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Merge tag 'timers-urgent-2021-11-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull timer fix from Thomas Gleixner:
 "A single fix for POSIX CPU timers to address a problem where POSIX CPU
  timer delivery stops working for a new child task because
  copy_process() copies state information which is only valid for the
  parent task"

* tag 'timers-urgent-2021-11-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  posix-cpu-timers: Clear task::posix_cputimers_work in copy_process()
This commit is contained in:
Linus Torvalds
2021-11-14 10:43:38 -08:00
parent c36e33e2f4 ca7752caea
commit 622c72b651
3 changed files with 20 additions and 2 deletions
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2
include/linux/posix-timers.h
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@@ -184,8 +184,10 @@ static inline void posix_cputimers_group_init(struct posix_cputimers *pct,
#endif
#ifdef CONFIG_POSIX_CPU_TIMERS_TASK_WORK
void clear_posix_cputimers_work(struct task_struct *p);
void posix_cputimers_init_work(void);
#else
static inline void clear_posix_cputimers_work(struct task_struct *p) { }
static inline void posix_cputimers_init_work(void) { }
#endif