linux-kernel - Re: [PATCH v9 3/9] irq & spin_lock: Add counted interrupt disabling/enabling

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Message-ID: <202503020344.HCIfRKwM-lkp@intel.com>
Date: Sun, 2 Mar 2025 04:19:49 +0800
From: kernel test robot <lkp@...el.com>
To: Lyude Paul <lyude@...hat.com>, rust-for-linux@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>
Cc: oe-kbuild-all@...ts.linux.dev, Boqun Feng <boqun.feng@...il.com>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Juri Lelli <juri.lelli@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
	Valentin Schneider <vschneid@...hat.com>,
	Will Deacon <will@...nel.org>, Waiman Long <longman@...hat.com>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	David Woodhouse <dwmw@...zon.co.uk>, Arnd Bergmann <arnd@...db.de>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	NeilBrown <neilb@...e.de>, Zqiang <qiang.zhang1211@...il.com>,
	K Prateek Nayak <kprateek.nayak@....com>,
	Caleb Sander Mateos <csander@...estorage.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 3/9] irq & spin_lock: Add counted interrupt
 disabling/enabling

Hi Lyude,

kernel test robot noticed the following build errors:

[auto build test ERROR on 2014c95afecee3e76ca4a56956a936e23283f05b]

url:    https://github.com/intel-lab-lkp/linux/commits/Lyude-Paul/preempt-Introduce-HARDIRQ_DISABLE_BITS/20250228-062508
base:   2014c95afecee3e76ca4a56956a936e23283f05b
patch link:    https://lore.kernel.org/r/20250227221924.265259-4-lyude%40redhat.com
patch subject: [PATCH v9 3/9] irq & spin_lock: Add counted interrupt disabling/enabling
config: sparc-randconfig-001-20250302 (https://download.01.org/0day-ci/archive/20250302/202503020344.HCIfRKwM-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250302/202503020344.HCIfRKwM-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503020344.HCIfRKwM-lkp@intel.com/

All errors (new ones prefixed by >>):

   kernel/locking/spinlock.c: In function '_raw_spin_lock_irq_disable':
>> kernel/locking/spinlock.c:178:9: error: implicit declaration of function '__raw_spin_lock_irq_disable'; did you mean '_raw_spin_lock_irq_disable'? [-Wimplicit-function-declaration]
     178 |         __raw_spin_lock_irq_disable(lock);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
         |         _raw_spin_lock_irq_disable


vim +178 kernel/locking/spinlock.c

   174	
   175	#ifndef CONFIG_INLINE_SPIN_LOCK_IRQ
   176	noinline void __lockfunc _raw_spin_lock_irq_disable(raw_spinlock_t *lock)
   177	{
 > 178		__raw_spin_lock_irq_disable(lock);
   179	}
   180	EXPORT_SYMBOL_GPL(_raw_spin_lock_irq_disable);
   181	#endif
   182	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki