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0b6f499022
Current code uses a 'polling' flag to keep track of whether an Input Queue has any ACKed SBALs. QEBSM devices might have multiple ACKed SBALs, and those are tracked separately with 'ack_count'. By also setting ack_count for non-QEBSM devices (to a fixed value of 1), we can use 'ack_count != 0' as replacement for the polling flag. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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.