Peter Avalos [Sun, 3 Jul 2011 00:03:42 +0000 (14:03 -1000)]
sh: Detect an error for ${#var<GARBAGE>}.
In particular, this makes things like ${#foo[0]} and ${#foo[@]} errors
rather than silent equivalents of ${#foo}.
Obtained-from: FreeBSD SVN rev 221461
Peter Avalos [Sat, 2 Jul 2011 23:59:09 +0000 (13:59 -1000)]
sh: Set $? to 0 for background commands.
For backgrounded pipelines and subshells, the previous value of $? was
being preserved, which is incorrect.
For backgrounded simple commands containing a command substitution, the
status of the last command substitution was returned instead of 0.
If fork() fails, this is an error.
Obtained-from: FreeBSD SVN rev 221027
Peter Avalos [Sat, 2 Jul 2011 23:47:49 +0000 (13:47 -1000)]
sh: Remove duplicate code resetting uid/gid for set +p/+o privileged.
sh: Check setuid()/setgid() return values.
If the -p option is turned off, privileges from a setuid or setgid
binary are dropped. Make sure to check if this succeeds. If it
fails, this is an error which will cause the shell to abort except
in interactive mode or if 'command' was used to make 'set' or an
outer 'eval' or '.' non-special.
Obtained-from: FreeBSD SVN rev 221011 & 221012
Peter Avalos [Sat, 2 Jul 2011 23:38:15 +0000 (13:38 -1000)]
sh: Allow EV_EXIT through function calls.
make {...} <redir more consistent.
If EV_EXIT causes an exit, use the exception mechanism to unwind
redirections and local variables. This way, if the final command is a
redirected command, an EXIT trap now executes without the redirections.
Because of these changes, EV_EXIT can now be inherited by the body of a
function, so do so. This means that a function no longer prevents a fork
before an exec being skipped, such as in
f() { head -1 /etc/passwd; }; echo $(f)
Wrapping a single builtin in a function may still cause an otherwise
unnecessary fork with command substitution, however.
An exit command or -e failure still invokes the EXIT trap with the
original redirections and local variables in place.
Note: this depends on SHELLPROC being gone. A SHELLPROC depended on
keeping the redirections and local variables and only cleaning up the
state to restore them.
Obtained-from: FreeBSD SVN rev 220978
Peter Avalos [Sat, 2 Jul 2011 23:28:01 +0000 (13:28 -1000)]
sh: Do not word split "${#parameter}".
This is only a problem if IFS contains digits, which is unusual but
valid.
Obtained-from: FreeBSD SVN rev 221522
Sascha Wildner [Sun, 21 Aug 2011 17:45:09 +0000 (19:45 +0200)]
hptiop(4): Sync with FreeBSD (adds IDs for two more cards).
Sepherosa Ziehau [Sun, 21 Aug 2011 13:02:48 +0000 (21:02 +0800)]
intr/i386: Define IDT_HWI_VECTORS
This macro defines how many IDT vectors that could be setup as hardware
interrupts. Use this macro instead of MAX_HARDINTS and APIC_INTMAPSIZE.
Sepherosa Ziehau [Sun, 21 Aug 2011 11:33:54 +0000 (19:33 +0800)]
icu/i386: Remove unnecessary header inclusion
Adam Hoka [Thu, 11 Aug 2011 16:52:59 +0000 (18:52 +0200)]
add more information to a failing assertion's panic message
Signed-off-by: Venkatesh Srinivas <me@endeavour.zapto.org>
Matthew Dillon [Sat, 20 Aug 2011 20:38:42 +0000 (13:38 -0700)]
kernel - Fix vm_object leak which could exhaust swap space
* Fix a recently introduced vm_object leak. When deallocating a vm_object
ref_count must be decremented prior to calling vm_object_collapse() or
we can wind up leaving an object sitting around with 0 refs on it.
