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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".

Attachment: fix_usb.diff
Description: plain/text


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