RE: [PATCH 02/15] hyperv: Add a function to detect hv_device

From	KY Srinivasan <kys@microsoft.com>
Newsgroups	linux.kernel
Subject	RE: [PATCH 02/15] hyperv: Add a function to detect hv_device
Date	2016-12-02 16:50 +0100
Message-ID	<sJYg2-5Hd-17@gated-at.bofh.it> (permalink)
References	(3 earlier) <sJGj8-1KM-29@gated-at.bofh.it> <sJPcJ-8fP-1@gated-at.bofh.it> <sJPPr-8sV-5@gated-at.bofh.it> <sJQit-uF-27@gated-at.bofh.it> <sJQBP-Bh-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw


> -----Original Message-----
> From: Greg KH [mailto:gregkh@linuxfoundation.org]
> Sent: Thursday, December 1, 2016 11:36 PM
> To: KY Srinivasan <kys@microsoft.com>
> Cc: linux-kernel@vger.kernel.org; devel@linuxdriverproject.org;
> olaf@aepfle.de; apw@canonical.com; vkuznets@redhat.com;
> jasowang@redhat.com; leann.ogasawara@canonical.com; Haiyang Zhang
> <haiyangz@microsoft.com>
> Subject: Re: [PATCH 02/15] hyperv: Add a function to detect hv_device
> 
> On Fri, Dec 02, 2016 at 07:14:03AM +0000, KY Srinivasan wrote:
> > > In other words, why do you need this and PCI or USB doesn't?  Why is
> > > hyperv "special"?
> >
> > On Hyper-V, each VF interface (SR-IOV interface)
> > is paired with an instance of the
> > synthetic interface that is managed by netvsc.
> > When the VF interface comes up, we
> > need to associate the VF instance with
> > the corresponding netvsc instance. To do this
> > without modifying the VF drivers, netvsc registers
> > for netdev events.
> 
> Why not modify the VF drivers?  You have the full source to them...
Greg,

This is even worse. On Linux, VF drivers are hypervisor agnostic
and I want to keep it that way.

Regards,

K. Y

Thread

[PATCH 02/15] hyperv: Add a function to detect hv_device kys@exchange.microsoft.com - 2016-12-01 16:40 +0100
  Re: [PATCH 02/15] hyperv: Add a function to detect hv_device Greg KH <gregkh@linuxfoundation.org> - 2016-12-01 21:40 +0100
    RE: [PATCH 02/15] hyperv: Add a function to detect hv_device KY Srinivasan <kys@microsoft.com> - 2016-12-02 06:50 +0100
  Re: [PATCH 02/15] hyperv: Add a function to detect hv_device Greg KH <gregkh@linuxfoundation.org> - 2016-12-01 21:40 +0100
  Re: [PATCH 02/15] hyperv: Add a function to detect hv_device Greg KH <gregkh@linuxfoundation.org> - 2016-12-01 21:50 +0100
    RE: [PATCH 02/15] hyperv: Add a function to detect hv_device KY Srinivasan <kys@microsoft.com> - 2016-12-02 07:10 +0100
      Re: [PATCH 02/15] hyperv: Add a function to detect hv_device Greg KH <gregkh@linuxfoundation.org> - 2016-12-02 07:50 +0100
        RE: [PATCH 02/15] hyperv: Add a function to detect hv_device KY Srinivasan <kys@microsoft.com> - 2016-12-02 08:20 +0100
          Re: [PATCH 02/15] hyperv: Add a function to detect hv_device Greg KH <gregkh@linuxfoundation.org> - 2016-12-02 08:40 +0100
            RE: [PATCH 02/15] hyperv: Add a function to detect hv_device KY Srinivasan <kys@microsoft.com> - 2016-12-02 16:50 +0100
              Re: [PATCH 02/15] hyperv: Add a function to detect hv_device Greg KH <gregkh@linuxfoundation.org> - 2016-12-02 17:10 +0100
                RE: [PATCH 02/15] hyperv: Add a function to detect hv_device KY Srinivasan <kys@microsoft.com> - 2016-12-02 22:50 +0100

csiph-web