Reported-by: ftigeot, others
Sepherosa Ziehau [Fri, 19 Aug 2011 02:42:17 +0000 (10:42 +0800)]
tcp: Enable tcp_lport_extension by default
Sepherosa Ziehau [Fri, 19 Aug 2011 02:05:47 +0000 (10:05 +0800)]
inpcb: Don't choose lport which could render same addr/port pair
A TCP connect to 127.0.0.1:PORT_A could be successful even if there is
no process listening on PORT_A:
127.0.0.1:PORT_A <---> 127.0.0.1:PORT_A
The problem here is that PORT_A is chosen as the lport for the socket
to be connected to PORT_A, and this actually creates simultaneous connect
on 127.0.0.1 but with only one inpcb. Socket connected in this way is
useless and could break connect retry for the service listens on the
loopback interface. Therefore, we skip the lport if the result will be:
(lport == fport && laddr == faddr)
NOTE: This still does not guard against explicit local port and address
chosen using bind(2) and then calling connect(2)
Sepherosa Ziehau [Thu, 18 Aug 2011 13:44:03 +0000 (21:44 +0800)]
brgphy: Recognize more Broadcom PHYs
Obtained-from: OpenBSD, FreeBSD
Sepherosa Ziehau [Thu, 18 Aug 2011 13:43:37 +0000 (21:43 +0800)]
miidevs.h: regen
Sepherosa Ziehau [Thu, 18 Aug 2011 13:42:55 +0000 (21:42 +0800)]
miidevs: Add more Broadcom PHY IDs
Obtained-from: OpenBSD, FreeBSD
Venkatesh Srinivas [Wed, 17 Aug 2011 17:22:56 +0000 (10:22 -0700)]
kernel: Fix alignment problem for sendmsg ancillary message data.
Closes bug 2116; sending file descriptors is broken on amd64.
From: Darwin xnu-123.5, NetBSD socket.h 1.50
Sascha Wildner [Tue, 16 Aug 2011 15:57:32 +0000 (17:57 +0200)]
installer: Tone down the comments around the installer's rc.conf settings.
dumpdev is the only thing that is written by default and it tended to
get lost among the rather verbose comments.
Sascha Wildner [Tue, 16 Aug 2011 14:18:44 +0000 (16:18 +0200)]
LINT/LINT64: Add KTR_TSLEEP.
Sepherosa Ziehau [Tue, 16 Aug 2011 09:45:30 +0000 (17:45 +0800)]
brgphy: Bring in changes from OpenBSD
- Link status is now detected using BMSR
- Extra link status detection based on AUXSTS is used for 5906
- Shuffle 5906 EPHY setting around
- brgphy_loop() is not necessary to start auto-negotiation
Sascha Wildner [Tue, 16 Aug 2011 07:40:02 +0000 (09:40 +0200)]
Fix crossbuilding x86_64 on i386.
Brings back two things from
cdefb602 and
a262c465.
Sepherosa Ziehau [Mon, 15 Aug 2011 11:31:06 +0000 (19:31 +0800)]
msk(4): Add support for Yukon Supreme
Obtained-from: FreeBSD 222230
Sepherosa Ziehau [Mon, 15 Aug 2011 11:23:14 +0000 (19:23 +0800)]
msk(4): Disable ASF on the chips that have it
Obtained-from: FreeBSD 222227
Sepherosa Ziehau [Mon, 15 Aug 2011 11:17:49 +0000 (19:17 +0800)]
msk(4): Make sure to enable all clocks before accessing registers.
Obtained-from: FreeBSD 222226
François Tigeot [Mon, 15 Aug 2011 05:35:12 +0000 (07:35 +0200)]
VFS_START() uses only two arguments
Sascha Wildner [Sun, 14 Aug 2011 22:21:18 +0000 (00:21 +0200)]
Fix crossbuilding i386 on x86_64.
bfd_elf64_archive_slurp_armap() is needed for building an i386
libbfd on x86_64.
Sepherosa Ziehau [Sun, 14 Aug 2011 14:08:37 +0000 (22:08 +0800)]
msk(4): Only Yukon FE, XL and EC have RAM registers
Obtained-from: FreeBSD 222223
Sepherosa Ziehau [Sun, 14 Aug 2011 12:52:35 +0000 (20:52 +0800)]
msk(4): Enable store and forward mode except for jumbo frame on Yukon Ultra.
