diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-02-01 10:47:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-02-01 10:47:21 -0800 |
| commit | c00a8791646a226b77d24980ffad0c5e8e268b07 (patch) | |
| tree | 68a0333e0c5fe15ee02375fc54b2571e71862538 /include | |
| parent | e53ada651abea14481336091fbe2428ff05a8eee (diff) | |
| parent | 76ed27608f7dd235b727ebbb12163438c2fbb617 (diff) | |
Merge tag 'perf-urgent-2026-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf events fix from Ingo Molnar:
"Fix a race in the user-callchains code"
* tag 'perf-urgent-2026-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: sched: Fix perf crash with new is_user_task() helper
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/sched.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index da0133524d08..5f00b5ed0f3b 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1776,6 +1776,11 @@ static __always_inline bool is_percpu_thread(void) (current->nr_cpus_allowed == 1); } +static __always_inline bool is_user_task(struct task_struct *task) +{ + return task->mm && !(task->flags & (PF_KTHREAD | PF_USER_WORKER)); +} + /* Per-process atomic flags. */ #define PFA_NO_NEW_PRIVS 0 /* May not gain new privileges. */ #define PFA_SPREAD_PAGE 1 /* Spread page cache over cpuset */ |