linux-next: build failure after merge of the akpm tree

From: Stephen Rothwell
Date: Tue Aug 26 2014 - 03:18:32 EST


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_enabled'
kernel/built-in.o: In function `proc_dowatchdog':
(.text+0x6a6a8): undefined reference to `watchdog_enable_hardlockup_detector'
kernel/built-in.o: In function `proc_dowatchdog':
(.text+0x6a79c): undefined reference to `watchdog_enable_hardlockup_detector'

Caused by commit 72355eed4bd7 ("kernel/watchdog.c: control hard lockup
detection default"). This build has CONFIG_HAVE_NMI_WATCHDOG=y,
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.
--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx

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