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e843aedbeb
Currently in attach device path it takes dev_data->spinlock. But as per design attach device path can sleep. Also if device is PRI capable then it adds device to IOMMU fault handler queue which takes mutex. Hence currently PRI enablement is done outside dev_data lock. Covert dev_data lock from spinlock to mutex so that it follows the design and also PRI enablement can be done properly. Signed-off-by: Vasant Hegde <vasant.hegde@amd.com> Reviewed-by: Joerg Roedel <jroedel@suse.de> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/20241030063556.6104-10-vasant.hegde@amd.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 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.