Jeff Roberson 88f530cc25 - Bail out of tdq_idled if !smp_started or idle stealing is disabled. This ...

fixes a bug on UP machines with SMP kernels where the idle thread
   constantly switches after trying to steal work from the local cpu.
 - Make the idle stealing code more robust against self selection.
 - Prefer to steal from the cpu with the highest load that has at least one
   transferable thread.  Before we selected the cpu with the highest
   transferable count which excludes bound threads.

Collaborated with:	csjp
Approved by:		re

2007-10-08 23:50:39 +00:00

..

bus_if.m

o break newbus api: add a new argument of type driver_filter_t to

2007-02-23 12:19:07 +00:00

clock_if.m

…

cpufreq_if.m

…

device_if.m

…

genassym.sh

…

imgact_aout.c

Correct two vm object reference leaks in error cases.

2006-03-16 08:51:59 +00:00

imgact_elf32.c

…

imgact_elf64.c

…

imgact_elf.c

Rework the support for ABIs to override resource limits (used by 32-bit

2007-05-14 22:40:04 +00:00

imgact_gzip.c

…

imgact_shell.c

…

inflate.c

…

init_main.c

- Move all of the PS_ flags into either p_flag or td_flags.

2007-09-17 05:31:39 +00:00

init_sysent.c

Regenerate.

2007-08-16 05:32:26 +00:00

kern_acct.c

Add missing newline in the log message of the previous commit.

2007-08-31 13:56:26 +00:00

kern_alq.c

Change the VOP_OPEN(), vn_open() vnode operation and d_fdopen() cdev operation

2007-06-01 14:33:11 +00:00

kern_clock.c

- Move all of the PS_ flags into either p_flag or td_flags.

2007-09-17 05:31:39 +00:00

kern_condvar.c

Commit 2/14 of sched_lock decomposition.

2007-06-04 23:50:56 +00:00

kern_conf.c

Revert destroy_dev() to the state before destroy_dev_sched() was introduced.

2007-07-05 13:04:59 +00:00

kern_context.c

Further system call comment cleanup:

2007-03-05 13:10:58 +00:00

kern_cpu.c

Always call sched_bind(), even if on the CPU in question. It is wrong to

2007-08-20 06:28:26 +00:00

kern_descrip.c

Remove the now-unused NET_{LOCK,UNLOCK,ASSERT}_GIANT() macros, which

2007-08-06 14:26:03 +00:00

kern_environment.c

Further system call comment cleanup:

2007-03-05 13:10:58 +00:00

kern_event.c

Revert previous commits which I committed by mistake.

2007-07-14 21:23:31 +00:00

kern_exec.c

Change the management of cached pages (PQ_CACHE) in two fundamental

2007-09-25 06:25:06 +00:00

kern_exit.c

Improve the ktrace locking somewhat to reduce overhead:

2007-06-13 20:01:42 +00:00

kern_fork.c

- Redefine p_swtime and td_slptime as p_swtick and td_slptick. This

2007-09-21 04:10:23 +00:00

kern_idle.c

Commit 14/14 of sched_lock decomposition.

2007-06-05 00:00:57 +00:00

kern_intr.c

Commit 14/14 of sched_lock decomposition.

2007-06-05 00:00:57 +00:00

kern_jail.c

Fix jails and jail-friendly file systems handling:

2007-04-13 23:54:22 +00:00

kern_kse.c

- Move all of the PS_ flags into either p_flag or td_flags.

2007-09-17 05:31:39 +00:00

kern_kthread.c

Commit 14/14 of sched_lock decomposition.

2007-06-05 00:00:57 +00:00

kern_ktr.c

Remove slightly oddly placed suser() call from the KTR/ALQ setup sysctl:

2006-09-09 16:09:01 +00:00

kern_ktrace.c

Partially revert the previous change. I failed to notice that where

2007-08-29 21:17:11 +00:00

kern_linker.c

Revert UF_OPENING workaround for CURRENT.

2007-05-31 11:51:53 +00:00

kern_lock.c

Move lock_profile_object_{init,destroy}() into lock_{init,destroy}().

2007-05-18 15:04:59 +00:00

kern_lockf.c

Do not call free() while holding vnode interlock.

2007-08-07 09:04:50 +00:00

kern_malloc.c

Use vm_offset_t for kmembase and kmemlimit rather than char *, avoiding

2007-06-27 13:39:38 +00:00

kern_mbuf.c

This patch adds an M_NOFREE flag which allows one to mark an mbuf as

2007-10-06 21:42:39 +00:00

kern_mib.c

Revert VMCNT_* operations introduction.

