Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1732203
| From | tip-bot for Thomas Gleixner <tipbot@zytor.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [tip:core/urgent] watchdog/core: Clean up the #ifdef maze |
| Date | 2017-09-14 13:00 +0200 |
| Message-ID | <upA2e-3WF-27@gated-at.bofh.it> (permalink) |
| References | <uoZvI-5zK-29@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Commit-ID: 368a7e2ce8ff0ddcdcb37eadb76530b033f6eb2d
Gitweb: http://git.kernel.org/tip/368a7e2ce8ff0ddcdcb37eadb76530b033f6eb2d
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Tue, 12 Sep 2017 21:37:07 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 14 Sep 2017 11:41:05 +0200
watchdog/core: Clean up the #ifdef maze
The #ifdef maze in this file is horrible, group stuff at least a bit so one
can figure out what belongs to what.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Don Zickus <dzickus@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Cc: Ulrich Obergfell <uobergfe@redhat.com>
Link: http://lkml.kernel.org/r/20170912194147.139629546@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
kernel/watchdog.c | 33 +++++++++++++--------------------
1 file changed, 13 insertions(+), 20 deletions(-)
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index af37c04..a9bdfde 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -41,7 +41,6 @@ unsigned long __read_mostly watchdog_enabled = SOFT_WATCHDOG_ENABLED;
#endif
#ifdef CONFIG_HARDLOCKUP_DETECTOR
-/* boot commands */
/*
* Should we panic when a soft-lockup or hard-lockup occurs:
*/
@@ -74,19 +73,21 @@ static int __init hardlockup_panic_setup(char *str)
}
__setup("nmi_watchdog=", hardlockup_panic_setup);
-#endif
+# ifdef CONFIG_SMP
+int __read_mostly sysctl_hardlockup_all_cpu_backtrace;
-#ifdef CONFIG_SOFTLOCKUP_DETECTOR
-int __read_mostly soft_watchdog_enabled;
-#endif
+static int __init hardlockup_all_cpu_backtrace_setup(char *str)
+{
+ sysctl_hardlockup_all_cpu_backtrace = !!simple_strtol(str, NULL, 0);
+ return 1;
+}
+__setup("hardlockup_all_cpu_backtrace=", hardlockup_all_cpu_backtrace_setup);
+# endif /* CONFIG_SMP */
+#endif /* CONFIG_HARDLOCKUP_DETECTOR */
int __read_mostly watchdog_user_enabled;
int __read_mostly watchdog_thresh = 10;
-#ifdef CONFIG_SMP
-int __read_mostly sysctl_softlockup_all_cpu_backtrace;
-int __read_mostly sysctl_hardlockup_all_cpu_backtrace;
-#endif
struct cpumask watchdog_cpumask __read_mostly;
unsigned long *watchdog_cpumask_bits = cpumask_bits(&watchdog_cpumask);
@@ -173,22 +174,14 @@ static int __init nosoftlockup_setup(char *str)
__setup("nosoftlockup", nosoftlockup_setup);
#ifdef CONFIG_SMP
+int __read_mostly sysctl_softlockup_all_cpu_backtrace;
+
static int __init softlockup_all_cpu_backtrace_setup(char *str)
{
- sysctl_softlockup_all_cpu_backtrace =
- !!simple_strtol(str, NULL, 0);
+ sysctl_softlockup_all_cpu_backtrace = !!simple_strtol(str, NULL, 0);
return 1;
}
__setup("softlockup_all_cpu_backtrace=", softlockup_all_cpu_backtrace_setup);
-#ifdef CONFIG_HARDLOCKUP_DETECTOR
-static int __init hardlockup_all_cpu_backtrace_setup(char *str)
-{
- sysctl_hardlockup_all_cpu_backtrace =
- !!simple_strtol(str, NULL, 0);
- return 1;
-}
-__setup("hardlockup_all_cpu_backtrace=", hardlockup_all_cpu_backtrace_setup);
-#endif
#endif
static void __lockup_detector_cleanup(void);
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[patch V2 00/29] lockup_detector: Cure hotplug deadlocks and replace duct tape Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 21:50 +0200
[patch V2 14/29] lockup_detector: Split out cpumask write function Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 21:50 +0200
[tip:core/urgent] watchdog/core: Split out cpumask write function tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 05/29] lockup_detector: Remove broken suspend/resume interfaces Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 21:50 +0200
[tip:core/urgent] watchdog/core: Remove broken suspend/resume interfaces tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 12:50 +0200
[patch V2 16/29] lockup_detector: Create new thread handling infrastructure Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 21:50 +0200
[tip:core/urgent] watchdog/core: Create new thread handling infrastructure tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 01/29] hardlockup_detector: Provide interface to stop/restart perf events Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 21:50 +0200
[tip:core/urgent] watchdog/hardlockup: Provide interface to stop/restart perf events tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2017-09-14 12:50 +0200
[patch V2 26/29] lockup_detector/perf: Implement CPU enable replacement Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/hardlockup/perf: Implement CPU enable replacement tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 06/29] lockup_detector: Rework cpu hotplug locking Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/core: Rework CPU hotplug locking tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 12:50 +0200
