linux-kernel - Re: linux-next: Tree for Apr 19 (waketorture.c)

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Date:	Tue, 19 Apr 2016 13:01:44 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Randy Dunlap <rdunlap@...radead.org>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: Tree for Apr 19 (waketorture.c)

On Tue, Apr 19, 2016 at 12:34:10PM -0700, Randy Dunlap wrote:
> On 04/19/16 12:05, Paul E. McKenney wrote:
> > On Tue, Apr 19, 2016 at 10:55:21AM -0700, Randy Dunlap wrote:
> >> On 04/19/16 09:56, Paul E. McKenney wrote:
> >>> On Tue, Apr 19, 2016 at 09:20:24AM -0700, Randy Dunlap wrote:
> >>>> On 04/18/16 22:13, Stephen Rothwell wrote:
> >>>>> Hi all,
> >>>>>
> >>>>> Changes since 20160418:
> >>>>>
> >>>>
> >>>> on x86_64:
> >>>>
> >>>> kernel/built-in.o: In function `wake_torture_stats_print':
> >>>> waketorture.c:(.text+0x2f06d): undefined reference to `trace_clock_global'
> >>>> kernel/built-in.o: In function `wake_torture_waiter':
> >>>> waketorture.c:(.text+0x2f196): undefined reference to `trace_clock_local'
> >>>> waketorture.c:(.text+0x2f1bc): undefined reference to `trace_clock_local'
> >>>> waketorture.c:(.text+0x2f1d4): undefined reference to `trace_clock_local'
> >>>> waketorture.c:(.text+0x2f237): undefined reference to `trace_clock_local'
> >>>> waketorture.c:(.text+0x2f253): undefined reference to `trace_clock_local'
> >>>> kernel/built-in.o:waketorture.c:(.text+0x2f318): more undefined references to `trace_clock_local' follow
> >>>> kernel/built-in.o: In function `wake_torture_init':
> >>>> waketorture.c:(.init.text+0x2b3f): undefined reference to `trace_clock_global'
> >>>>
> >>>>
> >>>> Full randconfig file is attached.
> >>>
> >>> I don't see the .config, could you please send it to me?
> >>>
> >>> Looks like I need to add a few "depends" or "selects" clauses...
> >>
> >> Weird, mail client told me that it was attaching the config file.
> >> Trying again...
> > 
> > I know that feeling!
> > 
> > Does the following patch help?  (The 64BIT is unrelated, feel free
> > to back that part out if you wish.)
> 
> Yes, that works for me.  Thanks.
> 
> Acked-by: Randy Dunlap <rdunlap@...radead.org>

Very good, thank you!

							Thanx, Paul

> > ------------------------------------------------------------------------
> > 
> > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> > index 8644658e75c0..a42570a0fb56 100644
> > --- a/lib/Kconfig.debug
> > +++ b/lib/Kconfig.debug
> > @@ -1434,7 +1434,8 @@ config RCU_TORTURE_TEST_SLOW_CLEANUP_DELAY
> >  config WAKE_TORTURE_TEST
> >  	tristate "Torture test for wakeups and CPU hotplug"
> >  	depends on DEBUG_KERNEL
> > -	depends on X86_64 || ARM64 || PPC64 || MIPS
> > +	depends on 64BIT
> > +	depends on TRACE_CLOCK
> >  	select TORTURE_TEST
> >  	default n
> >  	help
> > 
> 
> 
> 
> -- 
> ~Randy
>