Commit Graph

190391 Commits

Author SHA1 Message Date
Bryan Drewery
864c53ead8 In preparation for ASLR [1] support add WITH_PIE to support building with -fPIE.
This is currently an opt-in build flag. Once ASLR support is ready and stable
it should changed to opt-out and be enabled by default along with ASLR.

Each application Makefile uses opt-out to ensure that ASLR will be enabled by
default in new directories when the system is compiled with PIE/ASLR. [2]

Mark known build failures as NO_PIE for now.

The only known runtime failure was rtld.

[1] http://www.bsdcan.org/2014/schedule/events/452.en.html
Submitted by:		Shawn Webb <lattera@gmail.com>
Discussed between:	des@ and Shawn Webb [2]
2014-06-08 17:29:31 +00:00
Alexander Motin
590d636321 Use atomics to modify numvnodes variable.
This allows to mostly avoid lock usage in getnewvnode_[drop_]reserve(),
that reduces number of global vnode_free_list_mtx mutex acquisitions
from 4 to 2 per NFS request on ZFS, improving SMP scalability.

Reviewed by:	kib
MFC after:	2 weeks
Sponsored by:	iXsystems, Inc.
2014-06-08 15:38:40 +00:00
Alexander Motin
b563304c50 Split RPC pool threads into number of smaller semi-isolated groups.
Old design with unified thread pool was good from the point of thread
utilization.  But single pool-wide mutex became huge congestion point
for systems with many CPUs.  To reduce the congestion create several
thread groups within a pool (one group for every 6 CPUs and 12 threads),
each group with own mutex.  Each connection during its registration is
assigned to one of the groups in round-robin fashion.  File affinify
code may still move requests between the groups, but otherwise groups
are self-contained.

MFC after:	2 weeks
Sponsored by:	iXsystems, Inc.
2014-06-08 11:19:32 +00:00
Konstantin Belousov
a288c757d4 Remove write-only local variable.
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2014-06-08 10:56:25 +00:00
Konstantin Belousov
23f6698fbd Initialize the pbuf counter for directio using SYSINIT, instead of
using a direct hook called from kern_vfs_bio_buffer_alloc().
Mark ffs_rawread.c as requiring both ffs and directio options to be
compiled into the kernel.  Add ffs_rawread.c to the list of ufs.ko
module' sources.

In addition to stopping breaking the layering violation, it also
allows to link kernel when FFS is configured as module and DIRECTIO is
enabled.

One consequence of the change is that ffs_rawread.o is always linked
into the module regardless of the DIRECTIO option.  This is similar to
the option QUOTA and ufs_quota.c.

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2014-06-08 10:55:06 +00:00
Alexander Motin
b5d7fb7398 Remove st_idle variable, duplicating st_xprt.
MFC after:	2 weeks
2014-06-08 10:18:22 +00:00
Alexander Motin
b776fb2d67 Introduce new per-thread lock to protect the list of requests.
This allows to slightly simplify svc_run_internal() code: if we processed
all the requests in a queue, then we know that new one will not appear.

MFC after:	2 weeks
2014-06-08 09:40:26 +00:00
Andrey V. Elsukov
45b4fb0449 Remove unused variable.
Sponsored by:	Yandex LLC
2014-06-08 09:08:51 +00:00
Neel Natu
5fcf252f41 Add ioctl(VM_REINIT) to reinitialize the virtual machine state maintained
by vmm.ko. This allows the virtual machine to be restarted without having
to destroy it first.

Reviewed by:	grehan
2014-06-07 21:36:52 +00:00
Alan Cox
dd05fa1945 Add a page size field to struct vm_page. Increase the page size field when
a partially populated reservation becomes fully populated, and decrease this
field when a fully populated reservation becomes partially populated.

Use this field to simplify the implementation of pmap_enter_object() on
amd64, arm, and i386.

On all architectures where we support superpages, the cost of creating a
superpage mapping is roughly the same as creating a base page mapping.  For
example, both kinds of mappings entail the creation of a single PTE and PV
entry.  With this in mind, use the page size field to make the
implementation of vm_map_pmap_enter(..., MAP_PREFAULT_PARTIAL) a little
smarter.  Previously, if MAP_PREFAULT_PARTIAL was specified to
vm_map_pmap_enter(), that function would only map base pages.  Now, it will
create up to 96 base page or superpage mappings.

Reviewed by:	kib
Sponsored by:	EMC / Isilon Storage Division
2014-06-07 17:12:26 +00:00
Hans Petter Selasky
4a4da38fcf Make WITNESS happy by giving USB mutexes different names.
Reported by:	trociny @
MFC after:	3 days
2014-06-07 15:51:29 +00:00
Hans Petter Selasky
2c9288df89 Fix for USB specification compliance. We need to accept both DATA0 and
DATA1 for INTERRUPT endpoints.

MFC after:	3 days
2014-06-07 10:13:45 +00:00
Hans Petter Selasky
dea9afcfae Some further DWC OTG improvements for full speed and low speed devices:
- Revert r265427. It appears we are halting the DWC OTG host
controller schedule if we process events only at every SOF. When doing
split transactions we rely on that events are processed quickly and
waiting too long might cause data loss.
- We are not always able to meet the timing requirements of interrupt
endpoint split transactions. Switch from INTERRUPT to CONTROL endpoint
type for interrupt endpoint events until further, hence CONTROL
endpoint events are more relaxed, reducing the chance of data
loss. See comment in code for more in-depth explanation.
- Simplify TT scheduling.

