Commit 2830cf8c authored by Srivatsa Vaddagiri's avatar Srivatsa Vaddagiri Committed by Ingo Molnar
Browse files

sched: group scheduler SMP migration fix

group scheduler SMP migration fix: use task_cfs_rq(p) to get
to the relevant fair-scheduling runqueue of a task, rq->cfs
is not the right one.
Signed-off-by: default avatarIngo Molnar <>
parent 2d72376b
......@@ -1040,6 +1040,8 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
int old_cpu = task_cpu(p);
struct rq *old_rq = cpu_rq(old_cpu), *new_rq = cpu_rq(new_cpu);
struct cfs_rq *old_cfsrq = task_cfs_rq(p),
*new_cfsrq = cpu_cfs_rq(old_cfsrq, new_cpu);
u64 clock_offset;
clock_offset = old_rq->clock - new_rq->clock;
......@@ -1052,7 +1054,8 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
if (p->se.block_start)
p->se.block_start -= clock_offset;
p->se.vruntime -= old_rq->cfs.min_vruntime - new_rq->cfs.min_vruntime;
p->se.vruntime -= old_cfsrq->min_vruntime -
__set_task_cpu(p, new_cpu);
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment