linux-kernel - Re: [PATCH 4/4] Hyper-V vPCI: use vPCI protocol version 1.2

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Message-ID: <87k25dupt3.fsf@vitty.brq.redhat.com>
Date:   Fri, 19 May 2017 12:03:04 +0200
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     Jork Loeser <Jork.Loeser@...rosoft.com>, kys@...rosoft.com
Cc:     Stephen Hemminger <stephen@...workplumber.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "helgaas\@kernel.org" <helgaas@...nel.org>,
        "olaf\@aepfle.de" <olaf@...fle.de>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "linux-pci\@vger.kernel.org" <linux-pci@...r.kernel.org>,
        "jasowang\@redhat.com" <jasowang@...hat.com>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
        "marcelo.cerri\@canonical.com" <marcelo.cerri@...onical.com>,
        "apw\@canonical.com" <apw@...onical.com>,
        "devel\@linuxdriverproject.org" <devel@...uxdriverproject.org>,
        "leann.ogasawara\@canonical.com" <leann.ogasawara@...onical.com>
Subject: Re: [PATCH 4/4] Hyper-V vPCI: use vPCI protocol version 1.2

Jork Loeser <Jork.Loeser@...rosoft.com> writes:

>> -----Original Message-----
>> From: Stephen Hemminger [mailto:stephen@...workplumber.org]
>> Sent: Thursday, May 18, 2017 16:59
>> 
>> > From: Jork Loeser <jloeser@...rosoft.com>
>> >
>> > Update the Hyper-V vPCI driver to use the Server-2016 version of the
>> > vPCI protocol, fixing MSI creation and retargeting issues.
>> >
>> > Signed-off-by: Jork Loeser <jloeser@...rosoft.com>
>> 
>> This patch conflicts with already submitted patch that removes
>> vmbus_cpu_number_to_vp_number()
>> 
>> commit 4b28e5c28cc32652d200a31795e38ee6c819a4a2
>> Author: Vitaly Kuznetsov <vkuznets@...hat.com>
>> Date:   Mon May 15 13:38:26 2017 -0700
>> 
>>     hyper-v: globalize vp_index
>> 
>>     To support implementing remote TLB flushing on Hyper-V with a hypercall
>>     we need to make vp_index available outside of vmbus module. Rename and
>>     globalize.
>
> Thank you Stephen, easy enough to adapt. 
>
> Bjorn, Greg, Vitaly: Do you have an ETA on when Vitaly's patch will be in the PCI or linux-next branch so I can rev?
>

I was a bit surprised to see that these patches missed 4.12, K. Y. ACKed
them:

http://driverdev.linuxdriverproject.org/pipermail/driverdev-devel/2017-May/105466.html

and no other concerns were expressed.

To my understanding these patches should go through Greg's char-misc
tree. K. Y., Greg, please let me know if I need to rebase/resend.

-- 
  Vitaly