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As this iommu driver now supports page faults for requests without PASID, page requests should be drained when a domain is removed from the RID2PASID entry. This results in the intel_iommu_drain_pasid_prq() call being moved to intel_pasid_tear_down_entry(). This indicates that when a translation is removed from any PASID entry and the PRI has been enabled on the device, page requests are drained in the domain detachment path. The intel_iommu_drain_pasid_prq() helper has been modified to support sending device TLB invalidation requests for both PASID and non-PASID cases. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Yi Liu <yi.l.liu@intel.com> Link: https://lore.kernel.org/r/20241101045543.70086-1-baolu.lu@linux.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 reStructuredText 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.