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-rw-r--r--init/main.c75
1 files changed, 62 insertions, 13 deletions
diff --git a/init/main.c b/init/main.c
index ff49a6dacfbb..9d454f09f3b1 100644
--- a/init/main.c
+++ b/init/main.c
@@ -87,7 +87,6 @@ extern void mca_init(void);
extern void sbus_init(void);
extern void prio_tree_init(void);
extern void radix_tree_init(void);
-extern void free_initmem(void);
#ifndef CONFIG_DEBUG_RODATA
static inline void mark_rodata_ro(void) { }
#endif
@@ -374,11 +373,8 @@ static noinline void __init_refok rest_init(void)
* at least once to get things moving:
*/
init_idle_bootup_task(current);
- preempt_enable_no_resched();
- schedule();
-
+ schedule_preempt_disabled();
/* Call into cpu_idle with preempt disabled */
- preempt_disable();
cpu_idle();
}
@@ -403,7 +399,7 @@ static int __init do_early_param(char *param, char *val)
void __init parse_early_options(char *cmdline)
{
- parse_args("early options", cmdline, NULL, 0, do_early_param);
+ parse_args("early options", cmdline, NULL, 0, 0, 0, do_early_param);
}
/* Arch code calls this early on, or if not, just before other parsing. */
@@ -449,8 +445,8 @@ void __init __weak thread_info_cache_init(void)
static void __init mm_init(void)
{
/*
- * page_cgroup requires countinous pages as memmap
- * and it's bigger than MAX_ORDER unless SPARSEMEM.
+ * page_cgroup requires contiguous pages,
+ * bigger than MAX_ORDER unless SPARSEMEM.
*/
page_cgroup_init_flatmem();
mem_init();
@@ -506,7 +502,7 @@ asmlinkage void __init start_kernel(void)
parse_early_param();
parse_args("Booting kernel", static_command_line, __start___param,
__stop___param - __start___param,
- &unknown_bootoption);
+ 0, 0, &unknown_bootoption);
jump_label_init();
@@ -702,16 +698,69 @@ int __init_or_module do_one_initcall(initcall_t fn)
}
-extern initcall_t __initcall_start[], __initcall_end[], __early_initcall_end[];
+extern initcall_t __initcall_start[];
+extern initcall_t __initcall0_start[];
+extern initcall_t __initcall1_start[];
+extern initcall_t __initcall2_start[];
+extern initcall_t __initcall3_start[];
+extern initcall_t __initcall4_start[];
+extern initcall_t __initcall5_start[];
+extern initcall_t __initcall6_start[];
+extern initcall_t __initcall7_start[];
+extern initcall_t __initcall_end[];
+
+static initcall_t *initcall_levels[] __initdata = {
+ __initcall0_start,
+ __initcall1_start,
+ __initcall2_start,
+ __initcall3_start,
+ __initcall4_start,
+ __initcall5_start,
+ __initcall6_start,
+ __initcall7_start,
+ __initcall_end,
+};
+
+static char *initcall_level_names[] __initdata = {
+ "early parameters",
+ "core parameters",
+ "postcore parameters",
+ "arch parameters",
+ "subsys parameters",
+ "fs parameters",
+ "device parameters",
+ "late parameters",
+};
+
+static int __init ignore_unknown_bootoption(char *param, char *val)
+{
+ return 0;
+}
-static void __init do_initcalls(void)
+static void __init do_initcall_level(int level)
{
+ extern const struct kernel_param __start___param[], __stop___param[];
initcall_t *fn;
- for (fn = __early_initcall_end; fn < __initcall_end; fn++)
+ strcpy(static_command_line, saved_command_line);
+ parse_args(initcall_level_names[level],
+ static_command_line, __start___param,
+ __stop___param - __start___param,
+ level, level,
+ ignore_unknown_bootoption);
+
+ for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++)
do_one_initcall(*fn);
}
+static void __init do_initcalls(void)
+{
+ int level;
+
+ for (level = 0; level < ARRAY_SIZE(initcall_levels) - 1; level++)
+ do_initcall_level(level);
+}
+
/*
* Ok, the machine is now initialized. None of the devices
* have been touched yet, but the CPU subsystem is up and
@@ -735,7 +784,7 @@ static void __init do_pre_smp_initcalls(void)
{
initcall_t *fn;
- for (fn = __initcall_start; fn < __early_initcall_end; fn++)
+ for (fn = __initcall_start; fn < __initcall0_start; fn++)
do_one_initcall(*fn);
}