marius [Tue, 30 Mar 2010 19:37:47 +0000 (19:37 +0000)]
MFC: r203341
- Remove the BUS_HANDLE_MIN checking in the __BUS_DEBUG_ACCESS macro;
for UPA it should have fulfilled its purpose by now and Fireplane-
and JBus-based machines are way to messy in organization to implement
something equivalent.
- Fix a bunch of style(9) bugs.
marius [Tue, 30 Mar 2010 19:36:00 +0000 (19:36 +0000)]
MFC: r203335
- Const'ify the bus_stream_asi and bus_type_asi arrays.
- Replace hard-coded functions names missed in bus_machdep.c with __func__.
- Break some long lines.
marius [Tue, 30 Mar 2010 19:08:02 +0000 (19:08 +0000)]
MFC: r205397
- While SPARC V9 allows tininess to be detected either before or after
rounding (impl. dep. #55), the SPARC JPS1 responsible for SPARC64 and
UltraSPARC processors defines that in all cases tinyness is detected
before rounding, therefore rounding up to the smallest normalised
number should set the underflow flag.
- If an infinite result is rounded down, the result should have an
exponent 1 less than the value for infinity.
attilio [Tue, 30 Mar 2010 11:46:43 +0000 (11:46 +0000)]
MFC r205160:
Checkin a facility for specifying a passthrough FIB from userland.
arcconf tool by Adaptec already seems to use for identifying the
Serial Number of the devices.
attilio [Tue, 30 Mar 2010 11:19:29 +0000 (11:19 +0000)]
MFC r204641, r204753:
Improving the clocks auto-tunning by firstly checking if the atrtc may be
correctly initialized and just then assign to softclock/profclock.
jkim [Mon, 29 Mar 2010 15:59:37 +0000 (15:59 +0000)]
MFC: r205647
Fix stupid typos. Some VESA BIOSes directly call BIOS interrupt handlers
within the VBE interrupt handler. Unfortunately it was causing real mode
page faults because we were fetching instructions from bogus addresses.
attilio [Mon, 29 Mar 2010 15:39:17 +0000 (15:39 +0000)]
MFC r199852, r202387, r202441, r202534:
Handling all the three clocks with the LAPIC may lead to aliasing for
softclock and profclock.
Revert the change when the LAPIC started taking charge of all three of
them.
dougb [Mon, 29 Mar 2010 06:31:58 +0000 (06:31 +0000)]
Update to 9.6.2-P1, the latest patchfix release which deals with
the problems related to the handling of broken DNSSEC trust chains.
This fix is only relevant for those who have DNSSEC validation
enabled and configure trust anchors from third parties, either
manually, or through a system like DLV.
emaste [Mon, 29 Mar 2010 00:14:34 +0000 (00:14 +0000)]
MFC r204264:
Minor diff reduction with Adaptec's driver: in aac_release_command() set
cm_queue to AAC_ADAP_NORM_CMD_QUEUE by default. In every place it was
set, it was set to AAC_ADAP_NORM_CMD_QUEUE anyhow.
jh [Sun, 28 Mar 2010 11:22:38 +0000 (11:22 +0000)]
MFC r198175:
- If lstat()/stat() fails with an error other than ENOENT, don't ignore
the error and assume that the file doesn't exist. Touch could return
success with -c option even if the file existed and time was not set.
- If the first utimes_f() call fails with -A option, give up and don't
continue trying to set times to current time. [1]
- Set exit status to 1 when setting of timestamps fails for a directory
or symbolic link even though lstat()/stat() would succeed.
- Don't print bogus error message when rw() succeeds.
trasz [Sat, 27 Mar 2010 18:45:53 +0000 (18:45 +0000)]
MFC r203122:
Improve descriptions, remove turnstiles (since, from what I understand,
they are only used to implement other synchronization primitives), tweak
formatting.
MFC r203127:
Add description of bounded sleep vs unbounded sleep (aka blocking). Move
rules into their own section.
MFC r203131:
Cosmetic fixes.
MFC r203759:
Improve description for Giant and mention blocking inside interrupt threads.
MFC r203762:
Start sentences with a new line.
Submitted by: brueffer
MFC r203825:
Remove list of locking primitives, which is kind of redundant, move
information about witness(9) to the section about interactions, and
expand 'contexts' table.
MFC r203929:
Some rewording and language fixes.
