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e64f2918c6
Everything is in place to switch to per-ITS translation caches. Start using the per-ITS cache to avoid the lock serialization related to the global translation cache. Explicitly check for out-of-range device and event IDs as the cache index is packed based on the range the ITS actually supports. Take the RCU read lock to protect against the returned descriptor being freed while trying to take a reference on it, as it is no longer necessary to acquire the lpi_list_lock. Signed-off-by: Oliver Upton <oliver.upton@linux.dev> Link: https://lore.kernel.org/r/20240422200158.2606761-11-oliver.upton@linux.dev Signed-off-by: Marc Zyngier <maz@kernel.org> |
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| certs | ||
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| .clang-format | ||
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| .get_maintainer.ignore | ||
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| .mailmap | ||
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| Makefile | ||
| 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 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.