Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2830cf8c90f37526d401f1999250312df970bfa3
Commit: 2830cf8c90f37526d401f1999250312df970bfa3
Parent: 2d72376b3af1e7d4d4515ebfd0f4383f2e92c343
Author: Srivatsa Vaddagiri <[EMAIL PROTECTED]>
AuthorDate: Mon Oct 15 17:00:12 2007 +0200
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Mon Oct 15 17:00:12 2007 +0200
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 <[EMAIL PROTECTED]>
---
kernel/sched.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index ba9fa6c..e1657e0 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);
}
-
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