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0095bf8355
Convert iopf_queue_remove_device() to return void instead of an error code, as the return value is never used. This removal helper is designed to be never-failed, so there's no need for error handling. Ack all outstanding page requests from the device with the response code of IOMMU_PAGE_RESP_INVALID, indicating device should not attempt any retry. Add comments to this helper explaining the steps involved in removing a device from the iopf queue and disabling its PRI. The individual drivers are expected to be adjusted accordingly. Here we just define the expected behaviors of the individual iommu driver from the core's perspective. Suggested-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Tested-by: Yan Zhao <yan.y.zhao@intel.com> Link: https://lore.kernel.org/r/20240212012227.119381-14-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.