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719a193356
The Intel IOMMU driver reports the DMA fault reason in a decimal number while the VT-d specification uses a hexadecimal one. It's inconvenient that users need to covert them everytime before consulting the spec. Let's use hexadecimal number for a DMA fault reason. The fault message uses 0xffffffff as PASID for DMA requests w/o PASID. This is confusing. Tweak this by adding "NO_PASID" explicitly. Reviewed-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20210517065425.4953-1-baolu.lu@linux.intel.com Link: https://lore.kernel.org/r/20210610020115.1637656-4-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de> |
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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.