Re: [Xen-devel] [PATCH 2/3] blkif: enable multi-page ring supporting

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Wed, Apr 08, 2015 at 11:46:44AM +0100, David Vrabel wrote:
> On 03/04/15 07:45, Bob Liu wrote:
> > Remove the 'DEPRECATED' and next patch will follow the protocol defined 
> > here to
> > support multi-page ring.
> 
> Why are you un-deprecating this instead of using max-ring-page-order?
> Are you allowing for non power of two counts? If so, the documentation
> needs to be updated as well.
> 
> Also num-ring-pages is also tagged as deprecated.
> 
> Changes in blkif.h need to be made in Xen first.

Um, this patch is against Xen tree.

> 
> David
> 
> > --- a/xen/include/public/io/blkif.h
> > +++ b/xen/include/public/io/blkif.h
> > @@ -303,7 +303,7 @@
> >   *      Values:         <uint32_t>
> >   *      Default Value:  1
> >   *      Maximum Value:  MAX(max-ring-pages,(0x1 << max-ring-page-order))
> > - *      Notes:          DEPRECATED, 2, 3
> > + *      Notes:          2, 3
> >   *
> >   *      The size of the frontend allocated request ring buffer in units of
> >   *      machine pages.  The value must be a power of 2.
> > 
> 
> 
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