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Commit Graph

33589 Commits

Author SHA1 Message Date
Matthew Dillon
d4616eacb1 Qualify comment on machdep.cpu_idle_hlt. Turning this on on a SMP
machine will result in approximately a 4.2% loss of performance (buildworld)
and approximately a 5% reduction in power consumption (when idle).  Add XXX
note on how to really make hlt work (send an IPI to wakeup HLTed cpus on
a thread-schedule event?  Generate an interrupt somehow?).
2002-07-17 05:41:43 +00:00
Warner Losh
b946901ca7 pccard_common.c is no longer necssary 2002-07-17 05:22:00 +00:00
Warner Losh
c1bb793bbb Eliminate the need for pccard_common.c by moving the function inline
in the .h file.  Make it static __inline to make sure that it doesn't
wind up defined in any files.

Also, fix a typo that said null_do_attach instead of null_do_probe.
2002-07-17 05:20:43 +00:00
Warner Losh
fc7b12d6fc Add support for Elsa XI325, Netgear MA401RA, and Nokia C110. From OpenBSD
by various people there.
2002-07-17 04:07:07 +00:00
Warner Losh
bdcb2d73e4 regen from pccarddevs 1.33 2002-07-17 04:02:52 +00:00
Warner Losh
8f414056fa MFOpenBSD:
1.93; henning; MA401RA wi card
1.92; millert; elsa XI-325 wi card
1.91; fgsch; gemplus cpr400 smartcard reader
1.90; mickey; Nokia c110/c111 is prism2 card
1.89-1.86 (similar to what we do already)
2002-07-17 04:01:57 +00:00
John Baldwin
8034890757 - Use more correct values to initialize the AGP controller during setup.
The value we use is still questionable for 440BX chipsets.
- When flushing the TLB just toggle the bit in question instead of writing
  a magic value that could trash other unrelated bits.
2002-07-17 02:52:01 +00:00
John Baldwin
3d3f20cbe6 Preallocate a struct file as the first thing in falloc() before we lock
the filelist_lock and check nfiles.  This closes a race where we had to
unlock the filedesc to re-lock the filelist_lock.

Reported by:	David Xu
Reviewed by:	bde (mostly)
2002-07-17 02:48:43 +00:00
John Baldwin
627ed43ba7 Add a KASSERT() to assert that td_critnest is == 1 when mi_switch() is
called.
2002-07-17 02:46:13 +00:00
Andrew Gallatin
fe79953325 Allow alphas to do crashdumps: Refuse to run anything in choosethread()
after a panic which is not an interrupt thread, or the thread which
caused the panic.  Also, remove panicstr checks from msleep() and from
cv_wait() in order to allow threads to go to sleep and yeild the cpu
to the panicing thread, or to an interrupt thread which might
be doing the crashdump.

Reviewed by: jhb  (and it was mostly his idea too)
2002-07-17 02:23:44 +00:00
Kirk McKusick
fb36a3d847 Change utimes to set the file creation time (for filesystems that
support creation times such as UFS2) to the value of the
modification time if the value of the modification time is older
than the current creation time. See utimes(2) for further details.

Sponsored by:	DARPA & NAI Labs.
2002-07-17 02:03:19 +00:00
Dima Dorfman
a1dc209638 Introduce the DEVFS "rule" subsystem. DEVFS rules permit the
administrator to define certain properties of new devfs nodes before
they become visible to the userland.  Both static (e.g., /dev/speaker)
and dynamic (e.g., /dev/bpf*, some removable devices) nodes are
supported.  Each DEVFS mount may have a different ruleset assigned to
it, permitting different policies to be implemented for things like
jails.

Approved by:	phk
2002-07-17 01:46:48 +00:00
Matthew Dillon
a96f7d1a1b 'recm' was not being unconditionally cleared for each loop, leading to
system lockups (infinite loops) when a zero-length RPC is received.
Linux clients will sometimes send zero-length RPC requests.

Reorganize the use of recm in the loop.

Cc: security@freebsd.org
Submitted by:	Mike Junk <junk@isilon.com>
MFC after:	3 days
2002-07-17 01:07:08 +00:00
Kirk McKusick
faab4e2722 Change the name of st_createtime to st_birthtime. This change is
made to reduce confusion between st_ctime and st_createtime.

Submitted by:	Eric Allman <eric@sendmail.org>
Sponsored by:	DARPA & NAI Labs.
2002-07-16 22:36:00 +00:00
Matthew Dillon
8e0619c6b0 Fix a bug nfs_write() related to ^C'ing during a file write on an
interruptable mount.  We were returning from inside the loop without
releasing the rslock.

Submitted by:	Mike Junk <junk@isilon.com>
MFC after:	3 days
2002-07-16 19:43:59 +00:00
Alan Cox
072e9cbb50 o Use vm_pageq_remove_nowakeup() and vm_pageq_enqueue() in
vm_page_zero_idle() instead of partially duplicated implementations.
   In particular, this change guarantees that the number of free pages
   in the free queue(s) matches the global free page count when Giant
   is released.

Submitted by:	peter (via his p4 "pmap" branch)
2002-07-16 19:39:40 +00:00
John Baldwin
dde0429505 Various comment and minor style fixes. No actual content changes.
Inspired by:	bde
2002-07-16 18:20:17 +00:00
Thomas Moestl
f42d907165 When multiple IOMMUs are present in a system, use a single TSB for all
of them, and couple them by always performing all operations on all
present IOMMUs. This is required because with the current API there
is no way to determine on which bus a busdma operation is performed.

While being there, clean up the iommu code a bit.

This should be a step in the direction of allow some of larger machines
to work; tests have shown that there still seem to be problems left.
2002-07-16 18:17:03 +00:00
Mark Peek
9efec336c5 Don't imply that setting the boot_ variables to "NO" will disable them.
MFC after:	3 days
2002-07-16 18:16:01 +00:00
Thomas Moestl
1ab480b27b Add new UltraSPARC-III VIS II instructions. 2002-07-16 17:44:01 +00:00
Prafulla Deuskar
802baa70eb - Use IO mode to reset the controller (82544 and beyond)
- Read the Mac address only once during attach.
  (This fixes the failover issue observed using the bonding driver)

MFC after:	3 days
2002-07-16 16:55:03 +00:00
Thomas Moestl
fe905bcb53 Add new LSU bits for UltraSPARC-III. 2002-07-16 16:24:03 +00:00
Thomas Moestl
63ebf186a7 Add ASI definitions of UltraSPARC-III (Cu) processors, and add some
previously missing US-I and II ones.
2002-07-16 16:22:25 +00:00
Thomas Moestl
60a6cf4eff Add missing quotes around ID string in __FBSDID().
Pointy hat to:	obrien
2002-07-16 16:20:44 +00:00
John Baldwin
6babe9434a Some style cleanups.
Submitted by:	bde
2002-07-16 15:40:19 +00:00
John Baldwin
14d199ad29 If we get a receive error in nfs_receive() and then get an error trying to
obtain the send lock, we would bogusly try to unlock the send lock before
returning resulting in a panic.  Instead, only unlock the send lock if
nfs_sndlock() succeeds and nfs_reconnect() fails.

MFC after:	3 days
Sponsored by:	The Weather Channel
2002-07-16 15:12:07 +00:00
Yoshihiro Takahashi
a79f8552fb Change include order. 2002-07-16 14:39:52 +00:00
Yoshihiro Takahashi
5d4a0e12ca Check return status from fd_in() function. 2002-07-16 14:34:38 +00:00
Mark Murray
fa860c783c Unbreak LINT; sort the includes so that functions are explicitly
declared. Remove duplicate includes.
2002-07-16 09:33:33 +00:00
Mark Murray
e9b24da3d5 Retire the perl gethints.conf in favour of an awk version. Move
the awk version to a central place for maintenance.

Submitted by:	Cyrille Lefevre <cyrille.lefevre@laposte.net>
2002-07-16 09:28:25 +00:00
Peter Wemm
239d85c5ad The pmap_invalidate_all() here is definately not a good idea. We are
running with interrupts disabled, other cpus locked down, and only
making a temporary local mapping that we immediately back out again.

Tested by:	gallatin
2002-07-15 23:11:49 +00:00
Garrett Wollman
476d84ff75 Move _CS_PATH from <sys/unistd.h> to <unistd.h> -- the kernel isn't involved
in confstr() processing.
2002-07-15 21:56:40 +00:00
Garrett Wollman
6e6d406857 Define _POSIX_FSYNC unconditionally. (The standard has enough weasel-words
to allow us to claim compliance.)  Define a few other nearby feature tests
in the way required by 1003.1-2001.
2002-07-15 20:37:10 +00:00
Alfred Perlstein
09ce4f7aaf Add IPv6 support.
Submitted by: Jean-Luc Richier <Jean-Luc.Richier@imag.fr>
2002-07-15 19:40:23 +00:00
Hajimu UMEMOTO
b115006a67 - fixed a bug that we can't send a packet to ipv4mapped ipv6 address
using a udp6 socket without bind(2)ing.
- fbsd4/430 reported from the FreeBSD team.
- this fix is different from the fix reported in the above PR.  i think
  this better, but we need some test.

Obtained from:	KAME
MFC after:	3 weeks
2002-07-15 19:25:46 +00:00
John Baldwin
30cce2ed6b Add a new VM options section. Move KSTACK_PAGES there from the MI NOTES
file and better document it.  Add better documentation for the DISABLE_PSE
option.  Add the missing DISABLE_PG_G option and document it.
2002-07-15 19:25:40 +00:00
John Baldwin
5e4fa8916d KSTACK_PAGES is only an option on i386, so move it to the i386 NOTES file. 2002-07-15 19:24:50 +00:00
John Baldwin
b928585573 Whitespace fix. 2002-07-15 19:14:13 +00:00
John Baldwin
fbfee3f615 Move SMBFS from i386 and pc98 files and options files to MI files and
options files.
2002-07-15 19:11:21 +00:00
John Baldwin
522a5d72bd The hardware bus configuration section is now empty, so axe it. The
architecture specific NOTES files define which hardware busses each
architecture supports.
2002-07-15 19:00:21 +00:00
John Baldwin
f309f881ad Move NTIMECOUNTER and PPS_SYNC from the ISA bus section to the clock
options section.
2002-07-15 18:59:00 +00:00
John Baldwin
601969b9aa The EISA_SLOTS option appears to be i386-only. 2002-07-15 18:55:07 +00:00
John Baldwin
122b088a2a COMPAT_OLDISA is only used on i386. 2002-07-15 18:50:13 +00:00
John Baldwin
6c519e3898 Sync up syscons options from options.i386. 2002-07-15 18:43:09 +00:00
John Baldwin
abe6ff15e1 Add a NOTES file for the Alpha architecture. 2002-07-15 17:50:17 +00:00
John Baldwin
557c19bff3 makeLINT.send has been moved to sys/conf so we can build LINT on other
architectures besides i386.
2002-07-15 17:48:47 +00:00
Mark Murray
f0d2d03884 Fix a bazillion lint and WARNS warnings. One major fix is the removal of
semicolons from the end of macros:

#define FOO() bar(a,b,c);

becomes

#define FOO() bar(a,b,c)

Thus requiring the semicolon in the invocation of FOO. This is much
cleaner syntax and more consistent with expectations when writing
function-like things in source.

With both peril-sensitive sunglasses and flame-proof undies on, tighten
up some types, and work around some warnings generated by this. There
are some _horrible_ const/non-const issues in this code.
2002-07-15 17:28:34 +00:00
Mark Murray
b90cce95e0 Use ISO 9X variadic macro format; arguments are not optional, just
variable.
2002-07-15 17:17:56 +00:00
Mark Murray
a7b9f00f75 Convert macros with variadic arguments from GNU format to ISO 9X. 2002-07-15 17:15:41 +00:00
Garrett Wollman
506d28328d Identify the C Language Binding Option of IEEE Std. 1003.2-1992.
This represents the original standardization of the following functions
and headers:

	popen()
	<regex.h>: regcomp(), regexec(), regerror(), regfree()
	<fnmatch.h>: fnmatch()
	getopt(), optarg, optind, opterr, optopt
	<glob.h>: glob()
	<wordexp.h>: wordexp(), wordfree()
	confstr()
2002-07-15 16:44:07 +00:00
John Baldwin
bdff575a42 Move all the sio(4) attachments (except for pc98's cbus attachment) to the
MI files file.  We can't move sio.c because pc98 uses a custom version.
2002-07-15 15:47:34 +00:00
John Baldwin
47a3594e8e The puc(4) driver/bridge is MI, so don't bury it in MD options and files
config files.  It also depends on PCI.
2002-07-15 15:39:10 +00:00
Bosko Milekic
185c2244ce o Introduce new m_getcl() interface routine that allocates an mbuf
and a cluster in one shot.
o Introduce MBP_PERSIST and MBP_PERSISTENT control bits to mb_alloc();
  MBP_PERSIST means "if you can allocate, then keep the cache lock
  held on exit," and MBP_PERSISTENT means "a cache lock is alredy held
  on entry, so allocate from the specified (already locked) cache."
  They may be used in combination.
o m_getcl() uses the MBP_PERSIST/MBP_PERSISTENT interface so that it
  doesn't drop the cache lock in between the mbuf and cluster allocations.
o m_getm(), which takes a size and allocates an mbuf + cluster "best fit"
  chain, has been moved from uipc_mbuf.c to subr_mbuf.c and shown how to
  use MBP_PERSIST/MBP_PERSISTENT to attempt to do a grouped allocation
  without dropping the cache lock in between.

Why this is good: much less bus-locked lock acquires/drops when they're
not needed.  Also, prototype for m_getcl():
struct mbuf * m_getcl(int how, short type, int flags);
"how" and "type" are self-explanatory.  "flags" may be M_PKTHDR, in
which case m_getcl() will make the mbuf a pkthdr-mbuf.

