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Joerg Roedel authored
The handle_mm_fault function expects the caller to do the access checks. Not doing so and calling the function with wrong permissions is a bug (catched by a BUG_ON). So fix this bug by adding proper access checking to the io page-fault code in the AMD IOMMUv2 driver. Reviewed-by:
Jesse Barnes <jbarnes@virtuousgeek.org> Acked-By:
David Woodhouse <David.Woodhouse@intel.com> Signed-off-by:
Joerg Roedel <jroedel@suse.de>
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