x86: printk kernel version in WARN_ON and other dump_stack users

[linux-2.6] / arch / x86 / kernel / head64.c

diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 6c34bdd22e2634df6bdb41cc1db8aba482ddf33f..6b3469311e42736a630d9d95d907c8230277ee51 100644 (file)
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -1,5 +1,5 @@
 /*
- *  linux/arch/x86_64/kernel/head64.c -- prepare to run common code
+ *  prepare to run common code
  *
  *  Copyright (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE
  */
@@ -14,7 +14,6 @@
 #include <asm/processor.h>
 #include <asm/proto.h>
 #include <asm/smp.h>
-#include <asm/bootsetup.h>
 #include <asm/setup.h>
 #include <asm/desc.h>
 #include <asm/pgtable.h>
@@ -36,26 +35,15 @@ static void __init clear_bss(void)
               (unsigned long) __bss_stop - (unsigned long) __bss_start);
 }
 
-#define NEW_CL_POINTER         0x228   /* Relative to real mode data */
-#define OLD_CL_MAGIC_ADDR      0x20
-#define OLD_CL_MAGIC            0xA33F
-#define OLD_CL_OFFSET           0x22
-
 static void __init copy_bootdata(char *real_mode_data)
 {
-       unsigned long new_data;
        char * command_line;
 
-       memcpy(x86_boot_params, real_mode_data, BOOT_PARAM_SIZE);
-       new_data = *(u32 *) (x86_boot_params + NEW_CL_POINTER);
-       if (!new_data) {
-               if (OLD_CL_MAGIC != *(u16 *)(real_mode_data + OLD_CL_MAGIC_ADDR)) {
-                       return;
-               }
-               new_data = __pa(real_mode_data) + *(u16 *)(real_mode_data + OLD_CL_OFFSET);
+       memcpy(&boot_params, real_mode_data, sizeof boot_params);
+       if (boot_params.hdr.cmd_line_ptr) {
+               command_line = __va(boot_params.hdr.cmd_line_ptr);
+               memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
        }
-       command_line = __va(new_data);
-       memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
 }
 
 void __init x86_64_start_kernel(char * real_mode_data)
@@ -70,7 +58,7 @@ void __init x86_64_start_kernel(char * real_mode_data)
 
        for (i = 0; i < IDT_ENTRIES; i++)
                set_intr_gate(i, early_idt_handler);
-       asm volatile("lidt %0" :: "m" (idt_descr));
+       load_idt((const struct desc_ptr *)&idt_descr);
 
        early_printk("Kernel alive\n");