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2f8d6178b4
If the SMMU supports it and the kernel was built with HTTU support, Probe support for Hardware Translation Table Update (HTTU) which is essentially to enable hardware update of access and dirty flags. Probe and set the smmu::features for Hardware Dirty and Hardware Access bits. This is in preparation, to enable it on the context descriptors of stage 1 format. Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Ryan Roberts <ryan.roberts@arm.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> Link: https://lore.kernel.org/r/20240703101604.2576-3-shameerali.kolothum.thodi@huawei.com Signed-off-by: Will Deacon <will@kernel.org>
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.