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587e6c10a7
The SMMU command queue is a bottleneck in large systems, thanks to the spin_lock which serialises accesses from all CPUs to the single queue supported by the hardware. Attempt to improve this situation by moving to a new algorithm for inserting commands into the queue, which is lock-free on the fast-path. Tested-by: Ganapatrao Kulkarni <gkulkarni@marvell.com> Signed-off-by: Will Deacon <will@kernel.org> |
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| ipc | ||
| kernel | ||
| lib | ||
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| .clang-format | ||
| .cocciconfig | ||
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| README | ||
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.