linux-kernel - Re: [patch 27/30] staging: Bulk convert the semaphore mess

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Date:	Wed, 8 Sep 2010 02:11:41 -0700
From:	Greg KH <greg@...ah.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Christoph Hellwig <hch@...radead.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [patch 27/30] staging: Bulk convert the semaphore mess

On Wed, Sep 08, 2010 at 10:59:23AM +0200, Thomas Gleixner wrote:
> On Tue, 7 Sep 2010, Greg KH wrote:
> 
> > On Tue, Sep 07, 2010 at 02:33:47PM -0000, Thomas Gleixner wrote:
> > > init_MUTEX(_LOCKED) and DECLARE_MUTEX are going away. Bulk convert
> > > staging users.
> > 
> > I don't think you actually built this change:
> > 
> > > --- linux-2.6.orig/drivers/staging/comedi/drivers/usbdux.c
> > > +++ linux-2.6/drivers/staging/comedi/drivers/usbdux.c
> > > @@ -315,7 +315,7 @@ struct usbduxsub {
> > >   */
> > >  static struct usbduxsub usbduxsub[NUMUSBDUX];
> > >  
> > > -static DECLARE_MUTEX(start_stop_sem);
> > > +static DEFINE_SEMAPHORE(start_stop_sem);
> > >  
> > >  /*
> > >   * Stops the data acquision
> > 
> > I don't see DEFINE_SEMAPHORE() in Linus's tree, what should we use
> > instead?
> 
> It's the first patch in the series, which I want to get Linus wards
> now, so this does not trip over.

Ah, that makes sense.

Well, it didn't hurt for me to take the other portions of this patch,
right?

thanks,

greg k-h
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