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c1df4ef16b
NetBSD/sys/kern
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pgoyette c1df4ef16b In module_do_load(), consolidate checking for a pre-existing module, 
and return a single error value EEXIST.  When making a recursive
call (to load required modules), treat a pre-existing module as
success.

Without this change, when a module was loaded by specific request
(as opposed to being loaded as a requirement of some other module),
we would always load the module from the file-system, and then
after making various sanity/compatability checks we would destroy
the new copy if there was a pre-existing copy.

Fixes PR kern/40764

XXX Note that if the module exists, we bypass all of the various
XXX "compatability" checks, including whether or not the existing
XXX module is of any particular class!  (In the previous code, we
XXX checked to see if the newly-loaded copy had the correct class,
XXX but not the pre-existing copy, which could have been loaded
XXX from a different path/filename.)
2016-02-06 22:48:07 +00:00
..
bufq_disksort.c
bufq_fcfs.c
bufq_priocscan.c Mark a diagnostic only variable 2014-01-28 12:50:54 +00:00
bufq_readprio.c
cnmagic.c
core_elf32.c If we are writing PN_XNUM or more phdrs, include one section header and 2014-04-02 17:19:49 +00:00
core_elf64.c
core_netbsd.c Re-instate the zero length sections in elf core dumps (they probably help 2014-01-07 07:59:03 +00:00
exec_aout.c Remove spurious . 2014-03-07 01:55:01 +00:00
exec_ecoff.c c99 initializers for struct execsw 2014-03-07 01:33:43 +00:00
exec_elf32.c 1) On 64bit systems, don't add the 32bit execsw[] to the global exec array. 2014-07-22 08:18:33 +00:00
exec_elf64.c 1) On 64bit systems, don't add the 32bit execsw[] to the global exec array. 2014-07-22 08:18:33 +00:00
exec_elf.c We never exec(2) with a kernel vmspace, so do not test for that, but instead 2015-11-26 13:15:34 +00:00
exec_script.c Try not to use f_data, use f_{vnode,socket,pipe,mqueue,kqueue,ksem} to get 2014-09-05 09:20:59 +00:00
exec_subr.c Revamp the way processes are PaX'ed in the kernel. Sent on tech-kern@ two 2015-09-26 16:12:24 +00:00
files.kern Merge the compat_sysv module into the sysv_ipc module - it should 2015-12-03 02:51:00 +00:00
genlintstub.awk
init_main.c Replace DIOCGPART -> DIOCGPARTINFO which returns the data needed instead of 2015-12-08 20:36:14 +00:00
init_sysctl_base.c Move a bunch of sysctl nodes from init_sysctl (kitchen sink sysctl file) 2015-08-25 14:52:31 +00:00
init_sysctl.c Whether or not the semaphore code is loaded as a module or built-in, its 2015-11-09 01:21:18 +00:00
init_sysent.c regen syscall files 2016-01-26 23:49:46 +00:00
kern_acct.c use __USE() where appropriate. 2013-10-19 21:01:39 +00:00
kern_auth.c Expose struct kauth_cred for the benefit of the debugger. I can't convince gcc 2015-10-06 22:13:39 +00:00
kern_cctr.c
kern_cfglock.c
kern_clock.c opt_ntp.h is no longer used in kern_clock.c 2015-04-22 16:46:58 +00:00
kern_condvar.c o Don't include sys/sched.h. Scheduler-related operation is done by 2015-08-07 06:22:12 +00:00
kern_core.c Fix a read-beyond-end string read. 2014-04-22 19:01:47 +00:00
kern_cpu.c Don't decrement the number of offline cpus if we fail to shut down one. 2015-08-29 12:24:00 +00:00
kern_ctf.c src is too big these days to tolerate superfluous apostrophes. It's 2014-10-18 08:33:23 +00:00
kern_descrip.c 1. mask fflags so we don't tack on whateve oflags were passed from userland 2015-08-03 04:55:15 +00:00
