This enables IOMMU for SVM. Instead of sharing
a H_PUT_TCE_INDIRECT page, this uses H_PUT_TCE for mapping
and H_STUFF_TCE for clearing TCEs which should bring
acceptable performance at the boot time; otherwise things
work with the same speed anyway.
Please comment. Thanks.
This is based on sha1
37d4e84f765b Linus Torvalds Merge tag 'ceph-for-5.5-rc2' of git://github.com/ceph/ceph-client
Please comment. Thanks.
Alexey Kardashevskiy (3):
powerpc/pseries: Allow not having
ibm,hypertas-functions::hcall-multi-tce for DDW
powerpc/pseries/iommu: Separate FW_FEATURE_MULTITCE to put/stuff
features
powerpc/pseries/svm: Allow IOMMU to work in SVM
Ram Pai (1):
Revert "powerpc/pseries/iommu: Don't use dma_iommu_ops on secure
guests"
arch/powerpc/include/asm/firmware.h | 6 ++-
arch/powerpc/platforms/pseries/firmware.c | 10 +++-
arch/powerpc/platforms/pseries/iommu.c | 65 +++++++++++++----------
3 files changed, 50 insertions(+), 31 deletions(-)
--
2.17.1
