[PATCH v6 13/13] riscv: Add qspinlock support
kernel test robot
lkp at intel.com
Mon Nov 4 01:04:10 PST 2024
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 at intel.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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