Re: [PATCH 23/32] softirq: Remove stale comment

Frederic Weisbecker
2019-02-27T23:10:04Z

On Wed, Feb 27, 2019 at 12:04:04PM +0100, Sebastian Andrzej Siewior wrote:
> On 2019-02-12 18:14:14 [+0100], Frederic Weisbecker wrote:
> > __local_bh_disable_ip() is neither for strict internal use nor does it
> > require the caller to disable hardirqs. Probaby a celebration for ancient
>
> Probaby
>
> > behaviour.
>
> I think the point was to override the IP for the tracer. So everyone
> else used local_bh_disable() and was recorded as the caller except for
> softirq.c internal usage where __do_softirq() did also
> "local_bh_disable()" but recorded its caller (instead recording
> __do_softirq()).

Looks so. Anyway now it's also used by locking functions that need to pass
their own callers. So the comment is stale.