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3318f7b5ce
In situations where mapping/unmapping sequence can be controlled by userspace, attempting to map over a region that has not yet been unmapped is an error. But not something that should spam dmesg. Now that there is a quirk, we can also drop the selftest_running flag, and use the quirk instead for selftests. Acked-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Rob Clark <robdclark@chromium.org> Link: https://lore.kernel.org/r/20250519175348.11924-6-robdclark@gmail.com [will: Rename quirk to IO_PGTABLE_QUIRK_NO_WARN per Robin's suggestion] 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.