Commit Graph

159242 Commits

Author SHA1 Message Date
delphij
3459978671 Fix LINT build. 2009-09-25 02:19:57 +00:00
davidxu
d9aeefb9ce don't report error if key was deleted.
PR:	threads/135462
2009-09-25 00:15:30 +00:00
davidxu
14cbd7c194 In function do_rw_wrlock, when a writer got an error and before returning,
check if there are readers blocked by us via URWLOCK_WRITE_WAITERS flag,
and resume the readers. The error must be EAGAIN, otherwise there must
have memory problem, and nobody can rescue the buggy application.

The revision 197445 might be reverted.
2009-09-25 00:03:13 +00:00
jkim
21b9526006 Dump real mode registers under bootverbose to help debugging BIOS emulator. 2009-09-24 22:42:35 +00:00
ed
df5a33082a Add __unused.
It turns out my previous commit does survive a buildkernel, but not
compilation of the individual test tools that use WARNS=6.
2009-09-24 20:34:44 +00:00
ed
50a507dd22 Make SCS work in 8-bit mode.
This means we can finally do things like VT100 box drawing when using
Syscons (8-bit characters). As far as I know, the only remaining issue
is the absense of proper escape sequences for special keyboard
characters (cursor, F1 to F12, etc) and xterm emulation should be ready
for general use.

Enabling xterm would have the following advantages:

- Easier possible migration to Unicode. cons25 termcap entries are very
  8-bit centric. They use things like CP437 characters for box drawing,
  etc.

- Better support for SSH'ing to other operating systems/devices. Most
  switches use VT100-style admin interfaces.

- Reduced bandwidth, because applications can now use things like
  scrolling regions.

- You can finally use applications like dtach(1) on both the console and
  inside an xterm.
2009-09-24 20:33:14 +00:00
jkim
3bdf7a1c80 Initialize registers to zero before calling the interrupt handlers inside
emulator as we did in r197424 for vesa.

Submitted by:	paradox (ddkprog yahoo com)
2009-09-24 20:23:24 +00:00
jkim
f5566212dc Some broken VESA BIOSes, e.g., IBM T23, return wrong value from
vesa_bios_get_line_length() in graphics mode.  Always calculate the value
from known video info instead.

Submitted by:	paradox (ddkprog yahoo com)
2009-09-24 20:10:00 +00:00
jkim
0ff0c1c38f r197444 unnecessarily changed positions of these files. Re-sort. 2009-09-24 19:42:56 +00:00
jkim
54c804074e - Use FreeBSD function naming convention.
- Change x86biosCall() to more appropriate x86bios_intr().[1]

Discussed with:	delphij, paradox (ddkprog yahoo com)
Submitted by:	paradox (ddkprog yahoo com)[1]
2009-09-24 19:24:42 +00:00
yongari
15d9d0a9d2 Align Tx/Rx descriptors on 32 bytes boundary instead of PAGE_SIZE.
Also align setup descriptor on 32 bytes boundary. Tx buffer have no
alignment limitation so create dmamap without alignment
restriction[1]. Rx buffer still seems to require 4 bytes alignment
limitation but we can simply use MCLBYTES for size to map the
buffer instead of TULIP_DATA_PER_DESC as the buffer is allocated
with m_getcl(9).
de(4) supports up to TULIP_MAX_TXSEG segments for Tx buffers,
increase maximum dma segment size to TULIP_MAX_TXSEG * MCLBYTES.
While I'm here remove TULIP_DATA_PER_DESC as it is not used anymore.

This should fix de(4) breakage introduced after r176206.

Submitted by:	jhb [1]
Reported by:	WATANABE Kazuhiro < CQG00620 <> nifty dot ne dot jp >
Tested by:	WATANABE Kazuhiro < CQG00620 <> nifty dot ne dot jp >,
		Takahashi Yoshihiro < nyan <> jp dot freebsd dot org >
2009-09-24 17:53:00 +00:00
yongari
39fa231fbd Destroy dmamap in dma cleanup. 2009-09-24 17:11:41 +00:00
yongari
e2f2d3f5c5 Consistently use bus_addr_t. 2009-09-24 17:07:04 +00:00
mav
19afb02afb Do not call BUS_DRIVER_ADDED() for detached buses (attach failed) on
driver load. This fixes crash on atapicam module load on systems,
where some ata channels (usually ata1) was probed, but failed to attach.

Reviewed by:	jhb, imp
Tested by:	many
2009-09-24 17:03:32 +00:00
yongari
2109203e5b Use __NO_STRICT_ALIGNMENT to determine whether de(4) have to apply
alignment fixup code for received frames on strict alignment
architectures.
2009-09-24 16:57:35 +00:00
jhb
5744bc1d8c Remove unnecessary locking from attach(). This fixes a LOR between the
acpi_ibm lock and the sysctl lock.

MFC after:	3 days
2009-09-24 16:51:56 +00:00
pjd
3614d05785 Before calling vflush(FORCECLOSE) mark file system as unmounted so the
following vnops will fail. This is very important, because without this change
vnode could be reclaimed at any point, even if we increased usecount. The only
way to ensure that vnode won't be reclaimed was to lock it, which would be very
hard to do in ZFS without changing a lot of code. With this change simply
increasing usecount is enough to be sure vnode won't be reclaimed from under
us. To be precise it can still be reclaimed but we won't be able to see it,
because every try to enter ZFS through VFS will result in EIO.

The only function that cannot return EIO, because it is needed for vflush() is
zfs_root(). Introduce ZFS_ENTER_NOERROR() macro that only locks
z_teardown_lock and never returns EIO.

MFC after:	3 days
2009-09-24 15:56:26 +00:00
pjd
534a0875d3 Close race in zfs_zget(). We have to increase usecount first and then
check for VI_DOOMED flag. Before this change vnode could be reclaimed
between checking for the flag and increasing usecount.

MFC after:	3 days
2009-09-24 15:49:15 +00:00
emaste
9485b3f20f Add a backtrace to the "fpudna in kernel mode!" case, to help track down
where this comes from.

Reviewed by:	bde
2009-09-24 14:26:42 +00:00
rpaulo
1b3aba050a Update the includes to two more levels of subdirs.
MFC after:	1 week
2009-09-24 11:11:00 +00:00
avg
96f7c01c8c number of cleanups in i386 and amd64 pci md code
o introduce PCIE_REGMAX and use it instead of ad-hoc constant
o where 'reg' parameter/variable is not already unsigned, cast it to
  unsigned before comparison with maximum value to cut off negative
  values
o use PCI_SLOTMAX in several places where 31 or 32 were explicitly used
o drop redundant check of 'bytes' in i386 pciereg_cfgread() - valid
  values are already checked in the subsequent switch

Reviewed by:	jhb
MFC after:	1 week
2009-09-24 07:11:23 +00:00
marcel
e9f89a2ebc Don't create more partitions than can fit in the table by checking
that the index is within bounds.
2009-09-24 06:00:49 +00:00
attilio
a18d0e5adb rwlock implemented from libthr need to fall through the 'hard path' and
query umtx also if the shared waiters bit is set on a shared lock.
The writer starvation avoidance technique, infact, can lead to shared
waiters on a shared lock which can bring to a missed wakeup and thus
to a deadlock if the right bit is not checked (a notable case is the
writers counterpart to be handled through expired timeouts).

Fix that by checking for the shared waiters bit also when unlocking the
shared locks.

That bug was causing a reported MySQL deadlock.
Many thanks go to Nick Esborn and his employer DesertNet which provided
time and machines to identify and fix this issue.

PR:		thread/135673
Reported by:	Nick Esborn <nick at desert dot net>
Tested by:	Nick Esborn <nick at desert dot net>
Reviewed by:	jeff
2009-09-23 21:38:57 +00:00
jkim
4f6b75d358 Move sys/dev/x86bios to sys/compat/x86bios.
It may not be optimal but it is clearly better than the old place.

OK'ed by:	delphij, paradox (ddkprog yahoo com)
2009-09-23 20:49:14 +00:00
jkim
8f4cddf2f3 - Use spin lock instead of default mutex for safety. INT/IRET instructions
save/clear/restore flags but emulated flags have no effect on the host.
I believe BIOS writers never meant to run their code in emulated
environment with interrupt enabled. :-)
- Use memcpy(3) instead of copying individual members.  I believe struct
x86regs was intentionally copied from the first half of struct x86emu_regs
for this very purpose.
- Fix some style nits and consistencies.

Reviewed by:	delphij, paradox (ddkprog yahoo com)
2009-09-23 20:13:36 +00:00
rpaulo
0ac2765e98 Replace 'can not' with 'cannot' so that we use 'cannot' everywhere. 2009-09-23 17:48:16 +00:00
jhb
3f9fa059d7 Extract the code to find and map the MADT ACPI table during early kernel
startup and genericize it so it can be reused to map other tables as well:
- Add a routine to walk a list of ACPI subtables such as those used in the
  APIC and SRAT tables in the MI acpi(4) driver.
- Move the routines for mapping and unmapping an ACPI table as well as
  mapping the RSDT or XSDT and searching for a table with a given signature
  out into acpica_machdep.c for both amd64 and i386.
2009-09-23 15:42:35 +00:00
jhb
db54026572 Uninline an instance of STAILQ_FOREACH_SAFE(). 2009-09-23 15:39:54 +00:00
emaste
82a44c46c6 Use %zu for size_t, not %zd.
Submitted by:	ru
MFC after:	1 week
2009-09-23 15:32:59 +00:00
trasz
27dc8ae6d2 Add cross-filesystem regression tests for ACLs. 2009-09-23 15:12:20 +00:00
trasz
8d1eada574 In VOP_SETACL(9) and VOP_GETACL(9), specifying wrong ACL type should result
in EINVAL, not EOPNOTSUPP.
2009-09-23 15:09:34 +00:00
trasz
3d51a6cccb Add ACL fuzzer. It's not used by the regression tests right now,
but I'd prefert to have it here, so it won't get lost.
2009-09-23 15:06:51 +00:00
mlaier
6d2629a936 Improve on r197334:
Find the most recently merged svn revision, too. If we get a svn revision
that matches HEAD use rXXX=GIT otherwise use rXXX+GIT.

