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SubjectRe: [PATCH 3.14-rt] sched/numa: Fix task_numa_free() lockdep splat
On Tue, 27 May 2014 14:52:01 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:


> Ah crap. I did a search on all the callers of put_task_struct(), and
> somehow missed this one. Yep, I was looking for places that called
> this while holding other irq safe locks.
>

Anyway, this nicely answers Mike's question to why it causes lockdep
splat. There exists a location that calls put_task_struct() with irqs
disabled (not to mention holding irq unsafe locks).

I was having problems just finding a place that called it with irqs off.

-- Steve


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