lkml.org 
[lkml]   [2010]   [Sep]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [RFC PATCH 2/2] macvtap: TX zero copy between guest and host kernel
    From
    Date
    On Tue, 2010-09-14 at 21:01 +0200, Michael S. Tsirkin wrote:
    > > > I think that you should be able to simply combine
    > > > the two drivers together, add an ioctl to
    > > > enable/disable zero copy mode of operation.
    > >
    > > That could work. But what's the purpose to have two drivers if one
    > > driver can handle it?
    > >
    > > Thanks
    > > Shirley
    >
    > This was just an idea: I thought it's a good way for people interested
    > in this zero copy thing to combine forces and avoid making
    > the same mistakes, but it's not a must of course.

    Ok, I will make a simple patch by reusing Xiaohui's some vhost code on
    handling vhost_add_used_and_signal() to see any performance changes.

    The interesting thing here when I run 32 instances netperf/netserver I
    didn't see any issue w/i this patch.

    Thanks
    Shirley



    \
     
     \ /
      Last update: 2010-09-14 21:39    [W:3.261 / U:0.144 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site