On 2017-04-13 22:02:53 [+0800], Alex Shi wrote: > The rt_mutex_fastunlock() will deboost 'current' task when it should be.
without looking whether or not this patch makes sense those patches
won't apply. Please look at tip/master or tip's locking/core
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=locking/core
where PeterZ rewrote part of the code.
Sebastian

