diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 9 | ||||
| -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, 72 insertions, 33 deletions
diff --git a/init/Kconfig b/init/Kconfig index da9222d..2acd917 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 diff --git a/init/calibrate.c b/init/calibrate.c index 5f117ca..fda0a7b 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 2974c8b..0e93f92 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 3098a38..9047330 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 887629e..6212586 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 ff49a6d..9d454f0 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); } |