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800e6812e2
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100828 Commits

Author SHA1 Message Date
csjp
800e6812e2 Allow sigwait(2) in capabilities mode. 
It's common for multi-threaded processes to create a thread for
the purpose of synchronously processing signals. Allow such processes to
utilize a capabilities sandbox.

Discussed with:	rwatson, pjd
MFC after:	2 weeks
 2014-01-28 01:49:49 +00:00
jhb
f19aad4127 Explicitly enable I/O and memory decoding in the bridge's command register 
when activating an I/O or memory window on the CardBus bridge.

Tested by:	Olivier Cochard-Labbe <olivier@cochard.me>
Reviewed by:	imp
MFC after:	3 days
 2014-01-27 19:49:52 +00:00
imp
3230712bf1 Remove extra parens to silence clang warning. 2014-01-27 19:31:18 +00:00
jhb
0fa3283d5a Add support for 'clac' and 'stac' to DDB's disassembler on amd64. 2014-01-27 18:53:18 +00:00
jmg
a9f1fd52d4 fix args to mtx_init 
Note that this commit hasn't been compile tested because these files
are not hooked up to the build...

PR:		186129
Submitted by:	Takanori Sawada
Approved by:	rpaulo
 2014-01-27 17:31:21 +00:00
imp
741e52a6b9 Before resetting the USART, delay a bit to allow the transmitter to 
finish the current character to drain to avoid glitching. Also,
simplify the code a smidge.
 2014-01-26 04:57:58 +00:00
jhibbits
c7db1aef3d MPC74xx should not fall through, to the error case. 
MFC after:	1 week
 2014-01-25 22:50:42 +00:00
imp
e6881f055e Make early printf output nicer by inserting a carriage return before 
any linefeeds that are output.
 2014-01-25 21:57:45 +00:00
imp
81ef37301f Bus space handles need to be the VA of the requested resource, not the 
rounded page VA. Correct so the DBGU device can be mapped for FDT
console since it isn't on a page boundary.
 2014-01-25 21:52:19 +00:00
neel
872f585846 Support level triggered interrupts with VT-x virtual interrupt delivery. 
The VMCS field EOI_bitmap[] is an array of 256 bits - one for each vector.
If a bit is set to '1' in the EOI_bitmap[] then the processor will trigger
an EOI-induced VM-exit when it is doing EOI virtualization.

The EOI-induced VM-exit results in the EOI being forwarded to the vioapic
so that level triggered interrupts can be properly handled.

Tested by:	Anish Gupta (akgupt3@gmail.com)
 2014-01-25 20:58:05 +00:00
glebius
bdf88b822a Fix compilation with IGB_LEGACY_TX defined. 
PR:		185909
Submitted by:	Aurelien Rougemont <beorn binaries.fr>
 2014-01-25 20:39:23 +00:00
bryanv
4f94357c4c Check for a full virtqueue in the multiqueue transmit path 
With most hosts, we'll negotiate indirect descriptors, so all we
need is one available descriptor to transmit a frame.
 2014-01-25 19:58:53 +00:00
bryanv
2ff4469dc7 Avoid queue unlock followed by relock when the enable interrupt race is lost 
This already happens infrequently, and the hold time is still bounded since
we defer to a taskqueue after a few tries.
 2014-01-25 19:57:30 +00:00
bryanv
60948c05ae Move duplicated transmit start code into a single function 2014-01-25 19:55:42 +00:00
andrew
3d46c92bcd Fix gcc with -Wstrict-prototypes by telling it bi_emac takes no parameters. 2014-01-25 19:36:27 +00:00
bryanv
25b1f83c53 Remove stray space 2014-01-25 18:34:57 +00:00
bryanv
d7761633d8 Also include the mbuf's csum_flags in an assert message 2014-01-25 07:35:09 +00:00
bryanv
96f4283ea8 Read and write the MAC address in the config space byte by byte 2014-01-25 07:13:47 +00:00
bryanv
9e10eebc1c Read each field of the configuration individually 
In the forthcoming VirtIO spec, the device configuration is
always in little endian instead of guest edian. This is a
noop change for now.
 2014-01-25 07:01:51 +00:00
grehan
e0134ab4ff Change RWX to XWR in comments to match intent and bit patterns 
in discussion of valid EPT pte protections.

Discussed with:	neel
MFC after:	3 days
 2014-01-25 06:58:41 +00:00
bryanv
fc455b7918 Remove spaces before tabs in the function prototype list 2014-01-25 06:54:04 +00:00
rmh
a40185286e Accept O_CLOEXEC in shm_open(). 
Reviewed by:	jilles, jhb
MFC after:	1 week
 2014-01-24 21:05:07 +00:00
andrew
2370ce3666 Correct the alignment of sp through functions that use UNWINDSVCFRAME. We 
were incorrectly adding the trap frame padding to the stack pointer after
reading it's value and unaligning it.
 2014-01-24 20:51:56 +00:00
pfg
145b8688cb ext2fs: Re-enable reallocblk. 
The major corruption issues affecting this code have been fixed
a while ago.

