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From: KY Srinivasan <kys@microsoft.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"devel@linuxdriverproject.org" <devel@linuxdriverproject.org>,
	"olaf@aepfle.de" <olaf@aepfle.de>,
	"apw@canonical.com" <apw@canonical.com>,
	"vkuznets@redhat.com" <vkuznets@redhat.com>,
	"jasowang@redhat.com" <jasowang@redhat.com>,
	"leann.ogasawara@canonical.com" <leann.ogasawara@canonical.com>,
	Haiyang Zhang <haiyangz@microsoft.com>
Subject: RE: [PATCH 02/15] hyperv: Add a function to detect hv_device
Date: Fri, 2 Dec 2016 15:38:51 +0000	[thread overview]
Message-ID: <DM5PR03MB2490E658B9D8B479AD7AB402A08E0@DM5PR03MB2490.namprd03.prod.outlook.com> (raw)
In-Reply-To: <20161202073614.GA21628@kroah.com>



> -----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
 

  reply	other threads:[~2016-12-02 15:40 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-01 17:28 [PATCH 00/15] Drivers: hv: CPU management fixes and a new uio driver kys
2016-12-01 17:28 ` [PATCH 01/15] Drivers: hv: vmbus: Raise retry/wait limits in vmbus_post_msg() kys
2016-12-01 17:28   ` [PATCH 02/15] hyperv: Add a function to detect hv_device kys
2016-12-01 20:33     ` Greg KH
2016-12-02  5:46       ` KY Srinivasan
2016-12-01 20:35     ` Greg KH
2016-12-01 20:38       ` Greg KH
2016-12-02  6:02       ` KY Srinivasan
2016-12-02  6:48         ` Greg KH
2016-12-02  7:14           ` KY Srinivasan
2016-12-02  7:36             ` Greg KH
2016-12-02 15:38               ` KY Srinivasan [this message]
2016-12-02 16:02                 ` Greg KH
2016-12-02 21:41                   ` KY Srinivasan
2016-12-01 17:28   ` [PATCH 03/15] hyperv: Fix spelling of HV_UNKOWN kys
2016-12-01 17:28   ` [PATCH 04/15] Drivers: hv: vmbus: Prevent sending data on a rescinded channel kys
2016-12-01 20:36     ` Greg KH
2016-12-05 10:01     ` Dan Carpenter
2016-12-05 15:50       ` KY Srinivasan
2016-12-01 17:28   ` [PATCH 05/15] Drivers: hv: vmbus: Enhance the rescind callback functionality kys
2016-12-01 20:36     ` Greg KH
2016-12-01 17:28   ` [PATCH 06/15] hv: acquire vmbus_connection.channel_mutex in vmbus_free_channels() kys
2016-12-01 20:37     ` Greg KH
2016-12-02  6:11       ` KY Srinivasan
2016-12-01 17:28   ` [PATCH 07/15] hv: allocate synic pages for all present CPUs kys
2016-12-01 17:28   ` [PATCH 08/15] hv: init percpu_list in hv_synic_alloc() kys
2016-12-01 17:28   ` [PATCH 09/15] hv: change clockevents unbind tactics kys
2016-12-01 17:28   ` [PATCH 10/15] hv: switch to cpuhp state machine for synic init/cleanup kys
2016-12-01 17:28   ` [PATCH 11/15] hv: make CPU offlining prevention fine-grained kys
2016-12-01 17:28   ` [PATCH 12/15] hv: don't reset hv_context.tsc_page on crash kys
2016-12-01 17:28   ` [PATCH 13/15] vmbus: add support for dynamic device id's kys
2016-12-01 17:28   ` [PATCH 14/15] uio-hv-generic: new userspace i/o driver for VMBus kys
2016-12-01 17:28   ` [PATCH 15/15] Tools: hv: kvp: configurable external scripts path kys

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