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freebsd-nq/sys/kern
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John Baldwin 3e829b18d6 - Use a separate sx lock to try to limit the number of concurrent userland 
sysctl requests to avoid wiring too much user memory.  Only grab this
  lock if the user's old buffer is larger than a page as a tradeoff to
  allow more concurrency for common small requests.
- Just use a shared lock on the sysctl tree for user sysctl requests now.

MFC after:	1 week
2009-05-14 22:01:32 +00:00
..
bus_if.m Allow device hints to wire the unit numbers of devices. 2008-11-18 21:01:54 +00:00
clock_if.m
cpufreq_if.m
device_if.m
genassym.sh refactor code so it can run in a chroot without having to have /dev/mounted 2008-01-18 17:02:14 +00:00
imgact_aout.c Add sv_flags field to struct sysentvec with intention to provide description 2008-11-22 12:36:15 +00:00
imgact_elf32.c
imgact_elf64.c
imgact_elf.c Fix KBI breakage by r190520 which affects older linux.ko binaries: 2009-04-05 09:27:19 +00:00
imgact_gzip.c VOP_LOCK1() (and so VOP_LOCK()) and VOP_UNLOCK() are only used in 2008-01-13 14:44:15 +00:00
imgact_shell.c Decontextualize the couplet VOP_GETATTR / VOP_SETATTR as the passed thread 2008-08-28 15:23:18 +00:00
inflate.c
init_main.c Introduce a new virtualization container, provisionally named vprocg, to hold 2009-05-08 14:11:06 +00:00
init_sysent.c Regen for new jail system calls in r191673. 2009-04-29 21:50:13 +00:00
kern_acct.c Remove the thread argument from the FSD (File-System Dependent) parts of 2009-05-11 15:33:26 +00:00
kern_alq.c Remove VOP_LEASE and supporting functions. This hasn't been used since 2009-04-10 10:52:19 +00:00
kern_clock.c - Implement generic macros for producing KTR records that are compatible 2009-01-17 07:17:57 +00:00
kern_condvar.c Remove unused variables p' and unneeded assignments of rval'. 2009-02-26 13:00:13 +00:00
kern_conf.c Remove dead code from devtoname(). 2009-04-15 20:43:12 +00:00
kern_cons.c Remove unneeded variable `ocn_mute'. 2009-02-26 13:01:45 +00:00
kern_context.c
kern_cpu.c If possible, try to obtain max_mhz on cpufreq attach instead of first request. 2008-12-16 01:24:05 +00:00
kern_cpuset.c Prevent a superuser inside a jail from modifying the dedicated 2009-04-28 21:00:50 +00:00
kern_ctf.c Add the CTF source file which gets shared with link_elf.c and link_elf_obj.c. 2008-05-23 03:04:27 +00:00
kern_descrip.c - Implement a lockless file descriptor lookup algorithm in 2009-05-14 03:24:22 +00:00
kern_dtrace.c Remove code that isn't required. It actually breaks the case where KDTRACE_HOOKS 2008-06-16 04:44:29 +00:00
kern_environment.c Correctly sanity-check timer IDs. [SA-09:06] 2009-03-23 00:00:50 +00:00
kern_event.c Fix a number of style issues in the MALLOC / FREE commit. I've tried to 2008-10-23 20:26:15 +00:00
kern_exec.c Supply AT_EXECPATH auxinfo entry to the interpreter, both for native and 2009-03-17 12:53:28 +00:00
kern_exit.c Introduce a new virtualization container, provisionally named vprocg, to hold 2009-05-08 14:11:06 +00:00
kern_fork.c Introduce a new virtualization container, provisionally named vprocg, to hold 2009-05-08 14:11:06 +00:00
kern_idle.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
kern_intr.c style(9) 2008-09-23 14:25:56 +00:00
