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In some cases, the device or firmware may be busy when the driver attempts to perform the CRQ initialization handshake. If the partner is busy, the hypervisor will return the H_CLOSED return code. The aim of this patch is that, if the device is not ready, to query the device a number of times, with a small wait time in between queries. If all initialization requests fail, the driver will remain in a dormant state, awaiting a signal from the device that it is ready for operation. Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| kernel | ||
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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.
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.