1 /* 2 * Copyright (c) 1995 Terrence R. Lambert 3 * All rights reserved. 4 * 5 * Copyright (c) 1982, 1986, 1989, 1991, 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * (c) UNIX System Laboratories, Inc. 8 * All or some portions of this file are derived from material licensed 9 * to the University of California by American Telephone and Telegraph 10 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 11 * the permission of UNIX System Laboratories, Inc. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * @(#)init_main.c 8.9 (Berkeley) 1/21/94 42 * $FreeBSD: src/sys/kern/init_main.c,v 1.134.2.8 2003/06/06 20:21:32 tegge Exp $ 43 * $DragonFly: src/sys/kern/init_main.c,v 1.80 2007/05/02 05:55:35 dillon Exp $ 44 */ 45 46 #include "opt_init_path.h" 47 48 #include <sys/param.h> 49 #include <sys/file.h> 50 #include <sys/filedesc.h> 51 #include <sys/kernel.h> 52 #include <sys/mount.h> 53 #include <sys/sysctl.h> 54 #include <sys/proc.h> 55 #include <sys/resourcevar.h> 56 #include <sys/signalvar.h> 57 #include <sys/systm.h> 58 #include <sys/vnode.h> 59 #include <sys/sysent.h> 60 #include <sys/reboot.h> 61 #include <sys/sysproto.h> 62 #include <sys/vmmeter.h> 63 #include <sys/unistd.h> 64 #include <sys/malloc.h> 65 #include <sys/machintr.h> 66 #include <sys/file2.h> 67 #include <sys/thread2.h> 68 #include <sys/sysref2.h> 69 70 #include <machine/cpu.h> 71 72 #include <vm/vm.h> 73 #include <vm/vm_param.h> 74 #include <sys/lock.h> 75 #include <vm/pmap.h> 76 #include <vm/vm_map.h> 77 #include <vm/vm_extern.h> 78 #include <sys/user.h> 79 #include <sys/copyright.h> 80 81 /* Components of the first process -- never freed. */ 82 static struct session session0; 83 static struct pgrp pgrp0; 84 static struct sigacts sigacts0; 85 static struct filedesc filedesc0; 86 static struct plimit limit0; 87 static struct vmspace vmspace0; 88 struct proc *initproc; 89 struct proc proc0; 90 struct lwp lwp0; 91 struct thread thread0; 92 93 int cmask = CMASK; 94 extern struct user *proc0paddr; 95 extern int fallback_elf_brand; 96 97 int boothowto = 0; /* initialized so that it can be patched */ 98 SYSCTL_INT(_debug, OID_AUTO, boothowto, CTLFLAG_RD, &boothowto, 0, ""); 99 100 /* 101 * This ensures that there is at least one entry so that the sysinit_set 102 * symbol is not undefined. A sybsystem ID of SI_SPECIAL_DUMMY is never 103 * executed. 104 */ 105 SYSINIT(placeholder, SI_SPECIAL_DUMMY, SI_ORDER_ANY, NULL, NULL) 106 107 /* 108 * The sysinit table itself. Items are checked off as the are run. 109 * If we want to register new sysinit types, add them to newsysinit. 110 */ 111 SET_DECLARE(sysinit_set, struct sysinit); 112 struct sysinit **sysinit, **sysinit_end; 113 struct sysinit **newsysinit, **newsysinit_end; 114 115 116 /* 117 * Merge a new sysinit set into the current set, reallocating it if 118 * necessary. This can only be called after malloc is running. 