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| author |   Frederic Weisbecker <frederic@kernel.org> | 2024-05-15 14:53:30 +0200 |
|---|---|---|
| committer |   Paul E. McKenney <paulmck@kernel.org> | 2024-06-28 06:44:12 -0700 |
| commit | e7a3c8ea6e2509f71150fa13b00da3ef2bbe2387 (patch) | |
| tree | 2481c750bbea80424e8fc587a6e63fc64ab46420 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | rcu/exp: Remove superfluous full memory barrier upon first EQS snapshot (diff) | |
| download | wireguard-linux-e7a3c8ea6e2509f71150fa13b00da3ef2bbe2387.tar.xz wireguard-linux-e7a3c8ea6e2509f71150fa13b00da3ef2bbe2387.zip | |
rcu: Remove full memory barrier on boot time eqs sanity check
When the boot CPU initializes the per-CPU data on behalf of all possible
CPUs, a sanity check is performed on each of them to make sure none is
initialized in an extended quiescent state.
This check involves a full memory barrier which is useless at this early
boot stage.
Do a plain access instead.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions