From 2830cf8c90f37526d401f1999250312df970bfa3 Mon Sep 17 00:00:00 2001 From: Srivatsa Vaddagiri Date: Mon, 15 Oct 2007 17:00:12 +0200 Subject: 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: Ingo Molnar --- kernel/sched.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'kernel/sched.c') diff --git a/kernel/sched.c b/kernel/sched.c index ba9fa6c0ab65..e1657e0c86d0 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -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; #endif - p->se.vruntime -= old_rq->cfs.min_vruntime - new_rq->cfs.min_vruntime; + p->se.vruntime -= old_cfsrq->min_vruntime - + new_cfsrq->min_vruntime; __set_task_cpu(p, new_cpu); } -- cgit v1.2.2