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4 Commits (9d8f0bcca6ffa024a822ce4ab1008ab663f06672)

Author SHA1 Message Date
Jiang Liu a156ef99e8 iommu/vt-d: Introduce helper function iova_size() to improve code readability 
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
 2014-07-23 16:04:47 +02:00
Jiang Liu 75f05569d0 iommu/vt-d: Update IOMMU state when memory hotplug happens 
If static identity domain is created, IOMMU driver needs to update
si_domain page table when memory hotplug event happens. Otherwise
PCI device DMA operations can't access the hot-added memory regions.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
 2014-03-04 17:51:06 +01:00
David Woodhouse 3d39cecc48 intel-iommu: Remove superfluous iova_alloc_lock from IOVA code 
We only ever obtain this lock immediately before the iova_rbtree_lock,
and release it immediately after the iova_rbtree_lock. So ditch it and
just use iova_rbtree_lock.

[v2: Remove the lockdep bits this time too]
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
 2009-07-15 08:17:02 +01:00
Kay, Allen M 3871794642 VT-d: Changes to support KVM 
This patch extends the VT-d driver to support KVM

[Ben: fixed memory pinning]
[avi: move dma_remapping.h as well]

Signed-off-by: Kay, Allen M <allen.m.kay@intel.com>
Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Ben-Ami Yassour <benami@il.ibm.com>
Signed-off-by: Amit Shah <amit.shah@qumranet.com>
Acked-by: Mark Gross <mgross@linux.intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
 2008-10-15 14:24:08 +02:00