Obtained-from: 222221
Sepherosa Ziehau [Sun, 14 Aug 2011 12:39:58 +0000 (20:39 +0800)]
msk(4): Do not blindly clear entire GPHY control register.
It seems some bits of the register is used for other purposes such
that clearing these bits resulted in unexpected results such as
corrupted RX frames or missing LE status updates.
Obtained-from: FreeBSD 222219
Sepherosa Ziehau [Sun, 14 Aug 2011 12:34:31 +0000 (20:34 +0800)]
msk(4): Don't process incoming packets if the interface is down
Obtained-from: FreeBSD 207623
Sepherosa Ziehau [Sun, 14 Aug 2011 12:29:52 +0000 (20:29 +0800)]
msk(4): Don't unnecessarily clear interrupt masks
Obtained-from: FreeBSD 207623
Sascha Wildner [Sat, 13 Aug 2011 20:34:22 +0000 (22:34 +0200)]
mdoc.local: We must indent using spaces here.
François Tigeot [Sat, 13 Aug 2011 16:25:57 +0000 (18:25 +0200)]
Synchronize the description of struct statfs with its real
definition on DragonFly 2.11
Sascha Wildner [Sat, 13 Aug 2011 16:03:09 +0000 (18:03 +0200)]
ktr(4): Allow to configure KTR_TSLEEP alone.
Sascha Wildner [Fri, 12 Aug 2011 21:08:08 +0000 (23:08 +0200)]
Merge branch 'vendor/AWK'
Sascha Wildner [Fri, 12 Aug 2011 21:07:23 +0000 (23:07 +0200)]
Import awk-
20110810.
* /pat/, \n /pat/ {...} is now legal, though bad style to use.
* added checks to new -v code that permits -vnospace
* removed fixed limit on number of open files
* fixed day 1 bug that resurrected deleted elements of ARGV when
used as filenames (in lib.c).
* minor type fiddles to make gcc -Wall -pedantic happier (but not
totally so)
* split(s, a, //) now behaves the same as split(s, a, "")
* another fix to avoid core dump with delete(ARGV)
Sascha Wildner [Fri, 12 Aug 2011 02:43:38 +0000 (04:43 +0200)]
kernel/x86_64: Remove bogus and unused file.
Matthew Dillon [Thu, 11 Aug 2011 21:38:09 +0000 (14:38 -0700)]
kernel - Fix deadlock w/recent vm_map work
* Fix a deadlock where a vm_page is being held PG_BUSY throgh a vm_map
relocking operation. This can deadlock against the attempt to busy
a vm_page while holding a vm_map lock.
* The solution is a bit of a hack. Currently allow the relock attempt to
timeout and force a retry of the VM fault, which unlocks and relocks
everything. This is not the best solution but the problem occurs
fairly rarely so for now it should be an acceptable workaround.
Reported-by: ftigeot, Studbolt
Sascha Wildner [Thu, 11 Aug 2011 18:31:01 +0000 (20:31 +0200)]
mfi(4): Merge LSI's latest driver changes (updates us to version 3.981).
This adds support for a number of cards (according to LSI's README):
* LSI MegaRAID SAS 9240-4i
* LSI MegaRAID SAS 9240-8i
* LSI MegaRAID SAS 9260-4i
* LSI MegaRAID SAS 9260-8i
* LSI MegaRAID SAS 9260DE-8i
* LSI MegaRAID SAS 9260-16i
* LSI MegaRAID SAS 9261-8i
* LSI MegaRAID SAS 9280-4i4e
* LSI MegaRAID SAS 9280-8e
* LSI MegaRAID SAS 9280DE-8e
* LSI MegaRAID SAS 9280-16i4e
* LSI MegaRAID SAS 9280-24i4e
It was tested by Tomi Juvonen <tomi.juvonen@kenou.biz> on an
IBM ServeRAID M1015 controller using LSI's 9240-8i IR firmware.
Sascha Wildner [Thu, 11 Aug 2011 18:28:48 +0000 (20:28 +0200)]
condvar.9: Mention that cv_broadcastpri()'s pri parameter is discarded.