2007-05-31 22:52:15 +00:00

kern_module.c

Remove 'MPSAFE' annotations from the comments above most system calls: all

2007-03-04 22:36:48 +00:00

kern_mtxpool.c

Universally adopt most conventional spelling of acquire.

2007-05-27 20:50:23 +00:00

kern_mutex.c

- Remove the global definition of sched_lock in mutex.h to break

2007-07-18 20:46:06 +00:00

kern_ntptime.c

Only require privilege to set the current time adjustment, not in order to

2007-06-14 18:37:58 +00:00

kern_physio.c

…

kern_pmc.c

…

kern_poll.c

Remove the now-unused NET_{LOCK,UNLOCK,ASSERT}_GIANT() macros, which

2007-08-06 14:26:03 +00:00

kern_priv.c

Continue kernel privilege cleanup for 7.0: unstaticize suser_enabled and

2007-07-02 14:03:29 +00:00

kern_proc.c

- Redefine p_swtime and td_slptime as p_swtick and td_slptick. This

2007-09-21 04:10:23 +00:00

kern_prot.c

Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in

2007-06-12 00:12:01 +00:00

kern_resource.c

- Use ruxagg() in calcru() to make sure we have current tick information

2007-07-17 01:08:09 +00:00

kern_rwlock.c

Fix some problems with lock profiling in rw locks:

2007-07-20 08:43:42 +00:00

kern_sema.c

…

kern_shutdown.c

Commit 14/14 of sched_lock decomposition.

2007-06-05 00:00:57 +00:00

kern_sig.c

- Calling sched_nice() in tdsigwakeup() is no longer required by ULE and

2007-07-19 08:49:16 +00:00

kern_subr.c

Commit 14/14 of sched_lock decomposition.

2007-06-05 00:00:57 +00:00

kern_switch.c

- Fix ULE in kernels without PREEMPTION compiled in by always enabling the

2007-10-08 23:37:28 +00:00

kern_sx.c

Fix sx_try_slock(), so it only fails when there is an exclusive owner.

2007-10-02 14:48:48 +00:00

kern_synch.c

- Restore historical yield() behavior by manually lowering priority and

2007-10-08 23:40:40 +00:00

kern_syscalls.c

Make system call modules a bit more robust:

2006-08-01 16:32:20 +00:00

kern_sysctl.c

In userland_sysctl(), call useracc() with the actual newlen value to be

2007-09-02 09:59:33 +00:00

kern_tc.c

Despite several examples in the kernel, the third argument of

2007-06-04 18:25:08 +00:00

kern_thr.c

Add thr_kill2 syscall which sends a signal to a thread in another process.

2007-08-16 05:26:42 +00:00

kern_thread.c

- Call sched_sleep() before we suspend threads. sched_wakeup() is already

2007-09-21 04:04:22 +00:00

kern_time.c

rufetch and calcru sometimes should be called atomically together.

2007-06-09 21:48:44 +00:00

kern_timeout.c

Remove the definition and implementation of 'CALLOUT_NETGIANT', a now- (and

2007-09-15 12:33:24 +00:00

kern_umtx.c

Backout experimental adaptive-spin umtx code.

2007-06-06 07:35:08 +00:00

kern_uuid.c

Correct typo.

2007-04-23 12:53:00 +00:00

kern_xxx.c

Further system call comment cleanup:

2007-03-05 13:10:58 +00:00

ksched.c

Commit 14/14 of sched_lock decomposition.

2007-06-05 00:00:57 +00:00

link_elf_obj.c

Revert UF_OPENING workaround for CURRENT.

2007-05-31 11:51:53 +00:00

link_elf.c

Revert UF_OPENING workaround for CURRENT.

2007-05-31 11:51:53 +00:00

linker_if.m

…

Make.tags.inc

Remove netkey directory from cscope/TAGs generation and replace

2007-07-05 08:55:14 +00:00

Makefile

- Remove UMAP filesystem. It was disconnected from build three years ago,

2007-06-25 05:06:57 +00:00

makesyscalls.sh

Add support for COMPAT6 syscalls.

2007-07-04 22:38:28 +00:00

md4c.c

…

md5c.c

Fix a panic on sparc64 related to inproper aligment - we cannot assume,

2006-03-30 18:45:50 +00:00

p1003_1b.c

- Restore historical sched_yield() behavior by changing sched_relinquish()

2007-10-08 23:45:24 +00:00

posix4_mib.c

Fix mispatch of includes list; allows my kernel to build successfully.

