkäinen
     [not found]                         ` <20181003155104.GH5318@reaktio.net>
2018-10-08 14:32                           ` Boris Ostrovsky
     [not found]                           ` <f6b8e055-7afc-b4de-af88-425d799dcd28@oracle.com>
2018-10-23 18:40                             ` Håkon Alstadheim
2018-10-29 15:30                               ` Pasi Kärkkäinen
2018-11-14 14:24                               ` [PATCH cargo-cult-version] For linux-4.19.x . " Håkon Alstadheim
2019-08-26 21:05                             ` [Xen-devel] [PATCH V3 2/2] " Pasi Kärkkäinen
2017-12-12 15:01     ` Govinda Tatti

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