Commit Graph

77595 Commits

Author SHA1 Message Date
Marko Zec
a83baab6e4 Remove a redundant variable assignment.
Reviewed by:	bz, rwatson
MFC after:	3 days
2010-05-01 18:34:50 +00:00
Warner Losh
a932985f50 Enable AH_RXCFG_SDMAMW_4BYTES option. See NOTES file for why this is
workaround (WAR) is needed.
2010-05-01 16:39:46 +00:00
Warner Losh
7e005410db Put the -current debugging options back into AR71XX. 2010-05-01 16:38:40 +00:00
Warner Losh
bc391cb2ce The Atheros AR71xx CPUs, when paired with the AR5212 parts, has a bug
that generates a fatal bus trap.  Normally, the chips are setup to do
128 byte DMA bursts, but when on this CPU, they can only safely due
4-byte DMA bursts due to this bug.  Details of the exact nature of the
bug are sketchy, but some can be found at
https://forum.openwrt.org/viewtopic.php?pid=70060 on pages 4, 5 and 6.
There's a small performance penalty associated with this workaround,
so it is only enabled when needed on the Atheros AR71xx platforms.

Unfortunately, this condition is impossible to detect at runtime
without MIPS specific ifdefs.  Rather than cast an overly-broad net
like Linux/OpenWRT dues (which enables this workaround all the time on
MIPS32 platforms), we put this option in the kernel for just the
affected machines.  Sam didn't like this aspect of the patch when he
reviewed it, and I'd love to hear sane proposals on how to fix it :)

Reviewed by:	sam@
2010-05-01 16:36:14 +00:00
Konstantin Belousov
3087dc40a9 Extract thread_lock()/ruxagg()/thread_unlock() fragment into utility
function ruxagg_tlock().
Convert the definition of kern_getrusage() to ANSI C.

Submitted by:	Alexander Krizhanovsky <ak natsys-lab com>
MFC after:	1 week
2010-05-01 14:46:17 +00:00
Konstantin Belousov
6a5baa54fd Remove debugging code that was not used once since commit.
Suggested by:	bde
MFC after:	1 week
2010-05-01 13:15:35 +00:00
Kip Macy
0ce3ba8cd5 Update locking comment above vm_page:
- re-assign page queue lock "Q"
       - assign page lock "P"
       - update several uncommented fields
       - observe that hold_count is now protected by the page lock "P"
2010-05-01 03:41:21 +00:00
Jung-uk Kim
483191871b Reduce MD code further. At least, it compiles on ia64 now (but it is not
connected to build).  The idea/code was shamelessly taken from r207329.
2010-05-01 01:05:07 +00:00
Jung-uk Kim
2083bca542 Do not initialize mutex and return error if it cannot map memory. 2010-05-01 00:36:40 +00:00
Kip Macy
7bec141b12 push up dropping of the page queue lock to avoid holding it in vm_pageout_flush 2010-04-30 22:31:37 +00:00
Kip Macy
ad0c05daf9 don't call vm_pageout_flush with the page queue mutex held
Reported by: Michael Butler
2010-04-30 21:21:21 +00:00
Kip Macy
6dd8b893d6 - acquire the page lock in vm_contig_launder_page before checking page fields
- release page queue lock before calling vm_pageout_flush
2010-04-30 21:20:14 +00:00
Kip Macy
e8f263195d - don't check hold_count without the page lock held
- don't leak the page lock if m->object is NULL
  (assuming that that check will in fact even be valid when m->object is protected by the page lock)
2010-04-30 19:40:37 +00:00
Pyun YongHyeon
b9ddb8695d Add Marvell PHYG65G Gigabit PHY which is found on 88E8059 Yukon Optima.
Tested by:	James LaLagna < jameslalagna <> gmail dot com >
MFC after:	5 days
2010-04-30 19:01:55 +00:00
Pyun YongHyeon
e19bd6ee55 Add basic support for Marvell 88E8059 Yukon Optima.
Tested by:	James LaLagna < jameslalagna <> gmail dot com >
MFC after:	5 days
2010-04-30 18:58:55 +00:00
Pyun YongHyeon
7c8db6fd16 Disable non-ASF packet flushing on Yukon Extreme as vendor's driver
does. Without this change, Yukon Extreme seems to generate lots of
RX FIFO overruns even though controller has available RX buffers.
These excessive RX FIFO overruns generated lots of pause frames
which in turn killed devices plugged into switch. It seems there is
still occasional RX frame corruption on Yukon Extreme but this
change seems to fix the pause frame storm.

Reported by:	jhb
Tested by:	jhb
MFC after:	5 days
2010-04-30 18:04:46 +00:00
Randall Stewart
ad30c76f94 Bug in the memory mapping module. The wrong
physaddr was being used in the macro (1 should be
used not 2)...

Obtained from:	JC
2010-04-30 17:12:20 +00:00
Zachary Loafman
1dac222419 Handle taskqueue_drain(9) correctly on a threaded taskqueue:
taskqueue_drain(9) will not correctly detect whether a task is
currently running.  The check is against a field in the taskqueue
struct, but for a threaded queue with more than one thread, multiple
threads can simultaneously be running a task, thus stomping over the
tq_running field.

Submitted by:       Matthew Fleming <matthew.fleming@isilon.com>
Reviewed by:        jhb
Approved by:        dfr (mentor)
2010-04-30 16:29:05 +00:00
Konstantin Belousov
e20e8c1558 Unlock page lock instead of recursively locking it. 2010-04-30 16:20:14 +00:00
Alan Cox
c7a0df65b1 MFamd64/i386 r207205
Clearing a page table entry's accessed bit and setting the page's
  PG_REFERENCED flag in pmap_protect() can't really be justified, so
  don't do it.

Additionally, two changes that make this pmap behave like the others do:

Change pmap_protect() such that it calls vm_page_dirty() only if the
page is managed.

Change pmap_remove_write() such that it doesn't clear a page table
entry's accessed bit.
2010-04-30 15:22:52 +00:00
Alexander Motin
6ee4d8696f Revert r198705.
As scottl@ noticed, max_target/max_lun was intended to be only a hint for
existing bus scanner. Some FC/SAS SIMs report fake values there, that are
smaller then maximum supported IDs. In that case this check makes impossible
manual scan outside hinted range.

For ATA/SATA SIMs respective check was instead implemented at SIM level.
Newer SCSI SIMs expected to have these checks at driver or firmware level.
Some older SCSI SIMs have no this check and the issues will get back there.
2010-04-30 08:57:03 +00:00
Alexander Motin
5b228a7a86 Add Target/LUN ID checks. 2010-04-30 08:37:00 +00:00
Alexander Motin
81a75ae365 Add Target/LUN ID checks and deny access to targets 1-14 when PMP absent. 2010-04-30 08:22:47 +00:00
Alexander Motin
89f2835fc9 Add Target/LUN ID checks and deny access to targets 1-14 when PMP absent.
Enforce PMA bit clearing when PMP detached to avoid further scan timeouts.
2010-04-30 08:02:12 +00:00
Alexander Motin
e2a751891f Report PMP absence using target 15, same as for precence (not a wildcard),
to not confuse target ID checks at SIMs.
2010-04-30 07:56:21 +00:00
Martin Matuska
d8665eb1f6 Fix improper pool write throughput calculation.
OpenSolaris onnv revision:	9366:17553395a745

PR:		kern/146108
Approved by:	pjd, delphij (mentor)
Obtained from:	OpenSolaris, Bug ID 6817339
MFC after:	2 weeks
2010-04-30 07:48:29 +00:00
Edward Tomasz Napierala
8016863c91 Avoid undefined behaviour.
Reviewed by:	zec@
2010-04-30 07:09:13 +00:00
Kip Macy
958d87cd86 merge 194209 in to the i386/xen pmap
requested by: alc@
2010-04-30 03:26:12 +00:00
Alfred Perlstein
b7402d8269 Avoid allocating MAXHOSTNAMELEN bytes on the stack in expand_name(),
use the heap instead.

Obtained from: Juniper Networks

Reviewed by:	jhb
2010-04-30 03:15:00 +00:00
Alfred Perlstein
fba6b1af2e Don't leak core_buf or gzfile if doing a compressed core file and we
hit an error condition.

Obtained from: Juniper Networks
2010-04-30 03:13:24 +00:00
Alfred Perlstein
feb112c552 Do not set IO_NODELOCKED while writing to vnodes as our consumers
do not lock the vnodes.

Obtained from: Juniper Networks

Reviewed by:	jhb
2010-04-30 03:10:53 +00:00
Kip Macy
6d74d042e3 don't allow unsynchronized free in vm_page_unhold 2010-04-30 02:46:49 +00:00
David Christensen
7c409214bf - Enable flow control.
- Print device details only when verbose boot is enabled.
- Add debug output for shared memory access.
- Add debug statistics (checksum offload & VLAN frame counters).
- Modify TX path to update consumer index for each frame completed
  rather than updating the consumer index only once for a group of
  frames to improve small packet performance.
- Print driver/firmware pulse messages only when verbose boot
  is enabled.
- Add debug sysctl to clear statistics.
- Fix more style(9) violations.

MFC after:	2 weeks
2010-04-30 02:35:46 +00:00
Kip Macy
2965a45315 On Alan's advice, rather than do a wholesale conversion on a single
architecture from page queue lock to a hashed array of page locks
(based on a patch by Jeff Roberson), I've implemented page lock
support in the MI code and have only moved vm_page's hold_count
out from under page queue mutex to page lock. This changes
pmap_extract_and_hold on all pmaps.

Supported by: Bitgravity Inc.

Discussed with: alc, jeffr, and kib
2010-04-30 00:46:43 +00:00
Pyun YongHyeon
106b2e2ff2 Both RX_GMF_LP_THR and RX_GMF_UP_THR must be 16 bits register. If
it is 8bits register then RX FIFO size can't exceed 2KB which is
not true for almost all Yukon II controller.
2010-04-30 00:34:00 +00:00
Andrew Thompson
8cfa1186ed usb_controller.c requires opt_ddb.h 2010-04-29 22:51:18 +00:00
David Christensen
ae575eab2c - Pass flow control settings back to bce(4).
MFC after:	Two weeks
2010-04-29 22:00:57 +00:00
Pyun YongHyeon
c186cf13eb Enable VLAN hardware tag insertion/stripping. Due to lack of SiS190
controller, I'm not sure whether this is also applicable to SiS190
so this feature is only activated on SiS191 controller.
In theory, controller reinitialization is not needed when VLAN tag
configuration is changed, but xclin said controller was not stable
whenever toggling VLAN tag bit. To address that, sge(4)
reinitialize controller for VLAN configuration which seems to work
as expected. VLAN tag information for TX/RX descriptor and
configure bit of RxMacControl register was found by xclin.

Submitted by:	xclin <xclin <> cs dot nctu dot edu dot tw > (initial version)
Tested by:	xclin <xclin <> cs dot nctu dot edu dot tw >
2010-04-29 18:14:14 +00:00
Pyun YongHyeon
d1c5ee8030 Enable FCS stripping and padding 10 bytes bit of RX MAC control
register. Due to lack of SiS190 controller, I'm not sure whether
this is also applicable to SiS190 so this feature is only activated
on SiS191 controller.
The controller can pad 10 bytes before DMAing a received frame to
RX buffer and received bytes include the padded bytes. This padding
is very useful on strict-alignment architectures because driver
does not have to copy received frame to align IP header on 4 bytes
boundary. It also gives better RX performance on non-strict
alignment architectures. Special thanks to xclin to give me
valuable register information. Without his enthusiastic trial and
errors this wouldn't be even possible.

While I'm here tighten validity check of received frame. Controller
clears RDS_CRCOK bit when it received bad CRC frames. xclin found
that using loop back testing.

Tested by:	xclin <xclin <> cs dot nctu dot edu dot tw >
2010-04-29 18:00:42 +00:00
Pyun YongHyeon
7f20f021e1 Explicitly marks SiS190 to differentiate it from SiS191. 2010-04-29 17:34:01 +00:00
Pyun YongHyeon
60a1a1542e Remove wrong link state chage. 2010-04-29 17:30:21 +00:00
Pyun YongHyeon
9c2851d29a Preserve unknown bits of RX MAC control register when driver
programs RX filter configuration. It seems RX MAC control register
is one of key registers to get various offloading features as well
as performance. Blindly clearing unrelated bits can result in
unexpected results.

Tested by:	xclin <xclin <> cs dot nctu dot edu dot tw >
2010-04-29 17:28:07 +00:00
Alan Cox
82bfb965d1 Simplify the inner loop of vm_pageout_object_deactivate_pages(). Rather
than checking each page for PG_UNMANAGED, check the vm object's type.
Only OBJT_PHYS can have unmanaged pages.  Eliminate a pointless counter.
The vm object is locked, that lock is never released by the inner loop,
and the set of pages contained by the vm object is not changed by the
inner loop.  Therefore, the counter serves no purpose.
2010-04-29 16:18:45 +00:00
Alan Cox
1332aaf9ed MFamd64/i386 r207205
Clearing a page table entry's accessed bit and setting the page's
  PG_REFERENCED flag in pmap_protect() can't really be justified, so
  don't do it.  Moreover, on ia64, don't set the page's dirty field
  unless pmap_protect() is removing write access.
2010-04-29 15:47:31 +00:00
Rui Paulo
4f43f86e0b Decrement rxa_pad due to the addition of rxa_private. 2010-04-29 15:19:11 +00:00
Bjoern A. Zeeb
82cea7e6f3 MFP4: @176978-176982, 176984, 176990-176994, 177441
"Whitspace" churn after the VIMAGE/VNET whirls.

Remove the need for some "init" functions within the network
stack, like pim6_init(), icmp_init() or significantly shorten
others like ip6_init() and nd6_init(), using static initialization
again where possible and formerly missed.

Move (most) variables back to the place they used to be before the
container structs and VIMAGE_GLOABLS (before r185088) and try to
reduce the diff to stable/7 and earlier as good as possible,
to help out-of-tree consumers to update from 6.x or 7.x to 8 or 9.

This also removes some header file pollution for putatively
static global variables.

Revert VIMAGE specific changes in ipfilter::ip_auth.c, that are
no longer needed.

Reviewed by:	jhb
Discussed with:	rwatson
Sponsored by:	The FreeBSD Foundation
Sponsored by:	CK Software GmbH
MFC after:	6 days
2010-04-29 11:52:42 +00:00
Andriy Gapon
deb3b115e2 ffs_vfsops: restore alphabetic order of options in ffs_opts
The order was not correct only for nfsv4acls.
("no" prefix is ignored)

MFC after:	1 week
2010-04-29 10:04:00 +00:00
Konstantin Belousov
6fb8c0c117 When doing kstack swapin, read as much pages in one run as possible.
Suggested and reviewed by:	alc (previous version)
Tested by:	pho
MFC after:	2 weeks
2010-04-29 09:59:16 +00:00
Konstantin Belousov
e86a87e97e In swap pager, do not free the non-requested pages from the run if they are
wired. Kstack pages are wired, this change prepares swap pager for handling
of long runs of kstack pages.