Sascha Wildner [Thu, 11 Aug 2011 18:28:25 +0000 (20:28 +0200)]
<sys/condvar.h>: The cv_broadcastpri() macro needs to take a pri argument.
François Tigeot [Thu, 11 Aug 2011 16:13:11 +0000 (18:13 +0200)]
Mark the arcmsr driver MPSAFE
François Tigeot [Sat, 6 Aug 2011 15:29:06 +0000 (17:29 +0200)]
Implement a new vfs function, vfs_account()
It will be used to implement user and group disk space accounting
with possible filesystem-specific integration
Sascha Wildner [Wed, 10 Aug 2011 19:16:49 +0000 (21:16 +0200)]
acpi(4): Remove bogus line from the Makefile.
Sepherosa Ziehau [Wed, 10 Aug 2011 14:33:34 +0000 (22:33 +0800)]
msk(4): Add support for 88E8059
Obtained-from: FreeBSD 207445
Sepherosa Ziehau [Wed, 10 Aug 2011 11:57:59 +0000 (19:57 +0800)]
msk(4): Disable non-ASF packet flushing on Yukon Extreme.
This prevents Yukon Extreme from generating pause frame storm.
Obtained-from: FreeBSD 207442
Sepherosa Ziehau [Wed, 10 Aug 2011 11:49:06 +0000 (19:49 +0800)]
msk(4): RX_GMF_{LP,UP}_THR are 16bits registers
Obtained-from: FreeBSD 207409
Sepherosa Ziehau [Wed, 10 Aug 2011 11:44:30 +0000 (19:44 +0800)]
msk(4): PCI_OUR_REG_* and PCI_CFG_REG_* should be accessed indirectly
Obtained-from: FreeBSD 205161 w/ mod
Sepherosa Ziehau [Wed, 10 Aug 2011 11:30:51 +0000 (19:30 +0800)]
msk(4): Enable flow-control only if link is full-duplex
Obtained-from: FreeBSD 204540
Sepherosa Ziehau [Wed, 10 Aug 2011 09:48:31 +0000 (17:48 +0800)]
msk(4): Don't hardcod register offset to set PCIe max read request size.
This should fix 88E8072 support
Obtained-from: FreeBSD 204365
Sepherosa Ziehau [Wed, 10 Aug 2011 09:47:05 +0000 (17:47 +0800)]
pci: Add function to get PCIe max read request size
Sepherosa Ziehau [Wed, 10 Aug 2011 09:11:20 +0000 (17:11 +0800)]
msk(4): Add support for 88E8057
Obtained-from: FreeBSD 199012 202827
Sepherosa Ziehau [Wed, 10 Aug 2011 09:02:14 +0000 (17:02 +0800)]
msk(4): Force link state detection, if link is not up.
It seems generation of link state change of e1000phy(4) is not reliable
on some Marvell PHYs, so we force a link state change if the link is
still not up.
Obtained-from: FreeBSD 199413
Antonio Huete Jimenez [Wed, 10 Aug 2011 09:03:48 +0000 (11:03 +0200)]
vkernel(7) - Describe diskless operation.
- Add a section describing needed tunables for diskless operation.
- Add an example on how to boot it.
- Add VKERNEL64 config file to FILES section.
Sascha Wildner [Wed, 10 Aug 2011 08:31:17 +0000 (10:31 +0200)]
kernel: Staticize naccess().
Sascha Wildner [Mon, 1 Aug 2011 18:09:52 +0000 (20:09 +0200)]
mfi(4) & mfiutil(8): Sync with FreeBSD
Antonio Huete Jimenez [Tue, 9 Aug 2011 19:34:35 +0000 (21:34 +0200)]
vkernel(7) - Permit multiple -e options to pass environment variables
to the virtual kernel environment.
* kern_envp is a zero-separated string which ends with two zero chars.
Now every -e option is added to kern_envp so that when the kenv_init
parses the static envirorment it can process it properly.
Sascha Wildner [Tue, 9 Aug 2011 08:38:17 +0000 (10:38 +0200)]
kernel/x86_64: Convert asm accessing segment descriptors to use 16bit ops.
This also fixes -O0 compilation of the x86_64 kernel.
