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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