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 1.87 2008/06/07 11:37:23 mneumann 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 #include <sys/spinlock2.h> 70 71 #include <machine/cpu.h> 72 73 #include <vm/vm.h> 74 #include <vm/vm_param.h> 75 #include <sys/lock.h> 76 #include <vm/pmap.h> 77 #include <vm/vm_map.h> 78 #include <vm/vm_extern.h> 79 #include <sys/user.h> 80 #include <sys/copyright.h> 81 82 /* Components of the first process -- never freed. */ 83 static struct session session0; 84 static struct pgrp pgrp0; 85 static struct sigacts sigacts0; 86 static struct filedesc filedesc0; 87 static struct plimit limit0; 88 static struct vmspace vmspace0; 89 struct proc *initproc; 90 struct proc proc0; 91 struct lwp lwp0; 92 struct thread thread0; 93 94 int cmask = CMASK; 95 extern struct user *proc0paddr; 96 extern int fallback_elf_brand; 97 98 int boothowto = 0; /* initialized so that it can be patched */ 99 SYSCTL_INT(_debug, OID_AUTO, boothowto, CTLFLAG_RD, &boothowto, 0, ""); 100 101 /* 102 * This ensures that there is at least one entry so that the sysinit_set 103 * symbol is not undefined. A subsystem ID of SI_SPECIAL_DUMMY is never 104 * executed. 105 */ 106 SYSINIT(placeholder, SI_SPECIAL_DUMMY, SI_ORDER_ANY, NULL, NULL) 107 108 /* 109 * The sysinit table itself. Items are checked off as the are run. 110 * If we want to register new sysinit types, add them to newsysinit. 111 */ 112 SET_DECLARE(sysinit_set, struct sysinit); 113 struct sysinit **sysinit, **sysinit_end; 114 struct sysinit **newsysinit, **newsysinit_end; 115 116 117 /* 118 * Merge a new sysinit set into the current set, reallocating it if 119 * necessary. This can only be called after malloc is running. 120 */ 121 void 122 sysinit_add(struct sysinit **set, struct sysinit **set_end) 123 { 124 struct sysinit **newset; 125 struct sysinit **sipp; 126 struct sysinit **xipp; 127 int count; 128 129 count = set_end - set; 130 if (newsysinit) 131 count += newsysinit_end - newsysinit; 132 else 133 count += sysinit_end - sysinit; 134 newset = kmalloc(count * sizeof(*sipp), M_TEMP, M_WAITOK); 135 xipp = newset; 136 if (newsysinit) { 137 for (sipp = newsysinit; sipp < newsysinit_end; sipp++) 138 *xipp++ = *sipp; 139 } else { 140 for (sipp = sysinit; sipp < sysinit_end; sipp++) 141 *xipp++ = *sipp; 142 } 143 for (sipp = set; sipp < set_end; sipp++) 144 *xipp++ = *sipp; 145 if (newsysinit) 146 kfree(newsysinit, M_TEMP); 147 newsysinit = newset; 148 newsysinit_end = newset + count; 149 } 150 151 /* 152 * Callbacks from machine-dependant startup code (e.g. init386) to set 153 * up low level entities related to cpu #0's globaldata. 154 * 155 * Called from very low level boot code. 156 */ 157 void 158 mi_proc0init(struct globaldata *gd, struct user *proc0paddr) 159 { 160 lwkt_init_thread(&thread0, proc0paddr, LWKT_THREAD_STACK, 0, gd); 161 lwkt_set_comm(&thread0, "thread0"); 162 RB_INIT(&proc0.p_lwp_tree); 163 spin_init(&proc0.p_spin); 164 proc0.p_lasttid = 0; /* +1 = next TID */ 165 lwp_rb_tree_RB_INSERT(&proc0.p_lwp_tree, &lwp0); 166 lwp0.lwp_thread = &thread0; 167 lwp0.lwp_proc = &proc0; 168 proc0.p_usched = usched_init(); 169 lwp0.lwp_cpumask = 0xFFFFFFFF; 170 varsymset_init(&proc0.p_varsymset, NULL); 171 thread0.td_flags |= TDF_RUNNING; 172 thread0.td_proc = &proc0; 173 thread0.td_lwp = &lwp0; 174 thread0.td_switch = cpu_lwkt_switch; 175 lwkt_schedule_self(curthread); 176 } 177 178 /* 179 * System startup; initialize the world, create process 0, mount root 180 * filesystem, and fork to create init and pagedaemon. Most of the 181 * hard work is done in the lower-level initialization routines including 182 * startup(), which does memory initialization and autoconfiguration. 