| commit | 98669802e879dc34d309cc5be2ec1319c11cb114 | [log] [tgz] |
|---|---|---|
| author | Paul E. McKenney <paulmck@kernel.org> | Thu Oct 30 09:25:09 2025 -0700 |
| committer | Paul E. McKenney <paulmck@kernel.org> | Fri Oct 31 16:34:15 2025 -0700 |
| tree | 1e451b69062b3213205d89480959497ad19f2b46 | |
| parent | cd96e1d680b270e876d24a978c339ede942b57a2 [diff] |
refscale: Add SRCU-fast-updown readers
This commit adds refscale readers based on srcu_read_lock_fast_updown()
and srcu_read_lock_fast_updown() ("refscale.scale_type=srcu-fast-updown").
On my x86 laptop, these are about 2.2ns per pair.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: <bpf@vger.kernel.org>