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Lars Ellenberg
2990ca29f3
Trying to remove an "empty" (just initialized, or "cleared") interval from the tree, this results in an endless loop. As we typically protect the tree with a spinlock_irq, the result is a hung system. Be nice to error cleanup code paths, ignore removal of empty intervals. Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com> Link: https://lore.kernel.org/r/20230113123538.144276-8-christoph.boehmwalder@linbit.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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.