From: Govinda Tatti <Govinda.Tatti@Oracle.COM>
To: Jan Beulich <JBeulich@suse.com>
Cc: Juergen Gross <jgross@suse.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
bhelgaas@google.com, xen-devel@lists.xenproject.org,
boris.ostrovsky@Oracle.COM, roger.pau@citrix.com
Subject: Re: [PATCH V3 2/2] Xen/PCIback: Implement PCI flr/slot/bus reset with 'reset' SysFS attribute
Date: Tue, 12 Dec 2017 09:14:09 -0600 [thread overview]
Message-ID: <63e8c7c7-8c7d-3307-22bc-3c27f327b62a__26013.9474798509$1513091728$gmane$org@Oracle.COM> (raw)
In-Reply-To: <5A2FFD690200007800196DFB@prv-mh.provo.novell.com>
On 12/12/2017 9:01 AM, Jan Beulich wrote:
>>>> On 12.12.17 at 15:48, <Govinda.Tatti@Oracle.COM> wrote:
>> Thanks Jan for your review comments. Please see below for my comments.
> First of all - can you please do something about your reply style?
> HTML mail should be avoided. You'll see that the (plain text) reply
> as a result is rather hard to follow, too.
Sorry about it. I had an issue with my Thunderbird setting.
>
>> --- a/Documentation/ABI/testing/sysfs-driver-pciback
>> +++ b/Documentation/ABI/testing/sysfs-driver-pciback
>> @@ -11,3 +11,18 @@ Description:
>> #echo 00:19.0-E0:2:FF > /sys/bus/pci/drivers/pciback/quirks
>> will allow the guest to read and write to the configuration
>> register 0x0E.
>> +
>> +What: /sys/bus/pci/drivers/pciback/reset
>> +Date: Dec 2017
>> +KernelVersion: 4.15
>> +Contact: xen-devel@lists.xenproject.org
>> +Description:
>> + An option to perform a flr/slot/bus reset when a PCI device
>> + is owned by Xen PCI backend. Writing a string of DDDD:BB:DD.F
>> SSSS:BB:DD.F (or else the D-s are ambiguous, the more that "domain"
>> in Xen code is ambiguous anyway - I continue to be mislead by struct
>> pcistub_device_id's domain field) Thanks for catching this issue. I will
>> fix it.
>>
>>
>> Also I assume the SSSS part is optional (default zero), which
>> probably can and should be expressed in some way. SSSS can be 0 or
>> non-zero, subject to system configuration.
> The question isn't system configuration, but whether the field can
> be omitted on input, with zero being assumed in such a case. That's
> a common shorthand, considering that the vast majority of x86
> (and maybe other) systems aren't using segments other than zero
Yes, it can be omitted if SSSS is zero.I will add this information
to above documentation file.
Cheers
GOVINDA
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next prev parent reply other threads:[~2017-12-12 15:14 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
[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 [this message]
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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