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Using a linked-list for LPIs is less than ideal as it of course requires iterative searches to find a particular entry. An xarray is a better data structure for this use case, as it provides faster searches and can still handle a potentially sparse range of INTID allocations. Start by storing LPIs in an xarray, punting usage of the xarray to a subsequent change. The observant among you will notice that we added yet another lock to the chain of locking order rules; document the ordering of the xa_lock. Don't worry, we'll get rid of the lpi_list_lock one day... Reviewed-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20240221054253.3848076-2-oliver.upton@linux.dev Signed-off-by: Oliver Upton <oliver.upton@linux.dev> |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| 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 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.