kern_drvctl.c don't release mutexes you did not enter? Please develop with LOCKDEBUG on! 2015-12-07 20:01:43 +00:00
kern_event.c PR/50730: Benny Siegert: Go kqueue test panics kernel. 2016-01-31 04:40:01 +00:00
kern_exec.c Make the list of syscalls which can trigger a module autoload an 2015-11-30 22:47:19 +00:00
kern_exit.c Update value of p_stat before we release the proc_lock. Thanks to 2015-10-13 06:47:21 +00:00
kern_fileassoc.c table can't be NULL here. 2014-07-10 15:00:28 +00:00
kern_fork.c When doing an unlock/relock dance to avoid lock inversion, it's important 2016-01-09 07:52:38 +00:00
kern_history.c if NUSB == 0, don't look for usbhist. 2015-10-29 18:40:19 +00:00
kern_hook.c convert vmem, signals, powerhooks from CIRCLEQ -> TAILQ. 2013-11-22 21:04:11 +00:00
kern_idle.c
kern_ksyms_buf.c Use makeoptions_COPY_SYMTAB via opt_copy_symtab.h in sources. Remove a hack 2015-08-30 01:46:02 +00:00
kern_ksyms.c KSYMS_MAX_ID is too small for i386 kernels built with MKDEBUG=yes, 2015-12-27 20:52:25 +00:00
kern_kthread.c Remove the unused and all-but-unusable kthread_destroy(). Also makes 2015-04-21 11:10:29 +00:00
kern_ktrace_vfs.c Try not to use f_data, use f_{vnode,socket,pipe,mqueue,kqueue,ksem} to get 2014-09-05 09:20:59 +00:00
kern_ktrace.c Replace callout_stop with callout_halt 2014-11-21 09:40:10 +00:00
kern_lock.c Trailing whitespace 2015-04-11 15:24:25 +00:00
kern_lwp.c We never exec(2) with a kernel vmspace, so do not test for that, but instead 2015-11-26 13:15:34 +00:00
kern_malloc.c Don't include <uvm/uvm_extern.h> 2015-02-06 18:21:29 +00:00
kern_module_vfs.c print kernel module path only in kernels which support paths 2014-12-02 13:00:38 +00:00
kern_module.c In module_do_load(), consolidate checking for a pre-existing module, 2016-02-06 22:48:07 +00:00
kern_mutex_obj.c
kern_mutex.c typo 2015-05-25 21:02:37 +00:00
kern_ntptime.c Cast argument to uint64_t first before shifting to avoid UB for 2015-11-23 23:45:44 +00:00
kern_pax.c PR/50312: Robert Elz: Unconditionally include <sys/exec.h> to fix compilation 2015-10-09 02:00:59 +00:00
kern_physio.c Don't check if constant-sized KM_SLEEP allocations succeeded. 2015-04-21 10:54:52 +00:00
kern_pmf.c Remove this MALLOC_DEFINE (M_PMF unused). 2015-02-13 13:26:50 +00:00
kern_proc.c implementation of KERN_PROC_PATHNAME, some refactoring for KERN_PROC. 2015-09-24 14:33:01 +00:00
kern_prot.c to garnish, dust with _KERNEL_OPT 2015-08-24 22:50:32 +00:00
kern_ras.c Push/Pop pragma magic to avoid gcc warning aber a less-than NULL comparision 2013-09-14 20:46:27 +00:00
kern_rate.c
kern_resource.c src is too big these days to tolerate superfluous apostrophes. It's 2014-10-18 08:33:23 +00:00
kern_rndpool.c Turn a kassert into a more appropriately placed ctassert. 2015-04-21 04:41:36 +00:00
kern_rndq.c memset() -> explicit_memset() for sensitive data. 2016-01-11 14:55:52 +00:00
kern_rndsink.c Save some space: use one condvar for all rndsinks. Not a hot spot. 2015-04-21 04:24:16 +00:00
kern_runq.c provide curthread for dtrace 2015-10-07 00:32:34 +00:00
kern_rwlock_obj.c
kern_rwlock.c Consistently use KPREEMPT_*() here. 2014-11-28 08:27:27 +00:00
kern_sdt.c Change SDT (Statically Defined Tracing) probes to use link sets so that it 2015-10-02 16:54:15 +00:00
kern_sig.c When delivering a signal, it's possible that the process's state in 2015-10-13 07:00:59 +00:00
kern_sleepq.c Don't next structure and enum definitions. 2014-09-05 05:57:21 +00:00
kern_softint.c fix the following softint parallel operation problem. 2015-12-24 02:27:14 +00:00
