[PATCH v11 2/5] x86/setup: handle builtin command line as early as possible

Alexander Kuleshov
2015-06-09T11:11:47Z

This patch adds the call of the setup_builtin_cmdline to
handle builtin command line before we will setup earlyprintk.

Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
---
arch/x86/kernel/head32.c | 1 +
arch/x86/kernel/head64.c | 2 ++
arch/x86/kernel/setup.c | 1 -
3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 2911ef3..92e8b5f 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -31,6 +31,7 @@ static void __init i386_default_early_setup(void)

asmlinkage __visible void __init i386_start_kernel(void)
{
+ setup_builtin_cmdline();
cr4_init_shadow();
sanitize_boot_params(&boot_params);

diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 5a46681..1e5f064 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -172,6 +172,8 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data)

copy_bootdata(__va(real_mode_data));

+ setup_builtin_cmdline();
+
/*
* Load microcode early on BSP.
*/
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index edd4857..0aeee0a 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -989,0 +989,0 @@ void __init setup_arch(char **cmdline_p)
bss_resource.start = __pa_symbol(__bss_start);
bss_resource.end = __pa_symbol(__bss_stop)-1;

- setup_builtin_cmdline();
strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
*cmdline_p = command_line;

--
2.4.0.GIT