> On January 26, 2016 at 10:00pm, <jbeul...@suse.com> wrote: > >>> On 26.01.16 at 14:47, <quan...@intel.com> wrote: > > As you mentioned , I simply need to consult the bitmap along with the > > domain ID array. > > > > +If ( test_bit(did, iommu->domid_bitmap) && iommu->domid_map[did] >= 0 ) > > + d = rcu_lock_domain_by_id(iommu->domid_map[did]); > > > > Is it right now? > > Mostly, except that I don't understand the >= 0 part. > Domain ID should be >= 0.. If it is redundant, I can remove it.
> > At first, I am open for any solution. > > pcidevs_lock is quite a big lock. For this point, it looks much better > > to add a new flag to delay hiding device. > > I am also afraid that it may raise further security issues. > > Well, I'd say just go and see which one turns out to be less cumbersome and/or > less intrusive. > For this lock, any good idea? IMO, I can get started to add a new flag to delay hiding device. -Quan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