Noted and reviewed by:	alc
Tested by:	pho
MFC after:	2 weeks
2010-04-29 09:57:25 +00:00
Konstantin Belousov
e68d26fd5d Remove caddr_t casts.
Requested by:	bde
MFC after:	10 days
2010-04-29 09:55:51 +00:00
Andriy Gapon
4f27c5edfe kern_ntptime: drop a comment that became stale after r207359
MFC after:	1 week
X-MFC after:	r207359
2010-04-29 09:18:36 +00:00
Andriy Gapon
5c7e270fcd periodically save system time to hardware time-of-day clock
This is done in kern_ntptime, perhaps not the best place.
This is done using resettodr().
Some features:
- make save period configurable via tunable and sysctl
- period of zero disables saving, setting a non-zero period re-enables
  it or reschedules it
- do saving only if system clock is ntp-synchronized
- save on shutdown

Discussed with:	des, Peter Jeremy <peterjeremy@acm.org>
X-Maybe:		save time near seconds boundary for better precision
MFC after:		2 weeks
2010-04-29 09:02:46 +00:00
Andriy Gapon
9a9ae42a43 kern_ntptime: abstract time error check into a function
... to avoid code duplication

MFC after:	1 week
2010-04-29 09:02:21 +00:00
Yoshihiro Takahashi
9aac760c7d MFi386: revision 206553
- Change printf() calls to uprintf() for sigreturn().
  - Normalize the messages to include both pid and thread name.
2010-04-29 06:22:07 +00:00
Maxim Sobolev
ff605594dd On certain chipsets AT keyboard controller isn't present and is
emulated by BIOS using SMI interrupt. On those chipsets reading
from the status port may be thousand times slower than usually.
Sometimes this emilation is not working properly resulting in
commands timing out and since we assume that inb() operation
takes very little time to complete we need to adjust number of
retries to keep waiting time within a designed limits (100ms).
Measure time it takes to make read_status() call and adjust
number of retries accordingly.

To keep it simple, use TSC to measure inb() performance and
keep it to amd64-only, since TSC may not available on older
CPUs.

Also enable detection of the AT controller absence on amd64.

Reviewed by:	jhb
MFC after:	1 month
2010-04-29 06:16:00 +00:00
Rick Macklem
8583f92fdf For the experimental NFS client, it should always flush dirty
buffers before closing the NFSv4 opens, as the comment states.
This patch deletes the call to nfscl_mustflush() which would
return 0 for the case where a delegation still exists, which
was incorrect and could cause crashes during recovery from
an expired lease.

MFC after:	1 week
2010-04-28 23:16:21 +00:00
Rick Macklem
cb8a84e08e Delete a diagnostic statement that is no longer useful from
the experimental NFS client.

MFC after:	1 week
2010-04-28 23:05:42 +00:00
Jung-uk Kim
3f5e024c14 Merge ACPICA 20100428. 2010-04-28 22:25:27 +00:00
Jack F Vogel
beef45ff88 Address the LOD that some are seeing, put the RX lock
back in rxeof (I could see little point in taking it out),
and now release it before the stack entry.

Also, make it so the 82574 does not configure for multiqueue
when its not used in the stack.
2010-04-28 19:22:52 +00:00
John Baldwin
aa1385cd7b Initialize the callout structure earlier in attach before calling any
routines that can fail since ciss_free() always tries to stop and drain
the callout.
2010-04-28 18:49:45 +00:00
Pawel Jakub Dawidek
b19b0de471 Backport fix for 'zfs_znode_dmu_init: existing znode for dbuf' panic from OpenSolaris.
PR:		kern/144402
Reported by:	Alex Bakhtin <alex.bakhtin@gmail.com>
Tested by:	Alex Bakhtin <alex.bakhtin@gmail.com>
Obtained from:	OpenSolaris, Bug ID 6895088
MFC after:	3 days
2010-04-28 18:29:48 +00:00
Jack F Vogel
1655af0a72 Change default WOL back to MAGIC only, having
multicast enabled causes problems in man environments.
2010-04-28 17:37:30 +00:00
Jung-uk Kim
8c975e70af Remove dead code. Calculated greatest common divisor was not used at all.
On top of that, LLVM+Clang mis-compiles this code because of its register
allocator bug.

Analyzed by:	Andrew Reilly (areilly at bigpond dot net dot au)
Reviewed by:	ariff, rdivacky
MFC after:	3 days
2010-04-28 17:26:05 +00:00
Attilio Rao
d8b878873e - Extract the IODEV_PIO interface from ia64 and make it MI.
In the end, it does help fixing /dev/io usage from multithreaded
  processes.
- On i386 and amd64 the old behaviour is kept but multithreaded
  processes must use the new interface in order to work well.
- Support for the other architectures is greatly improved, where
  necessary, by the necessity to define very small things now.

Manpage update will happen shortly.

Sponsored by:	Sandvine Incorporated
PR:		threads/116181
Reviewed by:	emaste, marcel
MFC after:	3 weeks
2010-04-28 15:38:01 +00:00
Rui Paulo
ee6b5ace1f Add a private field to struct ieee80211_rx_ampdu do hold driver specific
data.

Sponsored by:	iXsystems, inc
2010-04-28 14:59:05 +00:00
Rui Paulo
dfe4a64b12 Add ic_rxstream and ic_txstream. These variables hold the number of RX
streams and the number of TX streams respectively.

Obtained from:	//depot/user/rpaulo/80211n/...
Sponsored by:	iXsystems, inc.
2010-04-28 13:42:13 +00:00
Rui Paulo
380fe2df60 When in the RUN -> AUTH -> RUN FSM transition happens, we'll call the
ratectl_node_init() functions and since ni_rtctls was already
malloc'ed() we will panic. Fix this by using the already malloc'ed
pointer.

Found by:	bschmidt
Reviewed by:	bschmidt
2010-04-28 13:25:53 +00:00
Rui Paulo
48e1bda05f Fix typo. No functional change.
Obtained from:	DragonFlyBSD
2010-04-28 10:58:50 +00:00
Robert Noland
e7699af0af fx->lock is used as an index, correct test case.
MFC after:	1 week
2010-04-28 10:33:41 +00:00
Jeff Roberson
2bd20091e4 - When canceling jaddrefs they may not yet be in the journal if this is via
a revert call.  In this case don't attempt to remove something that
   has not yet been added.  Otherwise this jaddref must hang around
   to prevent the bitmap write as normal.
2010-04-28 07:57:37 +00:00
Jeff Roberson
3b32573a9f - Fix builds without SOFTUPDATES defined in the kernel config. 2010-04-28 07:26:41 +00:00
Alan Cox
77d6d85393 Setting PG_REFERENCED on a page at the end of vm_fault() is redundant since
the page table entry's accessed bit is either preset by the immediately
preceding call to pmap_enter() or by hardware (or software) upon return
from vm_fault() when the faulting access is restarted.
2010-04-28 06:34:47 +00:00
Kirk McKusick
a4bf5fb987 Update to current version of head. 2010-04-28 05:33:59 +00:00
Alan Cox
6a2a3d7338 Change vm_object_madvise() so that it checks whether the page is invalid
or unmanaged before acquiring the page queues lock.  Neither of these
tests require that lock.  Moreover, a better way of testing if the page
is unmanaged is to test the type of vm object.  This avoids a pointless
vm_page_lookup().

MFC after:	3 weeks
2010-04-28 04:57:32 +00:00
Alan Cox
030d4cda77 Adapt i386 r207205 to mips: Clearing PV_TABLE_REF and setting the page's
PG_REFERENCED flag in pmap_protect() can't really be justified, so don't
do it.
2010-04-28 04:25:36 +00:00
Kip Macy
3e8b572db4 need to initialize the lock before it is used
MFC after:	3 days
2010-04-27 23:48:50 +00:00
Marius Strobl
8ba5efbd6f On sparc64 obtain the initiator ID to be used for SPI HBAs from the
Open Firmware device tree in order to match what the PROM built-in
driver uses. This is especially important when netbooting Fujitsu
Siemens PRIMEPOWER250 as in that case the built-in driver isn't used
and the port facts PortSCSIID defaults to 0, conflicting with the
disk at the same address.
2010-04-27 18:41:16 +00:00
Marius Strobl
a8217f5c2e Replace a magic value with the appropriate macro. 2010-04-27 18:06:54 +00:00
Marius Strobl
699346fc8b - On sparc64 obtain the initiator ID from the Open Firmware device tree
in order to match what the PROM built-in driver uses.
- Remove some no longer used includes.
2010-04-27 18:05:33 +00:00
Alexander Motin
2eb4a8dcae Update device identify data and serial number when device change detected.
Reprobe immediately following this should have fresh data.
2010-04-27 15:59:38 +00:00
Marius Strobl
45191d2588 Take advantage of OF_getscsinitid(). 2010-04-27 15:50:25 +00:00
Bjoern A. Zeeb
1b610a749e MFP4: @177254
Add missing CURVNET_RESTORE() calls for multiple code paths, to stop
leaking the currently cached vnet into callers and to the process.

Sponsored by:	The FreeBSD Foundation
Sponsored by:	CK Software GmbH
MFC after:	4 days
2010-04-27 15:16:54 +00:00
Bjoern A. Zeeb
7a657e630d Enhance the historic behaviour of raw sockets and jails in a way
that we allow all possible jail IPs as source address rather than
forcing the "primary". While IPv6 naturally has source address
selection, for legacy IP we do not go through the pain in case
IP_HDRINCL was not set. People should bind(2) for that.

This will, for example, allow ping(|6) -S to work correctly for
non-primary addresses.

Reported by:	(ten 211.ru)
Tested by:	(ten 211.ru)
MFC after:	4 days
2010-04-27 15:07:08 +00:00
Bjoern A. Zeeb
877fc3b64b Make sure IPv6 source address selection does not change interface
addresses while walking the IPv6 address list if in the jail case
something is connecting to ::1.

Reported by:	Pieter de Boer (pieter thedarkside.nl)
Tested by:	Pieter de Boer (pieter thedarkside.nl)
MFC after:	4 days
2010-04-27 15:05:03 +00:00
Bruce M Simpson
fd963b9929 Fix a regression where DVMRP diagnostic traffic, such as that used
by mrinfo and mtrace, was dropped by the IGMP TTL check. IGMP control
traffic must always have a TTL of 1.

Submitted by:	Matthew Luckie
MFC after:	3 days
2010-04-27 14:14:21 +00:00
Konstantin Belousov
8bac98182a Style: use #define<TAB> instead of #define<SPACE>.
Noted by:	bde, pluknet gmail com
MFC after:	11 days
2010-04-27 09:48:43 +00:00
Konstantin Belousov
99c750a814 Provide 32bit compat for SIOCGDEFIFACE_IN6.
Based on submission by:	pluknet gmail com
Reviewed by:	emaste
MFC after:	2 weeks
2010-04-27 09:47:14 +00:00
Alan Cox
14dd3a29ea MFi386 r207205
Clearing a page table entry's accessed bit (PG_A) and setting the
  page's PG_REFERENCED flag in pmap_protect() can't really be justified,
  so don't do it.
2010-04-27 05:35:35 +00:00
Pyun YongHyeon
4c7421aadb It seems ale(4) controllers do not like to see TCP payload in the
first descriptor in TSO case. Otherwise controller can generate bad
frames during TSO. To address it, make sure to pull up ethernet +
IP + TCP header with options in first buffer. Also ensure the
buffer length of the first descriptor for TSO covers entire ethernet
+ IP + TCP with options and setup additional Tx descriptor if the
first buffer includes TCP payload.

Tested by:	Amar Takhar <verm <> darkbeer dot org >
MFC after:	1 week
2010-04-26 21:08:15 +00:00
Marius Strobl
b641222476 Don't bother enabling interrupts before we're ready to handle them. This
prevents the firmware of Fujitsu Siemens PRIMEPOWER250, which both causes
stray interrupts and erroneously enables interrupts at least when calling
SUNW,set-trap-table, in the foot.
2010-04-26 20:19:49 +00:00
Marius Strobl
e2f198273c Add OF_getscsinitid(), a helper similar to OF_getetheraddr() but for
obtaining the initiator ID to be used for SPI controllers from the
Open Firmware device tree.
2010-04-26 19:13:10 +00:00
Marius Strobl
2d857b9b19 For the on-board interfaces found in Fujitsu SPARC64 machines obtain the
MAC address via OFW as well.
2010-04-26 18:56:06 +00:00
Marius Strobl
cbafc5aff6 - Add a missing const.
- Map the NS16550 found in Fujitsu Siemens PRIMEPOWER250 to PNP0501 as well.
2010-04-26 18:49:06 +00:00
Marius Strobl
239bcd0237 Skip the pseudo-devices found in Fujitsu Siemens PRIMEPOWER250. 2010-04-26 18:44:30 +00:00
Lawrence Stewart
7d11e744c1 - Rework the underlying ALQ storage to be a circular buffer, which amongst other
things allows variable length messages to be easily supported.

- Extend KPI with alq_writen() and alq_getn() to support variable length
  messages, which is enabled at ALQ creation time depending on the
  arguments passed to alq_open(). Also add variants of alq_open() and
  alq_post() that accept a flags argument. The KPI is still fully
  backwards compatible and shouldn't require any change in ALQ consumers
  unless they wish to utilise the new features.

- Introduce the ALQ_NOACTIVATE and ALQ_ORDERED flags to allow ALQ consumers
  to have more control over IO scheduling and resource acquisition
  respectively.

- Strengthen invariants checking.

- Document ALQ changes in ALQ(9) man page.

Sponsored by:	FreeBSD Foundation
Reviewed by:	gnn, jeff, rpaulo, rwatson
MFC after:	1 month
2010-04-26 13:48:22 +00:00
Alexander Motin
699f853bed MFp4:
Move PI_TAG_ABLE check from ada driver to ATA XPT.
2010-04-26 12:03:55 +00:00
Alexander Motin
22b9488310 Mark ATA channel as idle on timeout in non-ATA_CAM mode.
This should fix possible duplicate request completion.

Submitted by:	mjacob
2010-04-26 11:58:15 +00:00
Kip Macy
cd4d97b439 missed pv access before pmap lock 2010-04-25 23:51:05 +00:00
Kip Macy
c28d264aa0 Incremental reduction of delta with head_page_lock_2 branch
- replace modification of pmap resident_count with pmap_resident_count_{inc,dec}
- the pv list is protected by the pmap lock, but in several cases we are relying
  on the vm page queue mutex, move pv_va read under the pmap lock
2010-04-25 23:18:02 +00:00
Andrew Thompson
f6a9d95ba3 Set USB_DEBUG like the other platforms, I had turned it off to test the build
before committing r207077.

Spotted by:	marius
2010-04-25 22:01:32 +00:00
Alan Cox
0d2e1c3e39 Clearing a page table entry's accessed bit (PG_A) and setting the
page's PG_REFERENCED flag in pmap_protect() can't really be justified.
In contrast to pmap_remove() or pmap_remove_all(), the mapping is not
being destroyed, so the notion that the page was accessed is not lost.
Moreover, clearing the page table entry's accessed bit and setting the
page's PG_REFERENCED flag can throw off the page daemon's activity
count calculation.  Finally, in my tests, I found that 15% of the
atomic memory operations being performed by pmap_protect() were only
to clear PG_A, and not change protection.  This could, by itself, be
fixed, but I don't see the point given the above argument.

Remove a comment from pmap_protect_pde() that is no longer meaningful
after the above change.
2010-04-25 20:40:45 +00:00
Michael Tuexen
6dbd88581d Sending a FWDTSN chunk should not affect the retran count.
MFC after: 3 days.
2010-04-25 19:00:37 +00:00
Konstantin Belousov
fc0a61a401 Provide compat32 shims for bpf(4), except zero-copy facilities.
bd_compat32 field of struct bpf_d is kept unconditionally to not
impose the requirement of including "opt_compat.h" on all numerous
users of bpfdesc.h.

