rcu-tasks: Make trc_read_check_handler() fetch ->trc_reader_nesting only once

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This commit replaces the pair of READ_ONCE(t->trc_reader_nesting) calls
with a single such call and a local variable.  This makes the code's
intent more clear.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: KP Singh <kpsingh@kernel.org>

...

This commit is contained in:

Paul E. McKenney 2022-05-26 16:12:51 -07:00

parent 550611269b

commit 9ff86b4c44

1 changed files with 4 additions and 2 deletions

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kernel/rcu/tasks.h

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