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(-)