Submitted by:	jhb (version for 6.x)
Reviewed and tested by:	emaste
MFC after:	2 weeks
2010-04-25 16:43:41 +00:00
Konstantin Belousov
427a928af7 Provide 32bit compat shims for sysctl net.route NET_RT_IFLIST.
This allows getifaddrs(3) to work for compat32 binaries.

Submitted by:	jhb (6.x version)
Reviewed by:	emaste
Tested by:	emaste and <pluknet gmail com>
MFC after:	2 weeks
2010-04-25 16:42:47 +00:00
Michael Tuexen
475d0674a6 Undo my lastest fix since that wasn't one at all.
MFC after: 3 days.
2010-04-25 15:04:57 +00:00
Marcel Moolenaar
c74f160cb0 Re-calculate a geometry when reprobing as well.
PR:		kern/145452
Reported by:	"Andrey V. Elsukov" <bu7cher@yandex.ru>
2010-04-25 01:56:39 +00:00
Marcel Moolenaar
6f702278e6 Fix undo for schemes that have internal partitions. Internal partitions
do not constitute user-visible or active partitions and as such should
not prevent undoing pending operations.

While here, initialize the last usable sector for the placeholder geom
based on the null scheme, created to allow undoing the destruction of
a scheme. This gives consistent output with "gpart show".

Based on a patch from:	"Andrey V. Elsukov" <bu7cher@yandex.ru>
2010-04-25 00:54:11 +00:00
Weongyo Jeong
7d04a6be12 ifp->if_ipackets++ when RX packet interrupts are occurred.
MFC after:	3 days
2010-04-24 23:32:24 +00:00
Rick Macklem
23f929dfe8 An NFSv4 server will reply NFSERR_GRACE for non-recovery RPCs
during the grace period after startup. This grace period must
be at least the lease duration, which is typically 1-2 minutes.
It seems prudent for the experimental NFS client to wait a few
seconds before retrying such an RPC, so that the server isn't
flooded with non-recovery RPCs during recovery. This patch adds
an argument to nfs_catnap() to implement a 5 second delay
for this case.

MFC after:	1 week
2010-04-24 22:52:14 +00:00
Kip Macy
c5cc832f32 - fix style issues on i386 as well
requested by: alc@
2010-04-24 21:36:52 +00:00
Kip Macy
81b47f28bc apply style(9) changes applied to head_page_lock_2
requested by: kib@
2010-04-24 21:17:07 +00:00
Robert Noland
1f4aef21da remove vm obect tracker that slipped in from prior work.
MFC after:	2 weeks
2010-04-24 18:13:12 +00:00
Alan Cox
7b85f59183 Resurrect pmap_is_referenced() and use it in mincore(). Essentially,
pmap_ts_referenced() is not always appropriate for checking whether or
not pages have been referenced because it clears any reference bits
that it encounters.  For example, in mincore(), clearing the reference
bits has two negative consequences.  First, it throws off the activity
count calculations performed by the page daemon.  Specifically, a page
on which mincore() has called pmap_ts_referenced() looks less active
to the page daemon than it should.  Consequently, the page could be
deactivated prematurely by the page daemon.  Arguably, this problem
could be fixed by having mincore() duplicate the activity count
calculation on the page.  However, there is a second problem for which
that is not a solution.  In order to clear a reference on a 4KB page,
it may be necessary to demote a 2/4MB page mapping.  Thus, a mincore()
by one process can have the side effect of demoting a superpage
mapping within another process!
2010-04-24 17:32:52 +00:00
Marius Strobl
b901701726 Fix some sorting and whitespace nits. 2010-04-24 16:27:43 +00:00
Konstantin Belousov
ed7806879b Move the constants specifying the size of struct kinfo_proc into
machine-specific header files. Add KINFO_PROC32_SIZE for struct
kinfo_proc32 for architectures providing COMPAT_FREEBSD32. Add
CTASSERT for the size of struct kinfo_proc32.

Submitted by:	pluknet
Reviewed by:	imp, jhb, nwhitehorn
MFC after:	2 weeks
2010-04-24 12:49:52 +00:00
Pawel Jakub Dawidek
a8750f2dca Fix build for UFS without SOFTUPDATES. 2010-04-24 07:36:33 +00:00
Jeff Roberson
113db2dddb - Merge soft-updates journaling from projects/suj/head into head. This
brings in support for an optional intent log which eliminates the need
   for background fsck on unclean shutdown.

Sponsored by:   iXsystems, Yahoo!, and Juniper.
With help from: McKusick and Peter Holm
2010-04-24 07:05:35 +00:00
Juli Mallett
07b9cc2f46 Most MIPS systems have a comparatively-sparse physical memory layout. Switch
to using the sparse physseg layout in the VM system.
2010-04-24 03:11:35 +00:00
Juli Mallett
c805ff09d5 Build some nops into CLEAR_STATUS here to make sure that the following
instructions can't be interrupted.
2010-04-23 19:48:31 +00:00
Juli Mallett
38f836dbb3 o) Remove default MAXMEM on SWARM; pmap can readily use lmem for >512M
physical addresses.
o) Set a local maxmem in sb_machdep.c to avoid trying to use pages over 2^64
   under 32-bit ABIs.  Our pmap needs corrected to use vm_paddr_t consistently,
   then we can make vm_paddr_t 64-bit under 32-bit ABIs and add code in pmap
   to limit phys_avail by the maximum PFN that a 32-bit PTE can hold.
2010-04-23 19:20:56 +00:00
Juli Mallett
562d4fbb7c Large memory mappings are always CPU local and always done with interrupts
disabled.  Be doubly-sure that we don't try to do a TLB shootdown on SMP
systems for those mappings.

Submitted by:	C. Jayachandran
2010-04-23 18:53:17 +00:00
Robert Noland
05d841b38b Address some WITNESS panics that occur when using the via driver.
Some of these cases should be safe in a non-atomic fashion, however
since all of the driver ioctls are locked, a lot of work is required to
fix it correctly.  Just don't sleep now.

MFC after:	2 weeks
2010-04-23 14:48:30 +00:00
Bjoern A. Zeeb
2f826fdf53 Remove one zero from the double-0.
This code doesn't have a license to kill.

MFC after:	3 days
2010-04-23 14:32:58 +00:00
Michael Tuexen
f31e6c7f26 * Fix compilation when using SCTP_AUDITING_ENABLED.
* Fix delaying of SACK by taking out old optimization code
  which does not optimize anymore.
* Fix fast retransmission of chunks abandoned by the
  "number of retransmissions" policy.

MFC after: 3 days.
2010-04-23 08:19:47 +00:00
Marcel Moolenaar
3f71c319f4 Implement the resize verb and add support for resizing partitions
for all schemes but EBR. Quality work by Andrey!

Submitted by:	"Andrey V. Elsukov" <bu7cher@yandex.ru>
2010-04-23 03:11:39 +00:00
Neel Natu
efa50b120d Fix compilation error.
tick.c:298:5: error: "KDTRACE_HOOKS" is not defined
2010-04-23 01:34:01 +00:00
Rick Macklem
67c5c2d2d8 When the experimental NFS client is handling an NFSv4 server reboot
with delegations enabled, the recovery could fail if the renew
thread is trying to return a delegation, since it will not do the
recovery. This patch fixes the above by having nfscl_recalldeleg()
fail with the I/O operations returning EIO, so that they will be
attempted later. Most of the patch consists of adding an argument
to various functions to indicate the delegation recall case where
this needs to be done.

