The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 55fbe86ef303bc8ab040e579fba34a750c08200e
Gitweb: https://git.kernel.org/tip/55fbe86ef303bc8ab040e579fba34a750c08200e
Author: Paul E. McKenney <paulmck@xxxxxxxxxx>
AuthorDate: Tue, 19 May 2020 15:02:02 -07:00
Committer: Paul E. McKenney <paulmck@xxxxxxxxxx>
CommitterDate: Mon, 29 Jun 2020 11:58:50 -07:00
rcu: Remove initialized but unused rnp from check_slow_task()
This commit removes the variable rnp from check_slow_task(), which
is defined, assigned to, but not otherwise used.
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
kernel/rcu/tree_stall.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h
index 2768ce6..d203f82 100644
--- a/kernel/rcu/tree_stall.h
+++ b/kernel/rcu/tree_stall.h
@@ -237,14 +237,12 @@ struct rcu_stall_chk_rdr {
*/
static bool check_slow_task(struct task_struct *t, void *arg)
{
- struct rcu_node *rnp;
struct rcu_stall_chk_rdr *rscrp = arg;
if (task_curr(t))
return false; // It is running, so decline to inspect it.
rscrp->nesting = t->rcu_read_lock_nesting;
rscrp->rs = t->rcu_read_unlock_special;
- rnp = t->rcu_blocked_node;
rscrp->on_blkd_list = !list_empty(&t->rcu_node_entry);
return true;
}
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