[PATCH rcu 0/3] Documentation updates for v5.17

[Paul E. McKenney]

Hello!

This series contains documentation updates:

1.	Remove obsolete kernel-per-CPU-kthreads RCU_FAST_NO_HZ advice.

2.	Add refcount analogy to What is RCU, courtesy of NeilBrown.

3.	RCU: Avoid 'Symbol' font-family in SVG figures, courtesy of
	Akira Yokosawa.

						Thanx, Paul

------------------------------------------------------------------------

 RCU/Design/Expedited-Grace-Periods/Funnel0.svg  |    4 -
 RCU/Design/Expedited-Grace-Periods/Funnel1.svg  |    4 -
 RCU/Design/Expedited-Grace-Periods/Funnel2.svg  |    4 -
 RCU/Design/Expedited-Grace-Periods/Funnel3.svg  |    4 -
 RCU/Design/Expedited-Grace-Periods/Funnel4.svg  |    4 -
 RCU/Design/Expedited-Grace-Periods/Funnel5.svg  |    4 -
 RCU/Design/Expedited-Grace-Periods/Funnel6.svg  |    4 -
 RCU/Design/Expedited-Grace-Periods/Funnel7.svg  |    4 -
 RCU/Design/Expedited-Grace-Periods/Funnel8.svg  |    4 -
 RCU/Design/Requirements/GPpartitionReaders1.svg |   36 ++++-----
 RCU/Design/Requirements/ReadersPartitionGP1.svg |   62 ++++++++--------
 RCU/whatisRCU.rst                               |   90 +++++++++++++++++++++---
 admin-guide/kernel-per-CPU-kthreads.rst         |    2 
 13 files changed, 150 insertions(+), 76 deletions(-)