diff options
Diffstat (limited to 'init/main.c')
-rw-r--r-- | init/main.c | 53 |
1 files changed, 37 insertions, 16 deletions
diff --git a/init/main.c b/init/main.c index f5b8246e8aa1..5c9a48df90e1 100644 --- a/init/main.c +++ b/init/main.c @@ -153,10 +153,10 @@ static char *extra_init_args; #ifdef CONFIG_BOOT_CONFIG /* Is bootconfig on command line? */ static bool bootconfig_found; -static bool initargs_found; +static size_t initargs_offs; #else # define bootconfig_found false -# define initargs_found false +# define initargs_offs 0 #endif static char *execute_command; @@ -397,6 +397,12 @@ static int __init bootconfig_params(char *param, char *val, return 0; } +static int __init warn_bootconfig(char *str) +{ + /* The 'bootconfig' has been handled by bootconfig_params(). */ + return 0; +} + static void __init setup_boot_config(void) { static char tmp_cmdline[COMMAND_LINE_SIZE] __initdata; @@ -416,9 +422,9 @@ static void __init setup_boot_config(void) if (IS_ERR(err) || !bootconfig_found) return; - /* parse_args() stops at '--' and returns an address */ + /* parse_args() stops at the next param of '--' and returns an address */ if (err) - initargs_found = true; + initargs_offs = err - tmp_cmdline; if (!data) { pr_err("'bootconfig' found on command line, but no bootconfig found\n"); @@ -462,7 +468,12 @@ static void __init setup_boot_config(void) return; } -#else +static void __init exit_boot_config(void) +{ + xbc_destroy_all(); +} + +#else /* !CONFIG_BOOT_CONFIG */ static void __init setup_boot_config(void) { @@ -475,9 +486,12 @@ static int __init warn_bootconfig(char *str) pr_warn("WARNING: 'bootconfig' found on the kernel command line but CONFIG_BOOT_CONFIG is not set.\n"); return 0; } -early_param("bootconfig", warn_bootconfig); -#endif +#define exit_boot_config() do {} while (0) + +#endif /* CONFIG_BOOT_CONFIG */ + +early_param("bootconfig", warn_bootconfig); /* Change NUL term back to "=", to make "param" the whole string. */ static void __init repair_env_string(char *param, char *val) @@ -641,16 +655,21 @@ static void __init setup_command_line(char *command_line) * Append supplemental init boot args to saved_command_line * so that user can check what command line options passed * to init. + * The order should always be + * " -- "[bootconfig init-param][cmdline init-param] */ - len = strlen(saved_command_line); - if (initargs_found) { - saved_command_line[len++] = ' '; + if (initargs_offs) { + len = xlen + initargs_offs; + strcpy(saved_command_line + len, extra_init_args); + len += ilen - 4; /* strlen(extra_init_args) */ + strcpy(saved_command_line + len, + boot_command_line + initargs_offs - 1); } else { + len = strlen(saved_command_line); strcpy(saved_command_line + len, " -- "); len += 4; + strcpy(saved_command_line + len, extra_init_args); } - - strcpy(saved_command_line + len, extra_init_args); } } @@ -772,6 +791,8 @@ void __init __weak poking_init(void) { } void __init __weak pgtable_cache_init(void) { } +void __init __weak trap_init(void) { } + bool initcall_debug; core_param(initcall_debug, initcall_debug, bool, 0644); @@ -1221,7 +1242,7 @@ trace_initcall_start_cb(void *data, initcall_t fn) { ktime_t *calltime = (ktime_t *)data; - printk(KERN_DEBUG "calling %pS @ %i\n", fn, task_pid_nr(current)); + printk(KERN_DEBUG "calling %pS @ %i irqs_disabled() %d\n", fn, task_pid_nr(current), irqs_disabled()); *calltime = ktime_get(); } @@ -1235,8 +1256,8 @@ trace_initcall_finish_cb(void *data, initcall_t fn, int ret) rettime = ktime_get(); delta = ktime_sub(rettime, *calltime); duration = (unsigned long long) ktime_to_ns(delta) >> 10; - printk(KERN_DEBUG "initcall %pS returned %d after %lld usecs\n", - fn, ret, duration); + printk(KERN_DEBUG "initcall %pS returned %d after %lld usecs, irqs_disabled() %d\n", + fn, ret, duration, irqs_disabled()); } static ktime_t initcall_calltime; @@ -1387,7 +1408,6 @@ static void __init do_basic_setup(void) driver_init(); init_irq_proc(); do_ctors(); - usermodehelper_enable(); do_initcalls(); } @@ -1488,6 +1508,7 @@ static int __ref kernel_init(void *unused) kprobe_free_init_mem(); ftrace_free_init_mem(); kgdb_free_init_mem(); + exit_boot_config(); free_initmem(); mark_readonly(); |