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1d5f34f000
Allow creating and managing arm_smmu_mater_domain's with a non-zero SSID through the arm_smmu_attach_*() family of functions. This triggers ATC invalidation for the correct SSID in PASID cases and tracks the per-attachment SSID in the struct arm_smmu_master_domain. Generalize arm_smmu_attach_remove() to be able to remove SSID's as well by ensuring the ATC for the PASID is flushed properly. Tested-by: Nicolin Chen <nicolinc@nvidia.com> Tested-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> Reviewed-by: Nicolin Chen <nicolinc@nvidia.com> Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/7-v9-5cd718286059+79186-smmuv3_newapi_p2b_jgg@nvidia.com Signed-off-by: Will Deacon <will@kernel.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.