On Thu, 2015-06-11 at 15:47 +0200, Joerg Roedel wrote: > From: Joerg Roedel <[email protected]> > > Hide the copied context entries from the IOMMU driver by > considering them as non-present. This is implemented by > setting the first AVL bit (bit 67) in the context entry to > one. If this bit is set, the context_present() function > returns false. > > Signed-off-by: Joerg Roedel <[email protected]>
In the extended context entry, bit 67 is the PGE bit. There are no bits which are available to software, to my knowledge. -- David Woodhouse Open Source Technology Centre [email protected] Intel Corporation
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