119 */ 120 void 121 sysinit_add(struct sysinit **set, struct sysinit **set_end) 122 { 123 struct sysinit **newset; 124 struct sysinit **sipp; 125 struct sysinit **xipp; 126 int count; 127 128 count = set_end - set; 129 if (newsysinit) 130 count += newsysinit_end - newsysinit; 131 else 132 count += sysinit_end - sysinit; 133 newset = kmalloc(count * sizeof(*sipp), M_TEMP, M_WAITOK); 134 if (newset == NULL) 135 panic("cannot malloc for sysinit"); 136 xipp = newset; 137 if (newsysinit) { 138 for (sipp = newsysinit; sipp < newsysinit_end; sipp++) 139 *xipp++ = *sipp; 140 } else { 141 for (sipp = sysinit; sipp < sysinit_end; sipp++) 142 *xipp++ = *sipp; 143 } 144 for (sipp = set; sipp < set_end; sipp++) 145 *xipp++ = *sipp; 146 if (newsysinit) 147 kfree(newsysinit, M_TEMP); 148 newsysinit = newset; 149 newsysinit_end = newset + count; 150 } 151 152 /* 153 * Callbacks from machine-dependant startup code (e.g. init386) to set 154 * up low level entities related to cpu #0's globaldata. 155 * 156 * Called from very low level boot code. 157 */ 158 void 159 mi_proc0init(struct globaldata *gd, struct user *proc0paddr) 160 { 161 lwkt_init_thread(&thread0, proc0paddr, LWKT_THREAD_STACK, 0, gd); 162 lwkt_set_comm(&thread0, "thread0"); 163 LIST_INIT(&proc0.p_lwps); 164 LIST_INSERT_HEAD(&proc0.p_lwps, &lwp0, lwp_list); 165 lwp0.lwp_thread = &thread0; 166 lwp0.lwp_proc = &proc0; 167 proc0.p_usched = usched_init(); 168 lwp0.lwp_cpumask = 0xFFFFFFFF; 169 varsymset_init(&proc0.p_varsymset, NULL); 170 thread0.td_flags |= TDF_RUNNING; 171 thread0.td_proc = &proc0; 172 thread0.td_lwp = &lwp0; 173 thread0.td_switch = cpu_heavy_switch; /* YYY eventually LWKT */ 174 lwkt_schedule_self(curthread); 175 } 176 177 /* 178 * System startup; initialize the world, create process 0, mount root 179 * filesystem, and fork to create init and pagedaemon. Most of the 180 * hard work is done in the lower-level initialization routines including 181 * startup(), which does memory initialization and autoconfiguration. 182 * 183 * This allows simple addition of new kernel subsystems that require 184 * boot time initialization. It also allows substitution of subsystem 185 * (for instance, a scheduler, kernel profiler, or VM system) by object 186 * module. Finally, it allows for optional "kernel threads". 187 */ 188 void 189 mi_startup(void) 190 { 191 struct sysinit *sip; /* system initialization*/ 192 struct sysinit **sipp; /* system initialization*/ 193 struct sysinit **xipp; /* interior loop of sort*/ 194 struct sysinit *save; /* bubble*/ 195 196 if (sysinit == NULL) { 197 sysinit = SET_BEGIN(sysinit_set); 198 sysinit_end = SET_LIMIT(sysinit_set); 199 } 200 201 restart: 202 /* 203 * Perform a bubble sort of the system initialization objects by 204 * their subsystem (primary key) and order (secondary key). 205 */ 206 for (sipp = sysinit; sipp < sysinit_end; sipp++) { 207 for (xipp = sipp + 1; xipp < sysinit_end; xipp++) { 208 if ((*sipp)->subsystem < (*xipp)->subsystem || 209 ((*sipp)->subsystem == (*xipp)->subsystem && 210 (*sipp)->order <= (*xipp)->order)) 211 continue; /* skip*/ 212 save = *sipp; 213 *sipp = *xipp; 214 *xipp = save; 215 } 216 } 217 218 /* 219 * Traverse the (now) ordered list of system initialization tasks. 220 * Perform each task, and continue on to the next task. 221 * 222 * The last item on the list is expected to be the scheduler, 223 * which will not return. 