Re: [PATCH] no-idle-hz aka dynamic ticks-2

[Con Kolivas <kernel@kolivas.org>]

On Fri, 5 Aug 2005 10:02 am, Con Kolivas wrote:
> On Thu, 4 Aug 2005 07:09 am, Pavel Machek wrote:
> > Hi!
> >
> > > > > As promised, here is an updated patch for the newly released
> > > > > 2.6.13-rc5. Boots and runs fine on P4HT (SMP+SMT kernel) built with
> > > > > gcc 4.0.1.
> > > >
> > > > Doesn't compile for me w/ gcc 3.4.4:
> > >
> > > Thanks for the report. Tiny change required. Here is a respun patch.
> >
> > I'm not sure if you added them, but...
> >
> >   CC      arch/i386/kernel/timers/timer_tsc.o
> > arch/i386/kernel/timers/timer_tsc.c: In function `mark_offset_tsc':
> > arch/i386/kernel/timers/timer_tsc.c:345: warning: `lost' might be used
> > uninitialized in this function arch/i386/kernel/timers/timer_tsc.c:345:
> > warning: `delay' might be used uninitialized in this function
> > arch/i386/kernel/timers/timer_tsc.c:347: warning: `count' might be used
> > uninitialized in this function
>
> Indeed the goto will bypass the setting of these variables and they will be
> uninitialised. Will fix with next version, thanks.

Looking yet further into this, if it gotos monotonic_base it will return 
without using any of these variables so it's a harmless warning but we may as 
well initialise them to quieten it.

Cheers,
Con