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65cdbf1063
Ensure pgsize_bitmap is always valid by initializing it to PAGE_MASK in vfio_iommu_type1_open and remove the now pointless update for the external domain case in vfio_iommu_type1_attach_group, which was just setting pgsize_bitmap to PAGE_MASK when only external domains were attached. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20210924155705.4258-14-hch@lst.de [aw: s/ULONG_MAX/PAGE_MASK/ per discussion in link] Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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.