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| author | Frederic Weisbecker <frederic@kernel.org> | 2021-06-10 17:50:29 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2021-07-20 13:36:33 -0700 |
| commit | c28adacc14e70e3260063e97ebb8dd984e6f7a07 (patch) | |
| tree | 0b0142d4768e452a48e8458b03b5423caaa078a7 /Documentation/RCU/stallwarn.rst | |
| parent | 9984fd7e5e2f16cf867dba43ab9a4d123b91d3d3 (diff) | |
| download | linux-c28adacc14e70e3260063e97ebb8dd984e6f7a07.tar.gz | |
rcu/doc: Add a quick quiz to explain further why we need smp_mb__after_unlock_lock()
Add some missing critical pieces of explanation to understand the need
for full memory barriers throughout the whole grace period state machine,
thanks to Paul's explanations.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Cc: Neeraj Upadhyay <neeraju@codeaurora.org>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Uladzislau Rezki <urezki@gmail.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
[ paulmck: Adjust code block per Akira Yokosawa. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'Documentation/RCU/stallwarn.rst')
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