tmakin/tegra-linux-noble
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
BugLink: https://bugs.launchpad.net/bugs/2083196

commit 68cbd415dd4b9c5b9df69f0f091879e56bf5907a upstream.

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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Portia Stephens <portia.stephens@canonical.com>
Signed-off-by: Roxana Nicolescu <roxana.nicolescu@canonical.com>
This commit is contained in:
Frederic Weisbecker
2024-06-21 11:15:58 +02:00
committed by Mehmet Basaran
parent 3314cd6ee5
commit f653e123f4
4 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/task_work.h
+1 -1
View File
@@ -30,7 +30,7 @@ int task_work_add(struct task_struct *task, struct callback_head *twork,
struct callback_head *task_work_cancel_match(struct task_struct *task,
bool (*match)(struct callback_head *, void *data), void *data);
struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t);
struct callback_head *task_work_cancel_func(struct task_struct *, task_work_func_t);
void task_work_run(void);
static inline void exit_task_work(struct task_struct *task)
kernel/irq/manage.c
+1 -1
View File
@@ -1332,7 +1332,7 @@ static int irq_thread(void *data)
* synchronize_hardirq(). So neither IRQTF_RUNTHREAD nor the
* oneshot mask bit can be set.
*/
task_work_cancel(current, irq_thread_dtor);
task_work_cancel_func(current, irq_thread_dtor);
return 0;
}
kernel/task_work.c
+5 -5
View File
@@ -121,9 +121,9 @@ 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.
@@ -132,7 +132,7 @@ 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);
}
@@ -169,7 +169,7 @@ 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.
*/
security/keys/keyctl.c
+1 -1
View File
@@ -1693,7 +1693,7 @@ long keyctl_session_to_parent(void)
goto unlock;
/* cancel an already pending keyring replacement */
oldwork = task_work_cancel(parent, key_change_session_keyring);
oldwork = task_work_cancel_func(parent, key_change_session_keyring);
/* the replacement session keyring is applied just prior to userspace
* restarting */