From e3e12f52b214121840b44c91de5b3e5af5d3eb84 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 06 Nov 2023 03:04:41 +0000
Subject: [PATCH] rk3568 rt init
---
kernel/block/blk-core.c | 15 ++++++++++++++-
1 files changed, 14 insertions(+), 1 deletions(-)
diff --git a/kernel/block/blk-core.c b/kernel/block/blk-core.c
index a33775c..0c0eeb3 100644
--- a/kernel/block/blk-core.c
+++ b/kernel/block/blk-core.c
@@ -191,6 +191,9 @@
INIT_LIST_HEAD(&rq->queuelist);
INIT_LIST_HEAD(&rq->timeout_list);
+#ifdef CONFIG_PREEMPT_RT_FULL
+ INIT_WORK(&rq->work, __blk_mq_complete_request_remote_work);
+#endif
rq->cpu = -1;
rq->q = q;
rq->__sector = (sector_t) -1;
@@ -972,12 +975,21 @@
percpu_ref_put(&q->q_usage_counter);
}
+static void blk_queue_usage_counter_release_wrk(struct work_struct *work)
+{
+ struct request_queue *q =
+ container_of(work, struct request_queue, mq_pcpu_wake);
+
+ wake_up_all(&q->mq_freeze_wq);
+}
+
static void blk_queue_usage_counter_release(struct percpu_ref *ref)
{
struct request_queue *q =
container_of(ref, struct request_queue, q_usage_counter);
- wake_up_all(&q->mq_freeze_wq);
+ if (wq_has_sleeper(&q->mq_freeze_wq))
+ schedule_work(&q->mq_pcpu_wake);
}
static void blk_rq_timed_out_timer(struct timer_list *t)
@@ -1076,6 +1088,7 @@
queue_flag_set_unlocked(QUEUE_FLAG_BYPASS, q);
init_waitqueue_head(&q->mq_freeze_wq);
+ INIT_WORK(&q->mq_pcpu_wake, blk_queue_usage_counter_release_wrk);
/*
* Init percpu_ref in atomic mode so that it's faster to shutdown.
--
Gitblit v1.6.2