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Re: [Qemu-devel] [5204] husb: Make control transactions asynchronous (Ma
From: |
Blue Swirl |
Subject: |
Re: [Qemu-devel] [5204] husb: Make control transactions asynchronous (Max Krasnyansky) |
Date: |
Sun, 14 Sep 2008 11:32:38 +0300 |
On 9/14/08, Blue Swirl <address@hidden> wrote:
> On 9/14/08, Anthony Liguori <address@hidden> wrote:
> > Revision: 5204
> > http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5204
> > Author: aliguori
> > Date: 2008-09-14 01:06:09 +0000 (Sun, 14 Sep 2008)
> >
> > Log Message:
> > -----------
> > husb: Make control transactions asynchronous (Max Krasnyansky)
> >
> > USB is 99.8% async now :). 0.2% is the three control requests that
> > we need to execute synchronously. We could off-load that to a thread
> > or something but it's not worth the pain since those requests are
> > performed only during device initialization (ie when device is
> > connected to the VM).
> >
> > The change is a bit bigger than I wanted due to the fact that generic
> > handle_packet()/handle_control() interface was not designed for
> > async transactions. So I ended up adding custom handle_packet()
> > code to usb-linux. We can make that generic if/when some other
> > component needs it.
>
>
> > +#include <linux/usb/ch9.h>
>
>
> My Debian machines do not have this header file. Is it only used for
> the structure definition that was removed by the commit?
This patch removes the include and adds the structures needed as well
as one missing "static".
fix_usb.diff
Description: plain/text