On Tue, 7 Mar 2017, Julien Grall wrote: > Hi Stefano, > > On 03/06/2017 08:01 PM, Stefano Stabellini wrote: > > Sync the ring.h file with upstream Xen, to introduce the new ring macros. > > They will be used by the Xen transport for 9pfs. > > > > Signed-off-by: Stefano Stabellini <stef...@aporeto.com> > > CC: konrad.w...@oracle.com > > CC: boris.ostrov...@oracle.com > > CC: jgr...@suse.com > > > > --- > > NB: The new macros have not been committed to Xen yet. Do not apply this > > patch until they do. > > --- > > --- > > include/xen/interface/io/ring.h | 131 > > ++++++++++++++++++++++++++++++++++++++++ > > 1 file changed, 131 insertions(+) > > > > diff --git a/include/xen/interface/io/ring.h > > b/include/xen/interface/io/ring.h > > index 21f4fbd..e16aa92 100644 > > --- a/include/xen/interface/io/ring.h > > +++ b/include/xen/interface/io/ring.h > > [...] > > > +#define XEN_FLEX_RING_SIZE(order) > > \ > > + (1UL << (order + PAGE_SHIFT - 1)) > > This will need to be XEN_PAGE_SHIFT in order to works with 64K kernel.
Good point! I had it right at the beginning but I lost the change in one of the updates from xen.git.