kern_jail.c Introduce a new virtualization container, provisionally named vprocg, to hold 2009-05-08 14:11:06 +00:00
kern_kthread.c Kill a dead variable 2008-08-03 21:07:19 +00:00
kern_ktr.c
kern_ktrace.c Remove VOP_LEASE and supporting functions. This hasn't been used since 2009-04-10 10:52:19 +00:00
kern_linker.c A NOP change: style / whitespace cleanup of the noise that slipped 2009-05-08 14:34:25 +00:00
kern_lock.c Add missing 'break' statement. 2009-05-12 17:05:40 +00:00
kern_lockf.c Remove unused variable. 2008-11-27 04:40:37 +00:00
kern_malloc.c Retire kern.vm.kmem.size. It was marked as obsolete prior to 5.2, so 2009-05-09 19:00:47 +00:00
kern_mbuf.c Temporary workaround for the limitations of the mbuf flowid field: zero 2009-01-01 20:03:01 +00:00
kern_mib.c Introduce a new virtualization container, provisionally named vprocg, to hold 2009-05-08 14:11:06 +00:00
kern_module.c When the SYSINIT() to load a module invokes the MOD_LOAD event successfully, 2008-12-05 16:47:30 +00:00
kern_mtxpool.c Fix a number of style issues in the MALLOC / FREE commit. I've tried to 2008-10-23 20:26:15 +00:00
kern_mutex.c - Wrap lock profiling state variables in #ifdef LOCK_PROFILING blocks. 2009-03-15 08:03:54 +00:00
kern_ntptime.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
kern_osd.c Add a constant PR_MAXMETHOD to better define the jail/OSD interface. 2009-05-05 05:49:08 +00:00
kern_physio.c
kern_pmc.c Support sparsely numbered CPUs. 2008-09-22 10:37:02 +00:00
kern_poll.c Remove IFF_NEEDSGIANT, a compatibility infrastructure introduced 2009-03-15 14:21:05 +00:00
kern_priv.c Reduce the verbosity of SDT trace points for DTrace by defining several 2009-03-03 17:15:05 +00:00
kern_proc.c - Add a function (fill_kinfo_aggregate()) which aggregates relevant 2009-02-18 21:52:13 +00:00
kern_prot.c Introduce a new virtualization container, provisionally named vprocg, to hold 2009-05-08 14:11:06 +00:00
kern_resource.c Don't rearm callout if the process is exiting, it may leak a callout 2008-10-24 01:09:24 +00:00
kern_rmlock.c Improve approximation of style(9). 2009-04-26 21:16:03 +00:00
kern_rwlock.c - Wrap lock profiling state variables in #ifdef LOCK_PROFILING blocks. 2009-03-15 08:03:54 +00:00
kern_sdt.c Add kernel support for the Statically Defined Trace provider. 2008-05-18 19:32:36 +00:00
kern_sema.c
kern_shutdown.c PowerPC, meet kernel core dumps. The support is based 2009-04-04 02:12:37 +00:00
kern_sig.c Remove VOP_LEASE and supporting functions. This hasn't been used since 2009-04-10 10:52:19 +00:00
kern_subr.c Make ureadc() warn when holding any locks, just like uiomove(). 2008-08-28 19:34:58 +00:00
kern_switch.c fix typo in runz_fuzz 2008-05-12 06:42:06 +00:00
kern_sx.c - Wrap lock profiling state variables in #ifdef LOCK_PROFILING blocks. 2009-03-15 08:03:54 +00:00
kern_synch.c Remove even more unneeded variable assignments. 2009-02-26 15:51:54 +00:00
kern_syscalls.c Various style fixes. 7 space indent is just odd. 2008-09-18 20:10:11 +00:00
kern_sysctl.c - Use a separate sx lock to try to limit the number of concurrent userland 2009-05-14 22:01:32 +00:00
kern_tc.c Remove conditionally compiled time counter statistics; tools like 2009-04-11 22:01:40 +00:00
kern_thr.c Remove even more unneeded variable assignments. 2009-02-26 15:51:54 +00:00
