linux-kernel - Re: [(RT RFC) PATCH v2 2/9] sysctl for runtime-control of lateral mutex stealing

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Date:	Mon, 25 Feb 2008 15:40:26 -0800
From:	Sven-Thorsten Dietrich <sdietrich@...ell.com>
To:	Pavel Machek <pavel@....cz>
Cc:	Gregory Haskins <ghaskins@...ell.com>, mingo@...e.hu,
	a.p.zijlstra@...llo.nl, tglx@...utronix.de, rostedt@...dmis.org,
	linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org,
	bill.huey@...il.com, kevin@...man.org, cminyard@...sta.com,
	dsingleton@...sta.com, dwalker@...sta.com, npiggin@...e.de,
	dsaxena@...xity.net, ak@...e.de, acme@...hat.com, gregkh@...e.de,
	pmorreale@...ell.com, mkohari@...ell.com
Subject: Re: [(RT RFC) PATCH v2 2/9] sysctl for runtime-control of lateral
	mutex stealing


On Tue, 2008-02-26 at 00:00 +0100, Pavel Machek wrote:
> Hi!
> 
> > > > index c913d48..c24c53d 100644
> > > > --- a/kernel/sysctl.c
> > > > +++ b/kernel/sysctl.c
> > > > @@ -175,6 +175,10 @@ extern struct ctl_table inotify_table[];
> > > >  int sysctl_legacy_va_layout;
> > > >  #endif
> > > >  
> > > > +#ifdef CONFIG_RTLOCK_LATERAL_STEAL
> > > > +extern int rtmutex_lateral_steal;
> > > > +#endif
> > > > +
> > > 
> > > Try checkpatch.
> > 
> > I have that as part of quilt refresh, and it returns:
> > 
> > Your patch has no obvious style problems and is ready for
> > submission.
> 
> Sorry. Anyway, there should not be externs in .c files, so 
> 
> extern int rtmutex_lateral_steal;
> 
> should go to header file.

Just for the record:

grep extern kernel/sysctl.c | wc -l
40

There is a whole slew here, that I agree could move elsewhere - maybe
into sysctl.h?

If no one objects, I'll make a patch to move them all?

Sven

> 									Pavel

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