MFC after:	1 week
2010-04-22 23:51:01 +00:00
Jung-uk Kim
b834123032 If a conditional jump instruction has the same jt and jf, do not perform
the test and jump unconditionally.
2010-04-22 23:47:19 +00:00
Andrew Thompson
5b3bb704f7 Use a more obvious prefix for the USB control (endpoint 0) transfers rather
than default_*.
2010-04-22 22:15:08 +00:00
Andrew Thompson
91cd92400f Properly name the sxlocks, mutexes and condvars. 2010-04-22 22:00:16 +00:00
Andrew Thompson
0d92ac2a92 Use SX_DUPOK rather than making the string unique. 2010-04-22 21:41:50 +00:00
Andrew Thompson
b850ecc180 Change USB_DEBUG to #ifdef and allow it to be turned off. Previously this had
the illusion of a tunable setting but was always turned on regardless.

MFC after:	1 week
2010-04-22 21:31:34 +00:00
Pyun YongHyeon
a1a667ecf1 Intialize interrupt moderation control register. The magic value
was chosen by lots of trial and errors. The chosen value shows
good interrupt moderation without additional latency.
Without this change, controller can generate more than 140k
interrupts per second under high network load.

Submitted by:	xclin <xclin <> cs dot nctu dot edu dot tw >
2010-04-22 20:25:07 +00:00
Robert Noland
a003741e38 Now that we properly set write-combining on the pages that back the GART,
disable snooping on radeons.

MFC after:	2 weeks
2010-04-22 18:47:30 +00:00
Pawel Jakub Dawidek
7af9c09a61 Allow to modify directory's content even if the ZFS_NOUNLINK (SF_NOUNLINK,
sunlnk) flag is set. We only deny dirctory's removal or rename.

PR:		kern/143343
Reported by:	marck
MFC after:	3 days
2010-04-22 18:47:23 +00:00
Robert Noland
2ee6488c02 re-write scatter gather memory allocation yet again...
This time, abandon the use of busdma and start interacting with the VM
system directly.  Make use of the new kmem_alloc_attr() which allows us
to easily allocate non-contiguous pages to back the GART table.  This
should help a lot when starting or restarting X after the system has
been running for a while and memory has become fragmented.

MFC after:	2 weeks
2010-04-22 18:44:23 +00:00
Robert Noland
9c03c0d88c Rework how drm maps are handled.
* On 32 bit platforms we steal the upper 4 bits of the map handle
   to store a unique map id.
 * On 64 bit platforms we steal the upper 24 bits.

Resolves issues where the offsets that are handed to mmap may overlap the VRAM on some cards.

Tested on: radeon, intel, mga, and via.

This will break nouveau.  I will spin new patches shortly.
2010-04-22 18:21:25 +00:00
Alexander Leidinger
69745d3886 Do the ctfmerge (= all symbols, not only symbols from one object file) for
KLDs too.

Noticed by:	np
2010-04-22 09:24:01 +00:00
Alexander Leidinger
7ab4cc53fd Revert r206179 (by imp) and do something similar which is more consistent
with all other corresponding CTF places by changing the corresponding
code which is generated by config(8). Or in short, move the '@' from
the variable definition to the use of the variable. [1]

While I'm here break up a long line. [2]

Discussed with:	imp [1,2], bde [2]
2010-04-22 09:20:17 +00:00
Andrew Thompson
6639021699 Also add the usb mode to the devd string as the usb controller can work in both
host or device (gadget) modes.

Suggested by:	HPS
2010-04-21 23:03:26 +00:00
Andrew Thompson
3acd904d85 Change usb devd events from fake attach to a notify. The ugen device is not a
proper device_t so it faked the devctl event to appear like one, this is now a
notify which allows more information to be passed.

We notify for both the device attach/detach and for each usb interface. A devd
rule can now match on the interface properties, including composite devices
which may have a uvideo interface and also usound and possibly uhid too.

An example to match a umass device with a scsi subclass and BBB protocol would be

notify 100 {
	match "system"          "USB";
	match "subsystem"       "INTERFACE";
	match "type"            "ATTACH";
	match "intclass"        "0x08";
	match "intsubclass"     "0x06";
	match "intprotocol"     "0x50";
	action ...
};

The old attach devctl event has been retained for the moment to make merging to
8.1 easier. This was never compatible with 7.x or earlier due to the ugen regex
change needed.

Reviewed by:	warner
MFC after:	1 week
2010-04-21 21:51:14 +00:00
Konstantin Belousov
b4bf2ac1ac Fix typo.
Submitted by:	emaste
Pointy hat to:	kib (who needs much bigger wardrobe)
MFC after:	1 week
2010-04-21 20:04:42 +00:00
Konstantin Belousov
05e06d1157 Provide compat32 shims for kinfo_proc sysctl. This allows 32bit ps(1) to
mostly work on 64bit host.

The work is based on an original patch submitted by emaste, obtained
from Sandvine's source tree.

Reviewed by:	jhb
MFC after:	1 week
2010-04-21 19:32:00 +00:00
Konstantin Belousov
9847e91b0b Extract the code to copy-out struct rusage32 from struct rusage
into the new function.

Reviewed by:	jhb
MFC after:	1 week
2010-04-21 19:28:01 +00:00
Bernhard Schmidt
698de07abb Use correct bus_dma_tag_t for TX frames.
Reported by:	Andreas Nilsson <andrnils at gmail.com>
Approved by:	rpaulo (mentor)
MFC after:	3 days
2010-04-21 17:38:16 +00:00
Rui Paulo
45ea4bc76f Comply with the new cyclic dtrace module variable name
(cyclic_clock_func).
2010-04-21 11:28:13 +00:00
Konstantin Belousov
94c6c6ba67 As was done in r155238 for i386 and in r155239 for amd64, clear the carry
flag for ia32 binary executed on amd64 host in get_mcontext().

PR:	kern/92110 (one more time)
Reported by:	stas
MFC after:	1 week
2010-04-21 11:17:16 +00:00
Bjoern A. Zeeb
1c044382c3 Avoid memory access after free. Use the (shortend) copy for the
ipsec mtu lookup as well.

PR:		kern/145736
Submitted by:	Peter Molnar (peter molnar.cc)
MFC after:	3 days
2010-04-21 10:21:34 +00:00
Rui Paulo
f79727118c Fix another instance of lapic_cyclic_clock_func. 2010-04-20 21:04:57 +00:00
Warner Losh
e8b93e4257 Make sure that we free the passed in data message if we don't actually
insert it onto the queue.  Also, fix a mtx leak if someone turns off
devctl while we're processing a messages.

MFC after:	5 days
2010-04-20 20:39:42 +00:00
Rebecca Cran
62592d9173 It's not necessary to reset the chip every time an input overflow event
occurs. In addition, the delay when programming the short cable fix
should be 100us, not 100ms.

PR:	kern/64556
Submitted by:	Thomas Hurst <tom at hur.st>
Approved by:	rrs (mentor)
MFC after:	1 week
2010-04-20 19:30:12 +00:00
Warner Losh
0e954830e5 Make this file more C++ friendly. 2010-04-20 17:57:43 +00:00
Rui Paulo
0017771c68 Add the necessary hooks for dtrace cyclic module. 2010-04-20 17:22:20 +00:00
Rui Paulo
ff569d8436 Rename the cyclic global variable lapic_cyclic_clock_func to just
cyclic_clock_func. This will make more sense when we start developing non
x86 cyclic version.
2010-04-20 17:03:30 +00:00
Rui Paulo
b527a2a4dc The amd64 version of the cyclic dtrace module is a verbatim copy of the
i386 version, so instead having a copy of the same file, use Makefile
foo to include the i386 version on amd64.
2010-04-20 16:30:17 +00:00
Attilio Rao
0a2d5fea59 Fix compilation in the !SMP case.
Keep the interrupts disabled in order to avoid preemption problems.

