linux-kernel - [linux-next]Build Failure: kernel/watchdog.c:936:2: error: too many arguments

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Message-ID: <339e2b3e-c7ee-418f-a84c-9c6360dc570b@linux.ibm.com>
Date: Sat, 26 Apr 2025 20:39:26 +0530
From: Venkat Rao Bagalkote <venkat88@...ux.ibm.com>
To: Stephen Rothwell <sfr@...b.auug.org.au>,
        Madhavan Srinivasan <maddy@...ux.ibm.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        luogengkun@...weicloud.com, dianders@...omium.org,
        joel.granados@...nel.org, song@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [linux-next]Build Failure: kernel/watchdog.c:936:2: error: too many
 arguments

Hello,


I am observing below build failure on IBM Power8 server with 
linux-next-20250424 repo.


This issue seems to be introduced by the below commit. After reverting 
the below commit, kernel build is successful.


Bad Commit: 6b07f9a0fa4126a2ded0329baa8fe26863db62ef : watchdog: fix 
watchdog may detect false positive of softlockup


Note: To hit this issue, one should first resolve this [1] 
<https://lore.kernel.org/all/e8bf676e-7bf0-4896-b104-ac75e1b22d2e@linux.ibm.com/>


Repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git

Branch: master

GCC: 8.5.0 20210514

ldd (GNU libc) 2.28

Attached is the .config file.


Errors:

kernel/watchdog.c: In function 'lockup_detector_reconfigure':
kernel/watchdog.c:936:2: error: too many arguments to function 
'__lockup_detector_reconfigure'
   __lockup_detector_reconfigure(false);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/watchdog.c:926:13: note: declared here
  static void __lockup_detector_reconfigure(void)
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/watchdog.c: In function 'lockup_detector_setup':
kernel/watchdog.c:940:2: error: too many arguments to function 
'__lockup_detector_reconfigure'
   __lockup_detector_reconfigure(false);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/watchdog.c:926:13: note: declared here
  static void __lockup_detector_reconfigure(void)
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/watchdog.c: In function 'proc_watchdog_update':
kernel/watchdog.c:962:2: error: too many arguments to function 
'__lockup_detector_reconfigure'
   __lockup_detector_reconfigure(thresh_changed);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/watchdog.c:926:13: note: declared here
  static void __lockup_detector_reconfigure(void)
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~


If you happen to fix this, please add below tag.


Reported-by: Venkat Rao Bagalkote <venkat88@...ux.ibm.com>


Regards,

Venkat.

View attachment "Watchdog_Error.config" of type "text/plain" (192816 bytes)