[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Xen-devel] [PATCH 7/7] Introduce per cpu flag (iommu_dont_flush_iotlb) to avoid unnecessary iotlb flush
Add cpu flag that will be checked by the iommu low level code
to skip iotlb flushes. iommu_iotlb_flush shall be called explicitly.
Signed-off-by: Jean Guyader <jean.guyader@xxxxxxxxxxxxx>
---
xen/arch/x86/mm.c | 12 ++++++++++++
xen/drivers/passthrough/iommu.c | 5 +++++
xen/drivers/passthrough/vtd/iommu.c | 6 ++++--
xen/include/xen/iommu.h | 12 ++++++++++++
4 files changed, 33 insertions(+), 2 deletions(-)
Attachment:
0007-Introduce-per-cpu-flag-iommu_dont_flush_iotlb-to-avo.patch
Description: Text Data
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
|
