Merge branch 'linux-2.6'

[firefly-linux-kernel-4.4.55.git] / init / main.c

diff --git a/init/main.c b/init/main.c
index 953500b02ac4136f4ad30aa0ea6b285019234131..0e22f40487bba5bceea3ddf7266b0a340e005ce1 100644 (file)
--- a/init/main.c
+++ b/init/main.c
@@ -41,6 +41,7 @@
 #include <linux/cpuset.h>
 #include <linux/efi.h>
 #include <linux/tick.h>
+#include <linux/interrupt.h>
 #include <linux/taskstats_kern.h>
 #include <linux/delayacct.h>
 #include <linux/unistd.h>
@@ -81,7 +82,7 @@
 #warning gcc-4.1.0 is known to miscompile the kernel.  A different compiler version is recommended.
 #endif
 
-static int init(void *);
+static int kernel_init(void *);
 
 extern void init_IRQ(void);
 extern void fork_init(unsigned long);
@@ -368,12 +369,8 @@ static void __init setup_per_cpu_areas(void)
        unsigned long nr_possible_cpus = num_possible_cpus();
 
        /* Copy section for each CPU (we discard the original) */
-       size = ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES);
-#ifdef CONFIG_MODULES
-       if (size < PERCPU_ENOUGH_ROOM)
-               size = PERCPU_ENOUGH_ROOM;
-#endif
-       ptr = alloc_bootmem(size * nr_possible_cpus);
+       size = ALIGN(PERCPU_ENOUGH_ROOM, PAGE_SIZE);
+       ptr = alloc_bootmem_pages(size * nr_possible_cpus);
 
        for_each_possible_cpu(i) {
                __per_cpu_offset[i] = ptr - __per_cpu_start;
@@ -386,14 +383,14 @@ static void __init setup_per_cpu_areas(void)
 /* Called by boot processor to activate the rest. */
 static void __init smp_init(void)
 {
-       unsigned int i;
+       unsigned int cpu;
 
        /* FIXME: This should be done in userspace --RR */
-       for_each_present_cpu(i) {
+       for_each_present_cpu(cpu) {
                if (num_online_cpus() >= max_cpus)
                        break;
-               if (!cpu_online(i))
-                       cpu_up(i);
+               if (!cpu_online(cpu))
+                       cpu_up(cpu);
        }
 
        /* Any cleanup work */
@@ -429,7 +426,7 @@ static void __init setup_command_line(char *command_line)
 static void noinline rest_init(void)
        __releases(kernel_lock)
 {
-       kernel_thread(init, NULL, CLONE_FS | CLONE_SIGHAND);
+       kernel_thread(kernel_init, NULL, CLONE_FS | CLONE_SIGHAND);
        numa_default_policy();
        unlock_kernel();
 
@@ -702,11 +699,7 @@ static void __init do_basic_setup(void)
        init_workqueues();
        usermodehelper_init();
        driver_init();
-
-#ifdef CONFIG_PROC_FS
        init_irq_proc();
-#endif
-
        do_initcalls();
 }
 
@@ -770,7 +763,7 @@ static int noinline init_post(void)
        panic("No init found.  Try passing init= option to kernel.");
 }
 
-static int __init init(void * unused)
+static int __init kernel_init(void * unused)
 {
        lock_kernel();
        /*