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f7ee15901a
freebsd-skq/sys/kern
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John Baldwin f7ee15901a - Add comments about the maintenance of the per-thread list of contested 
locks held by each thread.
- Fix a bug in the original BSD/OS code where a contested lock was not
  properly handed off from the old thread to the new thread when a
  contested lock with more than one blocked thread was transferred from
  one thread to another.
- Don't use an atomic operation to write the MTX_CONTESTED value to
  mtx_lock in the aforementioned special case.  The memory barriers and
  exclusion provided by sched_lock are sufficient.

Spotted by:	alc (2)
2003-07-02 16:14:09 +00:00
..
bus_if.m Give print_child a default method. 2003-03-25 04:32:52 +00:00
clock_if.m Add a generic implementation of inittodr() and resettodr(), as well as 2002-04-04 23:39:10 +00:00
device_if.m
genassym.sh Allow one to specify the AWK used in the environment(commandline). 2002-02-11 03:54:30 +00:00
imgact_aout.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
imgact_elf32.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
imgact_elf64.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
imgact_elf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
imgact_gzip.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
imgact_shell.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
inflate.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
init_main.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
init_sysent.c Regen from syscalls.master:1.149, addition of extended attribute 2003-06-04 03:50:20 +00:00
kern_acct.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_acl.c Add a f_vnode field to struct file. 2003-06-22 08:41:43 +00:00
kern_alq.c Add an explicit credential argument to alq_open() to allow the caller to 2003-06-22 22:28:56 +00:00
kern_clock.c Fix this to build on alpha. Build test successful. 2003-06-27 08:35:05 +00:00
kern_condvar.c Allow SA process unblocks a thread blocked in condition variable. 2003-07-02 01:19:15 +00:00
kern_conf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_context.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_descrip.c Add a f_vnode field to struct file. 2003-06-22 08:41:43 +00:00
kern_environment.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_event.c Initialize struct fileops with C99 sparse initialization. 2003-06-18 18:16:40 +00:00
kern_exec.c Rename P_THREADED to P_SA. P_SA means a process is using scheduler 2003-06-15 00:31:24 +00:00
kern_exit.c Rename P_THREADED to P_SA. P_SA means a process is using scheduler 2003-06-15 00:31:24 +00:00
kern_fork.c Add a ratelimited message of the form 2003-06-19 05:57:25 +00:00
kern_idle.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_intr.c Make swi_vm be INTR_MPSAFE. On all platforms, it is only used to activate 2003-07-01 16:00:38 +00:00
kern_jail.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_kse.c Fix typo. 2003-06-30 10:04:04 +00:00
kern_kthread.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_ktr.c Add an explicit credential argument to alq_open() to allow the caller to 2003-06-22 22:28:56 +00:00
kern_ktrace.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_linker.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_lock.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_lockf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_mac.c Redesign the externalization APIs from the MAC Framework to 2003-06-23 01:26:34 +00:00
kern_malloc.c Don't overflow when calculating vm_kmem_size. This fixes kmem_map 2003-06-11 05:18:59 +00:00
kern_mib.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_module.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_mtxpool.c Style(9). 2003-06-13 19:39:21 +00:00
kern_mutex.c - Add comments about the maintenance of the per-thread list of contested 2003-07-02 16:14:09 +00:00
kern_ntptime.c During a positive leap second, the tai_time offset should be 2003-06-25 20:56:40 +00:00
kern_physio.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_poll.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_proc.c Drop the proc lock around SYSCTL_OUT in the no-threads case. 2003-06-17 19:14:00 +00:00
kern_prot.c At this point targp will always be NULL, so remove the useless if. 2003-06-25 13:28:32 +00:00
kern_resource.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_sema.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_shutdown.c Don't overwrite the static panicstr buffer for secondary and further 2003-06-15 11:43:00 +00:00
kern_sig.c o Change kse_thr_interrupt to allow send a signal to a specified thread, 2003-06-28 08:29:05 +00:00
kern_subr.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_switch.c Rename P_THREADED to P_SA. P_SA means a process is using scheduler 2003-06-15 00:31:24 +00:00
kern_sx.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_synch.c o Change kse_thr_interrupt to allow send a signal to a specified thread, 2003-06-28 08:29:05 +00:00
kern_syscalls.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_sysctl.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_tc.c typo fix in comment. 2003-07-02 08:01:52 +00:00
kern_thr.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_thread.c Fix typo. 2003-06-30 10:04:04 +00:00
kern_time.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_timeout.c Don't put callout_lock under #ifdef DIAGNOSTIC despite the fact that it 2003-06-20 08:39:04 +00:00
kern_umtx.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_uuid.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_xxx.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
ksched.c Use __FBSDID(). 2003-06-11 06:34:30 +00:00
link_elf_obj.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
link_elf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
linker_if.m Add the sysctl "kern.function_list", which currently exports all 2001-10-30 15:21:45 +00:00
Make.tags.inc Finish driving a stake through the heart of netns and the associated 2003-03-05 19:24:24 +00:00
Makefile Finish driving a stake through the heart of netns and the associated 2003-03-05 19:24:24 +00:00
makesyscalls.sh - Include umtx.h in files generated by makesyscalls.sh 2003-04-01 01:12:24 +00:00
md4c.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
md5c.c Use le32dec() instead of le32toh() because we are not guaranteed to have 2003-05-05 07:22:35 +00:00
p1003_1b.c Use __FBSDID(). 2003-06-11 06:34:30 +00:00
posix4_mib.c Use __FBSDID(). 2003-06-11 06:34:30 +00:00
sched_4bsd.c Rename P_THREADED to P_SA. P_SA means a process is using scheduler 2003-06-15 00:31:24 +00:00
sched_ule.c - Don't migrate to stopped cpus. 2003-06-28 09:09:33 +00:00
subr_acl_posix1e.c Add a f_vnode field to struct file. 2003-06-22 08:41:43 +00:00
subr_autoconf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_blist.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_bus.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_clist.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_clock.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_devstat.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_disk.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_eventhandler.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_hints.c Add a resource_disabled() helper function that returns true (non-zero) if 2003-07-02 16:01:38 +00:00
subr_kobj.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_log.c Replace the code for reading and writing the kernel message buffer 2003-06-22 02:18:31 +00:00
subr_mbuf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_mchain.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_module.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_msgbuf.c Replace the code for reading and writing the kernel message buffer 2003-06-22 02:18:31 +00:00
subr_param.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_pcpu.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_power.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_prf.c When DDB is active, always send printf() output directly to the 2003-06-22 03:20:24 +00:00
subr_prof.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_rman.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_rtc.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_sbuf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_scanf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_smp.c Document some sysctl variables. 2003-06-12 19:46:51 +00:00
subr_taskqueue.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_trap.c o Change kse_thr_interrupt to allow send a signal to a specified thread, 2003-06-28 08:29:05 +00:00
subr_turnstile.c - Add comments about the maintenance of the per-thread list of contested 2003-07-02 16:14:09 +00:00
subr_witness.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_xxx.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
sys_generic.c Introduce a new flag on a file descriptor: DFLAG_SEEKABLE and use that 2003-06-18 19:53:59 +00:00
sys_pipe.c Initialize struct fileops with C99 sparse initialization. 2003-06-18 18:16:40 +00:00
sys_process.c Add vm object locking. 2003-06-11 06:43:48 +00:00
sys_socket.c Initialize struct fileops with C99 sparse initialization. 2003-06-18 18:16:40 +00:00
syscalls.c Regen from syscalls.master:1.149, addition of extended attribute 2003-06-04 03:50:20 +00:00
syscalls.master o Change kse_thr_interrupt to allow send a signal to a specified thread, 2003-06-28 08:29:05 +00:00
sysv_ipc.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
sysv_msg.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
sysv_sem.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
sysv_shm.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
tty_compat.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
tty_conf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
tty_cons.c Use a new message buffer `consmsgbuf' to forward messages to a 2003-06-22 02:54:33 +00:00
tty_pty.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
tty_subr.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
tty_tty.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
tty.c Use a new message buffer `consmsgbuf' to forward messages to a 2003-06-22 02:54:33 +00:00
uipc_accf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_cow.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_domain.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_jumbo.c Lock the vm object when removing a page. 2003-06-11 21:23:04 +00:00
uipc_mbuf2.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_mbuf.c Hide the m_defrag* statistics under MBUF_STRESS_TEST, there seems 2003-06-17 02:34:40 +00:00
uipc_proto.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_sem.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_sockbuf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_socket2.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_socket.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_syscalls.c VOP_GETVOBJECT() wants to be called with the vnode lock held. 2003-06-19 03:55:01 +00:00
uipc_usrreq.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
vfs_acl.c Add a f_vnode field to struct file. 2003-06-22 08:41:43 +00:00
vfs_aio.c Add a f_vnode field to struct file. 2003-06-22 08:41:43 +00:00
vfs_bio.c Initialize b_saveaddr when we hand out buffers 2003-06-20 08:26:38 +00:00
vfs_cache.c Make the VFS cache use zones instead of malloc(9). This results in a 2003-06-13 08:46:13 +00:00
vfs_cluster.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
vfs_default.c I have not had any reports of trouble for a long time, so remove the 2003-06-15 19:49:14 +00:00
vfs_export.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
vfs_extattr.c Prefer the vop_rmextattr() vnode operation for removing extended 2003-06-22 23:03:07 +00:00
vfs_init.c Initialize struct vfsops C99-sparsely. 2003-06-12 20:48:38 +00:00
vfs_lookup.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
vfs_mount.c Add a new mount flag MNT_BYFSID that can be used to unmount a file 2003-07-01 17:40:23 +00:00
vfs_subr.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
vfs_syscalls.c Prefer the vop_rmextattr() vnode operation for removing extended 2003-06-22 23:03:07 +00:00
vfs_vnops.c Prefer the vop_rmextattr() vnode operation for removing extended 2003-06-22 23:03:07 +00:00
vnode_if.src Expose vop_rmextattr as an explicit operation at the vnode operation 2003-06-22 22:45:24 +00:00