[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] understanding __linear_l2_table and friends



Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> writes:

> They aren't actually used during domain building,

Used anywhere else?  Especially __linear_l2_table and
__linear_l3_table?

> Xen uses the common trick whereby each page directory maps
> itself. This means that every page-table entry is mapped into the
> address space at some virtual address.

Well, in PAE mode that trick doesn't fully work.  It will do fine for
the l1 tables, I think also for l2, but certainly not for l3 due to
address space constrains ...

  Gerd

-- 
#define printk(args...) fprintf(stderr, ## args)

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


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.