linux-kernel - [RFC][PATCH] Fixing POSIX wait queue to insert in task priority order for real-time, including normal tasks

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Date:   Tue, 5 Dec 2017 18:12:57 -0700
From:   Jonathan Haws <jhaws@....usu.edu>
To:     <linux-kernel@...r.kernel.org>
CC:     Jonathan Haws <jhaws@....usu.edu>
Subject: [RFC][PATCH] Fixing POSIX wait queue to insert in task priority order for real-time, including normal tasks

---
 ipc/mqueue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 9649ecd..cb96db9 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -546,7 +546,7 @@ static void wq_add(struct mqueue_inode_info *info, int sr,
 	ewp->task = current;
 
 	list_for_each_entry(walk, &info->e_wait_q[sr].list, list) {
-		if (walk->task->static_prio <= current->static_prio) {
+		if (walk->task->prio <= current->prio) {
 			list_add_tail(&ewp->list, &walk->list);
 			return;
 		}
-- 
2.7.4