PR: docs/136918, docs/134074
Submitted by: Ben Kaduk <kaduk at mit dot edu>, Haven Hash <havenster at gmail dot com>
trasz [Sat, 27 Mar 2010 18:09:40 +0000 (18:09 +0000)]
MFC r200273:
Don't add VAPPEND if the file is not being opened for writing. Note that this
only affects cases where open(2) is being used improperly - i.e. when the user
specifies O_APPEND without O_WRONLY or O_RDWR.
trasz [Sat, 27 Mar 2010 18:08:14 +0000 (18:08 +0000)]
MFC r200058:
Add change that was somehow missed in r192586. It could manifest by
incorrectly returning EINVAL from acl_valid(3) for applications linked
against pre-8.0 libc.
trasz [Sat, 27 Mar 2010 18:04:33 +0000 (18:04 +0000)]
MFC r199875:
Provide a set of sysctls and tunables to disable device node creation
for specific "kinds" of disk labels - for example, GPT UUIDs. Reason
for this is that sometimes, other GEOM classes attach to these device
nodes instead of the proper ones - e.g. they attach to /dev/gptid/XXX
instead of /dev/ada0p2, which is annoying.
bz [Sat, 27 Mar 2010 17:57:17 +0000 (17:57 +0000)]
MFC r204840:
As statfs.f_flags are uint64_t the local variables should be as well.
We'll start noticing this with the next flag introduced as the lower
32bit are all used.
bz [Sat, 27 Mar 2010 17:54:44 +0000 (17:54 +0000)]
MFC r205626:
Print the pointer to the lock with the panic message. The previous
panic: rw lock not unlocked
was not really helpful for debugging. Now one can at least call
show lock <ptr>
form ddb to learn more about the lock.
bz [Sat, 27 Mar 2010 17:52:56 +0000 (17:52 +0000)]
MFC r205276:
Add ddb support to the "new" link layer code ("new-arp"):
- show all lltables [1] (optional flag to also show the llentries as well)
- show lltable <struct lltable *>
- show llentry <struct llentry *>
bz [Sat, 27 Mar 2010 17:50:02 +0000 (17:50 +0000)]
MFC r204838:
Destroy TCP UMA zones (empty or not) upon network stack teardown
to not leak them, otherwise making UMA/vmstat unhappy with every
stoped vnet.
We will still leak pages (especially for zones marked NOFREE).
Reshuffle cleanup order in tcp_destroy() to get rid of what we can
easily free first.
bz [Sat, 27 Mar 2010 17:48:13 +0000 (17:48 +0000)]
MFC r204805:
Rework reference counting in case we queue into the netisr,
or overflow the netisr queue and fall back to the interface
queue so that we can garuantee that the ifnet pointer stays
valid. Formerly we ended up with reference counts <= 0 in
case the netisr had returned ENOBUFS. The idea is to track
any packet in the netisr queue and only change the refount
on edge operations for the fallback interface queue. This
also avoids problems in case the if_snd.ifq_len lies to us.
Also rework refount assertions to make sure they trigger if
we go below 1. Formerly a negative refence count did not
trigger the assert as the refcount variable is u_int.
bz [Sat, 27 Mar 2010 17:46:06 +0000 (17:46 +0000)]
MFC r204807:
Destroy UDP UMA zones (empty or not) upon network stack teardown
to not leak them making UMA/vmstat -z unhappy with every stoped vnet.
We will still leak pages (especially as zones are marked NOFREE).
bz [Sat, 27 Mar 2010 17:40:28 +0000 (17:40 +0000)]
MFC r204279:
Use the DB_SHOW_ALL_COMMAND() macro to register the formerly 'show ifnets'
in the db_show_all_table as 'show all ifnets' and with that follow the
convention for showing complete lists.
bz [Sat, 27 Mar 2010 17:39:02 +0000 (17:39 +0000)]
MFC r204145:
Start to implement ifnet DDB support:
- 'show ifnets' prints a list of ifnet *s per virtual network stack,
- 'show ifnet <struct ifnet *>' prints fields matching the given ifp.
We do not yet print the complete set of fields and might want to
factor this out to an extra if_debug.c file in case this grows
a lot[1]. We may also want to grow 'show ifnet <if_xname>' support[1].
bz [Sat, 27 Mar 2010 17:34:57 +0000 (17:34 +0000)]
MFC r204140:
Split up ip_drain() into an outer lock and iterator part and
a "locked" version that will only handle a single network stack
instance. The latter is called directly from ip_destroy().
