[Xen-devel] Re: Changeset 20209 causes an issue in xen_in_range()

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 14/01/2010 11:21, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:

>>> However, in iommu_set_dom0_mapping(), xen_in_range() is still True for the
>>> freed pages above, so devices in Dom0 can meet with DMA fault.
>> 
>> Should be fixed by c/s 20803.
> 
> Do you really think so? Masking "start" with PERCPU_SIZE-1 doesn't
> make sense, as it may be arbitrarily before __percpu_start and
> not aligned. Below my take on it.

How about c/s 20806?

 -- Keir



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel