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| author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2025-08-07 09:55:19 +0200 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2025-08-07 09:55:19 +0200 |
| commit | 0074281bb6316108e0cff094bd4db78ab3eee236 (patch) | |
| tree | 9b5eeb12eed9fd2a8aa329043da7f5150ceb938c /kernel/kthread.c | |
| parent | gpio: mlxbf2: use platform_get_irq_optional() (diff) | |
| parent | Merge tag 'input-for-v6.17-rc0' of git://git.kernel.org/pub/scm/linux/kernel/... (diff) | |
| download | linux-0074281bb6316108e0cff094bd4db78ab3eee236.tar.gz linux-0074281bb6316108e0cff094bd4db78ab3eee236.zip | |
Merge commit '6e64f4580381e32c06ee146ca807c555b8f73e24' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into gpio/for-next
Diffstat (limited to 'kernel/kthread.c')
| -rw-r--r-- | kernel/kthread.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/kernel/kthread.c b/kernel/kthread.c index 85fc068f0083..0e98b228a8ef 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -88,13 +88,12 @@ static inline struct kthread *to_kthread(struct task_struct *k) /* * Variant of to_kthread() that doesn't assume @p is a kthread. * - * Per construction; when: + * When "(p->flags & PF_KTHREAD)" is set the task is a kthread and will + * always remain a kthread. For kthreads p->worker_private always + * points to a struct kthread. For tasks that are not kthreads + * p->worker_private is used to point to other things. * - * (p->flags & PF_KTHREAD) && p->worker_private - * - * the task is both a kthread and struct kthread is persistent. However - * PF_KTHREAD on it's own is not, kernel_thread() can exec() (See umh.c and - * begin_new_exec()). + * Return NULL for any task that is not a kthread. */ static inline struct kthread *__to_kthread(struct task_struct *p) { |