2006-11-12 03:34:03 +00:00

sched_4bsd.c

- Restore historical sched_yield() behavior by changing sched_relinquish()

2007-10-08 23:45:24 +00:00

sched_ule.c

- Bail out of tdq_idled if !smp_started or idle stealing is disabled. This

2007-10-08 23:50:39 +00:00

serdev_if.m

MFp4: Add the ipend() method to the serdev I/F to allow umbrella

2006-04-23 22:12:39 +00:00

subr_acl_posix1e.c

Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in

2007-06-12 00:12:01 +00:00

subr_autoconf.c

Add a mutex to protect the list of interrupt config hooks. We do assume

2006-07-19 18:53:56 +00:00

subr_blist.c

…

subr_bus.c

First in a series of changes to remove the now-unused Giant compatibility

2007-07-27 11:59:57 +00:00

subr_clist.c

…

subr_clock.c

If clock_ct_to_ts fails to convert time time from the real time clock,

2007-07-23 09:42:32 +00:00

subr_devstat.c

…

subr_disk.c

Add a new I/O request - BIO_FLUSH, which basically tells providers below to

2006-10-31 21:11:21 +00:00

subr_eventhandler.c

…

subr_fattime.c

Better naming of fattime conversion functions, they do convert to timespec

2006-10-24 10:27:23 +00:00

subr_firmware.c

Cleanup and document the implementation of firmware(9) based on

2007-02-15 17:21:31 +00:00

subr_hints.c

Use a sleep mutex instead of an sx lock for the kernel environment. This

2006-07-09 21:42:58 +00:00

subr_kdb.c

- Move all of the PS_ flags into either p_flag or td_flags.

2007-09-17 05:31:39 +00:00

subr_kobj.c

…

subr_lock.c

Currently the LO_NOPROFILE flag (which is masked on upper level code by

2007-09-14 01:12:39 +00:00

subr_log.c

…

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

…

subr_module.c

…

subr_msgbuf.c

…

subr_param.c

…

subr_pcpu.c

…

subr_power.c

…

subr_prf.c

Instead of doing comparisons using the pcpu area to see if

2007-03-08 06:44:34 +00:00

subr_prof.c

Commit 14/14 of sched_lock decomposition.

2007-06-05 00:00:57 +00:00

subr_rman.c

Complete removal of restriction about overlaps to rman_manage_region:

2007-04-28 07:37:49 +00:00

subr_rtc.c

Use utc_offset() where applicable, and hide the internals of it

2006-10-02 18:23:37 +00:00

subr_sbuf.c

…

subr_scanf.c

…

subr_sleepqueue.c

subr_sleepqueue.c presents a thread lock missing which leads to dangerous

2007-09-13 09:12:36 +00:00

subr_smp.c

This is a follow-up, cleaning-up commit about recent changes involving

2007-09-11 22:54:09 +00:00

subr_stack.c

Correct typos

2006-05-28 22:15:28 +00:00

subr_taskqueue.c

Commit 14/14 of sched_lock decomposition.

2007-06-05 00:00:57 +00:00

subr_trap.c

- Move all of the PS_ flags into either p_flag or td_flags.

2007-09-17 05:31:39 +00:00

subr_turnstile.c

- Include opt_sched.h for SCHED_STATS.

2007-06-12 23:27:31 +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

Fix some entries in the locks static table of witness.

2007-09-20 20:38:43 +00:00

sys_generic.c

Add freebsd6_ wrappers for mmap/lseek/pread/pwrite/truncate/ftruncate

2007-07-04 22:57:21 +00:00

sys_pipe.c

Remove amountpipes counter for pipes -- this replicates the function of

2007-05-27 17:33:10 +00:00

sys_process.c

- Move all of the PS_ flags into either p_flag or td_flags.

2007-09-17 05:31:39 +00:00

sys_socket.c

Remove the now-unused NET_{LOCK,UNLOCK,ASSERT}_GIANT() macros, which

2007-08-06 14:26:03 +00:00

syscalls.c

Regenerate.

2007-08-16 05:32:26 +00:00

syscalls.master

Add thr_kill2 syscall which sends a signal to a thread in another process.

2007-08-16 05:26:42 +00:00

systrace_args.c

Regenerate.

