lkml.org 
[lkml]   [2008]   [Nov]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/16 v6] PCI: Linux kernel SR-IOV support
Matthew Wilcox wrote:
>> What we would rather do in KVM, is have the VFs appear in the host as
>> standard network devices. We would then like to back our existing PV
>> driver to this VF directly bypassing the host networking stack. A key
>> feature here is being able to fill the VF's receive queue with guest
>> memory instead of host kernel memory so that you can get zero-copy
>> receive traffic. This will perform just as well as doing passthrough
>> (at least) and avoid all that ugliness of dealing with SR-IOV in the guest.
>>
>
> This argues for ignoring the SR-IOV mess completely.

It does, but VF-in-host is not the only model that we want to support.
It's just the most appealing.

There will definitely be people who want to run VF-in-guest.

--
error compiling committee.c: too many arguments to function



\
 
 \ /
  Last update: 2008-11-09 13:53    [W:0.137 / U:0.320 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site