While I'm in subr_mbuf.c:
o Every exported routine now has a nice comment with a description of
  the expected arguments.  Eventually, mbuf(9) needs to be re-vamped
  but there's still more code to write/finalize before I get to that.
o internal macros have been changed a bit.
o consistently use 'short' for "type."  This somehow slipped through
  before (that 'type' was sometimes declared as int).

Alfred has been pushing for the MBP_PERSIST{,ENT} thing for almost a
year now.  Luigi asked for m_getcl(), and will probably MFC that
part of this commit.

TODO [Related]: teach mb_free() about MBP_PERSIST{, ENT}.
2002-07-15 15:32:59 +00:00
John Baldwin
0b9113359f Sort all the SYSV IPC options. They are still all clumped together, but
at least they are sorted relative to themselves now.
2002-07-15 15:28:16 +00:00
John Baldwin
404b3dcf21 - Properly sort GEOM and NODEVFS.
- GEOM doesn't need to specify a filename, the correct one is chosen by
  default.
2002-07-15 15:25:08 +00:00
John Baldwin
97fef0a119 Make WLCACHE and WLDEBUG MI options. 2002-07-15 15:21:51 +00:00
John Baldwin
7f01180e4e Make NDGBPORTS an MI option since the dgb(4) driver is an MI driver.
Remove comments about NDGBPORTS from the options* files.  Please document
options in NOTES, not in the options* files.
2002-07-15 15:18:34 +00:00
John Baldwin
7b52958662 Properly document NDGBPORTS and use a better value in NOTES. The normal
values for settings in NOTES is to use the default value + 1.
2002-07-15 15:17:22 +00:00
John Baldwin
e03e67ef3b Remove SIMOS option from here. It will be moving to a new home shortly. 2002-07-15 15:07:51 +00:00
John Baldwin
722e959358 Adjust a comment, the vga device only supports VGA cards. 2002-07-15 14:56:44 +00:00
John Baldwin
1d044dd784 The sources to the non-working esp device are no longer present in current. 2002-07-15 14:54:36 +00:00
John Baldwin
cb8881c3df Alpha does not support the PERFMON kernel option and does not have a
perfmon.c.
2002-07-15 14:45:32 +00:00
John Baldwin
319c5598e3 Neither options SLICE or sys/alpha/alpha/mountroot.c exist anymore. 2002-07-15 14:43:40 +00:00
Ian Dowse
417d8f25fc Re-fetch the interface handle after setting the config number,
because the previous interface handle gets freed when the config
number is set. This fixes a problem where memory could be accessed
after it was freed when the interface was ifconfig'd up.

Reviewed by:	n_hibma
2002-07-15 14:37:36 +00:00
John Baldwin
19612036d9 - Remove an irrelevant comment from i386 GENERIC.
- Remove unneeded quotes.
- Remove 'config' line.
- Rename ident to SIMOS.
2002-07-15 14:33:20 +00:00
John Baldwin
a916ce1acc Move ACPI device and options from MI NOTES to the i386 MD NOTES file. 2002-07-15 14:28:20 +00:00
Mark Murray
3de495c801 Very minor warns fix. Add a declaration for an unused parameter. 2002-07-15 14:06:03 +00:00
Mark Murray
c329aeecc6 Help lint out a bit; wrap some functions (redefined as macros) in #ifdef. 2002-07-15 14:04:08 +00:00
Mark Murray
bbf09ad887 Upgrade the random device to use a "real" hash instead of building
one out of a block cipher. This has 2 advantages:
1) The code is _much_ simpler
2) We aren't committing our security to one algorithm (much as we
   may think we trust AES).

