diff options
| author | Dr. David Alan Gilbert <linux@treblig.org> | 2025-06-23 01:30:49 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2025-06-23 08:07:06 -1000 |
| commit | fc2898ea793a48bc4b74b61cde2d8656f20efdf4 (patch) | |
| tree | a164bc158bb6c8c78a91b713ceffd5a2396e91d2 | |
| parent | f11113d01306b2d9cec0934f606d1b81b94260c5 (diff) | |
workqueue: Remove unused work_on_cpu_safe
The last use of the work_on_cpu_safe() macro was removed recently by
commit 9cda46babdfe ("crypto: n2 - remove Niagara2 SPU driver")
Remove it, and the work_on_cpu_safe_key() function it calls.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | include/linux/workqueue.h | 13 | ||||
| -rw-r--r-- | kernel/workqueue.c | 25 |
2 files changed, 0 insertions, 38 deletions
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 83d158bb2791..45d5dd470ff6 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -847,19 +847,6 @@ long work_on_cpu_key(int cpu, long (*fn)(void *), work_on_cpu_key(_cpu, _fn, _arg, &__key); \ }) -long work_on_cpu_safe_key(int cpu, long (*fn)(void *), - void *arg, struct lock_class_key *key); - -/* - * A new key is defined for each caller to make sure the work - * associated with the function doesn't share its locking class. - */ -#define work_on_cpu_safe(_cpu, _fn, _arg) \ -({ \ - static struct lock_class_key __key; \ - \ - work_on_cpu_safe_key(_cpu, _fn, _arg, &__key); \ -}) #endif /* CONFIG_SMP */ #ifdef CONFIG_FREEZER diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 086452e339c4..12c3080332bd 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -6771,31 +6771,6 @@ long work_on_cpu_key(int cpu, long (*fn)(void *), return wfc.ret; } EXPORT_SYMBOL_GPL(work_on_cpu_key); - -/** - * work_on_cpu_safe_key - run a function in thread context on a particular cpu - * @cpu: the cpu to run on - * @fn: the function to run - * @arg: the function argument - * @key: The lock class key for lock debugging purposes - * - * Disables CPU hotplug and calls work_on_cpu(). The caller must not hold - * any locks which would prevent @fn from completing. - * - * Return: The value @fn returns. - */ -long work_on_cpu_safe_key(int cpu, long (*fn)(void *), - void *arg, struct lock_class_key *key) -{ - long ret = -ENODEV; - - cpus_read_lock(); - if (cpu_online(cpu)) - ret = work_on_cpu_key(cpu, fn, arg, key); - cpus_read_unlock(); - return ret; -} -EXPORT_SYMBOL_GPL(work_on_cpu_safe_key); #endif /* CONFIG_SMP */ #ifdef CONFIG_FREEZER |