X-Git-Url: https://nv-tegra.nvidia.com/r/gitweb?p=linux-2.6.git;a=blobdiff_plain;f=init%2Fmain.c;h=6bf83afd654da44b5b52383a4697d4d98e0ff6fa;hp=83697e160b3a786d3d91c14000f116a441f61bfc;hb=6d2e91bf80e4410207f01edb0962aec9213f3533;hpb=dd39ecf522ba86c70809715af46e6557f6491131

diff --git a/init/main.c b/init/main.c
index 83697e160b3..6bf83afd654 100644
--- a/init/main.c
+++ b/init/main.c
@@ -14,6 +14,7 @@
 #include <linux/proc_fs.h>
 #include <linux/kernel.h>
 #include <linux/syscalls.h>
+#include <linux/stackprotector.h>
 #include <linux/string.h>
 #include <linux/ctype.h>
 #include <linux/delay.h>
@@ -135,14 +136,14 @@ unsigned int __initdata setup_max_cpus = NR_CPUS;
  * greater than 0, limits the maximum number of CPUs activated in
  * SMP mode to <NUM>.
  */
-#ifndef CONFIG_X86_IO_APIC
-static inline void disable_ioapic_setup(void) {};
-#endif
+
+void __weak arch_disable_smp_support(void) { }
 
 static int __init nosmp(char *str)
 {
 	setup_max_cpus = 0;
-	disable_ioapic_setup();
+	arch_disable_smp_support();
+
 	return 0;
 }
 
@@ -152,14 +153,14 @@ static int __init maxcpus(char *str)
 {
 	get_option(&str, &setup_max_cpus);
 	if (setup_max_cpus == 0)
-		disable_ioapic_setup();
+		arch_disable_smp_support();
 
 	return 0;
 }
 
 early_param("maxcpus", maxcpus);
 #else
-#define setup_max_cpus NR_CPUS
+const unsigned int setup_max_cpus = NR_CPUS;
 #endif
 
 /*
@@ -540,6 +541,12 @@ asmlinkage void __init start_kernel(void)
 	 */
 	lockdep_init();
 	debug_objects_early_init();
+
+	/*
+	 * Set up the the initial canary ASAP:
+	 */
+	boot_init_stack_canary();
+
 	cgroup_init_early();
 
 	local_irq_disable();