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Zhenzhong Duan
31d851407f
Currenly haltpoll isn't aware of the 'idle=' override, the priority is 'idle=poll' > haltpoll > 'idle=halt'. When 'idle=poll' is used, cpuidle driver is bypassed but current_driver in sys still shows 'haltpoll'. When 'idle=halt' is used, haltpoll takes precedence and makes 'idle=halt' have no effect. Add a check to prevent the haltpoll driver from loading if 'idle=' is present. Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com> Co-developed-by: Joao Martins <joao.m.martins@oracle.com> [ rjw: Subject ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.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.