From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Rothwell <sfr@canb.auug.org.au>
Subject: linux-next: build failure after merge of the akpm tree
Date: Tue, 26 Aug 2014 17:18:18 +1000
Message-ID: <20140826171818.719c4e6a@canb.auug.org.au>
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To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Ulrich Obergfell <uobergfe@redhat.com>, Andrew Jones <drjones@redhat.com>, Don Zickus <dzickus@redhat.com>
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Hi Andrew,

After merging the akpm tree, today's linux-next build (sparc64
defconfig) failed like this:

kernel/built-in.o: In function `proc_dowatchdog':
(.text+0x6a620): undefined reference to `watchdog_hardlockup_detector_is_en=
abled'
kernel/built-in.o: In function `proc_dowatchdog':
(.text+0x6a6a8): undefined reference to `watchdog_enable_hardlockup_detecto=
r'
kernel/built-in.o: In function `proc_dowatchdog':
(.text+0x6a79c): undefined reference to `watchdog_enable_hardlockup_detecto=
r'

Caused by commit 72355eed4bd7 ("kernel/watchdog.c: control hard lockup
detection default").  This build has CONFIG_HAVE_NMI_WATCHDOG=3Dy,
CONFIG_HARDLOCKUP_DETECTOR not set.

I have reverted that commit (and commits
"watchdog-control-hard-lockup-detection-default-fix" and "kvm: ensure
hard lockup detection is disabled by default" that follow it) for today.
--=20
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au

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