[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: [patch 23/26] Xen-paravirt_ops: Add Xen grant table support
* Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote: > Add Xen 'grant table' driver which allows granting of access to > selected local memory pages by other virtual machines and, > symmetrically, the mapping of remote memory pages which other virtual > machines have granted access to. > > This driver is a prerequisite for many of the Xen virtual device > drivers, which grant the 'device driver domain' restricted and > temporary access to only those memory pages that are currently > involved in I/O operations. > + > +#ifndef __ia64__ > + { introduce a proper arch method instead. > + unsigned long flags; > + int ref; > + grant_ref_t head; > + spin_lock_irqsave(&gnttab_list_lock, flags); > + unsigned long flags; > + spin_lock_irqsave(&gnttab_list_lock, flags); > + unsigned long flags; > + int count = 1; > + if (head == GNTTAB_LIST_END) > + grant_ref_t g = *private_head; > + if (unlikely(g == GNTTAB_LIST_END)) coding style problems. Ingo _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |