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Date: Wed, 1 Mar 2017 15:20:16 +0900
From: Byungchul Park <byungchul.park@lge.com>
To: Peter Zijlstra <peterz@infradead.org>
CC: <mingo@kernel.org>, <tglx@linutronix.de>, <walken@google.com>,
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Subject: Re: [PATCH v5 06/13] lockdep: Implement crossrelease feature
Message-ID: <20170301062016.GG11663@X58A-UD3R>
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On Tue, Feb 28, 2017 at 01:49:06PM +0100, Peter Zijlstra wrote:
> On Tue, Feb 28, 2017 at 01:45:07PM +0100, Peter Zijlstra wrote:
> > On Wed, Jan 18, 2017 at 10:17:32PM +0900, Byungchul Park wrote:
> > > +	/*
> > > +	 * struct held_lock does not have an indicator whether in nmi.
> > > +	 */
> > > +	int nmi;
> > 
> > Do we really need this? Lockdep doesn't really know about NMI context,
> > so its weird to now partially introduce it.
> 
> That is, see how nmi_enter() includes lockdep_off().

Indeed. OK. I will fix it.