Reported-by: alexh
Taken-from: FreeBSD
Sascha Wildner [Tue, 9 Aug 2011 08:38:14 +0000 (10:38 +0200)]
kernel/i386: Use 16 bit types for functions that access segment descriptors.
This is a followup commit to
e96f55de.
Taken-from: FreeBSD
Antonio Huete Jimenez [Sun, 7 Aug 2011 20:22:44 +0000 (22:22 +0200)]
mk - Add two missing files to the README file
Sascha Wildner [Sun, 7 Aug 2011 02:41:30 +0000 (04:41 +0200)]
Move static & inline to the beginnings of declarations.
Sepherosa Ziehau [Fri, 5 Aug 2011 05:53:17 +0000 (13:53 +0800)]
getsockopt: Add SO_SNDSPACE
This SOL_SOCKET get-only option is used to get the approximate free space
of send buffer.
Sepherosa Ziehau [Fri, 5 Aug 2011 02:04:58 +0000 (10:04 +0800)]
e1000phy: Add support for more Marvell PHYs
Obtained-from: FreeBSD @211046 +223688
Sepherosa Ziehau [Fri, 5 Aug 2011 02:04:41 +0000 (10:04 +0800)]
miidevs.h: regen
Sepherosa Ziehau [Fri, 5 Aug 2011 02:04:09 +0000 (10:04 +0800)]
mii: Add more PHY ids for Marvell PHY chips
François Tigeot [Thu, 4 Aug 2011 14:53:47 +0000 (16:53 +0200)]
Remove forth and other unused bits from the loader.
More precisely openfirmware, ia64, powerpc, and sparc64 specific code.
Matthew Dillon [Thu, 4 Aug 2011 04:57:48 +0000 (21:57 -0700)]
hammer - Add memory use limit option for dedup runs
* Add '-m memlimit' (default 1G) to limit memory use during a dedup run.
If the limit is reached hammer will reduce the range of CRCs in the scan
and will perform multiple passes as needed to dedup the entire filesystem.
* VerboseOpt (-v) will be verbose about crc-range truncation and multiple
passes.
Matthew Dillon [Thu, 4 Aug 2011 02:41:22 +0000 (19:41 -0700)]
hammer - Add simple I/O optimization, collect stats on new deduplications
* Add a simple I/O optimization. When dealing with CRC collisions scan
the SHA sub-tree looking for the data_offset/data_len match, allowing
us to avoid unnecessary I/O reads.
This effects data which has already been de-duplicated, so it will improve
dedup rescan times on the portion that has already been dedupped.
* Collect statistics on NEW deduplications during the pass and print them
out in the final stats as well as in the ^T stats.
Matthew Dillon [Thu, 4 Aug 2011 01:42:38 +0000 (18:42 -0700)]
hammer - Collect record statistics, implement ^T and ^C
* Add a check for ^C
* Add a check for ^T and print statistics.
* When doing the dedup for real run a pre-pass on the b-tree to count the
number of data records present so the ^T feature can print out progress.
This also has the side effect of doing locality-of-reference disk
accesses to allow the b-tree data blocks to be cached by the kernel
(or swapcache) before doing the real pass which will insert random data
block reads when verifying duplicates. Due to the efficiencies both passes
should run faster than the original combined pass, or at least not take
too much longer.
Sascha Wildner [Tue, 2 Aug 2011 15:15:29 +0000 (17:15 +0200)]
aesni(4): Remove unused variable.
Sepherosa Ziehau [Tue, 2 Aug 2011 14:09:23 +0000 (22:09 +0800)]
msk(4): Recognize 88E8402
Obtained-from; FreeBSD 198475
Sepherosa Ziehau [Tue, 2 Aug 2011 14:06:38 +0000 (22:06 +0800)]
msk(4): Remove "FIFO overrun" debug logging, which is not critical
Obtained-from: FreeBSD 198997
Sepherosa Ziehau [Tue, 2 Aug 2011 14:04:22 +0000 (22:04 +0800)]
msk(4): Yukon XL can't flush FIFO
Obtained-from: FreeBSD 197591
Sepherosa Ziehau [Tue, 2 Aug 2011 04:11:12 +0000 (12:11 +0800)]
aesni(4): Properly align the context memory using out kmalloc(9) feature
DragonFly's kmalloc(9) will return 2^n aligned memory if the allocation
size is 2^n; use this feature instead of using a local hack.