Reported by:	tinderbox, b.f. <bf1783 at googlemail dot com>
MFC:		2 weeks
X-MFC:		r206878
2010-04-20 12:22:06 +00:00
Rui Paulo
153bfab76a Remove svn:executable prop. 2010-04-20 10:42:08 +00:00
Konstantin Belousov
5673e3cb08 The cache_enter(9) function shall not be called for doomed dvp.
Assert this.

In the reported panic, vdestroy() fired the assertion "vp has namecache
for ..", because pseudofs may end up doing cache_enter() with reclaimed
dvp, after dotdot lookup temporary unlocked dvp.
Similar problem exists in ufs_lookup() for "." lookup, when vnode
lock needs to be upgraded.

Verify that dvp is not reclaimed before calling cache_enter().

Reported and tested by:	pho
Reviewed by:	kan
MFC after:	2 weeks
2010-04-20 10:19:27 +00:00
Michael Tuexen
ee94f0a272 Update highest_tsn variables when sliding mapping arrays. 2010-04-20 08:51:21 +00:00
Michael Tuexen
553aff12d4 Really print the nr_mapping array when it should be printed.`
MFC after: 3 days.
2010-04-20 08:50:19 +00:00
Alan Cox
5d4a7b7945 Eliminate an unnecessary call to pmap_remove_all(). If a page belongs to
an object whose reference count is zero, then that page cannot possibly
be mapped.
2010-04-20 04:16:39 +00:00
Rick Macklem
a318bc273d For the experimental NFS client doing an NFSv4 mount,
set the NFSCLFLAGS_RECVRINPROG while doing recovery from an expired
lease in a manner similar to r206818 for server reboot recovery.
This will prevent the function that acquires stateids for I/O
operations from acquiring out of date stateids during recovery.
Also, fix up mutex locking on the nfsc_flags field.

MFC after:	1 week
2010-04-20 01:02:39 +00:00
Attilio Rao
95335fd844 getblk lockmgr is mostly used as a msleep() and may lead too easilly to
false positives.
Whitelist it.

Reported by:	Erik Cederstrand <erik at cederstrand dot dk>
2010-04-19 23:40:46 +00:00
Attilio Rao
248bb9379f Fix a deadlock in the shutdown code:
When performing a smp_rendezvous() or more likely, on amd64 and i386,
a smp_tlb_shootdown() the caller will end up with the smp_ipi_mtx
spinlock held, busy-waiting for other CPUs to acknowledge the operation.
As long as CPUs are suspended (via cpu_reset()) between the active mask
read and IPI sending there can be a deadlock where the caller will wait
forever for a dead CPU to acknowledge the operation.
Please note that on CPU0 that is going to be someway heavier because of
the spinlocks being disabled earlier than quitting the machine.

Fix this bug by calling cpu_reset() with the smp_ipi_mtx held.
Note that it is very likely that a saner offline/online CPUs mechanism
will help heavilly in fixing similar cases as it is likely more bugs
of this type may arise in the future.

Reported by:	rwatson
Discussed with:	jhb
Tested by:	rnoland, Giovanni Trematerra
		<giovanni dot trematerra at gmail dot com>
MFC:		2 weeks

Special deciation to:	anyone who made possible to have 16-ways machines
			in Netperf
2010-04-19 23:27:54 +00:00
Pyun YongHyeon
6da6d0a9e3 With r206844, CSUM_TCP is also set for CSUM_TSO case. Modify
drivers to take into account for the change. Basically CSUM_TSO
should be checked before checking CSUM_TCP.
2010-04-19 22:10:40 +00:00
Jaakko Heinonen
002d1d1c38 Fix ddb(4) "show geom addr" command when INVARIANTS is enabled. Don't
assert that the topology lock is held when g_valid_obj() is called from
debugger.

MFC after:	1 week
2010-04-19 20:07:35 +00:00
Luigi Rizzo
6ba1ccc0f2 whitespace fixes (trailing whitespace, bad indentation
after a merge, etc.)
2010-04-19 16:17:30 +00:00
Kenneth D. Merry
3579cf4c4f Don't clear other flags (e.g. CSUM_TCP) when setting CSUM_TSO. This was
causing TSO to break for the Xen netfront driver.

Reviewed by:	gibbs, rwatson
MFC after:	7 days
2010-04-19 15:15:36 +00:00
Michael Tuexen
307b49efef Get delayed SACK working again.
MFC after: 3 days.
2010-04-19 14:15:58 +00:00
Rui Paulo
0ff2943ecb Revert r206755. It causes some laptops to stop booting. 2010-04-19 14:07:33 +00:00
Xin LI
0e568ab25c Partially MFp4 #176265 by pjd@:
- Properly initialize and destroy system_taskq.
 - Add a dummy implementation of taskq_create_proc().

Note: We do not currently use system_taskq in ZFS so this is mostly a
no-op at this time.  Proper system_taskq initialization is required
by newer ZFS code.

Ok'ed by:	pjd
MFC after:	2 weeks
2010-04-19 09:03:36 +00:00
Juli Mallett
fe7d6b6e69 Fix MALTA64 build. 2010-04-19 09:03:34 +00:00
Juli Mallett
540247e8c1 Remove unused file. 2010-04-19 07:51:57 +00:00
Juli Mallett
745bba1ab0 o) Eliminate the "stand" frame and its use. Use CALLFRAME_* everywhere.
o) Use <machine/asm.h> macros for register-width, etc., rather than doing it
   by hand in a few more assembly files.
o) Reduce diffs between various bits of TLB refill code in exception.S and
   between interrupt processing code.
o) Use PTR_* to operate on registers that are pointers (e.g. sp).
o) Add and use a macro, CLEAR_PTE_SWBITS rather than using the
   mysteriously-named WIRED_SHIFT to select bits to truncate when loading PTEs.
o) Don't doubly disable interrupts by moving zero to the status register,
   especially since that has the nasty side-effect of taking us out of 64-bit
   mode.
o) Use CLEAR_STATUS to disable interrupts the first time.
o) Keep SR_PX set as well as SR_[KSU]X when doing exception processing.  This
   is the bit that determines whether 64-bit operations are allowed.
o) Don't enable interrupts until configure_final(), like most other ports.
2010-04-19 07:34:26 +00:00
Juli Mallett
5f3173b517 o) Fix XKPHYS physical address extraction. Also define cache coherency
attributes for XKPHYS.
o) Make coprocessor 0 accessor function macros for register+selector registers
   take the full name so that e.g. (as done in this commit), prid selector 1
   can be written through mips_wr_ebase() rather than mips_wr_prid1().
o) Allow for sign extension of 32-bit segment addresses.
o) Remove an unused MIPS-I register number.
2010-04-19 06:01:58 +00:00
Alan Cox
7b7d5b6c58 vm_thread_swapout() can safely dirty the page before rather than after
acquiring the page queues lock.
2010-04-19 00:18:14 +00:00
Juli Mallett
ca596a25f0 o) Add a VM find-space option, VMFS_TLB_ALIGNED_SPACE, which searches the
address space for an address as aligned by the new pmap_align_tlb()
   function, which is for constraints imposed by the TLB. [1]
o) Add a kmem_alloc_nofault_space() function, which acts like
   kmem_alloc_nofault() but allows the caller to specify which find-space
   option to use. [1]
o) Use kmem_alloc_nofault_space() with VMFS_TLB_ALIGNED_SPACE to allocate the
   kernel stack address on MIPS. [1]
o) Make pmap_align_tlb() on MIPS align addresses so that they do not start on
   an odd boundary within the TLB, so that they are suitable for insertion as
   wired entries and do not have to share a TLB entry with another mapping,
   assuming they are appropriately-sized.
o) Eliminate md_realstack now that the kstack will be appropriately-aligned on
   MIPS.
o) Increase the number of guard pages to 2 so that we retain the proper
   alignment of the kstack address.

