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Diffstat (limited to 'arch/x86/kernel/head64.c')
-rw-r--r--arch/x86/kernel/head64.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index c9781982914..d16084f9064 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -39,6 +39,13 @@ static struct x8664_pda *__cpu_pda[NR_CPUS] __initdata;
static struct x8664_pda *__cpu_pda[NR_CPUS] __read_mostly;
#endif
+void __init x86_64_init_pda(void)
+{
+ _cpu_pda = __cpu_pda;
+ cpu_pda(0) = &_boot_cpu_pda;
+ pda_init(0);
+}
+
static void __init zap_identity_mappings(void)
{
pgd_t *pgd = pgd_offset_k(0UL);
@@ -81,6 +88,7 @@ void __init x86_64_start_kernel(char * real_mode_data)
BUILD_BUG_ON(!(MODULES_VADDR > __START_KERNEL));
BUILD_BUG_ON(!(((MODULES_END - 1) & PGDIR_MASK) ==
(__START_KERNEL & PGDIR_MASK)));
+ BUILD_BUG_ON(__fix_to_virt(__end_of_fixed_addresses) <= MODULES_END);
/* clear bss before set_intr_gate with early_idt_handler */
clear_bss();
@@ -100,13 +108,10 @@ void __init x86_64_start_kernel(char * real_mode_data)
}
load_idt((const struct desc_ptr *)&idt_descr);
- early_printk("Kernel alive\n");
-
- _cpu_pda = __cpu_pda;
- cpu_pda(0) = &_boot_cpu_pda;
- pda_init(0);
+ if (console_loglevel == 10)
+ early_printk("Kernel alive\n");
- early_printk("Kernel really alive\n");
+ x86_64_init_pda();
x86_64_start_reservations(real_mode_data);
}