183 * 184 * This allows simple addition of new kernel subsystems that require 185 * boot time initialization. It also allows substitution of subsystem 186 * (for instance, a scheduler, kernel profiler, or VM system) by object 187 * module. Finally, it allows for optional "kernel threads". 188 */ 189 void 190 mi_startup(void) 191 { 192 struct sysinit *sip; /* system initialization*/ 193 struct sysinit **sipp; /* system initialization*/ 194 struct sysinit **xipp; /* interior loop of sort*/ 195 struct sysinit *save; /* bubble*/ 196 197 //kprintf0("mi_startup\n"); 198 199 if (sysinit == NULL) { 200 sysinit = SET_BEGIN(sysinit_set); 201 sysinit_end = SET_LIMIT(sysinit_set); 202 } 203 204 restart: 205 /* 206 * Perform a bubble sort of the system initialization objects by 207 * their subsystem (primary key) and order (secondary key). 208 */ 209 for (sipp = sysinit; sipp < sysinit_end; sipp++) { 210 for (xipp = sipp + 1; xipp < sysinit_end; xipp++) { 211 if ((*sipp)->subsystem < (*xipp)->subsystem || 212 ((*sipp)->subsystem == (*xipp)->subsystem && 213 (*sipp)->order <= (*xipp)->order)) 214 continue; /* skip*/ 215 save = *sipp; 216 *sipp = *xipp; 217 *xipp = save; 218 } 219 } 220 221 /* 222 * Traverse the (now) ordered list of system initialization tasks. 223 * Perform each task, and continue on to the next task. 224 * 225 * The last item on the list is expected to be the scheduler, 226 * which will not return. 227 */ 228 for (sipp = sysinit; sipp < sysinit_end; sipp++) { 229 sip = *sipp; 230 if (sip->subsystem == SI_SPECIAL_DUMMY) 231 continue; /* skip dummy task(s)*/ 232 233 if (sip->subsystem == SI_SPECIAL_DONE) 234 continue; 235 236 //kprintf0("!%s!", sip->name); 237 238 /* Call function */ 239 (*(sip->func))(sip->udata); 240 241 /* Check off the one we're just done */ 242 sip->subsystem = SI_SPECIAL_DONE; 243 244 /* Check if we've installed more sysinit items via KLD */ 245 if (newsysinit != NULL) { 246 if (sysinit != SET_BEGIN(sysinit_set)) 247 kfree(sysinit, M_TEMP); 248 sysinit = newsysinit; 249 sysinit_end = newsysinit_end; 250 newsysinit = NULL; 251 newsysinit_end = NULL; 252 goto restart; 253 } 254 } 255 256 panic("Shouldn't get here!"); 257 /* NOTREACHED*/ 258 } 259 260 261 /* 262 *************************************************************************** 263 **** 264 **** The following SYSINIT's belong elsewhere, but have not yet 265 **** been moved. 266 **** 267 *************************************************************************** 268 */ 269 static void 270 print_caddr_t(void *data __unused) 271 { 272 kprintf("%s", (char *)data); 273 } 274 SYSINIT(announce, SI_BOOT1_COPYRIGHT, SI_ORDER_FIRST, print_caddr_t, copyright) 275 276 /* 277 * Leave the critical section that protected us from spurious interrupts 278 * so device probes work. 279 */ 280 static void 281 leavecrit(void *dummy __unused) 282 { 283 MachIntrABI.finalize(); 284 cpu_enable_intr(); 285 MachIntrABI.cleanup(); 286 crit_exit(); 287 KKASSERT(!IN_CRITICAL_SECT(curthread)); 288 289 if (bootverbose) 290 kprintf("Leaving critical section, allowing interrupts\n"); 291 } 292 SYSINIT(leavecrit, SI_BOOT2_LEAVE_CRIT, SI_ORDER_ANY, leavecrit, NULL) 293 294 /* 295 * This is called after the threading system is up and running, 296 * including the softclock, clock interrupts, and