Re: [PATCH tip/core/rcu 03/17] rcu/tree: Skip entry into the page allocator for PREEMPT_RT

Sebastian Andrzej Siewior
2020-07-15T14:16:27Z

On 2020-07-15 15:38:08 [+0200], Uladzislau Rezki wrote:
> > As of -rc3 it should complain about printk() which is why it is still disabled by default.
> >
> Have you tried to trigger a "complain" you are talking about?

No, but I is wrong because a raw_spinlock_t is acquired followed by a
spinlock_t.

> I suspect to get some trace dump when CONFIG_PROVE_RAW_LOCK_NESTING=y.

You should get one if you haven't received any splat earlier (like from
printk code because it only triggers once).

> Thank you.

Sebastian