linux-kernel - Re: [patch 6/9] Add the "Master Timer"

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Message-ID: <20070201132901.GN21755@dwarf.suse.cz>
Date:	Thu, 1 Feb 2007 14:29:04 +0100
From:	Jiri Bohac <jbohac@...e.cz>
To:	Andi Kleen <ak@...e.de>
Cc:	jbohac@...e.cz, linux-kernel@...r.kernel.org,
	Vojtech Pavlik <vojtech@...e.cz>, ssouhlal@...ebsd.org,
	arjan@...radead.org, tglx@...utronix.de, johnstul@...ibm.com,
	zippel@...ux-m68k.org, andrea@...e.de
Subject: Re: [patch 6/9] Add the "Master Timer"

On Thu, Feb 01, 2007 at 12:22:55PM +0100, Andi Kleen wrote:
> >  
> > -unsigned int cpu_khz;					/* TSC clocks / usec, not used here */
> > +unsigned int cpu_khz;		/* TSC clocks / usec, not used here */
> > +static s64 mt_per_tick;		/* master timer ticks per jiffie */
> > +static u64 __mt;		/* master timer */
> > +static u32 __mt_last;		/* value last read from read_master_timer() when updating timer caches */
> 
> Why the underscores? 

To make it clear that the variables should not be used directly.
They should only be accessed through the get_master_timer(),
set_master_timer64(), etc. funcitions.

Something wrong with that? I have no problem deleting the
underscores :-)

-- 
Jiri Bohac <jbohac@...e.cz>
SUSE Labs, SUSE CZ

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