diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 13 | ||||
| -rw-r--r-- | init/calibrate.c | 3 | ||||
| -rw-r--r-- | init/do_mounts.c | 4 | ||||
| -rw-r--r-- | init/do_mounts_initrd.c | 1 | ||||
| -rw-r--r-- | init/do_mounts_rd.c | 13 | ||||
| -rw-r--r-- | init/main.c | 75 |
6 files changed, 74 insertions, 35 deletions
diff --git a/init/Kconfig b/init/Kconfig index 3f42cd66f0f..6cfd71d0646 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -438,15 +438,6 @@ config PREEMPT_RCU This option enables preemptible-RCU code that is common between the TREE_PREEMPT_RCU and TINY_PREEMPT_RCU implementations. -config RCU_TRACE - bool "Enable tracing for RCU" - help - This option provides tracing in RCU which presents stats - in debugfs for debugging RCU implementation. - - Say Y here if you want to enable RCU tracing - Say N if you are unsure. - config RCU_FANOUT int "Tree-based hierarchical RCU fanout value" range 2 64 if 64BIT @@ -1423,8 +1414,8 @@ endif # MODULES config INIT_ALL_POSSIBLE bool help - Back when each arch used to define their own cpu_online_map and - cpu_possible_map, some of them chose to initialize cpu_possible_map + Back when each arch used to define their own cpu_online_mask and + cpu_possible_mask, some of them chose to initialize cpu_possible_mask with all 1s, and others with all 0s. When they were centralised, it was better to provide this option than to break all the archs and have several arch maintainers pursuing me down dark alleys. diff --git a/init/calibrate.c b/init/calibrate.c index 5f117ca9e06..fda0a7b0f06 100644 --- a/init/calibrate.c +++ b/init/calibrate.c @@ -267,7 +267,8 @@ void __cpuinit calibrate_delay(void) if (per_cpu(cpu_loops_per_jiffy, this_cpu)) { lpj = per_cpu(cpu_loops_per_jiffy, this_cpu); - pr_info("Calibrating delay loop (skipped) " + if (!printed) + pr_info("Calibrating delay loop (skipped) " "already calibrated this CPU"); } else if (preset_lpj) { lpj = preset_lpj; diff --git a/init/do_mounts.c b/init/do_mounts.c index 2974c8b3b35..0e93f92a034 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -373,8 +373,8 @@ retry: #ifdef CONFIG_BLOCK __bdevname(ROOT_DEV, b); #endif - printk("VFS: Cannot open root device \"%s\" or %s\n", - root_device_name, b); + printk("VFS: Cannot open root device \"%s\" or %s: error %d\n", + root_device_name, b, err); printk("Please append a correct \"root=\" boot option; here are the available partitions:\n"); printk_all_partitions(); diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c index 3098a38f3ae..9047330c73e 100644 --- a/init/do_mounts_initrd.c +++ b/init/do_mounts_initrd.c @@ -2,7 +2,6 @@ #include <linux/kernel.h> #include <linux/fs.h> #include <linux/minix_fs.h> -#include <linux/ext2_fs.h> #include <linux/romfs_fs.h> #include <linux/initrd.h> #include <linux/sched.h> diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c index 887629e24c5..6212586df29 100644 --- a/init/do_mounts_rd.c +++ b/init/do_mounts_rd.c @@ -54,20 +54,19 @@ identify_ramdisk_image(int fd, int start_block, decompress_fn *decompressor) { const int size = 512; struct minix_super_block *minixsb; - struct ext2_super_block *ext2sb; struct romfs_super_block *romfsb; struct cramfs_super *cramfsb; struct squashfs_super_block *squashfsb; int nblocks = -1; unsigned char *buf; const char *compress_name; + unsigned long n; buf = kmalloc(size, GFP_KERNEL); if (!buf) return -ENOMEM; minixsb = (struct minix_super_block *) buf; - ext2sb = (struct ext2_super_block *) buf; romfsb = (struct romfs_super_block *) buf; cramfsb = (struct cramfs_super *) buf; squashfsb = (struct squashfs_super_block *) buf; @@ -150,12 +149,12 @@ identify_ramdisk_image(int fd, int start_block, decompress_fn *decompressor) } /* Try ext2 */ - if (ext2sb->s_magic == cpu_to_le16(EXT2_SUPER_MAGIC)) { + n = ext2_image_size(buf); + if (n) { printk(KERN_NOTICE "RAMDISK: ext2 filesystem found at block %d\n", start_block); - nblocks = le32_to_cpu(ext2sb->s_blocks_count) << - le32_to_cpu(ext2sb->s_log_block_size); + nblocks = n; goto done; } @@ -178,7 +177,7 @@ int __init rd_load_image(char *from) char *buf = NULL; unsigned short rotate = 0; decompress_fn decompressor = NULL; -#if !defined(CONFIG_S390) && !defined(CONFIG_PPC_ISERIES) +#if !defined(CONFIG_S390) char rotator[4] = { '|' , '/' , '-' , '\\' }; #endif @@ -264,7 +263,7 @@ int __init rd_load_image(char *from) } sys_read(in_fd, buf, BLOCK_SIZE); sys_write(out_fd, buf, BLOCK_SIZE); -#if !defined(CONFIG_S390) && !defined(CONFIG_PPC_ISERIES) +#if !defined(CONFIG_S390) if (!(i % 16)) { printk("%c\b", rotator[rotate & 0x3]); rotate++; diff --git a/init/main.c b/init/main.c index ff49a6dacfb..9d454f09f3b 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); } |