Re: [PATCH v2 10/10] riscv: Add qspinlock support based on Zabha extension

[kernel test robot <lkp@intel.com>]

:::::: 
:::::: Manual check reason: "low confidence bisect report"
:::::: 

BCC: lkp@intel.com
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In-Reply-To: <20240626130347.520750-11-alexghiti@rivosinc.com>
References: <20240626130347.520750-11-alexghiti@rivosinc.com>
TO: Alexandre Ghiti <alexghiti@rivosinc.com>
TO: Jonathan Corbet <corbet@lwn.net>
TO: Paul Walmsley <paul.walmsley@sifive.com>
TO: Palmer Dabbelt <palmer@dabbelt.com>
TO: Albert Ou <aou@eecs.berkeley.edu>
TO: Andrea Parri <parri.andrea@gmail.com>
TO: Nathan Chancellor <nathan@kernel.org>
TO: Peter Zijlstra <peterz@infradead.org>
TO: Ingo Molnar <mingo@redhat.com>
TO: Will Deacon <will@kernel.org>
TO: Waiman Long <longman@redhat.com>
TO: Boqun Feng <boqun.feng@gmail.com>
TO: Arnd Bergmann <arnd@arndb.de>
TO: Leonardo Bras <leobras@redhat.com>
TO: Guo Ren <guoren@kernel.org>
TO: linux-doc@vger.kernel.org
TO: linux-kernel@vger.kernel.org
TO: linux-riscv@lists.infradead.org
TO: linux-arch@vger.kernel.org
CC: Alexandre Ghiti <alexghiti@rivosinc.com>

Hi Alexandre,

kernel test robot noticed the following build warnings:

[auto build test WARNING on soc/for-next]
[also build test WARNING on linus/master v6.10-rc5]
[cannot apply to arnd-asm-generic/master robh/for-next tip/locking/core next-20240626]
[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-Implement-cmpxchg32-64-using-Zacas/20240627-034946
base:   https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next
patch link:    https://lore.kernel.org/r/20240626130347.520750-11-alexghiti%40rivosinc.com
patch subject: [PATCH v2 10/10] riscv: Add qspinlock support based on Zabha extension
:::::: branch date: 11 hours ago
:::::: commit date: 11 hours ago
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)

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@intel.com>
| Closes: https://lore.kernel.org/r/202406271442.V29TPfzy-lkp@intel.com/

includecheck warnings: (new ones prefixed by >>)
>> arch/riscv/include/asm/spinlock.h: asm/ticket_spinlock.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/alternative.h>
    13	
    14	DECLARE_STATIC_KEY_TRUE(qspinlock_key);
    15	
    16	#define SPINLOCK_BASE_DECLARE(op, type, type_lock)			\
    17	static __always_inline type arch_spin_##op(type_lock lock)		\
    18	{									\
    19		if (static_branch_unlikely(&qspinlock_key))			\
    20			return queued_spin_##op(lock);				\
    21		return ticket_spin_##op(lock);					\
    22	}
    23	
    24	SPINLOCK_BASE_DECLARE(lock, void, arch_spinlock_t *)
    25	SPINLOCK_BASE_DECLARE(unlock, void, arch_spinlock_t *)
    26	SPINLOCK_BASE_DECLARE(is_locked, int, arch_spinlock_t *)
    27	SPINLOCK_BASE_DECLARE(is_contended, int, arch_spinlock_t *)
    28	SPINLOCK_BASE_DECLARE(trylock, bool, arch_spinlock_t *)
    29	SPINLOCK_BASE_DECLARE(value_unlocked, int, arch_spinlock_t)
    30	
    31	#else
    32	
  > 33	#include <asm/ticket_spinlock.h>
    34	

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