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Introduce an "active" state for a IBM vNIC Command-Response Queue. A CRQ is considered active once it has initialized or linked with its partner by sending an initialization request and getting a successful response back from the management partition. Until this has happened, do not allow CRQ commands to be sent other than the initialization request. This change will avoid a protocol error in case of a device transport event occurring during a initialization. When the driver receives a transport event notification indicating that the backing hardware has changed and needs reinitialization, any further commands other than the initialization handshake with the VIOS management partition will result in an invalid state error. Instead of sending a command that will be returned with an error, print a warning and return an error that will be handled by the caller. Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
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| net | ||
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| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| 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.