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linux-stable/kernel/rcu
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Wei Yang abfce04148 rcu: Simplify the calculation of rcu_state.ncpus 
There is only 1 bit set in mask, which means that the only difference
between oldmask and the new one will be at the position where the bit is
set in mask.  This commit therefore updates rcu_state.ncpus by checking
whether the bit in mask is already set in rnp->expmaskinitnext.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2020-06-29 11:58:49 -07:00
..
Kconfig rcu-tasks: Add Kconfig option to mediate smp_mb() vs. IPI 2020-04-27 11:03:52 -07:00
Kconfig.debug rcutorture: Add torture tests for RCU Tasks Trace 2020-04-27 11:03:51 -07:00
Makefile rcu: Provide debug symbols and line numbers in KCSAN runs 2020-02-20 15:58:21 -08:00
rcu.h Merge branches 'fixes.2020.04.27a', 'kfree_rcu.2020.04.27a', 'rcu-tasks.2020.04.27a', 'stall.2020.04.27a' and 'torture.2020.05.07a' into HEAD 2020-05-07 10:18:32 -07:00
rcu_segcblist.c rcu: Remove dead code from rcu_segcblist_insert_pend_cbs() 2020-02-20 15:58:23 -08:00
rcu_segcblist.h rcu: Remove kfree_rcu() special casing and lazy-callback handling 2020-01-24 10:24:31 -08:00
rcuperf.c rcuperf: Add ability to increase object allocation size 2020-04-27 11:02:50 -07:00
rcutorture.c Merge branches 'fixes.2020.04.27a', 'kfree_rcu.2020.04.27a', 'rcu-tasks.2020.04.27a', 'stall.2020.04.27a' and 'torture.2020.05.07a' into HEAD 2020-05-07 10:18:32 -07:00
srcutiny.c rcu: Use CONFIG_PREEMPTION where appropriate 2019-12-09 12:37:51 -08:00
srcutree.c srcu: Add data_race() to ->srcu_lock_count and ->srcu_unlock_count arrays 2020-04-27 11:01:16 -07:00
sync.c rcu/sync: Simplify the state machine 2019-05-28 09:05:23 -07:00
tasks.h rcu-tasks: Allow standalone use of TASKS_{TRACE_,}RCU 2020-04-27 11:03:53 -07:00
tiny.c rcu: Remove kfree_rcu() special casing and lazy-callback handling 2020-01-24 10:24:31 -08:00
tree.c rcu: Simplify the calculation of rcu_state.ncpus 2020-06-29 11:58:49 -07:00
tree.h Merge branches 'fixes.2020.04.27a', 'kfree_rcu.2020.04.27a', 'rcu-tasks.2020.04.27a', 'stall.2020.04.27a' and 'torture.2020.05.07a' into HEAD 2020-05-07 10:18:32 -07:00
tree_exp.h Merge branches 'fixes.2020.04.27a', 'kfree_rcu.2020.04.27a', 'rcu-tasks.2020.04.27a', 'stall.2020.04.27a' and 'torture.2020.05.07a' into HEAD 2020-05-07 10:18:32 -07:00
tree_plugin.h rcu/tree: Mark the idle relevant functions noinstr 2020-05-19 15:51:20 +02:00
tree_stall.h TTY/Serial driver updates for 5.8-rc1 2020-06-07 09:52:36 -07:00
update.c rcu: Initialize and destroy rcu_synchronize only when necessary 2020-06-29 11:58:49 -07:00