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Re: [Xen-devel] Add multi-page shared ring support to xen-blkfront/back
On Tue, Jan 12, 2010 at 05:51:42PM +0000, Paul Durrant wrote:
> Paul Durrant wrote:
> >These patches add support for multi-page shared rings to xen-blkfront/back.
> >Shared rings must always be a power of 2 in size and so the size is
> >by the new 'max_ring_page_order' module parameter of xen-blkback. This
> >to 0 so operationally there should be no difference with these patches in
> >The maximum value of 'max_ring_page_order' is currently limited to 2
> >(i.e. 4 pages).
> >xen-blkfront will always use the largest shared ring size supported by the
> >end. To override this and continue to use a single page ring, as before, set
> >'allow_multi_page_ring' module parameter to 0.
Would it be possible to rebase this on 3.0? How is it different from the
one posted some time ago by .. um, somebody else?
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