Reviewed by:	[1] alc
X-MFC-after:	Making sure alc has not come up with a better interface.
2010-04-18 22:32:07 +00:00
Rick Macklem
7ea710b3b1 Avoid extraneous recovery cycles in the experimental NFS client
when an NFSv4 server reboots, by doing two things.
1 - Make the function that acquires a stateid for I/O operations
    block until recovery is complete, so that it doesn't acquire
    out of date stateids.
2 - Only allow a recovery once every 1/2 of a lease duration, since
    the NFSv4 server must provide a recovery grace period of at
    least a lease duration. This should avoid recoveries caused
    by an out of date stateid that was acquired for an I/O op.
    just before a recovery cycle started.

MFC after:	1 week
2010-04-18 22:21:23 +00:00
Alan Cox
b28889a2fc Remove a nonsensical test from vm_pageout_clean(). A page can't be in the
inactive queue and have a non-zero wire count.

Reviewed by:	kib
MFC after:	3 weeks
2010-04-18 21:29:28 +00:00
Rui Paulo
685b0bb814 Delete svn:executable prop. 2010-04-18 18:43:36 +00:00
Alan Cox
4b9dd5d537 There is no justification for vm_object_split() setting PG_REFERENCED on a
page that it is going to sleep on.  Eliminate it.

MFC after:	3 weeks
2010-04-18 17:50:09 +00:00
Pawel Jakub Dawidek
bd7226a572 Restore previous order. 2010-04-18 12:43:33 +00:00
Pawel Jakub Dawidek
224329fb6b Style fixes. 2010-04-18 12:36:53 +00:00
Pawel Jakub Dawidek
eb998be67d Add missing list and lock destruction. 2010-04-18 12:27:07 +00:00
Pawel Jakub Dawidek
ad3cb80827 Extend locks scope to match OpenSolaris. 2010-04-18 12:25:40 +00:00
Pawel Jakub Dawidek
57a81a8bbc Remove racy assertion.
Obtained from:	OpenSolaris
2010-04-18 12:21:52 +00:00
Pawel Jakub Dawidek
5195ca2307 Set ARC_L2_WRITING on L2ARC header creation.
Obtained from:	OpenSolaris
2010-04-18 12:20:33 +00:00
Alan Cox
b11b56b55b In vm_object_madvise() setting PG_REFERENCED on a page before sleeping on
that page only makes sense if the advice is MADV_WILLNEED.  In that case,
the intention is to activate the page, so discouraging the page daemon
from reclaiming the page makes sense.  In contrast, in the other cases,
MADV_DONTNEED and MADV_FREE, it makes no sense whatsoever to discourage
the page daemon from reclaiming the page by setting PG_REFERENCED.

Wrap a nearby line.

Discussed with:	kib
MFC after:	3 weeks
2010-04-17 21:14:37 +00:00
Alan Cox
aefea7f519 In vm_object_backing_scan(), setting PG_REFERENCED on a page before
sleeping on that page is nonsensical.  Doing so reduces the likelihood
that the page daemon will reclaim the page before the thread waiting in
vm_object_backing_scan() is reawakened.  However, it does not guarantee
that the page is not reclaimed, so vm_object_backing_scan() restarts
after reawakening.  More importantly, this muddles the meaning of
PG_REFERENCED.  There is no reason to believe that the caller of
vm_object_backing_scan() is going to use (i.e., access) the contents of
the page.  There is especially no reason to believe that an access is
more likely because vm_object_backing_scan() had to sleep on the page.

Discussed with:	kib
MFC after:	3 weeks
2010-04-17 18:35:07 +00:00
Bernhard Schmidt
82ff07c047 Remove IPW_LOCK_DECL and fix various LORs.
Approved by:	rpaulo (mentor)
2010-04-17 18:18:46 +00:00
Bernhard Schmidt
6e4c30c9cd Use iv_appie_wpa, with this commit WPA works again.
Approved by:	rpaulo (mentor)
2010-04-17 18:17:25 +00:00
Bernhard Schmidt
557c25b48f - Make ipw usable again by moving directly into ASSOC state.
- No need to manually switch to RUN state, assoc response takes care
  of that.

Approved by:	rpaulo (mentor)
2010-04-17 18:16:14 +00:00
Bernhard Schmidt
892d2e9d9b Pass correct RSSI to ieee80211_input*().
Approved by:	rpaulo (mentor)
2010-04-17 18:14:49 +00:00
Bernhard Schmidt
d02ae91a4c Fix comment about ipw_assoc and remove some whitespaces; no functional
changes.

Approved by:	rpaulo (mentor)
2010-04-17 18:13:52 +00:00
Alan Cox
0b6ace4743 Setting PG_REFERENCED on the requested page in swap_pager_getpages() is
either redundant or harmful, depending on the caller.  For example, when
called by vm_fault(), it is redundant.  However, when called by
vm_thread_swapin(), it is harmful.  Specifically, if the thread is later
swapped out, having PG_REFERENCED set on its stack pages leads the page
daemon to reactivate these stack pages and delay their reclamation.

Reviewed by:	kib
MFC after:	3 weeks
2010-04-17 17:02:17 +00:00
Michael Tuexen
37f144eb5d Fix a bug where SACKs are not sent when they should.
Move some protection code to INVARIANTS.
Cleanups.

MFC after: 3 days.
2010-04-17 12:22:44 +00:00
Rui Paulo
25eb6a7d87 Add another ICH7M chipset that works.
MFC after:	1 week
2010-04-17 11:40:39 +00:00
Juli Mallett
a27e66e8f5 o) Make pcb_onfault a pointer rather than an obscure integer value.
o) Mask off PAGE_MASK bits in pmap_update_page, etc., rather than modifying the
   badvaddr in trapframe.  Some nearby interfaces already did this.
o) Make PTEs "unsigned int" for now, not "unsigned long" -- we are only ready
   for them to be 32-bit on 64-bit platforms.
o) Rather than using pmap_segmap and calculating the offset into the page table
   by hand in trap.c, use pmap_pte().
o) Remove unused quad_syscall variable in trap.c.
o) Log things for illegal instructions like we do for bad page faults.
o) Various cast cleanups related to how to print registers.
o) When logging page faults, show the page table information not just for the
   program counter, but for the fault address.
o) Modify support.S to use ABI-neutral macros for operating on pointers.
o) Consistently use CALLFRAME_SIZ rather than STAND_FRAME_SIZE, etc.
o) Remove unused insque/remque functions.
o) Remove some coprocessor 0 accessor functions implemented in assembly that
   are unused and have inline assembly counterparts.
2010-04-17 09:42:07 +00:00
Juli Mallett
2ab78e3ca5 o) Add NPDEPG, like NPTEPG but for PDEs.
o) Remove NBPG, PGOFSET and PGSHIFT.  Use the standard names.
o) Remove some unused macros and move things from param.h to vmparam.h that
   belong in the latter.  (Actually, all of the kernel segment values, virtual
   addresses, etc., belong in one place, but this is a step in the right
   direction.)
2010-04-17 07:20:01 +00:00
Juli Mallett
b6777295a6 o) Add SMP support for Octeon using U-Boot to launch all the processors at the
same time.
o) Remove some unused trivial uart functions from octeon_machdep now that the
   uart part is fully working and they are unused.
o) Use __func__ instead of __FUNCTION__.
o) Use intr_*() instead of other routines that do the same thing.
o) Remove some duplicate printfs from the Octeon port, as well as duplicate
   setting of Maxmem.
o) Use the right frequency divider on Octeon.
o) Use PCPU_GET(cpuid) consistently to get the cpuid of the running core.
o) Remove some unused macros in the Octeon port.
o) Use mips_sync() around use of the global dpcpu, whose value may not be
   visible to APs at first.
o) When loading the first thread's stack, use macros to make the code correct
   for n64 as well.
o) Remove stub, do-nothing FAU init/enable/disable functions from the RGMX
   driver.
2010-04-17 03:08:13 +00:00