Merge linux-2.6 with linux-acpi-2.6

[linux-2.6-omap-h63xx.git] / arch / i386 / kernel / setup.c

diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index d52eda399a7adf575b8a9f34480fbe81a6d4e6a6..a659d274914cf26ccbc7431900d6423a391f66b1 100644 (file)
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -82,7 +82,7 @@ EXPORT_SYMBOL(efi_enabled);
 /* cpu data as detected by the assembly code in head.S */
 struct cpuinfo_x86 new_cpu_data __initdata = { 0, 0, 0, 0, -1, 1, 0, 0, -1 };
 /* common cpu data for all cpus */
-struct cpuinfo_x86 boot_cpu_data = { 0, 0, 0, 0, -1, 1, 0, 0, -1 };
+struct cpuinfo_x86 boot_cpu_data __read_mostly = { 0, 0, 0, 0, -1, 1, 0, 0, -1 };
 EXPORT_SYMBOL(boot_cpu_data);
 
 unsigned long mmu_cr4_features;
@@ -370,12 +370,16 @@ static void __init limit_regions(unsigned long long size)
        int i;
 
        if (efi_enabled) {
-               for (i = 0; i < memmap.nr_map; i++) {
-                       current_addr = memmap.map[i].phys_addr +
-                                      (memmap.map[i].num_pages << 12);
-                       if (memmap.map[i].type == EFI_CONVENTIONAL_MEMORY) {
+               efi_memory_desc_t *md;
+               void *p;
+
+               for (p = memmap.map, i = 0; p < memmap.map_end;
+                       p += memmap.desc_size, i++) {
+                       md = p;
+                       current_addr = md->phys_addr + (md->num_pages << 12);
+                       if (md->type == EFI_CONVENTIONAL_MEMORY) {
                                if (current_addr >= size) {
-                                       memmap.map[i].num_pages -=
+                                       md->num_pages -=
                                                (((current_addr-size) + PAGE_SIZE-1) >> PAGE_SHIFT);
                                        memmap.nr_map = i + 1;
                                        return;
@@ -1581,8 +1585,14 @@ void __init setup_arch(char **cmdline_p)
         */
        acpi_boot_table_init();
        acpi_boot_init();
-#endif
 
+#if defined(CONFIG_SMP) && defined(CONFIG_X86_PC)
+       if (def_to_bigsmp)
+               printk(KERN_WARNING "More than 8 CPUs detected and "
+                       "CONFIG_X86_PC cannot handle it.\nUse "
+                       "CONFIG_X86_GENERICARCH or CONFIG_X86_BIGSMP.\n");
+#endif
+#endif
 #ifdef CONFIG_X86_LOCAL_APIC
        if (smp_found_config)
                get_smp_config();