Hi,
here is the second version of the patch-set to introduce an
explicit TLB-flushing interface to the IOMMU-API. This
version changed the interface quite a lot compared to the
first version.
This version does not change the semantics of the
iommu_map() and iommu_unmap() functions anymore. The reason
is that the semantic-change doesn't make sense for
iommu_map(), as this path does not require a TLB-flush in
almost all cases. And only changing the semantics of the
iommu_unmap() path would introduce an asymmetry to the
IOMMU-API, which makes it harder to use.
This series introduces the new function iommu_unmap_fast()
instead, which is allowed to return with dirty TLBs. The
three functions for TLB-flushing have not changed compared
to the first version of this patch-set.
Since the iommu_map()/unmap() functions don't change their
semantics anymore, I've also dropped all patches which
convert the existing users.
Please review.
Thanks,
Joerg
Joerg Roedel (2):
iommu/amd: Rename a few flush functions
iommu: Introduce Interface for IOMMU TLB Flushing
drivers/iommu/amd_iommu.c | 16 +++++------
drivers/iommu/iommu.c | 32 ++++++++++++++++++---
include/linux/iommu.h | 72 ++++++++++++++++++++++++++++++++++++++++++++++-
3 files changed, 107 insertions(+), 13 deletions(-)
--
2.7.4
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