kern_ssp.c
kern_stub.c fix interrupt_* stubs. reported by skrll@n.o 2015-08-28 07:18:39 +00:00
kern_subr.c Let MD code provide boot disk information as spec string that can be 2014-11-22 11:04:57 +00:00
kern_synch.c When clearing out the scheduler queues during system shutdown, we move 2015-10-13 00:25:51 +00:00
kern_syscall.c KNF - Thanks, christos 2015-11-30 23:34:47 +00:00
kern_sysctl.c Fix typx in comment 2015-10-23 01:58:43 +00:00
kern_tc.c ifdef a variable like its use 2013-09-14 20:52:43 +00:00
kern_time.c CID/1325753: remove extra return. 2015-10-06 15:03:34 +00:00
kern_timeout.c fix crash(8) printing of callouts. 2015-11-24 15:48:23 +00:00
kern_todr.c <sys/rnd.h> -> <sys/rndsource.h> in kern_todr.c. 2015-04-13 16:36:54 +00:00
kern_turnstile.c
kern_uidinfo.c At least pretend to not leak memory in sysctl initialization. 2013-03-10 17:55:42 +00:00
kern_uuid.c Get arguments in the right order for copyout. (Oops!) 2014-10-05 10:00:03 +00:00
kern_veriexec.c Remove uvm_extern.h and exec.h (unused). 2015-08-04 12:44:04 +00:00
kern_xxx.c introduce a new way of handling SYSCALL_DEBUG messages -- send them to 2015-10-29 00:27:08 +00:00
kgdb_stub.c Wait for the next character forever as kgdb wants. 2015-06-26 14:26:38 +00:00
Make.tags.inc
Makefile Adjust for systrace based on the FreeBSD code: 2015-03-07 16:38:07 +00:00
makesyscalls.sh fix typo in previous 2016-01-26 23:46:37 +00:00
sched_4bsd.c 'miliseconds' -> 'milliseconds'. 2014-06-24 10:08:45 +00:00
sched_m2.c 'miliseconds' -> 'milliseconds'. 2014-06-24 10:08:45 +00:00
subr_autoconf.c Don't detach devices if we are dumping core. 2016-01-28 16:32:40 +00:00
subr_blist.c Fix typo ("then" instead of "than") 2013-12-09 09:35:16 +00:00
subr_bufq.c Ensure that the top level sysctl nodes (kern, vfs, net, ...) exist before 2014-02-25 18:30:08 +00:00
subr_callback.c
subr_copy.c #ifdef DIAGNOSTIC panic -> KASSERT 2015-04-21 13:17:25 +00:00
subr_cprng.c More rnd.h user cleanup. 2015-04-13 22:43:41 +00:00
subr_cpufreq.c Unlock correct mutex in an error path. 2014-02-12 20:20:15 +00:00
subr_debug.c
subr_device.c The use of root_device is not limited to vfs, so don't supply it in 2015-03-09 15:35:11 +00:00
subr_devsw.c Implement the 'io' provider for DTrace. From riastradh@, with 2016-02-01 05:05:43 +00:00
subr_disk_mbr.c If the MBR is a protective MBR, don't bother looking at it. 2013-06-26 18:47:26 +00:00
subr_disk_open.c Replace DIOCGPART -> DIOCGPARTINFO which returns the data needed instead of 2015-12-08 20:36:14 +00:00
subr_disk.c print the disklabel information on error if DIAGNOSTIC. 2016-01-06 00:22:30 +00:00
subr_evcnt.c Ensure that the top level sysctl nodes (kern, vfs, net, ...) exist before 2014-02-25 18:30:08 +00:00
subr_exec_fd.c Try not to use f_data, use f_{vnode,socket,pipe,mqueue,kqueue,ksem} to get 2014-09-05 09:20:59 +00:00
subr_extent.c to garnish, dust with _KERNEL_OPT 2015-08-24 22:50:32 +00:00
subr_hash.c hashinit: replace loop with a formula. 2014-05-29 21:15:55 +00:00
subr_humanize.c
subr_interrupt.c Add kernel code to support intrctl(8). 2015-08-17 06:16:02 +00:00
subr_iostat.c src is too big these days to tolerate superfluous apostrophes. It's 2014-10-18 08:33:23 +00:00
subr_ipi.c Implement ipi_trigger_multi(9); requested by cherry@. 2015-01-18 23:16:35 +00:00
subr_kcpuset.c Constify kcpuset_countset() and cpu_index() parameters. 2014-05-19 20:39:23 +00:00
subr_kmem.c Several changes and improvements in KMEM_GUARD: 2015-07-27 09:24:28 +00:00
