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c2304e1a0b
The implementation of the Rate Limiting (RL) feature includes the cleanup
of all SLAs during device shutdown. For each SLA, the firmware is notified
of the removal through an admin message, the data structures that take
into account the budgets are updated and the memory is freed.
However, this explicit cleanup is not necessary as (1) the device is
reset, and the firmware state is lost and (2) all RL data structures
are freed anyway.
In addition, if the device is unresponsive, for example after a PCI
AER error is detected, the admin interface might not be available.
This might slow down the shutdown sequence and cause a timeout in
the recovery flows which in turn makes the driver believe that the
device is not recoverable.
Fix by replacing the explicit SLAs removal with just a free of the
SLA data structures.
Fixes:
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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.