SMP. 297 */ 298 static void 299 tsleepworks(void *dummy __unused) 300 { 301 tsleep_now_works = 1; 302 } 303 SYSINIT(tsleepworks, SI_BOOT2_FINISH_SMP, SI_ORDER_SECOND, tsleepworks, NULL) 304 305 /* 306 * This is called after devices have configured. Tell the kernel we are 307 * no longer in cold boot. 308 */ 309 static void 310 endofcoldboot(void *dummy __unused) 311 { 312 cold = 0; 313 } 314 SYSINIT(endofcoldboot, SI_SUB_ISWARM, SI_ORDER_ANY, endofcoldboot, NULL) 315 316 /* 317 *************************************************************************** 318 **** 319 **** The two following SYSINT's are proc0 specific glue code. I am not 320 **** convinced that they can not be safely combined, but their order of 321 **** operation has been maintained as the same as the original init_main.c 322 **** for right now. 323 **** 324 **** These probably belong in init_proc.c or kern_proc.c, since they 325 **** deal with proc0 (the fork template process). 326 **** 327 *************************************************************************** 328 */ 329 /* ARGSUSED*/ 330 static void 331 proc0_init(void *dummy __unused) 332 { 333 struct proc *p; 334 struct lwp *lp; 335 336 p = &proc0; 337 lp = &lwp0; 338 339 /* 340 * Initialize process and pgrp structures. 341 */ 342 procinit(); 343 344 /* 345 * additional VM structures 346 */ 347 vm_init2(); 348 349 /* 350 * Create process 0 (the swapper). 351 */ 352 LIST_INSERT_HEAD(&allproc, p, p_list); 353 p->p_pgrp = &pgrp0; 354 LIST_INSERT_HEAD(PGRPHASH(0), &pgrp0, pg_hash); 355 LIST_INIT(&pgrp0.pg_members); 356 LIST_INSERT_HEAD(&pgrp0.pg_members, p, p_pglist); 357 358 pgrp0.pg_session = &session0; 359 session0.s_count = 1; 360 session0.s_leader = p; 361 362 p->p_sysent = &aout_sysvec; 363 364 p->p_flag = P_SYSTEM; 365 p->p_stat = SACTIVE; 366 lp->lwp_stat = LSRUN; 367 p->p_nice = NZERO; 368 p->p_rtprio.type = RTP_PRIO_NORMAL; 369 p->p_rtprio.prio = 0; 370 lp->lwp_rtprio = p->p_rtprio; 371 372 p->p_peers = 0; 373 p->p_leader = p; 374 375 bcopy("swapper", p->p_comm, sizeof ("swapper")); 376 bcopy("swapper", thread0.td_comm, sizeof ("swapper")); 377 378 /* Create credentials. */ 379 p->p_ucred = crget(); 380 p->p_ucred->cr_ruidinfo = uifind(0); 381 p->p_ucred->cr_ngroups = 1; /* group 0 */ 382 p->p_ucred->cr_uidinfo = uifind(0); 383 384 /* Don't jail it */ 385 p->p_ucred->cr_prison = NULL; 386 387 /* Create sigacts. */ 388 p->p_sigacts = &sigacts0; 389 p->p_sigacts->ps_refcnt = 1; 390 391 /* Initialize signal state for process 0. */ 392 siginit(p); 393 394 /* Create the file descriptor table. */ 395 fdinit_bootstrap(p, &filedesc0, cmask); 396 397 /* Create the limits structures. */ 398 plimit_init0(&limit0); 399 p->p_limit = &limit0; 400 401 /* Allocate a prototype map so we have something to fork. */ 402 pmap_pinit0(vmspace_pmap(&vmspace0)); 403 p->p_vmspace = &vmspace0; 404 lp->lwp_vmspace = p->p_vmspace; 405 sysref_init(&vmspace0.vm_sysref, &vmspace_sysref_class); 406 vm_map_init(&vmspace0.vm_map, 407 round_page(VM_MIN_USER_ADDRESS), 408 trunc_page(VM_MAX_USER_ADDRESS), 409 vmspace_pmap(&vmspace0)); 410 sysref_activate(&vmspace0.vm_sysref); 411 412 /* 413 * Charge root for one process. 414 */ 415 (void)chgproccnt(p->p_ucred->cr_uidinfo, 1, 0); 416 vm_init_limits(p); 417 } 418 SYSINIT(p0init, SI_BOOT2_PROC0, SI_ORDER_FIRST, proc0_init, NULL) 419 420 static int proc0_post_callback(struct proc *p, void *data __unused); 421 422 /* ARGSUSED*/ 423 static void 424 proc0_post(void *dummy __unused) 425 { 426 struct timespec ts; 427 428 /* 429 * Now we can look at the time, having had a chance to verify the 430 * time from the file system. Pretend that proc0 started now. 431 */ 432 allproc_scan(proc0_post_callback, NULL); 433 434 /* 435 * Give the ``random'' number generator a thump. 