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81c12e922b
This reverts commit0bf28fc40d. Reasons: 1. new panic()s shouldn't be added [1]. 2. It does no "cleanup" but breaks MIPS [2]. v2: properly solved the conflict [3] with commit20347fca71("swiotlb: split up the global swiotlb lock") Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> [1] https://lore.kernel.org/r/CAHk-=wit-DmhMfQErY29JSPjFgebx_Ld+pnerc4J2Ag990WwAA@mail.gmail.com/ [2] https://lore.kernel.org/r/20220820012031.1285979-1-yuzhao@google.com/ [3] https://lore.kernel.org/r/202208310701.LKr1WDCh-lkp@intel.com/ Fixes:0bf28fc40d("swiotlb: panic if nslabs is too small") Signed-off-by: Yu Zhao <yuzhao@google.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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.