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authorLinus Torvalds <torvalds@linux-foundation.org>2022-01-23 16:35:27 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2022-01-23 16:35:27 +0100
commit10c64a0f280636652ec63bb1ddd34b6c8e2f5584 (patch)
tree00a69b7b5b5ffc4812c914982f4b82c4b0382d7d /include
parentMerge tag 'perf_urgent_for_v5.17_rc2' of git://git.kernel.org/pub/scm/linux/k... (diff)
parentkernel/sched: Remove dl_boosted flag comment (diff)
downloadlinux-10c64a0f280636652ec63bb1ddd34b6c8e2f5584.tar.xz
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Merge tag 'sched_urgent_for_v5.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Borislav Petkov: "A bunch of fixes: forced idle time accounting, utilization values propagation in the sched hierarchies and other minor cleanups and improvements" * tag 'sched_urgent_for_v5.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: kernel/sched: Remove dl_boosted flag comment sched: Avoid double preemption in __cond_resched_*lock*() sched/fair: Fix all kernel-doc warnings sched/core: Accounting forceidle time for all tasks except idle task sched/pelt: Relax the sync of load_sum with load_avg sched/pelt: Relax the sync of runnable_sum with runnable_avg sched/pelt: Continue to relax the sync of util_sum with util_avg sched/pelt: Relax the sync of util_sum with util_avg psi: Fix uaf issue when psi trigger is destroyed while being polled
Diffstat (limited to 'include')
-rw-r--r--include/linux/psi.h2
-rw-r--r--include/linux/psi_types.h3
-rw-r--r--include/linux/sched.h4
3 files changed, 1 insertions, 8 deletions
diff --git a/include/linux/psi.h b/include/linux/psi.h
index a70ca833c6d7..f8ce53bfdb2a 100644
--- a/include/linux/psi.h
+++ b/include/linux/psi.h
@@ -33,7 +33,7 @@ void cgroup_move_task(struct task_struct *p, struct css_set *to);
struct psi_trigger *psi_trigger_create(struct psi_group *group,
char *buf, size_t nbytes, enum psi_res res);
-void psi_trigger_replace(void **trigger_ptr, struct psi_trigger *t);
+void psi_trigger_destroy(struct psi_trigger *t);
__poll_t psi_trigger_poll(void **trigger_ptr, struct file *file,
poll_table *wait);
diff --git a/include/linux/psi_types.h b/include/linux/psi_types.h
index 516c0fe836fd..1a3cef26d129 100644
--- a/include/linux/psi_types.h
+++ b/include/linux/psi_types.h
@@ -141,9 +141,6 @@ struct psi_trigger {
* events to one per window
*/
u64 last_event_time;
-
- /* Refcounting to prevent premature destruction */
- struct kref refcount;
};
struct psi_group {
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 508b91d57470..f5b2be39a78c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -619,10 +619,6 @@ struct sched_dl_entity {
* task has to wait for a replenishment to be performed at the
* next firing of dl_timer.
*
- * @dl_boosted tells if we are boosted due to DI. If so we are
- * outside bandwidth enforcement mechanism (but only until we
- * exit the critical section);
- *
* @dl_yielded tells if task gave up the CPU before consuming
* all its available runtime during the last job.
*