[patch V2 28/29] lockup_detector/perf: Simplify deferred event destroy Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/hardlockup/perf: Simplify deferred event destroy tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 04/29] parisc: Use lockup_detector_stop() Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
Re: [patch V2 04/29] parisc: Use lockup_detector_stop() Helge Deller <deller@gmx.de> - 2017-09-14 11:10 +0200
Re: [patch V2 04/29] parisc: Use lockup_detector_stop() Don Zickus <dzickus@redhat.com> - 2017-09-14 15:50 +0200
[tip:core/urgent] parisc, watchdog/core: Use lockup_detector_stop() tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 12:50 +0200
[patch V2 17/29] lockup_detector: Get rid of the thread teardown/setup dance Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/core: Get rid of the thread teardown/setup dance tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 03/29] lockup_detector: Provide interface to stop from poweroff() Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/core: Provide interface to stop from poweroff() tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 12:50 +0200
[patch V2 10/29] lockup_detector/perf: Prevent cpu hotplug deadlock Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/hardlockup/perf: Prevent CPU hotplug deadlock tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 12:50 +0200
[patch V2 13/29] lockup_detector: Cleanup the ifdef maze Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/core: Clean up the #ifdef maze tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 29/29] lockup_detector: Cleanup hotplug locking mess Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/hardlockup: Clean up hotplug locking mess tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 09/29] lockup_detector/perf: Remove broken self disable on failure Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/hardlockup/perf: Remove broken self disable on failure tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 12:50 +0200
[patch V2 08/29] lockup_detector: Mark hardlockup_detector_disable() __init Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/core: Mark hardlockup_detector_disable() __init tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 12:50 +0200
[patch V2 18/29] lockup_detector: Further simplify sysctl handling Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/core: Further simplify sysctl handling tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 12/29] lockup_detector: Cleanup stub functions Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/core: Clean up stub functions tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 15/29] smpboot/threads: Avoid runtime allocation Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] smpboot/threads, watchdog/core: Avoid runtime allocation tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 20/29] lockup_detector/sysctl: Get rid of the ifdeffery Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/sysctl: Get rid of the #ifdeffery tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 27/29] lockup_detector: Use new perf CPU enable mechanism Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/hardlockup/perf: Use new perf CPU enable mechanism tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 24/29] lockup_detector/perf: Implement init time perf validation Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/hardlockup/perf: Implement init time perf validation tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 19/29] lockup_detector: Cleanup header mess Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/core: Clean up header mess tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 22/29] lockup_detector: Make watchdog_nmi_reconfigure() two stage Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/core, powerpc: Make watchdog_nmi_reconfigure() two stage tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 25/29] lockup_detector: Implement init time detection of perf Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
Re: [patch V2 25/29] lockup_detector: Implement init time detection of perf Don Zickus <dzickus@redhat.com> - 2017-09-13 20:10 +0200
Re: [patch V2 25/29] lockup_detector: Implement init time detection of perf Thomas Gleixner <tglx@linutronix.de> - 2017-09-13 20:10 +0200
Re: [patch V2 25/29] lockup_detector: Implement init time detection of perf Ingo Molnar <mingo@kernel.org> - 2017-09-14 07:30 +0200
[tip:core/urgent] watchdog/hardlockup/perf: Implement init time detection of perf tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
[patch V2 23/29] lockup_detector: Get rid of the racy update loop Thomas Gleixner <tglx@linutronix.de> - 2017-09-12 22:00 +0200
[tip:core/urgent] watchdog/core: Get rid of the racy update loop tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-09-14 13:00 +0200
Re: [patch V2 00/29] lockup_detector: Cure hotplug deadlocks and replace duct tape Don Zickus <dzickus@redhat.com> - 2017-09-13 20:10 +0200
Re: [patch V2 00/29] lockup_detector: Cure hotplug deadlocks and replace duct tape Ingo Molnar <mingo@kernel.org> - 2017-09-14 07:30 +0200
Re: [patch V2 00/29] lockup_detector: Cure hotplug deadlocks and replace duct tape Thomas Gleixner <tglx@linutronix.de> - 2017-09-14 10:20 +0200
csiph-web