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authorLinus Torvalds2023-09-02 08:49:08 -0700
committerLinus Torvalds2023-09-02 08:49:08 -0700
commitc39cbc5b604c7282f210c4a3a743c9f026ed8002 (patch)
tree9aa2266ab63f475a005035fde88c9778e099ccfb /include/linux
parentee40d543e97d23d3392d8fb1ec9972eb4e9c7611 (diff)
parent0d6b35283bcf1a379cf20066544af8e6a6b16b46 (diff)
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()
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/sched.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 177b3f3676ef..77f01ac385f7 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -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);