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b286997e83
Event count value is initialized and set to zero in function paicrypt_start(). This function is called once per CPU when an event is started on that CPU. This leads to event count value being set to zero as many times as there are online CPUs. This is not necessary. The event count value is bound to the event and it is sufficient to initialize the event counter once at event creation time. This is done when the event structure is dynamicly allocated with __GFP_ZERO flag. This sets member count to zero. Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com> Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> |
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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.