436 * XXX: Does read_random() contain enough bits to be used here ? 437 */ 438 nanotime(&ts); 439 skrandom(ts.tv_sec ^ ts.tv_nsec); 440 } 441 442 static int 443 proc0_post_callback(struct proc *p, void *data __unused) 444 { 445 microtime(&p->p_start); 446 return(0); 447 } 448 449 SYSINIT(p0post, SI_SUB_PROC0_POST, SI_ORDER_FIRST, proc0_post, NULL) 450 451 /* 452 *************************************************************************** 453 **** 454 **** The following SYSINIT's and glue code should be moved to the 455 **** respective files on a per subsystem basis. 456 **** 457 *************************************************************************** 458 */ 459 460 461 /* 462 *************************************************************************** 463 **** 464 **** The following code probably belongs in another file, like 465 **** kern/init_init.c. 466 **** 467 *************************************************************************** 468 */ 469 470 /* 471 * List of paths to try when searching for "init". 472 */ 473 static char init_path[MAXPATHLEN] = 474 #ifdef INIT_PATH 475 __XSTRING(INIT_PATH); 476 #else 477 "/sbin/init:/sbin/oinit:/sbin/init.bak"; 478 #endif 479 SYSCTL_STRING(_kern, OID_AUTO, init_path, CTLFLAG_RD, init_path, 0, ""); 480 481 /* 482 * Start the initial user process; try exec'ing each pathname in init_path. 483 * The program is invoked with one argument containing the boot flags. 484 * 485 * The MP lock is held on entry. 486 */ 487 static void 488 start_init(void *dummy, struct trapframe *frame) 489 { 490 vm_offset_t addr; 491 struct execve_args args; 492 int options, error; 493 char *var, *path, *next, *s; 494 char *ucp, **uap, *arg0, *arg1; 495 struct proc *p; 496 struct lwp *lp; 497 struct mount *mp; 498 struct vnode *vp; 499 500 p = curproc; 501 502 lp = ONLY_LWP_IN_PROC(p); 503 504 /* Get the vnode for '/'. Set p->p_fd->fd_cdir to reference it. */ 505 mp = mountlist_boot_getfirst(); 506 if (VFS_ROOT(mp, &vp)) 507 panic("cannot find root vnode"); 508 if (mp->mnt_ncmountpt.ncp == NULL) { 509 cache_allocroot(&mp->mnt_ncmountpt, mp, vp); 510 cache_unlock(&mp->mnt_ncmountpt); /* leave ref intact */ 511 } 512 p->p_fd->fd_cdir = vp; 513 vref(p->p_fd->fd_cdir); 514 p->p_fd->fd_rdir = vp; 515 vref(p->p_fd->fd_rdir); 516 vfs_cache_setroot(vp, cache_hold(&mp->mnt_ncmountpt)); 517 vn_unlock(vp); /* leave ref intact */ 518 cache_copy(&mp->mnt_ncmountpt, &p->p_fd->fd_ncdir); 519 cache_copy(&mp->mnt_ncmountpt, &p->p_fd->fd_nrdir); 520 521 /* 522 * Need just enough stack to hold the faked-up "execve()" arguments. 523 */ 524 addr = trunc_page(USRSTACK - PAGE_SIZE); 525 error = vm_map_find(&p->p_vmspace->vm_map, NULL, 0, &addr, PAGE_SIZE, 526 FALSE, 527 VM_MAPTYPE_NORMAL, 528 VM_PROT_ALL, VM_PROT_ALL, 529 0); 530 if (error) 531 panic("init: couldn't allocate argument space"); 532 p->p_vmspace->vm_maxsaddr = (caddr_t)addr; 533 p->p_vmspace->vm_ssize = 1; 534 535 if ((var = kgetenv("init_path")) != NULL) { 536 strncpy(init_path, var, sizeof init_path); 537 init_path[sizeof init_path - 1] = 0; 538 } 539 if ((var = kgetenv("kern.fallback_elf_brand")) != NULL) 540 fallback_elf_brand = strtol(var, NULL, 0); 541 542 for (path = init_path; *path != '\0'; path = next) { 543 while (*path == ':') 544 path++; 545 if (*path == '\0') 546 break; 547 for (next = path; *next != '\0' && *next != ':'; next++) 548 /* nothing */ ; 549 if (bootverbose) 550 kprintf("start_init: trying %.