tree fc0bf8ab64fb703bd9a7c104973cd488719f52ab
parent 34e1ceb1881ec895ad9b1b52d073f414f3aa87a9
author FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> 1206739623 -0700
committer Tony Luck <tony.luck@intel.com> 1207762641 -0700

[IA64] make IOMMU respect the segment boundary limits

IA64's IOMMU implementation allocates memory areas spanning LLD's segment
boundary limit.  It forces low level drivers to have a workaround to adjust
scatter lists that the IOMMU builds.

We are in the process of making all the IOMMUs respect the segment boundary
limits to remove such work around in LLDs.  This patch is for IA64's IOMMU.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>