linux-kernel - [PATCH 2/3] docs: kernel-parameters: update description of root=

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Date:   Sat,  9 Apr 2022 11:39:40 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Jens Axboe <axboe@...nel.dk>, Jonathan Corbet <corbet@....net>
Cc:     linux-block@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] docs: kernel-parameters: update description of root=

root=UUID or root=LABEL is not supported without initrd.
It is better to update description of root= to explicitly
tell the users.

Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
---
 Documentation/admin-guide/kernel-parameters.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 3f1cc5e..c3eb142 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -5120,6 +5120,7 @@
 			port and the regular usb controller gets disabled.
 
 	root=		[KNL] Root filesystem
+			root=UUID or root=LABEL is not supported without initrd.
 			See name_to_dev_t comment in init/do_mounts.c.
 
 	rootdelay=	[KNL] Delay (in seconds) to pause before attempting to
-- 
2.1.0