lkml.org 
[lkml]   [2018]   [Jul]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [next-20180709][bisected 9cf57731][ppc] build fail with ld: BFD version 2.26.1-1.fc25 assertion fail elf64-ppc.c:14734
On Mon, Jul 09, 2018 at 03:21:23PM +0530, Abdul Haleem wrote:
> Greeting's
>
> Today's next fails to build on powerpc with below error
>
> kernel/cpu.o:(.data.rel+0x18e0): undefined reference to
> `lockup_detector_online_cpu'
> ld: BFD version 2.26.1-1.fc25 assertion fail elf64-ppc.c:14734
> kernel/cpu.o:(.data.rel+0x18e8): undefined reference to
> `lockup_detector_offline_cpu'
> ld: BFD version 2.26.1-1.fc25 assertion fail elf64-ppc.c:14734
> Makefile:1005: recipe for target 'vmlinux' failed
> make: *** [vmlinux] Error 1

Urgh, sorry about that. I think the below should cure that.

I got confused by all the varioud CONFIG options here abour and
conflated CONFIG_LOCKUP_DETECTOR and CONFIG_SOFTLOCKUP_DETECTOR it
seems.

diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index 80664bbeca43..08f9247e9827 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -33,15 +33,10 @@ extern int sysctl_hardlockup_all_cpu_backtrace;
#define sysctl_hardlockup_all_cpu_backtrace 0
#endif /* !CONFIG_SMP */

-extern int lockup_detector_online_cpu(unsigned int cpu);
-extern int lockup_detector_offline_cpu(unsigned int cpu);
-
#else /* CONFIG_LOCKUP_DETECTOR */
static inline void lockup_detector_init(void) { }
static inline void lockup_detector_soft_poweroff(void) { }
static inline void lockup_detector_cleanup(void) { }
-#define lockup_detector_online_cpu NULL
-#define lockup_detector_offline_cpu NULL
#endif /* !CONFIG_LOCKUP_DETECTOR */

#ifdef CONFIG_SOFTLOCKUP_DETECTOR
@@ -50,12 +45,18 @@ extern void touch_softlockup_watchdog(void);
extern void touch_softlockup_watchdog_sync(void);
extern void touch_all_softlockup_watchdogs(void);
extern unsigned int softlockup_panic;
-#else
+
+extern int lockup_detector_online_cpu(unsigned int cpu);
+extern int lockup_detector_offline_cpu(unsigned int cpu);
+#else /* CONFIG_SOFTLOCKUP_DETECTOR */
static inline void touch_softlockup_watchdog_sched(void) { }
static inline void touch_softlockup_watchdog(void) { }
static inline void touch_softlockup_watchdog_sync(void) { }
static inline void touch_all_softlockup_watchdogs(void) { }
-#endif
+
+#define lockup_detector_online_cpu NULL
+#define lockup_detector_offline_cpu NULL
+#endif /* CONFIG_SOFTLOCKUP_DETECTOR */

#ifdef CONFIG_DETECT_HUNG_TASK
void reset_hung_task_detector(void);
\
 
 \ /
  Last update: 2018-07-09 13:49    [W:0.052 / U:0.540 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site