224 */ 225 for (sipp = sysinit; sipp < sysinit_end; sipp++) { 226 sip = *sipp; 227 if (sip->subsystem == SI_SPECIAL_DUMMY) 228 continue; /* skip dummy task(s)*/ 229 230 if (sip->subsystem == SI_SPECIAL_DONE) 231 continue; 232 233 /* Call function */ 234 (*(sip->func))(sip->udata); 235 236 /* Check off the one we're just done */ 237 sip->subsystem = SI_SPECIAL_DONE; 238 239 /* Check if we've installed more sysinit items via KLD */ 240 if (newsysinit != NULL) { 241 if (sysinit != SET_BEGIN(sysinit_set)) 242 kfree(sysinit, M_TEMP); 243 sysinit = newsysinit; 244 sysinit_end = newsysinit_end; 245 newsysinit = NULL; 246 newsysinit_end = NULL; 247 goto restart; 248 } 249 } 250 251 panic("Shouldn't get here!"); 252 /* NOTREACHED*/ 253 } 254 255 256 /* 257 *************************************************************************** 258 **** 259 **** The following SYSINIT's belong elsewhere, but have not yet 260 **** been moved. 261 **** 262 *************************************************************************** 263 */ 264 static void 265 print_caddr_t(void *data __unused) 266 { 267 kprintf("%s", (char *)data); 268 } 269 SYSINIT(announce, SI_BOOT1_COPYRIGHT, SI_ORDER_FIRST, print_caddr_t, copyright) 270 271 /* 272 * Leave the critical section that protected us from spurious interrupts 273 * so device probes work. 274 */ 275 static void 276 leavecrit(void *dummy __unused) 277 { 278 MachIntrABI.finalize(); 279 cpu_enable_intr(); 280 MachIntrABI.cleanup(); 281 crit_exit(); 282 KKASSERT(!IN_CRITICAL_SECT(curthread)); 283 284 if (bootverbose) 285 kprintf("Leaving critical section, allowing interrupts\n"); 286 } 287 SYSINIT(leavecrit, SI_BOOT2_LEAVE_CRIT, SI_ORDER_ANY, leavecrit, NULL) 288 289 /* 290 * This is called after the threading system is up and running, 291 * including the softclock, clock interrupts, and SMP. 292 */ 293 static void 294 tsleepworks(void *dummy __unused) 295 { 296 tsleep_now_works = 1; 297 } 298 SYSINIT(tsleepworks, SI_BOOT2_FINISH_SMP, SI_ORDER_SECOND, tsleepworks, NULL) 299 300 /* 301 * This is called after devices have configured. Tell the kernel we are 302 * no longer in cold boot. 303 */ 304 static void 305 endofcoldboot(void *dummy __unused) 306 { 307 cold = 0; 308 } 309 SYSINIT(endofcoldboot, SI_SUB_ISWARM, SI_ORDER_ANY, endofcoldboot, NULL) 310 311 /* 312 *************************************************************************** 313 **** 314 **** The two following SYSINT's are proc0 specific glue code. I am not 315 **** convinced that they can not be safely combined, but their order of 316 **** operation has been maintained as the same as the original init_main.c 317 **** for right now. 318 **** 319 **** These probably belong in init_proc.c or kern_proc.c, since they 320 **** deal with proc0 (the fork template process). 321 **** 322 *************************************************************************** 323 */ 324 /* ARGSUSED*/ 325 static void 326 proc0_init(void *dummy __unused) 327 { 328 struct proc *p; 329 struct lwp *lp; 330 331 p = &proc0; 332 lp = &lwp0; 333 334 /* 335 * Initialize process and pgrp structures. 336 */ 337 procinit(); 338 339 /* 340 * additional VM structures 341 */ 342 vm_init2(); 343 344 /* 345 * Create process 0 (the swapper). 346 */ 347 LIST_INSERT_HEAD(&allproc, p, p_list); 348 p->p_pgrp = &pgrp0; 349 LIST_INSERT_HEAD(PGRPHASH(0), &pgrp0, pg_hash); 350 LIST_INIT(&pgrp0.pg_members); 351 LIST_INSERT_HEAD(&pgrp0.pg_members, p, p_pglist); 352 353 pgrp0.pg_session = &session0; 354 session0.s_count = 1; 355 session0.s_leader = p; 356 357 p->p_sysent = &aout_sysvec; 358 359 p->p_flag = P_SYSTEM; 360 p->p_stat = SACTIVE; 361 lp->lwp_stat = LSRUN; 362 p->p_nice = NZERO; 363 p->p_rtprio.type = RTP_PRIO_NORMAL; 364 p->p_rtprio.prio = 0; 365 lp->lwp_rtprio = p->p_rtprio; 366 367 p->p_peers = 0; 368 p->p_leader = p; 369 370 bcopy("swapper", p->p_comm, sizeof ("swapper")); 371 bcopy("swapper", thread0.td_comm, sizeof ("swapper")); 372 373 /* Create credentials. */ 374 p->p_ucred = crget(); 375 p->p_ucred->cr_ruidinfo = uifind(0); 376 p->p_ucred->cr_ngroups = 1; /* group 0 */ 377 p->p_ucred->cr_uidinfo = uifind(0); 378 379 /* Don't jail it */ 380 p->p_ucred->cr_prison = NULL; 381 382 /* Create sigacts. */ 383 p->p_sigacts = &sigacts0; 384 p->p_sigacts->ps_refcnt = 1; 385 386 /* Initialize signal state for process 0. */ 387 siginit(p); 388 389 /* Create the file descriptor table. */ 390 fdinit_bootstrap(p, &filedesc0, cmask); 391 392 /* Create the limits structures. */ 393 plimit_init0(&limit0); 394 p->p_limit = &limit0; 395 396 /* Allocate a prototype map so we have something to fork. */ 397 pmap_pinit0(vmspace_pmap(&vmspace0)); 398 p->p_vmspace = &vmspace0; 399 sysref_init(&vmspace0.vm_sysref, &vmspace_sysref_class); 400 vm_map_init(&vmspace0.vm_map, 401 round_page(VM_MIN_USER_ADDRESS), 402 trunc_page(VM_MAX_USER_ADDRESS), 403 vmspace_pmap(&vmspace0)); 404 sysref_activate(&vmspace0.vm_sysref); 405 406 /* 407 * Charge root for one process. 408 */ 409 (void)chgproccnt(p->p_ucred->cr_uidinfo, 1, 0); 410 vm_init_limits(p); 411 } 412 SYSINIT(p0init, SI_BOOT2_PROC0, SI_ORDER_FIRST, proc0_init, NULL) 413 414 static int proc0_post_callback(struct proc *p, void *data __unused); 415 416 /* ARGSUSED*/ 417 static void 418 proc0_post(void *dummy __unused) 419 { 420 struct timespec ts; 421 422 /* 423 * Now we can look at the time, having had a chance to verify the 424 * time from the file system. Pretend that proc0 started now. 425 */ 426 allproc_scan(proc0_post_callback, NULL); 427 428 /* 429 * Give the ``random'' number generator a thump. 430 * XXX: Does read_random() contain enough bits to be used here ? 431 */ 432 nanotime(&ts); 433 skrandom(ts.tv_sec ^ ts.tv_nsec); 434 } 435 436 static int 437 proc0_post_callback(struct proc *p, void *data __unused) 438 { 439 microtime(&p->p_start); 440 return(0); 441 } 442 443 SYSINIT(p0post, SI_SUB_PROC0_POST, SI_ORDER_FIRST, proc0_post, NULL) 444 445 /* 446 *************************************************************************** 447 **** 448 **** The following SYSINIT's and glue code should be moved to the 449 **** respective files on a per subsystem basis. 450 **** 451 *************************************************************************** 452 */ 453 454 455 /* 456 *************************************************************************** 457 **** 458 **** The following code probably belongs in another file, like 459 **** kern/init_init.c. 460 **** 461 *************************************************************************** 462 */ 463 464 /* 465 * List of paths to try when searching for "init". 466 */ 467 static char init_path[MAXPATHLEN] = 468 #ifdef INIT_PATH 469 __XSTRING(INIT_PATH); 470 #else 471 "/sbin/init:/sbin/oinit:/sbin/init.bak:/stand/sysinstall"; 472 #endif 473 SYSCTL_STRING(_kern, OID_AUTO, init_path, CTLFLAG_RD, init_path, 0, ""); 474 475 /* 476 * Start the initial user process; try exec'ing each pathname in init_path. 477 * The program is invoked with one argument containing the boot flags. 478 * 479 * The MP lock is held on entry. 480 */ 481 static void 482 start_init(void *dummy, struct trapframe *frame) 483 { 484 vm_offset_t addr; 485 struct execve_args args; 486 int options, error; 487 char *var, *path, *next, *s; 488 char *ucp, **uap, *arg0, *arg1; 489 struct proc *p; 490 struct lwp *lp; 491 struct mount *mp; 492 struct vnode *vp; 493 494 p = curproc; 495 496 lp = ONLY_LWP_IN_PROC(p); 497 498 /* Get the vnode for '/'. Set p->p_fd->fd_cdir to reference it. */ 499 mp = mountlist_boot_getfirst(); 500 if (VFS_ROOT(mp, &vp)) 501 panic("cannot find root vnode"); 502 if (mp->mnt_ncmountpt.ncp == NULL) { 503 cache_allocroot(&mp->mnt_ncmountpt, mp, vp); 504 cache_unlock(&mp->mnt_ncmountpt); /* leave ref intact */ 505 } 506 p->p_fd->fd_cdir = vp; 507 vref(p->p_fd->fd_cdir); 508 p->p_fd->fd_rdir = vp; 509 vref(p->p_fd->fd_rdir); 510 vfs_cache_setroot(vp, cache_hold(&mp->mnt_ncmountpt)); 511 vn_unlock(vp); /* leave ref intact */ 512 cache_copy(&mp->mnt_ncmountpt, &p->p_fd->fd_ncdir); 513 cache_copy(&mp->mnt_ncmountpt, &p->p_fd->fd_nrdir); 514 515 /* 516 * Need just enough stack to hold the faked-up "execve()" arguments. 517 */ 518 addr = trunc_page(USRSTACK - PAGE_SIZE); 519 error = vm_map_find(&p->p_vmspace->vm_map, NULL, 0, &addr, PAGE_SIZE, 520 FALSE, 521 VM_MAPTYPE_NORMAL, 522 VM_PROT_ALL, VM_PROT_ALL, 523 0); 524 if (error) 525 panic("init: couldn't allocate argument space"); 526 p->p_vmspace->vm_maxsaddr = (caddr_t)addr; 527 p->p_vmspace->vm_ssize = 1; 528 529 if ((var = kgetenv("init_path")) != NULL) { 530 strncpy(init_path, var, sizeof init_path); 531 init_path[sizeof init_path - 1] = 0; 532 } 533 if ((var = kgetenv("kern.fallback_elf_brand")) != NULL) 534 fallback_elf_brand = strtol(var, NULL, 0); 535 536 for (path = init_path; *path != '\0'; path = next) { 537 while (*path == ':') 538 path++; 539 if (*path == '\0') 540 break; 541 for (next = path; *next != '\0' && *next != ':'; next++) 542 /* nothing */ ; 543 if (bootverbose) 544 kprintf("start_init: trying %.*s\n", (int)(next - path), 545 path); 546 547 /* 548 * Move out the boot flag argument. 