2007-08-16 05:32:26 +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

Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in

2007-06-12 00:12:01 +00:00

sysv_sem.c

Relock the sema_mtxp unconditionally after copyin() for SETALL case in

2007-07-03 15:58:47 +00:00

sysv_shm.c

Further system call comment cleanup:

2007-03-05 13:10:58 +00:00

tty_compat.c

…

tty_conf.c

…

tty_cons.c

Revert UF_OPENING workaround for CURRENT.

2007-05-31 11:51:53 +00:00

tty_pts.c

Fix bad function type passed to destroy_dev_sched_cb().

2007-07-05 05:54:47 +00:00

tty_pty.c

Use make_dev_credf(MAKEDEV_REF) instead of make_dev() from pty clone handler.

2007-07-03 17:45:52 +00:00

tty_subr.c

…

tty_tty.c

Lock Giant and proctree lock around dereferencing p_session->s_ttyvp->v_rdev.

2007-07-03 17:46:37 +00:00

tty.c

ttyfree() frees the cdev(). But if there are pending kevents,

2007-07-20 09:41:54 +00:00

uipc_accf.c

…

uipc_cow.c

…

uipc_debug.c

sblock() implements a sleep lock by interlocking SB_WANT and SB_LOCK flags

2007-05-03 14:42:42 +00:00

uipc_domain.c

Remove the now-unused NET_{LOCK,UNLOCK,ASSERT}_GIANT() macros, which

2007-08-06 14:26:03 +00:00

uipc_mbuf2.c

Complete break-out of sys/sys/mac.h into sys/security/mac/mac_framework.h

2006-10-22 11:52:19 +00:00

uipc_mbuf.c

This patch adds an M_NOFREE flag which allows one to mark an mbuf as

2007-10-06 21:42:39 +00:00

uipc_mqueue.c

Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in

2007-06-12 00:12:01 +00:00

uipc_sem.c

Further system call comment cleanup:

2007-03-05 13:10:58 +00:00

uipc_sockbuf.c

Now that sx(9) locks support an interruptible lock acquire primitive,

2007-05-31 11:51:22 +00:00

uipc_socket.c

Despite several examples in the kernel, the third argument of

2007-06-04 18:25:08 +00:00

uipc_syscalls.c

- During shutdown pending, when the last sack came in and

2007-08-27 05:19:48 +00:00

uipc_usrreq.c

When we do open, we should lock the vnode exclusively. This fixes few races:

2007-07-26 16:58:09 +00:00

vfs_acl.c

Replay minor system call comment cleanup applied to kern_acl.c in a race

2007-03-05 13:26:07 +00:00

vfs_aio.c

Destroy the kaio_mtx on the freeing the struct kaioinfo in the

2007-08-20 11:53:26 +00:00

vfs_bio.c

Fix the description of the formula used to autosize the number of

2007-09-26 11:22:23 +00:00

vfs_cache.c

Fix some locking cases where we ask for exclusively locked vnode, but we get

2007-09-21 10:16:56 +00:00

vfs_cluster.c

- Move rusage from being per-process in struct pstats to per-thread in

2007-06-01 01:12:45 +00:00

vfs_default.c

Since renaming of vop_lock to _vop_lock, pre- and post-condition

2007-05-18 13:02:13 +00:00

vfs_export.c

Move vnode-to-file-handle translation from vfs_vptofh to vop_vptofh method.

2007-02-15 22:08:35 +00:00

vfs_extattr.c

Update comments to reflect changes in the extattrctl() code.

2006-12-23 00:30:03 +00:00

vfs_hash.c

Make insmntque() externally visibile and allow it to fail (e.g. during

2007-03-13 01:50:27 +00:00

vfs_init.c

Remove VFS_VPTOFH entirely. API is already broken and it is good time to

2007-02-16 17:32:41 +00:00

vfs_lookup.c

Fix some locking cases where we ask for exclusively locked vnode, but we get

2007-09-21 10:16:56 +00:00

vfs_mount.c

When restoring the mount after umount failed, the MNTK_UNMOUNT flag

2007-09-12 16:31:32 +00:00

vfs_subr.c

When restoring the mount after umount failed, the MNTK_UNMOUNT flag

2007-09-12 16:31:32 +00:00

vfs_syscalls.c

Rename mac_check_vnode_delete() MAC Framework and MAC Policy entry

2007-09-10 00:00:18 +00:00

vfs_vnops.c

When we do open, we should lock the vnode exclusively. This fixes few races:

2007-07-26 16:58:09 +00:00

vnode_if.src

Revert UF_OPENING workaround for CURRENT.

2007-05-31 11:51:53 +00:00