linux-kernel - [PATCH 1/9] um: Remove UML specific debug parameter

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Message-Id: <20241011040441.1586345-2-tiwei.btw@antgroup.com>
Date: Fri, 11 Oct 2024 12:04:33 +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 1/9] um: Remove UML specific debug parameter

It does nothing but emit a warning when 'debug' is provided in the
kernel command line. It can be a bit annoying, as 'debug' is also a
valid kernel parameter to enable kernel debugging.

Signed-off-by: Tiwei Bie <tiwei.btw@...group.com>
---
 arch/um/kernel/um_arch.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 38cbb41a64bc..6d755a37d5c4 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -167,19 +167,6 @@ __uml_setup("root=", uml_root_setup,
 "        root=/dev/ubd5\n\n"
 );
 
-static int __init no_skas_debug_setup(char *line, int *add)
-{
-	os_warn("'debug' is not necessary to gdb UML in skas mode - run\n");
-	os_warn("'gdb linux'\n");
-
-	return 0;
-}
-
-__uml_setup("debug", no_skas_debug_setup,
-"debug\n"
-"    this flag is not needed to run gdb on UML in skas mode\n\n"
-);
-
 static int __init uml_console_setup(char *line, int *add)
 {
 	have_console = 1;
-- 
2.34.1