549 */ 550 options = 0; 551 ucp = (char *)USRSTACK; 552 (void)subyte(--ucp, 0); /* trailing zero */ 553 if (boothowto & RB_SINGLE) { 554 (void)subyte(--ucp, 's'); 555 options = 1; 556 } 557 #ifdef notyet 558 if (boothowto & RB_FASTBOOT) { 559 (void)subyte(--ucp, 'f'); 560 options = 1; 561 } 562 #endif 563 564 #ifdef BOOTCDROM 565 (void)subyte(--ucp, 'C'); 566 options = 1; 567 #endif 568 if (options == 0) 569 (void)subyte(--ucp, '-'); 570 (void)subyte(--ucp, '-'); /* leading hyphen */ 571 arg1 = ucp; 572 573 /* 574 * Move out the file name (also arg 0). 575 */ 576 (void)subyte(--ucp, 0); 577 for (s = next - 1; s >= path; s--) 578 (void)subyte(--ucp, *s); 579 arg0 = ucp; 580 581 /* 582 * Move out the arg pointers. 583 */ 584 uap = (char **)((intptr_t)ucp & ~(sizeof(intptr_t)-1)); 585 (void)suword((caddr_t)--uap, (long)0); /* terminator */ 586 (void)suword((caddr_t)--uap, (long)(intptr_t)arg1); 587 (void)suword((caddr_t)--uap, (long)(intptr_t)arg0); 588 589 /* 590 * Point at the arguments. 591 */ 592 args.fname = arg0; 593 args.argv = uap; 594 args.envv = NULL; 595 596 /* 597 * Now try to exec the program. If can't for any reason 598 * other than it doesn't exist, complain. 599 * 600 * Otherwise, return via fork_trampoline() all the way 601 * to user mode as init! 602 * 603 * WARNING! We may have been moved to another cpu after 604 * acquiring the current user process designation. The 605 * MP lock will migrate with us though so we still have to 606 * release it. 607 */ 608 if ((error = sys_execve(&args)) == 0) { 609 rel_mplock(); 610 lp->lwp_proc->p_usched->acquire_curproc(lp); 611 return; 612 } 613 if (error != ENOENT) 614 kprintf("exec %.*s: error %d\n", (int)(next - path), 615 path, error); 616 } 617 kprintf("init: not found in path %s\n", init_path); 618 panic("no init"); 619 } 620 621 /* 622 * Like kthread_create(), but runs in it's own address space. 623 * We do this early to reserve pid 1. 624 * 625 * Note special case - do not make it runnable yet. Other work 626 * in progress will change this more. 627 */ 628 static void 629 create_init(const void *udata __unused) 630 { 631 int error; 632 struct lwp *lp; 633 634 crit_enter(); 635 error = fork1(&lwp0, RFFDG | RFPROC, &initproc); 636 if (error) 637 panic("cannot fork init: %d", error); 638 initproc->p_flag |= P_SYSTEM; 639 lp = ONLY_LWP_IN_PROC(initproc); 640 cpu_set_fork_handler(lp, start_init, NULL); 641 crit_exit(); 642 } 643 SYSINIT(init, SI_SUB_CREATE_INIT, SI_ORDER_FIRST, create_init, NULL) 644 645 /* 646 * Make it runnable now. 647 */ 648 static void 649 kick_init(const void *udata __unused) 650 { 651 start_forked_proc(&lwp0, initproc); 652 } 653 SYSINIT(kickinit, SI_SUB_KTHREAD_INIT, SI_ORDER_FIRST, kick_init, NULL) 654 655 /* 656 * Machine independant globaldata initialization 657 * 658 * WARNING! Called from early boot, 'mycpu' may not work yet. 659 */ 660 void 661 mi_gdinit(struct globaldata *gd, int cpuid) 662 { 663 TAILQ_INIT(&gd->gd_tdfreeq); /* for pmap_{new,dispose}_thread() */ 664 TAILQ_INIT(&gd->gd_systimerq); 665 gd->gd_sysid_alloc = cpuid; /* prime low bits for cpu lookup */ 666 gd->gd_cpuid = cpuid; 667 gd->gd_cpumask = (cpumask_t)1 << cpuid; 668 lwkt_gdinit(gd); 669 vm_map_entry_reserve_cpu_init(gd); 670 sleep_gdinit(gd); 671 } 672 673