*s\n", (int)(next - path), 551 path); 552 553 /* 554 * Move out the boot flag argument. 555 */ 556 options = 0; 557 ucp = (char *)USRSTACK; 558 (void)subyte(--ucp, 0); /* trailing zero */ 559 if (boothowto & RB_SINGLE) { 560 (void)subyte(--ucp, 's'); 561 options = 1; 562 } 563 #ifdef notyet 564 if (boothowto & RB_FASTBOOT) { 565 (void)subyte(--ucp, 'f'); 566 options = 1; 567 } 568 #endif 569 570 #ifdef BOOTCDROM 571 (void)subyte(--ucp, 'C'); 572 options = 1; 573 #endif 574 if (options == 0) 575 (void)subyte(--ucp, '-'); 576 (void)subyte(--ucp, '-'); /* leading hyphen */ 577 arg1 = ucp; 578 579 /* 580 * Move out the file name (also arg 0). 581 */ 582 (void)subyte(--ucp, 0); 583 for (s = next - 1; s >= path; s--) 584 (void)subyte(--ucp, *s); 585 arg0 = ucp; 586 587 /* 588 * Move out the arg pointers. 589 */ 590 uap = (char **)((intptr_t)ucp & ~(sizeof(intptr_t)-1)); 591 (void)suword((caddr_t)--uap, (long)0); /* terminator */ 592 (void)suword((caddr_t)--uap, (long)(intptr_t)arg1); 593 (void)suword((caddr_t)--uap, (long)(intptr_t)arg0); 594 595 /* 596 * Point at the arguments. 597 */ 598 args.fname = arg0; 599 args.argv = uap; 600 args.envv = NULL; 601 602 /* 603 * Now try to exec the program. If can't for any reason 604 * other than it doesn't exist, complain. 605 * 606 * Otherwise, return via fork_trampoline() all the way 607 * to user mode as init! 608 * 609 * WARNING! We may have been moved to another cpu after 610 * acquiring the current user process designation. The 611 * MP lock will migrate with us though so we still have to 612 * release it. 613 */ 614 if ((error = sys_execve(&args)) == 0) { 615 rel_mplock(); 616 lp->lwp_proc->p_usched->acquire_curproc(lp); 617 return; 618 } 619 if (error != ENOENT) 620 kprintf("exec %.*s: error %d\n", (int)(next - path), 621 path, error); 622 } 623 kprintf("init: not found in path %s\n", init_path); 624 panic("no init"); 625 } 626 627 /* 628 * Like kthread_create(), but runs in it's own address space. 629 * We do this early to reserve pid 1. 630 * 631 * Note special case - do not make it runnable yet. Other work 632 * in progress will change this more. 633 */ 634 static void 635 create_init(const void *udata __unused) 636 { 637 int error; 638 struct lwp *lp; 639 640 crit_enter(); 641 error = fork1(&lwp0, RFFDG | RFPROC, &initproc); 642 if (error) 643 panic("cannot fork init: %d", error); 644 initproc->p_flag |= P_SYSTEM; 645 lp = ONLY_LWP_IN_PROC(initproc); 646 cpu_set_fork_handler(lp, start_init, NULL); 647 crit_exit(); 648 } 649 SYSINIT(init, SI_SUB_CREATE_INIT, SI_ORDER_FIRST, create_init, NULL) 650 651 /* 652 * Make it runnable now. 653 */ 654 static void 655 kick_init(const void *udata __unused) 656 { 657 start_forked_proc(&lwp0, initproc); 658 } 659 SYSINIT(kickinit, SI_SUB_KTHREAD_INIT, SI_ORDER_FIRST, kick_init, NULL) 660 661 /* 662 * Machine independant globaldata initialization 663 * 664 * WARNING! Called from early boot, 'mycpu' may not work yet. 665 */ 666 void 667 mi_gdinit(struct globaldata *gd, int cpuid) 668 { 669 TAILQ_INIT(&gd->gd_systimerq); 670 gd->gd_sysid_alloc = cpuid; /* prime low bits for cpu lookup */ 671 gd->gd_cpuid = cpuid; 672 gd->gd_cpumask = (cpumask_t)1 << cpuid; 673 lwkt_gdinit(gd); 674 vm_map_entry_reserve_cpu_init(gd); 675 sleep_gdinit(gd); 676 } 677 678