tree 93f695f3f80882008edce45508eeb89dd97033ad
parent 3699aad047e16a5775b1d051425f422a9384270d
author Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 1342115725 -0400
committer Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 1345736009 -0400

xen/mmu: Provide comments describing the _ka and _va aliasing issue

Which is that the level2_kernel_pgt (__ka virtual addresses)
and level2_ident_pgt (__va virtual address) contain the same
PMD entries. So if you modify a PTE in __ka, it will be reflected
in __va (and vice-versa).

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>