While I'm here, make an explicit reseed do a slow reseed instead
of a fast; this is in line with what the original paper suggested.
2002-07-15 13:58:35 +00:00
Mark Murray
d56fb9ceb0 Fix some really pedantic GCC warnings. 2002-07-15 13:45:15 +00:00
Mark Murray
a8966f6598 Convert GNU variadic macros to the ISO 9X variety. 2002-07-15 13:34:50 +00:00
Mark Murray
80a0ead4fe Wrap GNU specific code in ifdefs, and help lint out by providing
some alternative definitions.
2002-07-15 13:29:40 +00:00
Mark Murray
7e622d3c84 Cast to prevent "signed/unsigned comparison" warnings. 2002-07-15 13:27:43 +00:00
Mark Murray
bbcfaa6aa0 Warnings and lint-assisting fixes; mark unused function parameters as
unused; wrap GNUisms (asm code) in appropriate #ifdefs.
2002-07-15 13:25:15 +00:00
Mark Murray
1cc6a5356c Consistently use semicolons to terminate macro invocations. Cleaner
style and fixes later warnings.
2002-07-15 13:17:23 +00:00
Mark Murray
8deedb62c1 Convert GNU-styled variadic macros to ISO(9x) style. 2002-07-15 13:15:31 +00:00
Mark Murray
4f8cb019ea Use a semicolon at the end of a function-like macro invocation. Kills
warnings and makes the visual style easier.
2002-07-15 13:13:04 +00:00
Mark Murray
8803fc01d8 Fix warning by marking unused function parameter. 2002-07-15 13:10:19 +00:00
Mark Murray
4f19a11aea ISOfy and minor warnsfix. 2002-07-15 13:08:44 +00:00
Mark Murray
64d85ef750 Use semicolons at the end of function-like macros for the sake of
consistency, style and future cleanliness.
2002-07-15 13:03:10 +00:00
Hajimu UMEMOTO
767f578267 Correct module name of my previous commit. 2002-07-15 11:22:37 +00:00
Alan Cox
5c8cdc0e2a o Create vm_contig_launder() to replace code that appears twice
in contigmalloc1().
2002-07-15 06:33:31 +00:00
Max Khon
937033e904 fix driver name in DRIVER_MODULE
MFC after:	3 days
2002-07-15 05:05:50 +00:00
Giorgos Keramidas
955f24e6b7 Use present tense in all the verbs, when describing loader's startup.
Most of them are not in a future tense already.
2002-07-15 03:39:34 +00:00
Mark Peek
11a78c514f Silence compiler warnings when DDB is not defined.
PR:		36002
Submitted by:	Yoshikazu GOTO <goto@snowy.to>
2002-07-15 02:03:17 +00:00
Alan Cox
8b8b8202f9 o Lock page queue accesses by vm_page_wire() that aren't
within a critical section.
 o Assert that the page queues lock is held in vm_page_wire()
   unless an Alpha.
2002-07-14 23:51:55 +00:00
Luigi Rizzo
a8c102a2ec Implement keepalives for dynamic rules, so they will not expire
just because you leave your session idle.

Also, put in a fix for 64-bit architectures (to be revised).

In detail:

ip_fw.h

  * Reorder fields in struct ip_fw to avoid alignment problems on
    64-bit machines. This only masks the problem, I am still not
    sure whether I am doing something wrong in the code or there
    is a problem elsewhere (e.g. different aligmnent of structures
    between userland and kernel because of pragmas etc.)

  * added fields in dyn_rule to store ack numbers, so we can
    generate keepalives when the dynamic rule is about to expire

ip_fw2.c

  * use a local function, send_pkt(), to generate TCP RST for Reset rules;

  * save about 250 bytes by cleaning up the various snprintf()
    in ipfw_log() ...

  * ... and use twice as many bytes to implement keepalives
    (this seems to be working, but i have not tested it extensively).

Keepalives are generated once every 5 seconds for the last 20 seconds
of the lifetime of a dynamic rule for an established TCP flow.  The
packets are sent to both sides, so if at least one of the endpoints
is responding, the timeout is refreshed and the rule will not expire.

You can disable this feature with

        sysctl net.inet.ip.fw.dyn_keepalive=0

(the default is 1, to have them enabled).

MFC after: 1 day

(just kidding... I will supply an updated version of ipfw2 for
RELENG_4 tomorrow).
2002-07-14 23:47:18 +00:00
Alan Cox
0d76c3ba86 o Lock page queue accesses by vm_page_wire(). 2002-07-14 23:31:04 +00:00
Alan Cox
9b973ca71f o Lock page queue accesses by vm_page_wire(). 2002-07-14 23:23:47 +00:00
Kelly Yancey
03d5516f44 Add some additional 802.11 media definitions.
Reviewed by:	imp
2002-07-14 21:58:19 +00:00
Alan Cox
613f5495ed o Lock page queue accesses by vm_page_wire(). 2002-07-14 20:40:32 +00:00
Alan Cox
700399bc41 o Lock page queue accesses by vm_page_wire(). 2002-07-14 20:24:40 +00:00
Alan Cox
9175709532 o Lock page queue accesses by vm_page_wire(). 2002-07-14 19:45:46 +00:00
Alan Cox
e16cfdbea4 o Lock page queue accesses by vm_page_wire(). 2002-07-14 19:36:15 +00:00
Alan Cox
b3afd20d9a In execve(), delay the acquisition of Giant until after kmem_alloc_wait().
(Operations on the exec_map don't require Giant.)
2002-07-14 17:58:35 +00:00
Philippe Charnier
12c63a03c5 The .Nm bootloader 2002-07-14 15:22:49 +00:00
Philippe Charnier
4251a2c1b4 The .Nm set of commands 2002-07-14 15:21:28 +00:00
Philippe Charnier
74026cdab0 The .Nm 2002-07-14 15:19:46 +00:00
Thomas Moestl
9f6388ba93 Miscellaneous fixes:
- always reinitialize the rx descriptors, even if the mbuf is kept.
  This should fix the hangs on ifconfig that were observed
- on an rx overflow, reinitialize the descriptor so that the interface
  will not hang
- correct some bus_dmamap_sync() calls
- correct some debug messages
- some minor nits
2002-07-14 12:09:48 +00:00
KATO Takenori
248309d434 MFi386: sys/i386/i386/machdep.c revision 1.522. 2002-07-14 09:33:26 +00:00
Julian Elischer
66d593142d part of a greater patch set..
1/ don't need to set td_state to TDS_RUNNING in fork_return.
it's already set in choosethread().
2/ Set a child process state to "normal" as opposed to "new"
when we allow it to be put on the run queue.
Allows child to receive signals from the parent if the parent
runs first and tries to immediatly signal he child.

