jeff [Sat, 9 Apr 2005 11:53:16 +0000 (11:53 +0000)]
- If we vrele() a dvp while the child is locked we can potentially deadlock
when vrele() acquires the directory lock in the wrong order. Fix this
via the following changes:
- Keep the directory locked after VOP_LOOKUP() until we've determined
what we're going to do with the child. This allows us to remove the
complicated post LOOKUP code which determins whether we should lock or
unlock the parent. This means we may have to vput() in the appropriate
cases later, rather than doing an unsafe vrele.
- in NDFREE() keep two flags to indicate whether we need to unlock vp or
dvp. This allows us to vput rather than vrele in the appropriate
cases without rechecking the flags. Move the code to handle dvp after
we handle vp.
- Remove some dead code from namei() that was the result of changes to
VFS_LOCK_GIANT().
sos [Fri, 8 Apr 2005 15:33:04 +0000 (15:33 +0000)]
Add support for the PHY on nVidia, SiS and VIA chips
This code is done blindfolded as I dont have such HW here, so reports
of success/failure are most welcome.
o Nano optimize ip_reass() code path for the first fragment: do not
try to reasseble the packet from the fragments queue with the only
fragment, finish with the first fragment as soon as we create a queue.
Spotted by: Vijay Singh
o Drop the fragment if maxfragsperpacket == 0, no chances we
will be able to reassemble the packet in future.
o Disable random port allocation when ip.portrange.first ==
ip.portrange.last and there is the only port for that because:
a) it is not wise; b) it leads to a panic in the random ip port
allocation code. In general we need to disable ip port allocation
randomization if the last - first delta is ridiculous small.
Import a basic implementation of the restartable atomic sequences to provide
atomic operations to userland (this is OK for UP only, but SMP is still so
far away).
Add rudimentary man pages for kernel options sched_4bsd and sched_ule,
which document some of the sysctls available for configuring 4bsd, some
of the bullet features of ule, and that ule is considered experimental
still.
Make previous commit actually working by replacing TUNABLE_INT() with
TUNABLE_INT_FETCH(). Apparently keyboard init is performed earlier
in the boot process than fetching all static tunables.
Provide a new tunable hw.atkbdc.broken_kit_cmd, which if set to 1
instructs the driver to avoid using Keyboard Interface Test command.
This command causes problems with some non-compliant hardware, resulting
in machine being abruptly powered down early in the boot process.
Particularly it's known that HP ZV5000 and Compaq R3000Z notebooks
are affected by this problem.
Due to popularity of those models this patch is good MFC5.4 candidate.
PR: 67745
Submitted by: Jung-uk Kim jkim at niksun.com
MFC after: 1 days
- Be more informative about advbase and advskew. [1]
- Fix ifconfig commands. Replace 'mekmitasdigoat' with
'foobar'. While the former is more cool, the latter
makes example lines shorter.
harti [Thu, 7 Apr 2005 11:29:39 +0000 (11:29 +0000)]
Handle popping of the input stack in ParseReadLine() instead of
Parse_File(). Remove a comment and a piece of code comming from
ancient times when the if-directive read like #if and not .if.
Correctly analyze the first character of a line.
harti [Thu, 7 Apr 2005 11:26:15 +0000 (11:26 +0000)]
Mostly stylistic changes: remove the noPLen field from the Shell
structure - it is just the strlen() of noPrint. Inline JobCondPassSig()
in the only function JobPassSig() using it. Fix the argument types
of JobPrintCommand(). Better parsing for the .SHELL target keywords.
Remove PR_ATOMIC flag in ng_btsocket_protosw[] for BLUETOOTH_PROTO_RFCOMM
protocol. RFCOMM is a SOCK_STREAM protocol not SOCK_SEQPACKET. This was a
serious bug caused by cut-and-paste. I'm surprised it did not bite me before.
Dunce hat goes to me.
New release notes:
debug.mpsafevm=1 by default on sparc64,
ixgb(4) MPSAFE,
core dump of natd(8) w/ -reverse fixed,
libarchive zip support improved, and
rexecd(8) root login problem fixed.
In ng_btsocket_rfcomm_receive_frame() correctly set length variable when
EA bit is set in hdr->length (16-bit length). This currently has no effect
on the rest of the code. It just fixes the debug message.
- we are no longer shareing any resources to be locked between
getaddrinfo(3) and getipnodeby*(3).
- use definitions in reentrant.h.
- remove obsolete comment.
When a packet has been reinjected into ipfw(4) after dummynet(4) processing
we have a non-NULL args.rule. If the same packet later is subject to "tee"
rule, its original is sent again into ipfw_chk() and it reenters at the same
rule. This leads to infinite loop and frozen router.
Assign args.rule to NULL, any time we are going to send packet back to
ipfw_chk() after a tee rule. This is a temporary workaround, which we
will leave for RELENG_5. In HEAD we are going to make divert(4) save
next rule the same way as dummynet(4) does.
PR: kern/79546
Submitted by: Oleg Bulyzhin
Reviewed by: maxim, andre
MFC after: 3 days
jeff [Wed, 6 Apr 2005 06:49:46 +0000 (06:49 +0000)]
- Assert that the bufobj matches in flushbuflists. I still haven't gotten
to root cause on exactly how this happens.
- If the assert is disabled, we presently try to handle this case, but the
BUF_UNLOCK was missing. Thus, if this condition ever hit we would leak
a buf lock.
Many thanks to Peter Holm for all his help in finding this bug. He really
put more effort into it than I did.
A number of improvements to ZIP support.
* Handles entries with compressed size >2GB (signed/unsigned cleanup)
* Handles entries with compressed size >4GB ("ZIP64" extension)
* Handles Unix extensions (ctime, atime, mtime, mode, uid, etc)
* Format-specific "skip data" override allows ZIP reader to skip
entries without decompressing them, which makes "tar -t"
a lot faster.
* Handles "length-at-end" entries generated by, e.g., "zip -r - foo"
Many thanks to: Dan Nelson, who contributed the code and test files for
the first three items above and suggested the fourth.
peter [Wed, 6 Apr 2005 01:55:43 +0000 (01:55 +0000)]
Merge from RELENG_5: invert WITH_LIB32 into NO_LIB32 so that we build the
32 bit libraries by default. Define NO_LIB32 in make.conf if you do not
want this.