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When qeth_l2_set_mac_address() finds the card in a non-reachable state, it merely copies the new MAC address into dev->dev_addr so that __qeth_l2_set_online() can later register it with the HW. But __qeth_l2_set_online() may very well be running concurrently, so we can't trust the card state without appropriate locking: If the online sequence is past the point where it registers dev->dev_addr (but not yet in SOFTSETUP state), any address change needs to be properly programmed into the HW. Otherwise the netdevice ends up with a different MAC address than what's set in the HW, and inbound traffic is not forwarded as expected. This is most likely to occur for OSD in LPAR, where commit |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.