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kernel/watchdog: fix watchdog_allowed_mask not used warning

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Define watchdog_allowed_mask only when SOFTLOCKUP_DETECTOR is enabled.

Fixes: 7feeb9cd4f ("watchdog/sysctl: Clean up sysctl variable name space")
Signed-off-by: Santosh Sivaraj <santosh@fossix.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20201106015025.1281561-1-santosh@fossix.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Santosh Sivaraj
2020-11-13 22:52:10 -08:00
committed by Linus Torvalds
parent df5b0ab3e0
commit e7e046155a
1 changed files with 2 additions and 2 deletions
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4
kernel/watchdog.c
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@@ -44,8 +44,6 @@ int __read_mostly soft_watchdog_user_enabled = 1;
int __read_mostly watchdog_thresh = 10; int __read_mostly watchdog_thresh = 10;
static int __read_mostly nmi_watchdog_available; static int __read_mostly nmi_watchdog_available;
static struct cpumask watchdog_allowed_mask __read_mostly;
struct cpumask watchdog_cpumask __read_mostly; struct cpumask watchdog_cpumask __read_mostly;
unsigned long *watchdog_cpumask_bits = cpumask_bits(&watchdog_cpumask); unsigned long *watchdog_cpumask_bits = cpumask_bits(&watchdog_cpumask);
@@ -162,6 +160,8 @@ static void lockup_detector_update_enable(void)
int __read_mostly sysctl_softlockup_all_cpu_backtrace; int __read_mostly sysctl_softlockup_all_cpu_backtrace;
#endif #endif
static struct cpumask watchdog_allowed_mask __read_mostly;
/* Global variables, exported for sysctl */ /* Global variables, exported for sysctl */
unsigned int __read_mostly softlockup_panic = unsigned int __read_mostly softlockup_panic =
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE; CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE;