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task_work: s/task_work_cancel()/task_work_cancel_func()/

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A proper task_work_cancel() API that actually cancels a callback and not
*any* callback pointing to a given function is going to be needed for
perf events event freeing. Do the appropriate rename to prepare for
that.

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240621091601.18227-2-frederic@kernel.org
This commit is contained in:
Frederic Weisbecker
2024-06-21 11:15:58 +02:00
committed by Peter Zijlstra
parent 57e11990f4
commit 68cbd415dd
4 changed files with 8 additions and 8 deletions
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kernel/task_work.c
+5 -5
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@@ -120,9 +120,9 @@ static bool task_work_func_match(struct callback_head *cb, void *data)
}
/**
* task_work_cancel - cancel a pending work added by task_work_add()
* @task: the task which should execute the work
* @func: identifies the work to remove
* task_work_cancel_func - cancel a pending work matching a function added by task_work_add()
* @task: the task which should execute the func's work
* @func: identifies the func to match with a work to remove
*
* Find the last queued pending work with ->func == @func and remove
* it from queue.
@@ -131,7 +131,7 @@ static bool task_work_func_match(struct callback_head *cb, void *data)
* The found work or NULL if not found.
*/
struct callback_head *
task_work_cancel(struct task_struct *task, task_work_func_t func)
task_work_cancel_func(struct task_struct *task, task_work_func_t func)
{
return task_work_cancel_match(task, task_work_func_match, func);
}
@@ -168,7 +168,7 @@ void task_work_run(void)
if (!work)
break;
/*
* Synchronize with task_work_cancel(). It can not remove
* Synchronize with task_work_cancel_match(). It can not remove
* the first entry == work, cmpxchg(task_works) must fail.
* But it can remove another entry from the ->next list.
*/