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Date:   Wed, 27 Feb 2019 12:04:04 +0100
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Mauro Carvalho Chehab <mchehab@...pensource.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        "David S . Miller" <davem@...emloft.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
        Frederic Weisbecker <fweisbec@...il.com>,
        Pavan Kondeti <pkondeti@...eaurora.org>,
        Ingo Molnar <mingo@...nel.org>,
        Joel Fernandes <joel@...lfernandes.org>
Subject: Re: [PATCH 23/32] softirq: Remove stale comment

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()).

Sebastian

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