Merge commit 'upstream/master'
[pandora-kernel.git] / arch / x86 / kernel / head64.c
index 5fbed45..1b318e9 100644 (file)
 #include <asm/e820.h>
 #include <asm/bios_ebda.h>
 
+/* boot cpu pda */
+static struct x8664_pda _boot_cpu_pda __read_mostly;
+
+#ifdef CONFIG_SMP
+/*
+ * We install an empty cpu_pda pointer table to indicate to early users
+ * (numa_set_node) that the cpu_pda pointer table for cpus other than
+ * the boot cpu is not yet setup.
+ */
+static struct x8664_pda *__cpu_pda[NR_CPUS] __initdata;
+#else
+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);
@@ -88,10 +109,15 @@ void __init x86_64_start_kernel(char * real_mode_data)
 
        early_printk("Kernel alive\n");
 
-       for (i = 0; i < NR_CPUS; i++)
-               cpu_pda(i) = &boot_cpu_pda[i];
+       x86_64_init_pda();
 
-       pda_init(0);
+       early_printk("Kernel really alive\n");
+
+       x86_64_start_reservations(real_mode_data);
+}
+
+void __init x86_64_start_reservations(char *real_mode_data)
+{
        copy_bootdata(__va(real_mode_data));
 
        reserve_early(__pa_symbol(&_text), __pa_symbol(&_end), "TEXT DATA BSS");
@@ -107,7 +133,6 @@ void __init x86_64_start_kernel(char * real_mode_data)
 #endif
 
        reserve_ebda_region();
-       reserve_setup_data();
 
        /*
         * At this point everything still needed from the boot loader