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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-07-12 19:55:25 +0200 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-08-23 17:33:29 +0200 |
| commit | 4fac153a7a260e40e10008a0d7a272719684e4cd (patch) | |
| tree | 93f695f3f80882008edce45508eeb89dd97033ad /arch/x86/xen/multicalls.c | |
| parent | xen/mmu: The xen_setup_kernel_pagetable doesn't need to return anything. (diff) | |
| download | linux-4fac153a7a260e40e10008a0d7a272719684e4cd.tar.xz linux-4fac153a7a260e40e10008a0d7a272719684e4cd.zip | |
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>
Diffstat (limited to 'arch/x86/xen/multicalls.c')
0 files changed, 0 insertions, 0 deletions