X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86_64%2Fkernel%2Fsetup.c;h=b356f8e6adfe974f94cd890cd1ddd1d9cc17dd08;hb=6c231b7bab0aa6860cd9da2de8a064eddc34c146;hp=b02d921da4f72267cf9e7fb534fccf5a33001456;hpb=2031d0f586839bc68f35bcf8580b18947f8491d4;p=linux-2.6

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index b02d921da4..b356f8e6ad 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -65,7 +65,7 @@
  * Machine setup..
  */
 
-struct cpuinfo_x86 boot_cpu_data;
+struct cpuinfo_x86 boot_cpu_data __read_mostly;
 
 unsigned long mmu_cr4_features;
 
@@ -645,15 +645,15 @@ void __init setup_arch(char **cmdline_p)
 		}
 	}
 #endif
-
-	sparse_init();
-
 #ifdef CONFIG_KEXEC
 	if (crashk_res.start != crashk_res.end) {
 		reserve_bootmem(crashk_res.start,
 			crashk_res.end - crashk_res.start + 1);
 	}
 #endif
+
+	sparse_init();
+
 	paging_init();
 
 	check_ioapic();
@@ -765,8 +765,6 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
 	int cpu = smp_processor_id();
 	int node = 0;
 	unsigned bits;
-	if (c->x86_num_cores == 1)
-		return;
 
 	bits = 0;
 	while ((1 << bits) < c->x86_num_cores)
@@ -1076,9 +1074,12 @@ void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
 #ifdef CONFIG_X86_MCE
 	mcheck_init(c);
 #endif
+	if (c == &boot_cpu_data)
+		mtrr_bp_init();
+	else
+		mtrr_ap_init();
 #ifdef CONFIG_NUMA
-	if (c != &boot_cpu_data)
-		numa_add_cpu(c - cpu_data);
+	numa_add_cpu(smp_processor_id());
 #endif
 }