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When the lwi arg is full of zeros, l_wait_event() behaves almost
identically to the standard wait_event_idle() interface, so use that
instead.
l_wait_event() uses TASK_INTERRUPTIBLE, but blocks all signals.
wait_event_idle() uses the new TASK_IDLE and so avoids adding
to the load average without needing to block signals.
In one case, wait_event_idle_exclusive() is needed.
Also remove all l_wait_condition*() macros which were short-cuts
for setting lwi to {0}.
Reviewed-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: Patrick Farrell <paf@cray.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.