Re: [PATCH 1/3] powerpc: Remove -mno-sched-epilog workaround

2014-09-23 Thread Steven Rostedt
I'm running my ftrace tests on my PAsemi box with your patches and things are not going so well. Just this patch alone causes my first stress test to lock up, and things don't go so well after that. INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 1, t=5253 jiffies, g=3603,

[PATCH 1/3] powerpc: Remove -mno-sched-epilog workaround

2014-09-17 Thread Anton Blanchard
We added -mno-sched-epilog in commit 7563dc645853 (powerpc: Work around gcc's -fno-omit-frame-pointer bug). We shouldn't apply -fno-omit-frame-pointer on powerpc any more (it's protected by CONFIG_FRAME_POINTER and CONFIG_SCHED_OMIT_FRAME_POINTER). It's also an undocumented gcc option, so lets