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rcu: Fix macro name CONFIG_TASKS_RCU_TRACE

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This commit fixes several typos where CONFIG_TASKS_RCU_TRACE should
instead be CONFIG_TASKS_TRACE_RCU.  Among other things, these typos
could cause CONFIG_TASKS_TRACE_RCU_READ_MB=y kernels to suffer from
memory-ordering bugs that could result in false-positive quiescent
states and too-short grace periods.

Signed-off-by: Zhouyi Zhou <zhouzhouyi@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Zhouyi Zhou
2021-07-13 08:56:45 +08:00
committed by Paul E. McKenney
parent e4be1f44b6
commit fed31a4dd3
2 changed files with 5 additions and 5 deletions
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2
include/linux/rcupdate.h
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@@ -167,7 +167,7 @@ void synchronize_rcu_tasks(void);
# define synchronize_rcu_tasks synchronize_rcu
# endif
# ifdef CONFIG_TASKS_RCU_TRACE
# ifdef CONFIG_TASKS_TRACE_RCU
# define rcu_tasks_trace_qs(t) \
do { \
if (!likely(READ_ONCE((t)->trc_reader_checked)) && \