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b144b99fff
By default, READ MAC on a Layer2 OSD device returns the adapter's burnt-in MAC address. Given the default scenario of many virtual devices on the same adapter, qeth can't make any use of this address and therefore skips the READ MAC call for this device type. But in some configurations, the READ MAC command for a Layer2 OSD device actually returns a pre-provisioned, virtual MAC address. So enable the READ MAC code to detect this situation, and let the L2 subdriver call READ MAC for OSD devices. This also removes the QETH_LAYER2_MAC_READ flag, which protects L2 devices against calling READ MAC multiple times. Instead protect the whole call to qeth_l2_request_initial_mac(). Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.