[PATCH v8 3/5] x86/setup: Use cmdline_prepare() in setup.c

From: Evgeniy Baskov
Date: Thu Nov 10 2022 - 08:09:56 EST


Use a common helper function for command line resolving in
arch/x86/kernel/setup.c for code unification.

Signed-off-by: Evgeniy Baskov <baskov@xxxxxxxxx>
---
arch/x86/kernel/setup.c | 20 +++-----------------
1 file changed, 3 insertions(+), 17 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index aacaa96f0195..f23a49f62b71 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -50,6 +50,7 @@
#include <asm/pci-direct.h>
#include <asm/prom.h>
#include <asm/proto.h>
+#include <asm/shared/cmdline.h>
#include <asm/thermal.h>
#include <asm/unwind.h>
#include <asm/vsyscall.h>
@@ -168,9 +169,6 @@ unsigned long saved_video_mode;
#define RAMDISK_LOAD_FLAG 0x4000

static char __initdata command_line[COMMAND_LINE_SIZE];
-#ifdef CONFIG_CMDLINE_BOOL
-static char __initdata builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE;
-#endif

#if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
struct edd edd;
@@ -970,20 +968,8 @@ void __init setup_arch(char **cmdline_p)
bss_resource.start = __pa_symbol(__bss_start);
bss_resource.end = __pa_symbol(__bss_stop)-1;

-#ifdef CONFIG_CMDLINE_BOOL
-#ifdef CONFIG_CMDLINE_OVERRIDE
- strscpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE);
-#else
- if (builtin_cmdline[0]) {
- /* append boot loader cmdline to builtin */
- strlcat(builtin_cmdline, " ", COMMAND_LINE_SIZE);
- strlcat(builtin_cmdline, boot_command_line, COMMAND_LINE_SIZE);
- strscpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE);
- }
-#endif
-#endif
-
- strscpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
+ cmdline_prepare(command_line, boot_command_line);
+ strscpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
*cmdline_p = command_line;

/*
--
2.37.4