1 files changed, 29 insertions, 10 deletions

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 68b48e3fbcbd..141efab52400 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -223,6 +223,9 @@ 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;
@@ -445,7 +448,7 @@ static void __init reserve_early_setup_data(void)
  * @size: Size of the crashkernel memory to reserve.
  * Returns the base address on success, and -1ULL on failure.
  */
-unsigned long long find_and_reserve_crashkernel(unsigned long long size)
+unsigned long long __init find_and_reserve_crashkernel(unsigned long long size)
 {
         const unsigned long long alignment = 16<<20;    /* 16M */
         unsigned long long start = 0LL;
@@ -604,14 +607,6 @@ void __init setup_arch(char **cmdline_p)
         early_cpu_init();
         early_ioremap_init();
 
-#if defined(CONFIG_VMI) && defined(CONFIG_X86_32)
-        /*
-         * Must be before kernel pagetables are setup
-         * or fixmap area is touched.
-         */
-        vmi_init();
-#endif
-
         ROOT_DEV = old_decode_dev(boot_params.hdr.root_dev);
         screen_info = boot_params.screen_info;
         edid_info = boot_params.edid_info;
@@ -673,11 +668,36 @@ void __init setup_arch(char **cmdline_p)
         bss_resource.start = virt_to_phys(&__bss_start);
         bss_resource.end = virt_to_phys(&__bss_stop)-1;
 
+#ifdef CONFIG_CMDLINE_BOOL
+#ifdef CONFIG_CMDLINE_OVERRIDE
+        strlcpy(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);
+                strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE);
+        }
+#endif
+#endif
+
         strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
         *cmdline_p = command_line;
 
         parse_early_param();
 
+#ifdef CONFIG_X86_64
+        check_efer();
+#endif
+
+#if defined(CONFIG_VMI) && defined(CONFIG_X86_32)
+        /*
+         * Must be before kernel pagetables are setup
+         * or fixmap area is touched.
+         */
+        vmi_init();
+#endif
+
         /* after early param, so could get panic from serial */
         reserve_early_setup_data();
 
@@ -738,7 +758,6 @@ void __init setup_arch(char **cmdline_p)
 #else
         num_physpages = max_pfn;
 
-        check_efer();
 
         /* How many end-of-memory variables you have, grandma! */
         /* need this before calling reserve_initrd */