omap iommu: Insert a gap page between IOVMAs against override

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Inserting a gap page between IOVMAs could detect an override on other
IOVMA with iommu fault. This was originally suggested by Sakari Ailus
and based on the work and comment by David Cohen.

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Cc: David Cohen <david.cohen@nokia.com>
Cc: Sakari Ailus <Sakari.Ailus@nokia.com>

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Hiroshi DOYU 2010-05-06 16:10:18 +03:00

parent 347815fcc6

commit fa460b88e0

1 changed files with 3 additions and 3 deletions

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6

arch/arm/plat-omap/iovmm.c

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