While I'm here, release the spinlock and call kmalloc(9) w/ M_WAITOK;
the check/free race is absolutely acceptable here, but the failure
of kmalloc(9) w/ M_NOWAIT is probably not accetable on the init path.
Sepherosa Ziehau [Mon, 1 Aug 2011 11:45:56 +0000 (19:45 +0800)]
msk(4): Add Yukon Extreme support
Obtained-from: FreeBSD 193293 193294 193298 193299
Alex Hornung [Sun, 31 Jul 2011 15:03:28 +0000 (16:03 +0100)]
add MLINK for _updwtmpx
Alex Hornung [Sun, 31 Jul 2011 06:00:42 +0000 (07:00 +0100)]
updwtmpx - update prototype to be void, but ...
* also expose the int-returning prototype as _updwtmpx, only for internal
DragonFly use. It seems as if most programs out there assume that
updwtmpx returns void.
* This should fix heirloom in pkgsrc
Alex Hornung [Sun, 31 Jul 2011 05:52:45 +0000 (06:52 +0100)]
pthread - adjust visibility to 'default'
* This fixes pkgsrc build issues that think the symbols are hidden.
* It's not the most elegant solution, and it would be nicer if this
could somehow be merged into BEGIN_DECLS/END_DECLS, but I couldn't
find a way to do that.
* See http://gcc.gnu.org/wiki/Visibility for more details
Sepherosa Ziehau [Sun, 31 Jul 2011 09:40:44 +0000 (17:40 +0800)]
msk(4): 88E80{35,36,37,38} are 100baseT only
Obtained-from: FreeBSD 192742
Sepherosa Ziehau [Sun, 31 Jul 2011 09:31:36 +0000 (17:31 +0800)]
msk(4): Add Yukon FE+ support
Obtained-from: FreeBSD 192734 192735 192736
Sepherosa Ziehau [Sun, 31 Jul 2011 07:22:32 +0000 (15:22 +0800)]
msk(4): Explicitly reset GMAC Controls and clear GM_GP_CTRL
Obtained-from: FreeBSD 192731
Sepherosa Ziehau [Sun, 31 Jul 2011 07:17:47 +0000 (15:17 +0800)]
msk(4): Disable HW WOL for Yukon EC Ultra
Obtained-from: FreeBSD 192728
Sepherosa Ziehau [Sun, 31 Jul 2011 06:53:23 +0000 (14:53 +0800)]
msk(4): If link is down, don't disable RX/TX MACs if they are not enabled
Obtained-from: FreeBSD 192727
Sepherosa Ziehau [Sun, 31 Jul 2011 06:50:06 +0000 (14:50 +0800)]
msk(4): Fix link status detection
Obtained-from: FreeBSD 192727
Sepherosa Ziehau [Sun, 31 Jul 2011 06:33:17 +0000 (14:33 +0800)]
msk(4): Add flag to mark the controller is 100baseTX only
Obtained-from: FreeBSD 192723
Sepherosa Ziehau [Sun, 31 Jul 2011 06:22:06 +0000 (14:22 +0800)]
msk(4): Unify PROMISC and ALLMULTI settings
Obtained-from: FreeBSD 190314
Alex Hornung [Sat, 30 Jul 2011 08:04:14 +0000 (09:04 +0100)]
csu x86_64 - properly align stack
* Properly align the stack for the _init and _fini function calls
as expected by the x86_64 ABI and gcc.
* This solves a bus error (unaligned MOVDQA) with pixman and some
other stuff using SSE.
Antonio Huete Jimenez [Fri, 29 Jul 2011 20:09:38 +0000 (22:09 +0200)]
defaults/rc.conf - Add jail_devfs_enable as a known option.
Sascha Wildner [Fri, 29 Jul 2011 14:08:04 +0000 (16:08 +0200)]
manpages: Fix some typos.
