linux-kernel - Re: [PATCH] powerpc/watchdog: add support for hardlockup_sys

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Message-ID: <aV-iR87kfdZsSZT_@pathway.suse.cz>
Date: Thu, 8 Jan 2026 13:25:43 +0100
From: Petr Mladek <pmladek@...e.com>
To: Feng Tang <feng.tang@...ux.alibaba.com>
Cc: Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Nicholas Piggin <npiggin@...il.com>, chleroy@...nel.org,
	lkp@...el.com, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/watchdog: add support for hardlockup_sys_info
 sysctl

On Wed 2025-12-31 16:03:09, Feng Tang wrote:
> Commit a9af76a78760 ("watchdog: add sys_info sysctls to dump sys info
> on system lockup") adds 'hardlock_sys_info' systcl knob for general
> kernel watchdog to control what kinds of system debug info to be dumped
> on hardlockup.
> 
> Add similar support in powerpc watchdog code to make the sysctl knob
> more general, which also fixes a compiling warning in general watchdog
> code reported by 0day bot.
> 
> Fixes: a9af76a78760 ("watchdog: add sys_info sysctls to dump sys info on system lockup")
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202512030920.NFKtekA7-lkp@intel.com/
> Suggested-by: Petr Mladek <pmladek@...e.com>
> Signed-off-by: Feng Tang <feng.tang@...ux.alibaba.com>

I haven't tested the patch. But it seems that it does what it says.
Feel free to use:

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr