omap iommu: Insert a gap page between IOVMAs against override
authorHiroshi DOYU <Hiroshi.DOYU@nokia.com>
Thu, 6 May 2010 13:10:18 +0000 (16:10 +0300)
committerHiroshi DOYU <Hiroshi.DOYU@nokia.com>
Fri, 14 May 2010 07:23:36 +0000 (10:23 +0300)
commitfa460b88e0cc2b4254271be2da49e68d748db727
treefc69bc8bd5e0572690d0c65735b90135330e554d
parent347815fcc63ac4c4a975bf3ca2c889c2f843ae0d
omap iommu: Insert a gap page between IOVMAs against override

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>
arch/arm/plat-omap/iovmm.c