Submitted by:	avg
MFC after:	3 days
X-MFC:		not stable/8 before 8.0
2009-09-23 14:48:13 +00:00
jhb
4ba7964427 - Remove a bogus test: setsockopt() doesn't return a length, getsockopt()
does.
- Use %z to printf a size_t to fix compile on 64-bit platforms.
2009-09-23 14:23:09 +00:00
stas
1b0911cdd9 - Bump __FreeBSD_version to reflect the point when EVFILT_USER kevent filter
has been implemented.
2009-09-23 12:33:32 +00:00
kib
7c2682740a Document osrel node for procfs.
Approved by:	des (procfs maintainer)
MFC after:	3 weeks
2009-09-23 12:10:13 +00:00
kib
08eef7d34c Add per-process osrel node to the procfs, to allow read and set p_osrel
value for the process.

Approved by:	des (procfs maintainer)
MFC after:	3 weeks
2009-09-23 12:08:08 +00:00
pjd
002d301420 Restore BSD behaviour - when creating new directory entry use parent directory
gid to set group ownership and not process gid.

This was overlooked during v6 -> v13 switch.

PR:		kern/139076
Reported by:	Sean Winn <sean@gothic.net.au>
MFC after:	3 days
2009-09-23 09:18:16 +00:00
silby
9c5b455a41 In netstat -x, do not try to print out tcp timer status for udp sockets. 2009-09-23 05:32:33 +00:00
delphij
5f1ec7efd7 Initialize registers to zero before calling the interrupt handlers inside
emulator.  This fixes VESA related freeze observed on some systems.

Submitted by:	paradox <ddkprog yahoo com>
2009-09-23 02:45:02 +00:00
mav
d9e3a566ae MFp4:
If on sense request device returns no sence, give up and return,
or we may loop forever.
2009-09-22 22:23:52 +00:00
mav
d58971bf9a Lock bus scan. 2009-09-22 22:20:43 +00:00
mav
4b5ee5ca97 MFp4:
Reduce code duplication.
2009-09-22 22:17:14 +00:00
delphij
9258fa96c6 Temporarily disable typematic retrieving code until we get a real fix,
which currently causes hangs in some configurations.

Reported by:	joel
Submitted by:	swell.k at gmail.com
2009-09-22 20:12:10 +00:00
jhb
aefeeea8bf The elements in the component arrays may be direct Package objects rather
than references to objects.  In that case, simply use the Package directly.

I think a recent change to ACPI-CA is causing the interpreter to
automatically expand these references.

Reported by:	Olivier Smedts  olivier gid0 org
MFC after:	3 days
2009-09-22 18:34:23 +00:00
rpaulo
c8256e7fa4 Note the D3.03 mesh changes.
MFC after:	1 week
2009-09-22 18:19:18 +00:00
rpaulo
f41eff35af Update 802.11s mesh support to draft 3.03. This includes a revised frame
format for peering and changes to the PERR frames.
Note that this is incompatible with the previous code.

Reviewed by:	sam
MFC after:	1 week
2009-09-22 18:18:14 +00:00
rpaulo
4d7a22b3ee Reserve events for XScale.
Reviewed by:	jkoshy, gnn
MFC after:	1 week
2009-09-22 17:45:28 +00:00
delphij
9a2feea74a Removed unused empty directory.
Submitted by:	b. f. <bf1783 googlemail com>
2009-09-22 16:59:15 +00:00
jhb
8f447f623d - Split the logic to parse an SMAP entry out into a separate function on
amd64 similar to i386.  This fixes a bug on amd64 where overlapping
  entries would not cause the SMAP parsing to stop.
- Change the SMAP parsing code to do a sorted insertion into physmap[]
  instead of an append to support systems with out-of-order SMAP entries.

PR:		amd64/138220
Reported by:	James R. Van Artsdalen  james of jrv org
MFC after:	3 days
2009-09-22 16:51:00 +00:00