linux-kernel - Re: [PATCH 3/3] lockdep: new annotation lock

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Message-ID: <20170214121141.GU6515@twins.programming.kicks-ass.net>
Date:   Tue, 14 Feb 2017 13:11:41 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     "J. R. Okajima" <hooanon05g@...il.com>
Cc:     kbuild test robot <lkp@...el.com>, kbuild-all@...org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] lockdep: new annotation lock_downgrade()

On Fri, Feb 03, 2017 at 06:05:31AM +0900, J. R. Okajima wrote:
> Peter Zijlstra:
> > > >> kernel/locking/rwsem.c:126:2: error: implicit declaration of functi=
> on 'lock_downgrade' [-Werror=3Dimplicit-function-declaration]
> > >      lock_downgrade(&sem->dep_map, _RET_IP_);
> > >      ^~~~~~~~~~~~~~
> 	:::
> > This is what you need !LOCKDEP stubs for ;-)
> 
> Ok, here is the update.
> Just one line added.

Thanks!

(this version was white-space mangled but I took the old one and added
the one line).