[RESEND PATCH] kernel/watchdog: Fix watchdog_allowed_mask not used warning

Christophe Leroy christophe.leroy at csgroup.eu
Tue Nov 3 20:55:11 AEDT 2020



Le 03/11/2020 à 10:32, Santosh Sivaraj a écrit :
> Define watchdog_allowed_mask only when SOFTLOCKUP_DETECTOR is enabled.
> 
> Signed-off-by: Santosh Sivaraj <santosh at fossix.org>

I think maybe you should add a Fixes: tag (Towards https://github.com/linuxppc/linux/commit/7feeb9cd ?)

And copy Thomas (tglx)

Christophe

> ---
> 
> Original patch is here:
> https://lore.kernel.org/lkml/20190807014417.9418-1-santosh@fossix.org/
> 
> A similar patch was also sent by Balamuruhan and reviewed by Petr.
> https://lkml.org/lkml/2020/8/20/1030
> 
>   kernel/watchdog.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/watchdog.c b/kernel/watchdog.c
> index 5abb5b22ad13..71109065bd8e 100644
> --- a/kernel/watchdog.c
> +++ b/kernel/watchdog.c
> @@ -44,8 +44,6 @@ int __read_mostly soft_watchdog_user_enabled = 1;
>   int __read_mostly watchdog_thresh = 10;
>   static int __read_mostly nmi_watchdog_available;
>   
> -static struct cpumask watchdog_allowed_mask __read_mostly;
> -
>   struct cpumask watchdog_cpumask __read_mostly;
>   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;
>   #endif
>   
> +static struct cpumask watchdog_allowed_mask __read_mostly;
> +
>   /* Global variables, exported for sysctl */
>   unsigned int __read_mostly softlockup_panic =
>   			CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE;
> 


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