1 files changed, 3 insertions, 9 deletions

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 76a0d715a031..c495aa8d4815 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -84,7 +84,7 @@ static int __init reboot_setup(char *str)
                         }
                                 /* we will leave sorting out the final value
                                    when we are ready to reboot, since we might not
-                                   have set up boot_cpu_id or smp_num_cpu */
+                                   have detected BSP APIC ID or smp_num_cpu */
                         break;
 #endif /* CONFIG_SMP */
 
@@ -371,16 +371,10 @@ void machine_real_restart(const unsigned char *code, int length)
         CMOS_WRITE(0x00, 0x8f);
         spin_unlock(&rtc_lock);
 
-        /* Remap the kernel at virtual address zero, as well as offset zero
-           from the kernel segment.  This assumes the kernel segment starts at
-           virtual address PAGE_OFFSET. */
-        memcpy(swapper_pg_dir, swapper_pg_dir + KERNEL_PGD_BOUNDARY,
-                sizeof(swapper_pg_dir [0]) * KERNEL_PGD_PTRS);
-
         /*
-         * Use `swapper_pg_dir' as our page directory.
+         * Switch back to the initial page table.
          */
-        load_cr3(swapper_pg_dir);
+        load_cr3(initial_page_table);
 
         /* Write 0x1234 to absolute memory location 0x472.  The BIOS reads
            this on booting to tell it to "Bypass memory test (also warm