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| author | Paul E. McKenney <paulmck@kernel.org> | 2020-06-18 18:51:12 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2020-08-25 03:36:03 +0200 |
| commit | 7487ea07dfa9bd782a13469cab18973ea0ab8c57 (patch) | |
| tree | 6cc2d2d5963770aea5fac4c2e63882af3e1c9ad3 /kernel/rcu | |
| parent | srcu: Remove KCSAN stubs (diff) | |
| download | linux-7487ea07dfa9bd782a13469cab18973ea0ab8c57.tar.xz linux-7487ea07dfa9bd782a13469cab18973ea0ab8c57.zip | |
rcu: Initialize at declaration time in rcu_exp_handler()
This commit moves the initialization of the CONFIG_PREEMPT=n version of
the rcu_exp_handler() function's rdp and rnp local variables into their
respective declarations to save a couple lines of code.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/tree_exp.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h index 1888c0eb1216..8760b6ead770 100644 --- a/kernel/rcu/tree_exp.h +++ b/kernel/rcu/tree_exp.h @@ -732,11 +732,9 @@ static void rcu_exp_need_qs(void) /* Invoked on each online non-idle CPU for expedited quiescent state. */ static void rcu_exp_handler(void *unused) { - struct rcu_data *rdp; - struct rcu_node *rnp; + struct rcu_data *rdp = this_cpu_ptr(&rcu_data); + struct rcu_node *rnp = rdp->mynode; - rdp = this_cpu_ptr(&rcu_data); - rnp = rdp->mynode; if (!(READ_ONCE(rnp->expmask) & rdp->grpmask) || __this_cpu_read(rcu_data.cpu_no_qs.b.exp)) return; |