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1efd3fc0cc
A recent debugging session would have been made a little bit easier if we had noticed sooner that swiotlb_exit() was being called during boot. Add a simple diagnostic message to swiotlb_exit() to complement the one from swiotlb_print_info() during initialisation. Cc: Claire Chang <tientzu@chromium.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/20210705190352.GA19461@willie-the-truck Suggested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Tested-by: Nathan Chancellor <nathan@kernel.org> Tested-by: Claire Chang <tientzu@chromium.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Konrad Rzeszutek Wilk <konrad@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 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.