From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Dan Carpenter <error27@gmail.com>
Subject: [tip:locking/core 11/43] lib/test_context-analysis.c:90 test_raw_spinlock_trylock_extra() warn: mixing irq and irqsave
Date: Fri, 12 Jun 2026 10:46:12 +0800 [thread overview]
Message-ID: <202606121053.UIaYGcgP-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
CC: x86@kernel.org
TO: Marco Elver <elver@google.com>
CC: Peter Zijlstra <peterz@infradead.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core
head: a837dd95e841586c3a6bbe41c41843b392a1b725
commit: f16a802d402d735a55731f8c94952b3bbb5ddfe8 [11/43] locking/rwlock, spinlock: Support Clang's context analysis
:::::: branch date: 3 days ago
:::::: commit date: 5 months ago
config: csky-randconfig-r072-20260611 (https://download.01.org/0day-ci/archive/20260612/202606121053.UIaYGcgP-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 14.3.0
smatch: v0.5.0-9185-gbcc58b9c
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>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202606121053.UIaYGcgP-lkp@intel.com/
New smatch warnings:
lib/test_context-analysis.c:90 test_raw_spinlock_trylock_extra() warn: mixing irq and irqsave
include/linux/spinlock.h:604 class_spinlock_try_constructor() warn: passing zero to 'ERR_PTR'
Old smatch warnings:
include/linux/spinlock.h:556 class_raw_spinlock_try_constructor() warn: passing zero to 'ERR_PTR'
lib/test_context-analysis.c:114 test_spinlock_trylock_extra() warn: mixing irq and irqsave
vim +90 lib/test_context-analysis.c
f16a802d402d73 Marco Elver 2025-12-19 74
f16a802d402d73 Marco Elver 2025-12-19 75 TEST_SPINLOCK_COMMON(raw_spinlock,
f16a802d402d73 Marco Elver 2025-12-19 76 raw_spinlock_t,
f16a802d402d73 Marco Elver 2025-12-19 77 raw_spin_lock_init,
f16a802d402d73 Marco Elver 2025-12-19 78 raw_spin_lock,
f16a802d402d73 Marco Elver 2025-12-19 79 raw_spin_unlock,
f16a802d402d73 Marco Elver 2025-12-19 80 raw_spin_trylock,
f16a802d402d73 Marco Elver 2025-12-19 81 TEST_OP_RW);
f16a802d402d73 Marco Elver 2025-12-19 82 static void __used test_raw_spinlock_trylock_extra(struct test_raw_spinlock_data *d)
f16a802d402d73 Marco Elver 2025-12-19 83 {
f16a802d402d73 Marco Elver 2025-12-19 84 unsigned long flags;
f16a802d402d73 Marco Elver 2025-12-19 85
f16a802d402d73 Marco Elver 2025-12-19 86 if (raw_spin_trylock_irq(&d->lock)) {
f16a802d402d73 Marco Elver 2025-12-19 87 d->counter++;
f16a802d402d73 Marco Elver 2025-12-19 88 raw_spin_unlock_irq(&d->lock);
f16a802d402d73 Marco Elver 2025-12-19 89 }
f16a802d402d73 Marco Elver 2025-12-19 @90 if (raw_spin_trylock_irqsave(&d->lock, flags)) {
f16a802d402d73 Marco Elver 2025-12-19 91 d->counter++;
f16a802d402d73 Marco Elver 2025-12-19 92 raw_spin_unlock_irqrestore(&d->lock, flags);
f16a802d402d73 Marco Elver 2025-12-19 93 }
f16a802d402d73 Marco Elver 2025-12-19 94 scoped_cond_guard(raw_spinlock_try, return, &d->lock) {
f16a802d402d73 Marco Elver 2025-12-19 95 d->counter++;
f16a802d402d73 Marco Elver 2025-12-19 96 }
f16a802d402d73 Marco Elver 2025-12-19 97 }
f16a802d402d73 Marco Elver 2025-12-19 98
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-06-12 2:47 UTC|newest]
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