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Message-Id: <20241011040441.1586345-5-tiwei.btw@antgroup.com>
Date: Fri, 11 Oct 2024 12:04:36 +0800
From: "Tiwei Bie" <tiwei.btw@...group.com>
To: richard@....at,
anton.ivanov@...bridgegreys.com,
johannes@...solutions.net
Cc: <linux-um@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
"Tiwei Bie" <tiwei.btw@...group.com>
Subject: [PATCH 4/9] um: Do not propagate dtb parameter to kernel
This parameter is UML specific and is unknown to kernel. It should not
be propagated to kernel, otherwise it will be passed to user space as
an environment option by kernel with a warning like:
Unknown kernel command line parameters "dtb=/foo", will be passed to user space.
Signed-off-by: Tiwei Bie <tiwei.btw@...group.com>
---
arch/um/kernel/dtb.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/um/kernel/dtb.c b/arch/um/kernel/dtb.c
index 4954188a6a09..73369446ed1e 100644
--- a/arch/um/kernel/dtb.c
+++ b/arch/um/kernel/dtb.c
@@ -31,6 +31,7 @@ void uml_dtb_init(void)
static int __init uml_dtb_setup(char *line, int *add)
{
+ *add = 0;
dtb = line;
return 0;
}
--
2.34.1
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