doc: Update RCU's requirements page about the PREEMPT_RT wiki

The PREEMPT_RT wiki moved from kernel.org to the Linux Foundation wiki.
The kernel.org wiki is read only.

This commit therefore updates the URL of the active PREEMPT_RT wiki.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Sebastian Andrzej Siewior 2020-12-15 15:16:48 +01:00 committed by Paul E. McKenney
parent 2252ec1464
commit 361c0f3d80

View File

@ -2317,7 +2317,7 @@ decides to throw at it.
The Linux kernel is used for real-time workloads, especially in
conjunction with the `-rt
patchset <https://rt.wiki.kernel.org/index.php/Main_Page>`__. The
patchset <https://wiki.linuxfoundation.org/realtime/>`__. The
real-time-latency response requirements are such that the traditional
approach of disabling preemption across RCU read-side critical sections
is inappropriate. Kernels built with ``CONFIG_PREEMPT=y`` therefore use