kern_thread.c - Implement a new mechanism for resetting lock profiling. We now 2009-03-15 06:41:47 +00:00
kern_time.c Remove VOP_LEASE and supporting functions. This hasn't been used since 2009-04-10 10:52:19 +00:00
kern_timeout.c Add explicit static DTrace tracing to the callout mechanism, capturing 2009-01-24 10:22:49 +00:00
kern_umtx.c Make UMTX_OP_WAIT_UINT actually wait for an unsigned integer on 64-bits 2009-04-13 05:21:17 +00:00
kern_uuid.c Lock the interface address list while iterating a network interface's 2009-04-19 21:36:18 +00:00
kern_vimage.c Introduce a new virtualization container, provisionally named vprocg, to hold 2009-05-08 14:11:06 +00:00
kern_xxx.c Fix compilation. Also move ogetkerninfo() to kern_xxx.c. 2008-12-29 19:24:00 +00:00
ksched.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
link_elf_obj.c Scanning all the formats for binary translation of modules loading can 2009-02-10 15:50:19 +00:00
link_elf.c Scanning all the formats for binary translation of modules loading can 2009-02-10 15:50:19 +00:00
linker_if.m Add the ctf_get method. 2008-05-23 04:06:49 +00:00
Make.tags.inc Catch up with the disappearance of sys/dev/hfa. 2008-12-01 14:34:42 +00:00
Makefile style.Makefile(5) 2007-12-14 21:30:51 +00:00
makesyscalls.sh Tidy up a few things with syscall generation: 2008-09-25 20:07:42 +00:00
md4c.c
md5c.c
p1003_1b.c Remove kernel support for M:N threading. 2008-03-12 10:12:01 +00:00
posix4_mib.c
sched_4bsd.c - Use __XSTRING where I want the define to be expanded. This resulted in 2009-01-25 07:35:10 +00:00
sched_ule.c - Fix non-SMP build by encapsulating idle spin logic in a macro. 2009-04-29 23:04:31 +00:00
serdev_if.m
stack_protector.c Fix a chicken-and-egg problem: this files implements SSP support, 2008-06-26 07:52:45 +00:00
subr_acl_posix1e.c Rename a variable missed in previous accmode_t-related commits. 2008-10-28 21:58:48 +00:00
subr_autoconf.c Prefer ANSI function definitions to K&R ones. 2009-02-03 07:52:07 +00:00
subr_blist.c Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
subr_bufring.c - bump __FreeBSD version to reflect added buf_ring, memory barriers, 2008-11-22 05:55:56 +00:00
subr_bus.c When looking up the parent devclass of a new devclass, create the parent 2009-03-25 17:02:05 +00:00
subr_clist.c Remove a stale comment from the clists code. 2009-02-09 11:27:56 +00:00
subr_clock.c Now that all platforms use genclock, shuffle things around slightly 2008-04-22 19:38:30 +00:00
subr_devstat.c Use NULL in preference to 0 in pointer contexts. 2009-02-03 07:54:42 +00:00
subr_disk.c Clarify and reimplement the bioq API so that bioq_disksort() has 2009-02-13 11:36:32 +00:00
subr_eventhandler.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
subr_fattime.c
subr_firmware.c Use NULL in preference to 0 for pointers. 2009-02-03 07:51:11 +00:00
subr_hints.c
subr_kdb.c Spell NULL properly, use (void) rather than () for functions with no 2009-05-09 19:08:22 +00:00
subr_kobj.c Use NULL in preference to 0 in pointer contexts. 2009-02-03 07:54:42 +00:00
subr_lock.c - Implement a new mechanism for resetting lock profiling. We now 2009-03-15 06:41:47 +00:00
subr_log.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
subr_mbpool.c Add parens around *free in *free++ in mbp_count() so that mbp_count() 2007-05-27 17:38:36 +00:00
