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2eb0cb31bc
A user can enable VFs without changing E-Switch mode, this can happen
when a user moves straight to switchdev mode and only once in switchdev
VFs are enabled via the sysfs interface.
The cited commit assumed this isn't possible and exposed a single
API function where the E-switch calls into the lag code, breaks the lag
and prevents any other lag operations to take place until the
E-switch update has ended.
Breaking the hardware lag when it isn't needed can make it such that
hardware lag can't be enabled again.
In the sysfs call path check if the current E-Switch mode is NONE,
in the context of the function it can only mean the E-Switch is moving
out of NONE mode and the hardware lag should be disabled and enabled
once the mode change has ended. If the mode isn't NONE it means
VFs are about to be enabled and such operation doesn't require
toggling the hardware lag.
Fixes:
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||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| 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.