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authorPeter Zijlstra <peterz@infradead.org>2022-09-29 12:20:50 +0200
committerPeter Zijlstra <peterz@infradead.org>2022-09-29 12:20:50 +0200
commita1ebcd59430236b336428bbf8e1da16fb87d56e4 (patch)
tree126b999f1eae9b7ecf1045eec425a6dbcdcb4351 /kernel/sched
parentcce6a2d7e0e494c453ad73e1e78bd50684f20cca (diff)
parentf76349cf41451c5c42a99f18a9163377e4b364ff (diff)
Merge branch 'v6.0-rc7'
Merge upstream to get RAPTORLAKE_S Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/debug.c2
-rw-r--r--kernel/sched/psi.c10
-rw-r--r--kernel/sched/wait_bit.c2
3 files changed, 5 insertions, 9 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index bb3d63bdf4ae..667876da8382 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -416,7 +416,7 @@ void update_sched_domain_debugfs(void)
char buf[32];
snprintf(buf, sizeof(buf), "cpu%d", cpu);
- debugfs_remove(debugfs_lookup(buf, sd_dentry));
+ debugfs_lookup_and_remove(buf, sd_dentry);
d_cpu = debugfs_create_dir(buf, sd_dentry);
i = 0;
diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index ec66b40bdd40..ecb4b4ff4ce0 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -190,12 +190,8 @@ static void group_init(struct psi_group *group)
/* Init trigger-related members */
mutex_init(&group->trigger_lock);
INIT_LIST_HEAD(&group->triggers);
- memset(group->nr_triggers, 0, sizeof(group->nr_triggers));
- group->poll_states = 0;
group->poll_min_period = U32_MAX;
- memset(group->polling_total, 0, sizeof(group->polling_total));
group->polling_next_update = ULLONG_MAX;
- group->polling_until = 0;
init_waitqueue_head(&group->poll_wait);
timer_setup(&group->poll_timer, poll_timer_fn, 0);
rcu_assign_pointer(group->poll_task, NULL);
@@ -957,7 +953,7 @@ int psi_cgroup_alloc(struct cgroup *cgroup)
if (static_branch_likely(&psi_disabled))
return 0;
- cgroup->psi = kmalloc(sizeof(struct psi_group), GFP_KERNEL);
+ cgroup->psi = kzalloc(sizeof(struct psi_group), GFP_KERNEL);
if (!cgroup->psi)
return -ENOMEM;
@@ -1091,7 +1087,7 @@ int psi_show(struct seq_file *m, struct psi_group *group, enum psi_res res)
}
struct psi_trigger *psi_trigger_create(struct psi_group *group,
- char *buf, size_t nbytes, enum psi_res res)
+ char *buf, enum psi_res res)
{
struct psi_trigger *t;
enum psi_states state;
@@ -1320,7 +1316,7 @@ static ssize_t psi_write(struct file *file, const char __user *user_buf,
return -EBUSY;
}
- new = psi_trigger_create(&psi_system, buf, nbytes, res);
+ new = psi_trigger_create(&psi_system, buf, res);
if (IS_ERR(new)) {
mutex_unlock(&seq->lock);
return PTR_ERR(new);
diff --git a/kernel/sched/wait_bit.c b/kernel/sched/wait_bit.c
index d4788f810b55..0b1cd985dc27 100644
--- a/kernel/sched/wait_bit.c
+++ b/kernel/sched/wait_bit.c
@@ -47,7 +47,7 @@ __wait_on_bit(struct wait_queue_head *wq_head, struct wait_bit_queue_entry *wbq_
prepare_to_wait(wq_head, &wbq_entry->wq_entry, mode);
if (test_bit(wbq_entry->key.bit_nr, wbq_entry->key.flags))
ret = (*action)(&wbq_entry->key, mode);
- } while (test_bit(wbq_entry->key.bit_nr, wbq_entry->key.flags) && !ret);
+ } while (test_bit_acquire(wbq_entry->key.bit_nr, wbq_entry->key.flags) && !ret);
finish_wait(wq_head, &wbq_entry->wq_entry);