From 00927b92ea59d61ac757f942c0b88a9413ab1105 Mon Sep 17 00:00:00 2001
From: zhouli57 <zhouli57@huawei.com>
Date: Sat, 12 Mar 2022 09:05:03 +0800
Subject: [PATCH 7/8] docs: add the description of hot plug of PCI devices

Signed-off-by: zhouli57 <zhouli57@huawei.com>
---
 docs/qmp.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/qmp.md b/docs/qmp.md
index be933fa..ceee6fd 100644
--- a/docs/qmp.md
+++ b/docs/qmp.md
@@ -166,6 +166,8 @@ Add a device.
 
 * Guest kernel config: CONFIG_HOTPLUG_PCI_PCIE=y
 
+* You are not advised to hot plug/unplug devices during VM startup, shutdown or suspension, or when the VM is under high pressure. In this case, the driver in the VM may not respond to requests, causing VM exceptions.
+
 #### Example
 
 ```json
-- 
2.20.1

