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It is expected to be a common practice to configure the same level
of scheduling priority across all VFs and PF (at least as starting
point). Due to current GuC FW limitations it is also the only way
to change VFs priority.
Add write-only sysfs attribute that will apply required priority
level to all VFs and PF at once.
/sys/bus/pci/drivers/xe/BDF/
├── sriov_admin/
├── .bulk_profile
│ └── sched_priority [WO] low, normal
Writing "low" to this write-only attribute will change PF and
VFs scheduling priority on all tiles/GTs to LOW (function will
be scheduled only if it has work submitted). Similarly, writing
"normal" will change functions priority to NORMAL (functions will
be scheduled irrespective of whether there is a work or not).
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patch.msgid.link/20251030222348.186658-13-michal.wajdeczko@intel.com
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| .clang-format | ||
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| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
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| 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 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.