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Miscellaneous scheduler fixes: a reporting fix, a static symbol fix,

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and a kernel-doc fix.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2023-09-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Ingo Molnar:
 "Miscellaneous scheduler fixes: a reporting fix, a static symbol fix,
  and a kernel-doc fix"

* tag 'sched-urgent-2023-09-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/core: Report correct state for TASK_IDLE | TASK_FREEZABLE
  sched/fair: Make update_entity_lag() static
  sched/core: Add kernel-doc for set_cpus_allowed_ptr()
This commit is contained in:
Linus Torvalds 2023-09-02 08:49:08 -07:00
commit c39cbc5b60
2 changed files with 13 additions and 3 deletions
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14
include/linux/sched.h
View File

@ -1671,7 +1671,7 @@ static inline unsigned int __task_state_index(unsigned int tsk_state,
BUILD_BUG_ON_NOT_POWER_OF_2(TASK_REPORT_MAX);
if (tsk_state == TASK_IDLE)
if ((tsk_state & TASK_IDLE) == TASK_IDLE)
state = TASK_REPORT_IDLE;
/*
@ -1679,7 +1679,7 @@ static inline unsigned int __task_state_index(unsigned int tsk_state,
* to userspace, we can make this appear as if the task has gone through
* a regular rt_mutex_lock() call.
*/
if (tsk_state == TASK_RTLOCK_WAIT)
if (tsk_state & TASK_RTLOCK_WAIT)
state = TASK_UNINTERRUPTIBLE;
return fls(state);
@ -1858,7 +1858,17 @@ extern int task_can_attach(struct task_struct *p);
extern int dl_bw_alloc(int cpu, u64 dl_bw);
extern void dl_bw_free(int cpu, u64 dl_bw);
#ifdef CONFIG_SMP
/* do_set_cpus_allowed() - consider using set_cpus_allowed_ptr() instead */
extern void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask);
/**
* set_cpus_allowed_ptr - set CPU affinity mask of a task
* @p: the task
* @new_mask: CPU affinity mask
*
* Return: zero if successful, or a negative error code
*/
extern int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask);
extern int dup_user_cpus_ptr(struct task_struct *dst, struct task_struct *src, int node);
extern void release_user_cpus_ptr(struct task_struct *p);

2
kernel/sched/fair.c
View File

@ -699,7 +699,7 @@ u64 avg_vruntime(struct cfs_rq *cfs_rq)
*
* XXX could add max_slice to the augmented data to track this.
*/
void update_entity_lag(struct cfs_rq *cfs_rq, struct sched_entity *se)
static void update_entity_lag(struct cfs_rq *cfs_rq, struct sched_entity *se)
{
s64 lag, limit;