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7bd6680b47
This reverts commitb7d9aae404. With the Qualcomm remoteproc driver now modified to use a carveout memory region in57f72170a2("remoteproc: qcom_q6v5_mss: Use a carveout to authenticate modem headers"), we can reinstatec44094eee3("arm64: dma: Drop cache invalidation from arch_dma_prep_coherent()") which relaxes the arm64 implementation of arch_dma_prep_coherent() to perform only a data cache clean operation, rather than a clean-and-invalidate. 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 Restructured Text 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.