linux-kernel - [RFC PATCH 1/4] Minimally invasive deadline wrap-around bugfix for the SCHED

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Date:	Thu, 19 May 2016 18:02:09 +0200
From:	Tommaso Cucinotta <tommaso.cucinotta@...up.it>
To:	Luca Abeni <luca.abeni@...tn.it>,
	Juri Lelli <juri.lelli@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Tommaso Cucinotta <tommaso.cucinotta@...up.it>
Subject: [RFC PATCH 1/4] Minimally invasive deadline wrap-around bugfix for the SCHED_DEADLINE cpu heap.

---
 kernel/sched/cpudeadline.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/cpudeadline.c b/kernel/sched/cpudeadline.c
index 5be5882..d418449 100644
--- a/kernel/sched/cpudeadline.c
+++ b/kernel/sched/cpudeadline.c
@@ -168,7 +168,7 @@ void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid)
 
 	if (old_idx == IDX_INVALID) {
 		cp->size++;
-		cp->elements[cp->size - 1].dl = 0;
+		cp->elements[cp->size - 1].dl = dl;
 		cp->elements[cp->size - 1].cpu = cpu;
 		cp->elements[cpu].idx = cp->size - 1;
 		cpudl_change_key(cp, cp->size - 1, dl);
-- 
2.7.4