linux-kernel - Re: [PATCH] mutex: make mutex_lock

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Message-ID: <20151014135829.GA10942@gmail.com>
Date:	Wed, 14 Oct 2015 15:58:29 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Mark Brown <broonie@...nel.org>, Arnd Bergmann <arnd@...db.de>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Liam Girdwood <lgirdwood@...il.com>, akpm@...ux-foundation.org,
	Sascha Hauer <kernel@...gutronix.de>
Subject: Re: [PATCH] mutex: make mutex_lock_nested an inline function


* Peter Zijlstra <peterz@...radead.org> wrote:

> On Wed, Oct 14, 2015 at 03:47:21PM +0200, Peter Zijlstra wrote:
> > ---
> >  Documentation/locking/lockdep-design.txt | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> > 
> > diff --git a/Documentation/locking/lockdep-design.txt b/Documentation/locking/lockdep-design.txt
> > index 5001280e9d82..e8e9ad4e6f5e 100644
> > --- a/Documentation/locking/lockdep-design.txt
> > +++ b/Documentation/locking/lockdep-design.txt
> > @@ -24,6 +24,10 @@ a lock-class is used for the first time after bootup it gets registered,
> >  and all subsequent uses of that lock-class will be attached to this
> >  lock-class.
> >  
> > +A class is typically associated with a lock's initialisation site; although
> > +its possible to explicitly initialize a lock with a different class key --
> > +such class keys much come from static storage.
> 
> Now if only I could actually type: s/much/must/

also:

   s/its/it's

:-)

Thanks,

	Ingo
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