Hook up an ip_destroy() function to release resources from the
legacy IP network layer upon virtual network stack teardown.
bz [Sat, 27 Mar 2010 17:31:54 +0000 (17:31 +0000)]
MFC r203729:
Add DDB support for printing vnet_sysinit and vnet_sysuninit
ordered call lists. Try to lookup function/symbol names and print
those in addition to the pointers, along with the constants for
subsystem and order.
This is useful for debugging vnet teardown ordering issues.
Make it possible to call the actual printing frunction from normal
code at runtime, ie. from vnet_sysuninit(), if DDB support is there.
bz [Sat, 27 Mar 2010 17:29:50 +0000 (17:29 +0000)]
MFC r203727:
Add an SDT provider for "vnet"s along with probes for vnet_alloc
and vnet_destroy.
Use the line number rather than NULL as dummy argument.
Note: the fbt provider does not reliably provide :return probes
(depending on optimization levels used at compile time) making
it unusable for scripts to generate complete call-traces with
well defined boundaries over allocations or destructions of
virtual network stacks.
trasz [Sat, 27 Mar 2010 17:22:11 +0000 (17:22 +0000)]
MFC r197680:
Provide default implementation for VOP_ACCESS(9), so that filesystems which
want to provide VOP_ACCESSX(9) don't have to implement both. Note that
this commit makes implementation of either of these two mandatory.
bz [Sat, 27 Mar 2010 17:22:08 +0000 (17:22 +0000)]
MFC r201815:
To avoid hardcoding further kernel configuration names for
make universe, split the logic into two parts:
- 1st to build worlds and generate kernel configs like LINT.
- 2nd to build kernels for a given TARGET architecture correctly
finding all newly generated configs, not knowing anything about
LINT anymore.
MFC rr201960:
Use uname -m [1] and rename BUILD_ARCH to XMACHINE[2].
Submitted by: nyan[1], imp[2]
MFC r202095:
Rather than using an extra variable, only call uname if really needed and
then directly assign the result.
bz [Sat, 27 Mar 2010 17:17:11 +0000 (17:17 +0000)]
MFC r201814:
Generate a second LINT configuration for i386 and amd64 in
sys/conf/makeLINT.mk, which includes LINT and sets options VIMAGE
so that we will have VIMAGE LINT builds. For now only do it for
those two architectures to avoid massive universe times for archs,
where people will less likely use VIMAGE or not at all.
bz [Sat, 27 Mar 2010 17:14:55 +0000 (17:14 +0000)]
MFC r201813:
In sys/<arch>/conf/Makefile set TARGET to <arch>. That allows
sys/conf/makeLINT.mk to only do certain things for certain
architectures.
Note that neither arm nor mips have the Makefile there, thus
essentially not (yet) supporting LINT. This would enable them
do add special treatment to sys/conf/makeLINT.mk as well chosing
one of the many configurations as LINT.
bz [Sat, 27 Mar 2010 17:11:06 +0000 (17:11 +0000)]
MFC r202123:
Change DDB show prison:
- name some columns more closely to the user space variables,
as we do for host.* or allow.* (in the listing) already.
- print pr_childmax (children.max).
- prefix hex values with 0x.
trasz [Sat, 27 Mar 2010 14:58:28 +0000 (14:58 +0000)]
MFC r202919:
Fix array overflow. This routine is only called from procfs,
which is not mounted by default, and I've been unable to trigger
a panic without this fix applied anyway.
jhb [Fri, 26 Mar 2010 18:58:22 +0000 (18:58 +0000)]
MFC 205332:
Use the same policy for rejecting / not-reject ACPI tables with incorrect
checksums as the base acpi(4) driver. This fixes a problem where the MADT
parser would reject the MADT table during early boot causing the MP Table
to be, but then the acpi(4) driver would attach and use non-SMP interrupt
routing.
jhb [Fri, 26 Mar 2010 13:49:46 +0000 (13:49 +0000)]
MFC 205214:
- Extend the machine check record structure to include several fields useful
for parsing model-specific and other fields in machine check events
including the global machine check capabilities and status registers,
CPU identification, and the FreeBSD CPU ID.