subr_mchain.c Replaced the misleading uses of a historical artefact M_TRYWAIT with M_WAIT. 2008-03-25 09:39:02 +00:00
subr_module.c
subr_msgbuf.c
subr_param.c Improve the description of a few sysctls. 2009-03-23 20:18:06 +00:00
subr_pcpu.c Change the curvnet variable from a global const struct vnet *, 2009-05-05 10:56:12 +00:00
subr_power.c
subr_prf.c Remove redundant code in printf() and vprintf(). 2009-02-27 13:28:54 +00:00
subr_prof.c Use ANSI function definition for profil. 2009-02-03 07:52:36 +00:00
subr_rman.c rman_debug should be static, so make it static. 2009-02-03 07:53:08 +00:00
subr_rtc.c Clean up MI inittodr(9) and kill noop code. 2009-03-23 21:16:21 +00:00
subr_sbuf.c Switch to simplified BSD license (with phk's approval), plus whitespace 2008-08-09 10:26:21 +00:00
subr_scanf.c
subr_sleepqueue.c Revision 184199 had not been fully reverted, add missing piece. 2008-12-01 01:54:55 +00:00
subr_smp.c - Remove the bogus idle thread state code. This may have a race in it 2009-04-29 03:15:43 +00:00
subr_stack.c Make it possible to compile kernel with KTR but without DDB. 2008-10-30 21:48:28 +00:00
subr_taskqueue.c Remove semicolon left in the last commit 2009-02-13 18:51:39 +00:00
subr_trap.c - Bug fix: prevent a thread from migrating between CPUs between the 2008-12-13 13:07:12 +00:00
subr_turnstile.c Make ddb command registration dynamic so modules can extend 2008-09-15 22:45:14 +00:00
subr_unit.c Since cdev mutex is after system map mutex in global lock order, free() 2007-07-04 06:56:58 +00:00
subr_witness.c Bite the bullet, and make the IPv6 SSM and MLDv2 mega-commit: 2009-04-29 19:19:13 +00:00
sys_generic.c - Implement a lockless file descriptor lookup algorithm in 2009-05-14 03:24:22 +00:00
sys_pipe.c - Make maxpipekva a signed long rather than an unsigned long as overflow 2009-03-10 21:28:43 +00:00
sys_process.c Use the p_sysent->sv_flags flag SV_ILP32 to detect 32bit process 2009-03-02 18:43:50 +00:00
sys_socket.c Change the curvnet variable from a global const struct vnet *, 2009-05-05 10:56:12 +00:00
syscalls.c Regen for new jail system calls in r191673. 2009-04-29 21:50:13 +00:00
syscalls.master Introduce the extensible jail framework, using the same "name=value" 2009-04-29 21:14:15 +00:00
systrace_args.c Regen for new jail system calls in r191673. 2009-04-29 21:50:13 +00:00
sysv_ipc.c Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in 2007-06-12 00:12:01 +00:00
sysv_msg.c Merge first in a series of TrustedBSD MAC Framework KPI changes 2007-10-24 19:04:04 +00:00
sysv_sem.c Fix memory leak in semunload(). 2009-03-30 15:01:29 +00:00
sysv_shm.c Systematically use vm_size_t to specify the size of the segment for VM KPI. 2009-03-05 11:45:42 +00:00
tty_compat.c Fix an awful bug inside our COMPAT_43TTY code. 2008-09-04 16:30:53 +00:00
tty_info.c Replace bcopy() calls inside the TTY layer with memcpy()/strlcpy(). 2009-02-28 14:20:26 +00:00
tty_inq.c Use unsigned longs for the TTY's sysctl stats. 2009-02-26 10:28:32 +00:00
tty_outq.c Use unsigned longs for the TTY's sysctl stats. 2009-02-26 10:28:32 +00:00
tty_pts.c Turn MAXPTSDEVS into a sysctl tunable. 2009-04-25 10:05:55 +00:00
tty_pty.c Don't use PTY name as format string, even though it isn't insecure here. 2009-02-26 10:14:10 +00:00