Submitted by:  (part 2)	Thomas Moestl <tmoestl@gmx.net>
2002-07-14 08:29:15 +00:00
Warner Losh
8fe085c7ec Rearrange previous commit that passed the vendor id to the kernel in a way
that's binary compatible for -stable.  While binary compatibility doesn't
matter much in -current, it is critical for -stable.  This change requires
pccardd/pccardc to be recompiled.
2002-07-14 06:47:52 +00:00
Julian Elischer
c3b98db091 Thinking about it I came to the conclusion that the KSE states were incorrectly
formulated.  The correct states should be:
IDLE:  On the idle KSE list for that KSEG
RUNQ:  Linked onto the system run queue.
THREAD: Attached to a thread and slaved to whatever state the thread is in.

This means that most places where we were adjusting kse state can go away
as it is just moving around because the thread is..
The only places we need to adjust the KSE state is in transition to and from
the idle and run queues.

Reviewed by:	jhb@freebsd.org
2002-07-14 03:43:33 +00:00
Giorgos Keramidas
bab6337218 Typo: do do -> to do.
Reviewed by:	imp
2002-07-14 02:25:21 +00:00
Julian Elischer
ac8bcbb700 oops, state cannot be two different values at once..
use || instead of &&
2002-07-14 01:36:48 +00:00
Jake Burkholder
e32cbadc61 Try both upa-portid and portid properties when finding the module id of a
secondary cpu.  Its called portid on UltraSPARCIII machines.
2002-07-14 00:08:58 +00:00
Jake Burkholder
1ff72decea Remove debug code. 2002-07-14 00:01:16 +00:00
Alan Cox
eed6f3fd45 o Lock page queue accesses by vm_page_unmanage().
o Assert that the page queues lock is held in vm_page_unmanage().
2002-07-13 23:55:30 +00:00
Bruce Evans
3c9d896571 Quick fix for high resolution kernel profiling on i386's. Use
-finstrument-functions instead of -mprofiler-epilogue.  The former
works essentially the same as the latter but has a higher overhead
(about 22 more bytes per function for passing unused args to the
profiling functions).

Removed all traces of the IDENT Makefile variable, which had been
reduced to just a place for holding profiling's contribution to CFLAGS
(the IDENT that gives the kernel identity was renamed to KERN_IDENT).
2002-07-13 22:28:34 +00:00
Peter Wemm
5c5e3622e6 Two invlpg's slipped through that were not protected from I386_CPU
Pointed out by:	dillon
2002-07-13 21:55:11 +00:00
Peter Wemm
96fd5002b4 invlpg() does not work too well on i386 cpus. Add token i386 support
back in to the pmap_zero_page* stuff.
2002-07-13 21:03:08 +00:00
Peter Wemm
006490441d Do global shootdowns when switching to/from 4MB pages. I believe we can
do a shootdown on a 4MB "page" though, but this should be safer for now.

Noticed by:  tegge
2002-07-13 20:58:56 +00:00
Peter Wemm
a7b1f16c86 Bandaid for SMP. Changing APTDpde without a global shootdown is not
safe yet.  We used to do a global shootdown here anyway so another day
or so shouldn't hurt.
2002-07-13 20:56:18 +00:00
Alan Cox
1f54526952 o Complete the locking of page queue accesses by vm_page_unwire().
o Assert that the page queues lock is held in vm_page_unwire().
 o Make vm_page_lock_queues() and vm_page_unlock_queues() visible
   to kernel loadable modules.
2002-07-13 20:55:21 +00:00
Alan Cox
5123aaef42 o Lock some page queue accesses, in particular, those by vm_page_unwire(). 2002-07-13 20:13:34 +00:00
Alan Cox
753492f404 o Lock some page queue accesses, in particular, those by vm_page_unwire(). 2002-07-13 19:48:54 +00:00
Bruce Evans
8365569883 Moved the setting of all profiling-related variables except the key one
(PROFLEVEL) to kern.pre.mk so that it is easier to manage.  Bumped config
version to match.