subr_kobj_vfs.c to garnish, dust with _KERNEL_OPT 2015-08-24 22:50:32 +00:00
subr_kobj.c to garnish, dust with _KERNEL_OPT 2015-08-24 22:50:32 +00:00
subr_lockdebug.c Add _KERNEL_OPT 2015-09-29 01:44:57 +00:00
subr_log.c Don't log kern.msgbuf* sysctls. it's rather pointless, nobody can 2015-05-20 11:18:36 +00:00
subr_lwp_specificdata.c Mark a diagnostic-only variable 2013-10-25 16:09:29 +00:00
subr_once.c
subr_optstr.c
subr_pcq.c Use membar_datadep_consumer where code inspection reveals it necessary. 2015-01-08 23:39:57 +00:00
subr_pcu.c pcu: replace xcall(9) used for messaging with ipi(9). This provides 2014-05-25 14:53:55 +00:00
subr_percpu.c Consistently use kpreempt_*() outside scheduler path. 2014-11-27 15:00:00 +00:00
subr_physmap.c
subr_pool.c fix: "vmstat -C" CpuLayer showed only the last cpu values. 2016-02-05 03:04:52 +00:00
subr_prf.c to garnish, dust with _KERNEL_OPT 2015-08-24 22:50:32 +00:00
subr_prof.c don't cast void * in c. 2014-07-10 21:13:52 +00:00
subr_pserialize.c Typo in comment. 2015-06-12 19:18:30 +00:00
subr_specificdata.c
subr_spldebug.c
subr_syscall_stats.c Ensure that the top level sysctl nodes (kern, vfs, net, ...) exist before 2014-02-25 18:30:08 +00:00
subr_tftproot.c change nfs_boot_sendrecv to take sockaddr_in * instead of mbuf * 2015-05-21 02:04:22 +00:00
subr_time.c Make ts2timo(9) always return the absolute start time if the start argument 2013-05-22 16:00:52 +00:00
subr_userconf.c Remove local getsn and use cngetsn. 2013-12-23 15:34:16 +00:00
subr_vmem.c to garnish, dust with _KERNEL_OPT 2015-08-24 22:50:32 +00:00
subr_workqueue.c
subr_xcall.c Fix previous, use the correct value for softint_establish (SOFTINT_SERIAL). 2013-11-26 21:13:05 +00:00
sys_aio.c Try not to use f_data, use f_{vnode,socket,pipe,mqueue,kqueue,ksem} to get 2014-09-05 09:20:59 +00:00
sys_descrip.c Try not to use f_data, use f_{vnode,socket,pipe,mqueue,kqueue,ksem} to get 2014-09-05 09:20:59 +00:00
sys_generic.c Try not to use f_data, use f_{vnode,socket,pipe,mqueue,kqueue,ksem} to get 2014-09-05 09:20:59 +00:00
sys_lwp.c Unused inits (harmless). 2015-07-24 13:02:52 +00:00
sys_module.c Put the code in charge of handling MODCTL_STAT into a separate function. 2015-12-12 14:47:37 +00:00
sys_mqueue.c CID 1308958: Fix reversed arguments in copyin(9) 2015-06-29 15:44:45 +00:00
sys_pipe.c Try not to use f_data, use f_{vnode,socket,pipe,mqueue,kqueue,ksem} to get 2014-09-05 09:20:59 +00:00
sys_pmc.c fix unused 2014-01-25 21:11:20 +00:00
sys_process.c When doing an unlock/relock dance to avoid lock inversion, it's important 2016-01-09 07:52:38 +00:00
sys_pset.c Don't forget to unlock the LWP. 2015-07-30 08:11:44 +00:00
sys_sched.c Ensure that the top level sysctl nodes (kern, vfs, net, ...) exist before 2014-02-25 18:30:08 +00:00
sys_select.c Remove pollsock(). Since it took only a single socket, it was essentially 2014-04-25 15:52:45 +00:00
sys_sig.c Change SDT (Statically Defined Tracing) probes to use link sets so that it 2015-10-02 16:54:15 +00:00
sys_socket.c Try not to use f_data, use f_{vnode,socket,pipe,mqueue,kqueue,ksem} to get 2014-09-05 09:20:59 +00:00
sys_syscall.c regen 2015-03-07 16:38:49 +00:00
syscalls_autoload.c regen syscall files 2016-01-26 23:49:46 +00:00
syscalls.c regen syscall files 2016-01-26 23:49:46 +00:00
syscalls.conf Rename "autoloadprefix" variable to "emulname" - suggested by christos@ 2015-12-01 00:58:29 +00:00
syscalls.master Merge the compat_sysv module into the sysv_ipc module - it should 2015-12-03 02:51:00 +00:00