MFC after:	1 week
 2014-01-24 20:26:00 +00:00
alc
50a7eacf05 In an effort to diagnose possible corruption of struct vm_page on some 
sparc64 machines make the page queue assert in vm_page_dequeue() more
precise.  While I'm here switch the page lock assert to the newer style.
 2014-01-24 19:08:42 +00:00
hselasky
cdf5c15057 Add more USB quirks. 
Submitted by:	Gerrit Kuehn <gerrit.kuehn@aei.mpg.de>
MFC after:	1 week
 2014-01-24 18:52:04 +00:00
imp
e7a151ddfb Remove obsolete option 2014-01-24 17:00:27 +00:00
imp
b401580176 Fix comment to match option 2014-01-24 16:58:50 +00:00
imp
0599dc0cfc Fix comment to match option 2014-01-24 16:58:21 +00:00
imp
a69971a472 Fix comment to match option 2014-01-24 16:57:42 +00:00
imp
bebd1eced1 Add NAND support 
Fix comment
This board has 4 wire support
 2014-01-24 16:56:27 +00:00
imp
e97be4e538 Remove redundant declaration for uart devclass. 
Commint some unrelated, but harmless, FDT ifdefs.
 2014-01-24 16:50:15 +00:00
kevlo
2c9e578739 Fix comment. 2014-01-24 15:34:22 +00:00
hselasky
d32071b362 Hide now harmless warning from dmesg. 
MFC after:	1 week
 2014-01-24 15:05:28 +00:00
pfg
737dfd6dbe ext2fs: fix a bug in dirindex and re-enable. 
The IN_* flags should be set in i_flag instead of corrupting
i_flags [1].

Re-enable HTree dirindex as the last series of bug fixes
seems to have fixed the issues.

Reported by:	bde [1]
Tested by:	kevlo
MFC after:	1 week
 2014-01-24 13:51:38 +00:00
kevlo
f1926f47b5 Get rid of memmove(). It's not portable. 
Tested on RT3071, RT3573, RT3570, RT3572, and RT5572.

Reviewed by:	hselasky
 2014-01-24 09:17:29 +00:00
melifaro
c32089edca Reorder struct ip_fw_chain: 
* move rarely-used fields down
* move uh_lock to different cacheline
* remove some usused fields

Sponsored by:	Yandex LLC
 2014-01-24 09:13:30 +00:00
jhibbits
af4e5c659f Fix 32-bit signal handling on ppc64. This was broken when the PSL_USERSTATIC 
macro was changed.  Since copying 64-bit srr1 into 32-bit srr1 drops the upper
32 bits, any bits set in the context were dropped, meaning the context check
fails.  Since 32-bit set_context can't change those bits anyway, copy the ones
from the current context (td->td_frame) before calling set_context().

MFC after:	3 weeks
 2014-01-24 02:57:00 +00:00
ian
11813eb282 Be more robust with malformed interrupt config data. Instead of crashing 
or going into a near-infinite loop, warn and make potentially-reasonable
assumptions.

Reviewed by:	brooks, nwhitehorn
 2014-01-24 00:42:18 +00:00
imp
5979ccd151 clock-frequency is a FreeBSD-specific extention. Make it optional and 
allow the client uart drivers to decide if a frequency is required.
 2014-01-24 00:14:14 +00:00
ae
165a2b7500 Always free sbuf in gctl_free(). 
MFC after:	1 week
 2014-01-23 21:30:31 +00:00
ae
cb5cd1d9fc Remove another unneeded NULL check from geom_alloc_copyin(). 
Do copyout in case of gctl version mismatch and fix sbuf leak in
g_ctl_ioctl_ctl().

MFC after:	1 week
 2014-01-23 20:25:38 +00:00
jhb
b2533ec507 Move <machine/apicvar.h> to <x86/apicvar.h>. 2014-01-23 20:10:22 +00:00
ae
f9c14b9c5e In gctl_copyin() remove unused error variable. 
geom_alloc_copyin() can't return ENOMEM, so describe its fail as bad
control request. Add check for NULL pointer in gctl_dump(), since it
can be NULL when geom_alloc_copyin() failed.

MFC after:	1 week
 2014-01-23 19:55:02 +00:00
ae
ce531f97ec Fix typo in r261084. 
Add to the gctl_error() an ability to specify error description even
if numeric error code is already specified. Also by default set
error code to EINVAL.

PR:		185852
MFC after:	1 week
 2014-01-23 19:31:17 +00:00
ae
3ec50b516b malloc() with M_WAITOK doesn't return NULL. 
MFC after:	1 week
 2014-01-23 19:07:22 +00:00
imp
535c77d1fc Add Atmel serial drivers. 2014-01-23 18:09:10 +00:00
kib
05b9ae7031 The posix_fallocate(2) syscall should return error number on error, 
without modifying errno.

Reported and tested by:	Gennady Proskurin <gpr@mail.ru>
Reviewed by:	mdf
PR:	standards/186028
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
 2014-01-23 17:24:26 +00:00
hselasky
8acd608957 Revert r261014. Let Kevin fix it. 
MFC after:	1 week
 2014-01-23 10:18:28 +00:00
neel
232e34343e Set "Interrupt Window Exiting" in the case where there is a vector to be 
injected into the vcpu but the VM-entry interruption information field
already has the valid bit set.

Pointed out by:	David Reed (david.reed@tidalscale.com)
 2014-01-23 06:06:50 +00:00