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

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Message-ID: <20160419190533.GG3837@linux.vnet.ibm.com>
Date:	Tue, 19 Apr 2016 12:05:33 -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 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.)

							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