From bff06d6020dea5a813cfe740c98706aa8ea244af Mon Sep 17 00:00:00 2001
From: Liujie Xie <xieliujie@oppo.com>
Date: Wed, 12 Jul 2023 15:40:52 +0800
Subject: [PATCH] ANDROID: vendor_hooks: Supplement the missing hook call
 point.

As a supplement to commit eed2741ae61d
("ANDROID: vendor_hook: add hooks to protect locking-tsk in cpu scheduler").
In rwsem read, we missed a lock-holding scenario, add it now.

Bug: 290868674

Change-Id: I718dd942b24b330a79283fc241dcbf47cc34c0c5
Signed-off-by: Liujie Xie <xieliujie@oppo.com>
---
 kernel/locking/rwsem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c
index 057c9e99251a..acd1fc78d059 100644
--- a/kernel/locking/rwsem.c
+++ b/kernel/locking/rwsem.c
@@ -1066,6 +1066,8 @@ queue:
 			raw_spin_unlock_irq(&sem->wait_lock);
 			rwsem_set_reader_owned(sem);
 			lockevent_inc(rwsem_rlock_fast);
+			trace_android_vh_record_rwsem_lock_starttime(
+							current, jiffies);
 			return sem;
 		}
 		adjustment += RWSEM_FLAG_WAITERS;