tty_tty.c Remove unneeded Giant locking of /dev/tty. 2008-06-03 12:38:00 +00:00
tty_ttydisc.c If we have a regular rint handler, never go into rint_bypass mode. 2009-05-07 17:39:23 +00:00
tty.c - Implement a lockless file descriptor lookup algorithm in 2009-05-14 03:24:22 +00:00
uipc_accf.c Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
uipc_cow.c Extend the struct vm_page wire_count to u_int to avoid the overflow 2009-01-03 13:24:08 +00:00
uipc_debug.c Remove extra 'comma = 0' in socket state printing code, which otherwise 2009-02-09 18:19:58 +00:00
uipc_domain.c Introduce vnet module registration / initialization framework with 2009-04-11 05:58:58 +00:00
uipc_mbuf2.c Merge first in a series of TrustedBSD MAC Framework KPI changes 2007-10-24 19:04:04 +00:00
uipc_mbuf.c Teach m_copyback() to use trailing space of the last mbuf in chain. 2009-01-18 20:19:55 +00:00
uipc_mqueue.c Remove the thread argument from the FSD (File-System Dependent) parts of 2009-05-11 15:33:26 +00:00
uipc_sem.c Ensure that the semaphore value is re-checked after sem_lock 2009-03-12 10:36:39 +00:00
uipc_shm.c Shared memory objects that have size which is not necessarily equal to 2008-12-01 22:33:50 +00:00
uipc_sockbuf.c Fix sbappendrecord_locked(). 2009-04-21 19:14:13 +00:00
uipc_socket.c A NOP change: style / whitespace cleanup of the noise that slipped 2009-05-08 14:34:25 +00:00
uipc_syscalls.c - Implement a lockless file descriptor lookup algorithm in 2009-05-14 03:24:22 +00:00
uipc_usrreq.c Change the curvnet variable from a global const struct vnet *, 2009-05-05 10:56:12 +00:00
vfs_acl.c When allocating 'struct acl' instances, use malloc(9) instead of uma(9). 2009-04-19 09:56:30 +00:00
vfs_aio.c Use the correct type for the timeout parameter to the 32-bit 2009-01-23 13:23:17 +00:00
vfs_bio.c Eliminate page queues locking from bufdone_finish() through the 2009-05-13 05:39:39 +00:00
vfs_cache.c More fallout from negative dotdot caching. Negative entries should 2009-04-17 18:11:11 +00:00
vfs_cluster.c - Complete part of the unfinished bufobj work by consistently using 2008-03-22 09:15:16 +00:00
vfs_default.c Remove the thread argument from the FSD (File-System Dependent) parts of 2009-05-11 15:33:26 +00:00
vfs_export.c Remove the thread argument from the FSD (File-System Dependent) parts of 2009-05-11 15:33:26 +00:00
vfs_extattr.c Remove the thread argument from the FSD (File-System Dependent) parts of 2009-05-11 15:33:26 +00:00
vfs_hash.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
vfs_init.c Expand the scope of the sysctllock sx lock to protect the sysctl tree itself. 2009-02-06 14:51:32 +00:00
vfs_lookup.c Fix a kernel compilation error, introduced after r191990, by defining 2009-05-11 16:32:58 +00:00
vfs_mount.c Remove the thread argument from the FSD (File-System Dependent) parts of 2009-05-11 15:33:26 +00:00
vfs_subr.c Remove the thread argument from the FSD (File-System Dependent) parts of 2009-05-11 15:33:26 +00:00
vfs_syscalls.c - Implement a lockless file descriptor lookup algorithm in 2009-05-14 03:24:22 +00:00
vfs_vnops.c Remove the thread argument from the FSD (File-System Dependent) parts of 2009-05-11 15:33:26 +00:00
vnode_if.src Remove VOP_LEASE and supporting functions. This hasn't been used since 2009-04-10 10:52:19 +00:00