linux/kernel/rcu
Paul E. McKenney 1a893c711a srcu: Provide internal interface to start a Tiny SRCU grace period
There is a need for a polling interface for SRCU grace periods.
This polling needs to initiate an SRCU grace period without
having to queue (and manage) a callback.  This commit therefore
splits the Tiny SRCU call_srcu() function into callback-queuing and
start-grace-period portions, with the latter in a new function named
srcu_gp_start_if_needed().

Link: https://lore.kernel.org/rcu/20201112201547.GF3365678@moria.home.lan/
Reported-by: Kent Overstreet <kent.overstreet@gmail.com>
Reviewed-by: Neeraj Upadhyay <neeraju@codeaurora.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2021-01-04 13:53:37 -08:00
..
Kconfig rcu: Clarify nocb kthreads naming in RCU_NOCB_CPU config 2020-11-19 19:37:16 -08:00
Kconfig.debug Merge branch 'strictgp.2020.08.24a' into HEAD 2020-09-03 09:47:42 -07:00
Makefile rcuperf: Change rcuperf to rcuscale 2020-08-24 18:39:24 -07:00
rcu_segcblist.c rcu/segcblist: Prevent useless GP start if no CBs to accelerate 2020-09-03 09:39:59 -07:00
rcu_segcblist.h rcu: Implement rcu_segcblist_is_offloaded() config dependent 2020-11-19 19:37:16 -08:00
rcu.h rcutorture: Make grace-period kthread report match RCU flavor being tested 2020-11-02 17:12:43 -08:00
rcuscale.c rcuscale: Prevent hangs for invalid arguments 2020-11-06 17:13:51 -08:00
rcutorture.c Merge branches 'cpuinfo.2020.11.06a', 'doc.2020.11.06a', 'fixes.2020.11.19b', 'lockdep.2020.11.02a', 'tasks.2020.11.06a' and 'torture.2020.11.06a' into HEAD 2020-11-19 19:37:47 -08:00
refscale.c refscale: Prevent hangs for invalid arguments 2020-11-06 17:13:51 -08:00
srcutiny.c srcu: Provide internal interface to start a Tiny SRCU grace period 2021-01-04 13:53:37 -08:00
srcutree.c Merge branches 'cpuinfo.2020.11.06a', 'doc.2020.11.06a', 'fixes.2020.11.19b', 'lockdep.2020.11.02a', 'tasks.2020.11.06a' and 'torture.2020.11.06a' into HEAD 2020-11-19 19:37:47 -08:00
sync.c rcu/sync: Simplify the state machine 2019-05-28 09:05:23 -07:00
tasks.h rcu-tasks: Make the units of ->init_fract be jiffies 2020-11-06 17:17:59 -08:00
tiny.c rcu: Rename *_kfree_callback/*_kfree_rcu_offset/kfree_call_* 2020-06-29 11:59:25 -07:00
tree_exp.h rcu: Initialize at declaration time in rcu_exp_handler() 2020-08-24 18:36:03 -07:00
tree_plugin.h rcu: Do not report strict GPs for outgoing CPUs 2020-11-19 19:37:17 -08:00
tree_stall.h rcu: Panic after fixed number of stalls 2020-11-19 19:37:16 -08:00
tree.c Scheduler updates: 2020-12-14 18:29:11 -08:00
tree.h rcu: Prevent lockdep-RCU splats on lock acquisition/release 2020-11-19 19:37:17 -08:00
update.c Merge tag 'core-rcu-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-10-18 14:34:50 -07:00