On Fri, Aug 23, 2024 at 05:21:58PM +0800, Hongbo Li wrote:
> This silences the following coccinelle warning:
> WARNING: sum of probable bitmasks, consider |
>
> Signed-off-by: Hongbo Li <lihongb...@huawei.com>
Reviewed-by: Paul E. McKenney <paul...@kernel.org>
> ---
> kernel/rcu/tree_plugin.h | 22 +++++++++++-----------
> 1 file changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
> index 1c7cbd145d5e..3927ea5f7955 100644
> --- a/kernel/rcu/tree_plugin.h
> +++ b/kernel/rcu/tree_plugin.h
> @@ -183,9 +183,9 @@ static void rcu_preempt_ctxt_queue(struct rcu_node *rnp,
> struct rcu_data *rdp)
> switch (blkd_state) {
> case 0:
> case RCU_EXP_TASKS:
> - case RCU_EXP_TASKS + RCU_GP_BLKD:
> + case RCU_EXP_TASKS | RCU_GP_BLKD:
> case RCU_GP_TASKS:
> - case RCU_GP_TASKS + RCU_EXP_TASKS:
> + case RCU_GP_TASKS | RCU_EXP_TASKS:
>
> /*
> * Blocking neither GP, or first task blocking the normal
> @@ -198,10 +198,10 @@ static void rcu_preempt_ctxt_queue(struct rcu_node
> *rnp, struct rcu_data *rdp)
>
> case RCU_EXP_BLKD:
> case RCU_GP_BLKD:
> - case RCU_GP_BLKD + RCU_EXP_BLKD:
> - case RCU_GP_TASKS + RCU_EXP_BLKD:
> - case RCU_GP_TASKS + RCU_GP_BLKD + RCU_EXP_BLKD:
> - case RCU_GP_TASKS + RCU_EXP_TASKS + RCU_GP_BLKD + RCU_EXP_BLKD:
> + case RCU_GP_BLKD | RCU_EXP_BLKD:
> + case RCU_GP_TASKS | RCU_EXP_BLKD:
> + case RCU_GP_TASKS | RCU_GP_BLKD | RCU_EXP_BLKD:
> + case RCU_GP_TASKS | RCU_EXP_TASKS | RCU_GP_BLKD | RCU_EXP_BLKD:
>
> /*
> * First task arriving that blocks either GP, or first task
> @@ -214,9 +214,9 @@ static void rcu_preempt_ctxt_queue(struct rcu_node *rnp,
> struct rcu_data *rdp)
> list_add_tail(&t->rcu_node_entry, &rnp->blkd_tasks);
> break;
>
> - case RCU_EXP_TASKS + RCU_EXP_BLKD:
> - case RCU_EXP_TASKS + RCU_GP_BLKD + RCU_EXP_BLKD:
> - case RCU_GP_TASKS + RCU_EXP_TASKS + RCU_EXP_BLKD:
> + case RCU_EXP_TASKS | RCU_EXP_BLKD:
> + case RCU_EXP_TASKS | RCU_GP_BLKD | RCU_EXP_BLKD:
> + case RCU_GP_TASKS | RCU_EXP_TASKS | RCU_EXP_BLKD:
>
> /*
> * Second or subsequent task blocking the expedited GP.
> @@ -227,8 +227,8 @@ static void rcu_preempt_ctxt_queue(struct rcu_node *rnp,
> struct rcu_data *rdp)
> list_add(&t->rcu_node_entry, rnp->exp_tasks);
> break;
>
> - case RCU_GP_TASKS + RCU_GP_BLKD:
> - case RCU_GP_TASKS + RCU_EXP_TASKS + RCU_GP_BLKD:
> + case RCU_GP_TASKS | RCU_GP_BLKD:
> + case RCU_GP_TASKS | RCU_EXP_TASKS | RCU_GP_BLKD:
>
> /*
> * Second or subsequent task blocking the normal GP.
> --
> 2.34.1
>
