[PATCH 1/1] hv: Use only one receive buffer and kmalloc on initialize

Greg KH
Mon, 13 Dec 2010 20:18:43 -0000

On Mon, Dec 13, 2010 at 08:06:20PM +0000, Hank Janssen
wrote:
>
>
> > -----Original Message-----
> > From: Greg KH [mailto:greg at kroah.com]
> > Sent: Monday, December 13, 2010 11:41 AM
> > > The current versions of Hyper-V support interrupt handling on
CPU0 only.
> > > I can make multiple buffers per channel, but because of Hyper-V
> > > implementation It does not really make a difference.
> >
> > Then put a big fat note in there saying this, and that it will have to
change if
> > the hyperv channel ever changes.
> >
> > Hm, how will you handle things if the hyperv core changes and an old
kernel
> > is running this code where things were "assumed" about the
reentrancy
> > happening here?
>
> I will re-roll this patch to have a buffer per channel. It is a more
elegant design
> Even though Hyper-V behavior is not changing in Win8 for this.

Win8, fine, but what about Win9?  :)

thanks for changing it.

greg k-h