Re: [patch] sched, rt: fix migrate_enable() thinko
From: Frank Rowand <hidden>
Date: 2011-09-08 02:11:42
Also in:
lkml
On 08/23/11 07:12, Mike Galbraith wrote:
Assigning mask = tsk_cpus_allowed(p) after p->migrate_disable = 0 ensures that we won't see a mask change.. no push/pull, we stack tasks on one CPU. Also add a couple fields to sched_debug for the next guy. Signed-off-by: Mike Galbraith <redacted> ---
< snip >
quoted hunk ↗ jump to hunk
Index: linux-2.6/kernel/sched_debug.c ===================================================================--- linux-2.6.orig/kernel/sched_debug.c +++ linux-2.6/kernel/sched_debug.c@@ -235,6 +235,7 @@ void print_rt_rq(struct seq_file *m, int P(rt_throttled); PN(rt_time); PN(rt_runtime); + P(rt_nr_migratory); #undef PN #undef P@@ -484,6 +485,8 @@ void proc_sched_show_task(struct task_st P(se.load.weight); P(policy); P(prio); + P(migrate_disable); + P(rt.nr_cpus_allowed); #undef PN #undef __PN #undef P
Fix compile error for CONFIG_SMP=n Signed-off-by: Frank Rowand <redacted> --- kernel/sched_debug.c | 2 2 + 0 - 0 ! 1 file changed, 2 insertions(+) Index: b/kernel/sched_debug.c ===================================================================
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c@@ -235,7 +235,9 @@ void print_rt_rq(struct seq_file *m, int P(rt_throttled); PN(rt_time); PN(rt_runtime); +#ifdef CONFIG_SMP P(rt_nr_migratory); +#endif #undef PN #undef P