On Thu, Mar 26, 2015 at 04:32:45PM +0100, Roger Pau Monné wrote: > El 26/03/15 a les 13.16, Bob Liu ha escrit: > > There are several place using gnttab async unmap and wait for > > completion, so move the common code to a function > > gnttab_unmap_refs_async_wait_completion(). > > > > Signed-off-by: Bob Liu <bob....@oracle.com> > > For the blkback parts: > > Acked-by: Roger Pau Monné <roger....@citrix.com> > > Although, as David already said, I think we should do better than BUG_ON > on error.
Have an 'stuck deferred pages' list and an timer to occasionally flush them out? Something similar to 569ca5b3f94cd0b3295ec5943aa457cf4a4f6a3a "xen/gnttab: add deferred freeing logic" ? > _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