Moved the check for cputype being configured to a less bogus place in
mkmakefile.c.
2002-07-13 19:36:14 +00:00
Alan Cox
2d09a6ad97 o Lock some page queue accesses, in particular, those by vm_page_unwire(). 2002-07-13 19:24:04 +00:00
Alfred Perlstein
8a32e0c96f Remove incorrect comment about now corrected manpage. 2002-07-13 17:11:17 +00:00
Alfred Perlstein
f0eb293e88 Move COMPAT_FREEBSD4 to arch-neutral sys/conf/NOTES.
Add COMPAT_FREEBSD4 to GENERIC for arches that existed in FreeBSD 4's time,
not just i386. (alpha and pc98)

Requested by: bde
2002-07-13 16:43:53 +00:00
Hajimu UMEMOTO
ad85ae6de1 When usb is kld, ucom and uplcom were failed to load because of
usbd_abort_pipe undefined.
2002-07-13 10:41:35 +00:00
Mike Heffner
73903b99ef Typo. 2002-07-13 07:21:53 +00:00
Alan Cox
9d1291be8f Lock accesses to the page queues. 2002-07-13 04:37:22 +00:00
Jonathan Mini
187e71f35d Add prototype for cred_free_thread() when DIAGNOSTIC is defined. 2002-07-13 04:37:10 +00:00
Jonathan Mini
08b38412c8 Add additional cred_free_thread() calls that I had missed the first time.
Pointed out by:	jhb
2002-07-13 04:36:50 +00:00
Alan Cox
b416fa1041 o Lock accesses to the page queues.
o Add a comment explaining why hoisting the page queue lock outside
   of a particular loop is not possible.
2002-07-13 04:09:45 +00:00
John Baldwin
03d7a9fffb - Change chroot_refuse_vdir_fds() to require that the passed in struct
filedesc is already locked rather than having chroot() unlock the
  filedesc so chroot_refuse_vdir_fds() can immediately relock it.
- Reorder chroot() a bitso that we do the namei lookup before checking
  the process's struct filedesc.  This closes at least one potential race
  and allows us to only acquire the filedsec lock once in chroot().
- Push down Giant slightly into chroot().
2002-07-13 04:07:12 +00:00
Jake Burkholder
d73b19ef9d Use a fixed address for KERNBASE, so it doesn't change if the size of KVA
is increased.  Its confusing for all the kernel addresses to change, and
doesn't serve much purpose as far as conserving address space.
2002-07-13 03:29:10 +00:00
Jake Burkholder
5d5d3157fb Identify UltraSPARC-III and UltraSPARC-III+ cpus. 2002-07-13 03:23:29 +00:00
John Baldwin
63c9e754e0 We don't need to clear oldcred here since newcred is not NULL yet. 2002-07-13 03:13:15 +00:00
Alan Cox
ae0ffa73cc Lock accesses to the page queues by sendfile() and friends. 2002-07-13 03:10:55 +00:00
Alan Cox
93bc4879e6 o Assert GIANT_REQUIRED on system maps in _vm_map_lock(),
_vm_map_lock_read(), and _vm_map_trylock().  Submitted by: tegge
 o Remove GIANT_REQUIRED from kmem_alloc_wait() and kmem_free_wakeup().
   (This clears the way for exec_map accesses to move outside of Giant.
   The exec_map is not a system map.)
 o Remove some premature MPSAFE comments.

Reviewed by:	tegge
2002-07-12 23:20:06 +00:00
Luigi Rizzo
3956b02345 Avoid dereferencing a null pointer in ro_rt.
This was always broken in HEAD (the offending statement was introduced
in rev. 1.123 for HEAD, while RELENG_4 included this fix (in rev.
1.99.2.12 for RELENG_4) and I inadvertently deleted it in 1.99.2.30.

So I am also restoring these two lines in RELENG_4 now.
We might need another few things from 1.99.2.30.
2002-07-12 22:08:47 +00:00
Matthew Dillon
fbcf77c2ea Re-enable the idle page-zeroing code. Remove all IPIs from the idle
page-zeroing code as well as from the general page-zeroing code and use a
lazy tlb page invalidation scheme based on a callback made at the end
of mi_switch.

A number of people came up with this idea at the same time so credit
belongs to Peter, John, and Jake as well.