Matthew Dillon [Fri, 29 Jul 2011 08:32:22 +0000 (01:32 -0700)]
vkernel - cpu_disable_intr adjustments
* cpu_disable_intr() also disables IPI interrupts now.
Matthew Dillon [Fri, 29 Jul 2011 08:25:46 +0000 (01:25 -0700)]
kernel - Fix rare IPIQ freezes
* Ensure that an IPI interrupt is sent went waiting for an IPIQ
to drain. The IPIQ can be pushed up by passive IPIs and not
necessarily have a signal pending on the target cpu, so we
have to put the check in our drain loop rather than outside
the loop.
* Add a cpu_pause() to reduce power use for the IPIQ drain case.
* Normalize the use of gd_intr_nesting_level and clean up the
code syntax for the ipiq_optimized case.
* Remove the previous temporary IPI interrupt signaling fix, it
was incomplete.
* Fix a missing crit_exit() in the ENOENT case for
lwkt_send_ipiq3_nowait().
* Track cpu's which are in the middle of ipiq processing and
assert that a cpu is not in an IPIQ processing loop when
switching between threads.
* Normalize the use of ip->ip_npoll in the IPIQ code. This
field is used to avoid unnecessary IPI interrupts.
Matthew Dillon [Fri, 29 Jul 2011 08:21:59 +0000 (01:21 -0700)]
vkernel - do not set SA_NODEFER for SIGIO and SIGUSR1
* Do not set SA_NODEFER for SIGIO and SIGUSR1 in vkernels. This fixes a
stack overflow which can occur under heavy I/O or IPI loads.
Matthew Dillon [Fri, 29 Jul 2011 08:19:29 +0000 (01:19 -0700)]
kernel - Fix signal delivery races
* The send side was using p->p_token but the processing code from trap
was still using the mp_lock. Fix the trap processing code to use
p->p_token.
* This fixes several nasty races that can cause signals to be lost and
vkernels to freeze, and possibly other programs which depend on signals
between threads.
Matthew Dillon [Fri, 29 Jul 2011 08:14:41 +0000 (01:14 -0700)]
kernel - Minor enhancement to ddb's 'ps'
* Add a pointer value in hex for wchan field to DDB's ps output.
Matthew Dillon [Fri, 29 Jul 2011 08:12:08 +0000 (01:12 -0700)]
kernel - Fix a small race in the umtx code
* Add an additional check after registering the vm_page action before
actually going to sleep, closing a potential vm_token race.
Matthew Dillon [Thu, 28 Jul 2011 23:20:33 +0000 (16:20 -0700)]
kernel - remove debugging print_backtrace() when a vkernel is killed
* In certain cases a debugging print_backtrace() occurs when a vkernel is
killed while one or more of its cpu threads is active. This can crash
64-bit systems.
* Remove the call for now.
Matthew Dillon [Thu, 28 Jul 2011 23:19:29 +0000 (16:19 -0700)]
vkernel - Add SIGINFO support (experimental)
* Display the lwp id and the pc and sp of the thread.
Matthew Dillon [Thu, 28 Jul 2011 23:16:29 +0000 (16:16 -0700)]
vkernel - Fix lockup with [v]kernel due to missing ipiq signal
* If the target ipiq has nothing but passively queued entries the target
cpu will normally just process the ipi's on the next clock interrupt.
However, if the originating cpu is forced to live-loop waiting for the
target to the drain the target may not be aware that it needs to drain
ASAP.
* The fix is for the originating cpu to ensure that an ipi interrupt is
sent to the target cpu before live looping.
* This appears to primarily effect vkernels.
Reported-by: ftigeot, tuxillo
Thomas Nikolajsen [Thu, 28 Jul 2011 21:19:50 +0000 (23:19 +0200)]
tcplay(8): Fix SYNOPSIS & sync to usage()
Also fix typo in getopt string.
Sascha Wildner [Thu, 28 Jul 2011 18:30:04 +0000 (20:30 +0200)]
manpages: Add some missing includes.
Sascha Wildner [Thu, 28 Jul 2011 17:10:17 +0000 (19:10 +0200)]