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b11aa9614d
Add Tx Hang detection due to an unhandled MDD Event. Previously, a malicious VF could disable the entire port causing TX to hang on the E610 card. Those events that caused PF to freeze were not detected as an MDD event and usually required a Tx Hang watchdog timer to catch the suspension, and perform a physical function reset. Implement flows in the affected PF driver in such a way to check the cause of the hang, detect it as an MDD event and log an entry of the malicious VF that caused the Hang. The PF blocks the malicious VF, if it continues to be the source of several MDD events. Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com> Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com> Co-developed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Reviewed-by: Simon Horman <horms@kernel.org> Tested-by: Rafal Romanowski <rafal.romanowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> |
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| 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 | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .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 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.