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[Xen-devel] odd gfn number checking in p2m.c


  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Olaf Hering <olaf@xxxxxxxxx>
  • Date: Sun, 19 Sep 2010 17:49:03 +0200
  • Delivery-date: Sun, 19 Sep 2010 08:50:05 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hello,

how can a gfn become 0x555555 as checked in
p2m.c:guest_physmap_add_entry() and p2m_alloc_table()?
Looking further in p2m.c, audit_p2m() checks only for a 32bit value.

So where is that magic number set, and why is it not a define to
simplify grepping for users of that value?

Olaf


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