Two-way SMP buildworld -j 5 tests (second run, after stabilization)
    2282.76 real  2515.17 user  704.22 sys	before peter's IPI commit
    2266.69 real  2467.50 user  633.77 sys	after peter's commit
    2232.80 real  2468.99 user  615.89 sys	after this commit

Reviewed by:	peter, jhb
Approved by:	peter
2002-07-12 20:17:06 +00:00
Julian Elischer
40e550266d also set the KSE state for the idle KSE/thread case. 2002-07-12 20:16:46 +00:00
Tom Rhodes
ae76f60046 Fix a type: s/your are/you are/ 2002-07-12 19:56:31 +00:00
John Baldwin
33d7ad1abe Set the thread state of the newly chosen to run thread to TDS_RUNNING in
choosethread() in MI C code instead of doing it in in assembly in all the
various cpu_switch() functions.  This fixes problems on ia64 and sparc64.

Reviewed by:	julian, peter, benno
Tested on:	i386, alpha, sparc64
2002-07-12 18:34:22 +00:00
Alan Cox
a4e80b6b64 Lock accesses to the page queues. 2002-07-12 17:21:22 +00:00
Thomas Moestl
5c85966098 Fix ptrace(PT_READ_*, ...) for non-little-endian architectures where
sizeof(register_t) != sizeof(int).
2002-07-12 16:48:05 +00:00
Thomas Moestl
a935ed4fae When sending cache flushing IPIs, don't try to IPI the triggering CPU
itself; this causes undefined behaviour on UltraSPARCs. In particular,
the interrupt packet data words will not necessarily be delivered
correctly, which would result in a crash.
This bug also caused the cache-flushing work to be done twice on the
triggering CPU (when it did not cause crashes).

Reviewed by:	jake
2002-07-12 16:26:49 +00:00
Don Lewis
2d20c83f93 Back out the previous change, since it looks like locking udbinfo provides
sufficient protection.
2002-07-12 09:55:48 +00:00
Peter Wemm
485a325e59 Be specific about which reason caused vm86_addpages to panic 2002-07-12 08:15:42 +00:00
Don Lewis
bb1dd7a45a Lock inp while we're accessing it. 2002-07-12 08:05:22 +00:00
Peter Wemm
f1b665c8fe Revive backed out pmap related changes from Feb 2002. The highlights are:
- It actually works this time, honest!
- Fine grained TLB shootdowns for SMP on i386.  IPI's are very expensive,
  so try and optimize things where possible.
- Introduce ranged shootdowns that can be done as a single IPI.
- PG_G support for i386
- Specific-cpu targeted shootdowns.  For example, there is no sense in
  globally purging the TLB cache for where we are stealing a page from
  the local unshared process on the local cpu.  Use pm_active to track
  this.
- Add some instrumentation for the tlb shootdown code.
- Rip out SMP code from <machine/cpufunc.h>
- Try and fix some very bogus PG_G and PG_PS interactions that were bad
  enough to cause vm86 bios calls to break.  vm86 depended on our existing
  bugs and this was the cause of the VESA panics last time.
- Fix the silly one-line error that caused the 'panic: bad pte' last time.
- Fix a couple of other silly one-line errors that should have caused more
  pain than they did.

Some more work is needed:
- pmap_{zero,copy}_page[_idle].  These can be done without IPI's if we
  have a hook in cpu_switch.
- The IPI handlers need some cleanup.  I have a bogus %ds load that can
  be avoided.
- APTD handling is rather bogus and appears to be a large source of
  global TLB IPI shootdowns for no really good reason.

I see speedups of between 1.5% and ~4% on buildworlds in a while 1 loop.
I expect to see a bigger difference when there is significant pageout
activity or the system otherwise has memory shortages.

I have backed out a few optimizations that I had been using over the last
few days in order to be a little more conservative.  I'll revisit these
again over the next few days as the dust settles.

New option:  DISABLE_PG_G - In case I missed something.
2002-07-12 07:56:11 +00:00
Alfred Perlstein
d11a56617d regen for freebsd4_sendfile(2) compat. 2002-07-12 06:52:44 +00:00
Alfred Perlstein
9c34129662 Create a bug-for-bug FreeBSD4 compatible version of sendfile and move the
fixed sendfile over.  This is needed to preserve binary compatibility from
4.x to 5.x.
2002-07-12 06:51:57 +00:00
Alfred Perlstein
074453c230 Introduce syscall.master option 'COMPAT4' which allows one to wrap
syscalls for FreeBSD 4 compatibility.
Add kernel option COMPAT_FREEBSD4 to enable these syscalls.
2002-07-12 06:38:34 +00:00
Peter Wemm
4a0226c633 Unexpand a couple of 8-space indents that I added in rev 1.285. 2002-07-12 04:58:51 +00:00
Peter Wemm
a7e9138e37 Avoid a vm_page_lookup() - that uses a spinlock protected hash. We can
just use the object's memq for our nefarious purposes.
2002-07-12 04:38:51 +00:00
Alan Cox
7538e5500d o Lock some (unfortunately, not yet all) accesses to the page queues. 2002-07-12 03:17:22 +00:00