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d7af4d987d
If multiple devices try to bind to the same mm/PASID, we need to set up first level PASID entries for all the devices. The current code does not consider this case which results in failed DMA for devices after the first bind. Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Reported-by: Mike Campin <mike.campin@intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.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.