Messages in this thread | | | Date | Thu, 20 Feb 2014 15:31:03 +0100 | From | Jiri Olsa <> | Subject | Re: Re: WARNING at kernel/workqueue.c:829 wq_worker_waking_up+0x53/0x70() |
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On Thu, Feb 20, 2014 at 09:28:26PM +0800, Lan Tianyu wrote: > On 02/19/2014 06:49 AM, Tejun Heo wrote: > >Hello, > > > >On Mon, Feb 17, 2014 at 06:19:00PM +0100, Oleg Nesterov wrote: > >>acpi_processor_set_throttling() plays with set_cpus_allowed_ptr(current), > >>this is obviously wrong, and the worker is bound. > > > >Umm... yeah, anything running on workqueues shouldn't be diddling with > >cpu affinity. The function even has /* FIXME: use work_on_cpu() */ in > >it. I suppose it's about time to actually implement that? > > > >Thanks. > > > > Hi Jiri: > Could you try this patch which reworks ACPI processor throttling > with work_on_cpu()?
hum, I've got difficulties to apply it..
[jolsa@krava2 linux-perf]$ git am /tmp/wq/ Applying: WARNING at kernel/workqueue.c:829 wq_worker_waking_up+0x53/0x70() fatal: corrupt patch at line 8 Patch failed at 0001 WARNING at kernel/workqueue.c:829 wq_worker_waking_up+0x53/0x70()
jirka
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