- Report these added fields in the console log of a machine check so that
a record structure can be reconstituted from the console messages.
- Parse new architectural errors including memory controller errors.
delphij [Thu, 25 Mar 2010 20:07:30 +0000 (20:07 +0000)]
MFC r205654:
The rmt client in GNU cpio could have a heap overflow when a malicious
remote tape service returns deliberately crafted packets containing
more data than requested.
Fix this by checking the returned amount of data and bail out when it
is more than what we requested.
jhb [Thu, 25 Mar 2010 15:48:23 +0000 (15:48 +0000)]
MFC 205013:
Print out the family and model from the cpu_id. This is especially useful
given the advent of the extended family and extended model fields. The
values are printed in hex to match their common usage in documentation.
gavin [Thu, 25 Mar 2010 12:56:20 +0000 (12:56 +0000)]
Merge r204165 from head:
Add a "-x" option to chown(8)/chgrp(1) similar to the same option in
du(1), cp(1) etc, to prevent the crossing of mountpoints whilst using the
commands recursively.
ed [Thu, 25 Mar 2010 08:33:56 +0000 (08:33 +0000)]
MFC r205008 and 205009:
Make script(1) a little less broken.
Close the file descriptor to the TTY. There is no reason why the parent
process should keep track of the descriptor. This ensures that the
application inside properly drains the TTY during exit(2).
yongari [Wed, 24 Mar 2010 17:36:56 +0000 (17:36 +0000)]
MFC r205161:
It seems PCI_OUR_REG_[1-5] registers are not mapped on PCI
configuration space on Yukon Ultra(88E8056) such that accesses to
these registers were NOPs which in turn make msk(4) instable on
this controller. Use indirect access method to access
PCI_OUR_REG_[1-5] registers. This should fix a long standing
instability bug which prevented msk(4) working on Yukon Ultra.
Special thanks to koitsu who gave me remote access to his system.
yongari [Wed, 24 Mar 2010 17:29:32 +0000 (17:29 +0000)]
MFC r204975,204978-204979,204981:
r204975:
Enable hardware fixes for BCM5704 B0 as recommended by data sheet.
r204978:
Set maximum read byte count to 2048 for PCI-X BCM5703/5704 devices.
Also disable relaxed ordering as recommended by data sheet for
PCI-X devices. For PCI-X BCM5704, set maximum outstanding split
transactions to 0 as indicated by data sheet.
For BCM5703 in PCI-X mode, DMA read watermark should be less than
or equal to maximum read byte count configuration. Enforce this
limitation in DMA read watermark configuration.
r204979:
Fix typo in r204975.
r204981:
Fix typo in r204978.
yongari [Wed, 24 Mar 2010 17:18:44 +0000 (17:18 +0000)]
MFC r204545:
Remove taskqueue based interrupt handling. After r204541 msk(4)
does not generate excessive interrupts any more so we don't need
to have two copies of interrupt handler.
While I'm here remove two STAT_PUT_IDX register accesses in LE
status event handler. After r204539 msk(4) always sync status LEs
so there is no need to resort to reading STAT_PUT_IDX register to
know the end of status LE processing. Just trust status LE's
ownership bit.
yongari [Wed, 24 Mar 2010 17:11:01 +0000 (17:11 +0000)]
MFC r204541:
Implement rudimentary interrupt moderation with programmable
countdown timer register. The timer resolution may vary among
controllers but the value would be represented by core clock
cycles. msk(4) will automatically computes number of required clock
cycles from given micro-seconds unit.
The default interrupt holdoff timer value is 100us which will
ensure less than 10k interrupts under load. The timer value can be
changed with dev.mskc.0.int_holdoff sysctl node.
Note, the interrupt moderation is shared resource on dual-port
controllers so you can't use separate interrupt moderation value
for each port. This means we can't stop interrupt moderation in
driver stop routine. Also have msk_tick() reclaim transmitted Tx
buffers as safety belt. With this change there is no need to check
missing Tx completion interrupt in watchdog handler, so remove it.
luigi [Wed, 24 Mar 2010 15:19:47 +0000 (15:19 +0000)]
MFC 205602:
Honor ip.fw.one_pass when a packet comes out of a pipe without being delayed.
I forgot to handle this case when i did the mtag cleanup three months ago.
I am merging immediately because this bugfix is important for
people using RELENG_8.
projects / FreeBSD / stable / 8.git / log