linux-kernel - Re: [PATCH v6 13/13] riscv: Add qspinlock support

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Message-ID: <202411041609.gxjI2dsw-lkp@intel.com>
Date: Mon, 4 Nov 2024 17:04:10 +0800
From: kernel test robot <lkp@...el.com>
To: Alexandre Ghiti <alexghiti@...osinc.com>,
	Jonathan Corbet <corbet@....net>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>, Conor Dooley <conor@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Andrea Parri <parri.andrea@...il.com>,
	Nathan Chancellor <nathan@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
	Waiman Long <longman@...hat.com>, Boqun Feng <boqun.feng@...il.com>,
	Arnd Bergmann <arnd@...db.de>, Leonardo Bras <leobras@...hat.com>,
	Guo Ren <guoren@...nel.org>, linux-doc@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org, linux-arch@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Alexandre Ghiti <alexghiti@...osinc.com>
Subject: Re: [PATCH v6 13/13] riscv: Add qspinlock support

Hi Alexandre,

kernel test robot noticed the following build warnings:

[auto build test WARNING on arnd-asm-generic/master]
[also build test WARNING on robh/for-next tip/locking/core linus/master v6.12-rc6]
[cannot apply to next-20241101]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Alexandre-Ghiti/riscv-Move-cpufeature-h-macros-into-their-own-header/20241103-230614
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master
patch link:    https://lore.kernel.org/r/20241103145153.105097-14-alexghiti%40rivosinc.com
patch subject: [PATCH v6 13/13] riscv: Add qspinlock support
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)

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/202411041609.gxjI2dsw-lkp@intel.com/

includecheck warnings: (new ones prefixed by >>)
>> arch/riscv/include/asm/spinlock.h: asm/ticket_spinlock.h is included more than once.
>> arch/riscv/include/asm/spinlock.h: asm/qspinlock.h is included more than once.

vim +10 arch/riscv/include/asm/spinlock.h

     8	
     9	#define __no_arch_spinlock_redefine
  > 10	#include <asm/ticket_spinlock.h>
    11	#include <asm/qspinlock.h>
    12	#include <asm/jump_label.h>
    13	
    14	/*
    15	 * TODO: Use an alternative instead of a static key when we are able to parse
    16	 * the extensions string earlier in the boot process.
    17	 */
    18	DECLARE_STATIC_KEY_TRUE(qspinlock_key);
    19	
    20	#define SPINLOCK_BASE_DECLARE(op, type, type_lock)			\
    21	static __always_inline type arch_spin_##op(type_lock lock)		\
    22	{									\
    23		if (static_branch_unlikely(&qspinlock_key))			\
    24			return queued_spin_##op(lock);				\
    25		return ticket_spin_##op(lock);					\
    26	}
    27	
    28	SPINLOCK_BASE_DECLARE(lock, void, arch_spinlock_t *)
    29	SPINLOCK_BASE_DECLARE(unlock, void, arch_spinlock_t *)
    30	SPINLOCK_BASE_DECLARE(is_locked, int, arch_spinlock_t *)
    31	SPINLOCK_BASE_DECLARE(is_contended, int, arch_spinlock_t *)
    32	SPINLOCK_BASE_DECLARE(trylock, bool, arch_spinlock_t *)
    33	SPINLOCK_BASE_DECLARE(value_unlocked, int, arch_spinlock_t)
    34	
    35	#elif defined(CONFIG_RISCV_QUEUED_SPINLOCKS)
    36	
    37	#include <asm/qspinlock.h>
    38	
    39	#else
    40	
  > 41	#include <asm/ticket_spinlock.h>
    42	

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