linux-kernel - Re: [PATCH] watchdog: Fix build error when CONFIG_SOFTLOCKUP

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Message-ID: <87sfmmaipn.fsf@mpe.ellerman.id.au>
Date:   Wed, 27 Jul 2022 21:38:44 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Laurent Dufour <ldufour@...ux.ibm.com>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-next@...r.kernel.org, Sachin Sant <sachinp@...ux.ibm.com>
Subject: Re: [PATCH] watchdog: Fix build error when
 CONFIG_SOFTLOCKUP_DETECTOR is not set

Laurent Dufour <ldufour@...ux.ibm.com> writes:
> Sachin reported the following build error when CONFIG_SOFTLOCKUP_DETECTOR
> is not set:
>
> kernel/watchdog.c:597:20: error: static declaration of 'lockup_detector_reconfigure' follows non-static declaration
>  static inline void lockup_detector_reconfigure(void)
>                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from kernel/watchdog.c:17:
> ./include/linux/nmi.h:125:6: note: previous declaration of 'lockup_detector_reconfigure' was here
>  void lockup_detector_reconfigure(void);
>       ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> The definition of lockup_detector_reconfigure should be exported even in
> that case, and __lockup_detector_reconfigure should remain static.
>
> Fixes: 24a1260705b7 ("watchdog: export lockup_detector_reconfigure")
> Reported-by: Sachin Sant <sachinp@...ux.ibm.com>
> Signed-off-by: Laurent Dufour <ldufour@...ux.ibm.com>
> ---
>  kernel/watchdog.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Thanks.

I'll squash that in to the original commit.

cheers