Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-12-28 16:56:26 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

rcu: Use bitwise instead of arithmetic operator for flags

Browse Source 
This silences the following coccinelle warning:
  WARNING: sum of probable bitmasks, consider |

Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Reviewed-by: "Paul E. McKenney" <paulmck@kernel.org>
Signed-off-by: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
This commit is contained in:
Hongbo Li 2024-08-23 17:21:58 +08:00 committed by Frederic Weisbecker
parent 4a09e35892
commit c329120696
1 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
kernel/rcu/tree_plugin.h
View File

@ -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.