systrace_args.c regen syscall files 2016-01-26 23:49:46 +00:00
sysv_ipc.c When unloading the module, clear the address of the kauth_listener 2015-12-05 00:51:42 +00:00
sysv_msg.c In sysv_sem.c, defer establishment of exithook so we can initialize the 2015-11-06 02:26:42 +00:00
sysv_sem.c In sysv_sem.c, defer establishment of exithook so we can initialize the 2015-11-06 02:26:42 +00:00
sysv_shm.c We never exec(2) with a kernel vmspace, so do not test for that, but instead 2015-11-26 13:15:34 +00:00
tty_bsdpty.c Kernel portion of the multiple ptyfs mount support. Protocol changed 2014-04-04 18:11:58 +00:00
tty_conf.c Define TTY_ALLOW_PRIVATE in tty.c, tty_pty.c, and tty_conf.c. 2014-05-22 16:28:06 +00:00
tty_ptm.c to garnish, dust with _KERNEL_OPT 2015-08-24 22:50:32 +00:00
tty_pty.c include ioconf.h instead of locally declaring the prototype of the attach 2015-08-20 09:45:45 +00:00
tty_subr.c
tty_tty.c Add d_discard to all struct cdevsw instances I could find. 2014-07-25 08:10:31 +00:00
tty.c Add console-related ioctls. 2015-10-22 17:36:33 +00:00
uipc_accf.c Ensure that the top level sysctl nodes (kern, vfs, net, ...) exist before 2014-02-25 18:30:08 +00:00
uipc_domain.c - add diagnostic check for sa_len 2014-12-02 19:45:58 +00:00
uipc_mbuf2.c MGET -> m_get 2013-10-08 19:59:49 +00:00
uipc_mbuf.c sprinkle _KERNEL_OPT 2015-08-24 22:21:26 +00:00
uipc_proto.c Add struct pr_usrreqs with a pr_generic function and prepare for the 2014-05-18 14:46:15 +00:00
uipc_sem.c Mark kern.posix.semcnt as READONLY - we don't want users changing the 2015-11-09 01:55:03 +00:00
uipc_socket2.c sprinkle _KERNEL_OPT 2015-08-24 22:21:26 +00:00
uipc_socket.c Add core networking support for SCTP. 2015-10-13 21:28:34 +00:00
uipc_syscalls.c Don't overwrite the user iov pointer in sendmmsg. Make the send and receive 2015-11-01 17:23:36 +00:00
uipc_usrreq.c make connect syscall use sockaddr_big and modify pr_{send,connect} 2015-05-02 17:18:03 +00:00
vfs_bio.c Implement the 'io' provider for DTrace. From riastradh@, with 2016-02-01 05:05:43 +00:00
vfs_cache.c Fix lying comment. 2015-12-05 05:23:35 +00:00
vfs_cwd.c
vfs_dirhash.c Don't next structure and enum definitions. 2014-09-05 05:57:21 +00:00
vfs_getcwd.c Change vnode operation lookup to return the resulting vnode *vpp unlocked. 2014-02-07 15:29:20 +00:00
vfs_hooks.c
vfs_init.c Remove miscfs/syncfs and 2015-05-06 15:57:07 +00:00
vfs_lockf.c
vfs_lookup.c to garnish, dust with _KERNEL_OPT 2015-08-24 22:50:32 +00:00
vfs_mount.c Redo Rev. 1.30: Change vfs_vnode_iterator_next() to skip reclaiming 2015-08-19 08:40:02 +00:00
vfs_quotactl.c Revert the following changes: 2014-06-28 22:27:50 +00:00
vfs_subr.c to garnish, dust with _KERNEL_OPT 2015-08-24 22:50:32 +00:00
vfs_syscalls.c Fix kern/50841: races in sys_lseek. 2015-11-28 15:26:29 +00:00
vfs_trans.c to garnish, dust with _KERNEL_OPT 2015-08-24 22:50:32 +00:00
vfs_vnode.c Take the vnode lock before the vnode is marked VI_CHANGING and fed 2015-11-12 11:35:42 +00:00
vfs_vnops.c Remove useless semicolon reported by Henning Petersen in PR#49634. 2015-02-04 07:09:37 +00:00
vfs_wapbl.c Enable the module's MODULE_CMD_FINI action. It actually works as 2015-11-15 03:09:39 +00:00
vfs_xattr.c Try not to use f_data, use f_{vnode,socket,pipe,mqueue,kqueue,ksem} to get 2014-09-05 09:20:59 +00:00
vnode_if.c regen vnode interfaces 2016-01-26 23:30:10 +00:00
vnode_if.sh "rump_private.h" -> <rump-sys/kern.h> 2016-01-26 23:28:06 +00:00
vnode_if.src Fix comment in vnode_if.src to reflect change to VOP_LINK. 2015-04-20 23:08:07 +00:00