MFC after:	3 days
2014-06-07 07:23:17 +00:00
Rui Paulo
ea72ad9031 Mov p2041rdb.dts, p3041ds.dts, and p5020ds.dts to the powerpc directory. 2014-06-07 02:55:53 +00:00
Rui Paulo
a1e332c5b8 Fix the script to run make_dtb.sh instead of just dtc. 2014-06-07 02:38:13 +00:00
Rui Paulo
76b29e9c4f Add Makefiles to automatically test all the DTS files.
There are several broken DTS files right now in the arm directory.
2014-06-06 23:53:59 +00:00
Sergey Kandaurov
38d22923f7 Add support for inspecting process flags set in p_flag2.
Reviewed by:	jhb
MFC after:	1 week
2014-06-06 22:52:11 +00:00
Aleksandr Rybalko
8bb9d3675b Add Ukranian vt(4) keymaps as an example.
Sponsored by:	The FreeBSD Foundation
2014-06-06 21:58:27 +00:00
Rick Macklem
ca4defd583 The new NFS server would not allow a hard link to be
created to a symlink. This restriction (which was
inherited from OpenBSD) is not required by the NFS RFCs.
Since this is allowed by the old NFS server, it is a
POLA violation to not allow it. This patch modifies the
new NFS server to allow this.

Reported by:	jhb
Reviewed by:	jhb
MFC after:	3 days
2014-06-06 21:38:49 +00:00
Luigi Rizzo
c7156fe92f make sure if_transmit returns 0 if the mbuf is enqueued.
ixgbe/ixv.c still needs a similar fix but it takes a little
more restructuring of the code.

MFC after:	3 days
2014-06-06 20:49:56 +00:00
Christian Brueffer
a618ae937e Minor improvements.
MFC after:	1 week
2014-06-06 20:01:45 +00:00
Christian Brueffer
31ce2c778c Add vte(4) to the hardware notes.
MFC after:	3 days
2014-06-06 19:10:23 +00:00
Hans Petter Selasky
c440229d62 Compilation fixes. 2014-06-06 19:02:45 +00:00
Joel Dahl
b6829dc82a Minor mdoc improvements. 2014-06-06 19:00:43 +00:00
Julio Merino
8c7ec47a40 Move atf-sh from /usr/bin/ to /usr/libexec/
In r266650, we made libatf-c and libatf-c++ private libraries so that no
components outside of the source tree could unintendedly depend on them.

This change does the same for the "atf-sh library" by moving the atf-sh
interpreter from its public location in /usr/bin/ to the private location
in /usr/libexec/.  Our build system will ensure that our own test programs
use the right binary, but users won't be able to depend on atf-sh by
"mistake".

Committing this now to ride the UPDATING notice added with r267172 today.
2014-06-06 18:58:06 +00:00
Luigi Rizzo
e4166283fb better handling of netmap emulation over standard device drivers:
plug a potential mbuf leak, and detect bogus drivers that
return ENOBUFS even when the packet has been queued.

MFC after:	3 days
2014-06-06 18:36:02 +00:00
Ed Maste
44a63e4aec Clarify statement on font origin
Submitted by:	Dimitar Zhekov
2014-06-06 18:32:05 +00:00
Tycho Nightingale
594db0024e Support guest accesses to %cr8.
Reviewed by:	neel
2014-06-06 18:23:49 +00:00
Luigi Rizzo
997b054cf1 introduce mbq_lock() and mbq_unlock() for the mbq,
so it is easier to buil the same code on linux
(this generalizes the change in svn 267142)

MFC after:	3 days
2014-06-06 18:02:32 +00:00
Julio Merino
a845d42777 Add the *_TESTS_SH_SED_* functionality to atf.test.mk.
This exists already in plain.test.mk and tap.test.mk and should have been
added to atf.test.mk too when the feature was first introduced.

(It is probably time to address the related TODOs but I will do that
separately.)
2014-06-06 17:53:05 +00:00
Bryan Drewery
3675249837 Fix some rpcgen sample file issues.
* -Sc was generating code without a return type on main.
* -Sm was generating an unusable clean target due to undefined RM.
* -Sm was generating clean target with extra preceding space.

PR:		185582
Submitted by:	Pawel Biernacki <pawel.biernacki@gmail.com>
MFC after:	1 week
2014-06-06 17:38:37 +00:00
Ed Maste
021b026f31 Update after r267011: use -h height and -w width args 2014-06-06 17:38:30 +00:00
Julio Merino
727a7ce81b Homogenize libatf-* version numbers with upstream.
The libatf-* major version numbers in FreeBSD were one version ahead of
upstream because, when atf was first imported into FreeBSD, the upstream
numbers were not respected.  This is just confusing and bound to cause
problems down the road.

Fix this by taking advantage of the fact that libatf-* are now private
and that atf is not yet built by default.  However, and unfortunately, a
clean build is needed for tests to continue working once "make
delete-old-libs" has been run; hence the note in UPDATING.
2014-06-06 17:05:43 +00:00
Kevin Lo
6ed1354934 Remove extra semicolons. 2014-06-06 16:37:42 +00:00
Luigi Rizzo
0dc809c034 move netmap_getna() to a freebsd-specific file 2014-06-06 16:23:08 +00:00
Tycho Nightingale
b6ae8b050b Some devices (e.g. Intel AHCI and NICs) support quad-word access to
register pairs where two 32-bit registers make up a larger logical
size.  Support those access by splitting the quad-word into two
double-words.

Reviewed by:	grehan
2014-06-06 16:18:37 +00:00
Luigi Rizzo
9225c8085b misc bugfixes:
- stdio.h is needed for fprint()
- make memsize uint32_t to avoid errors due to overflow
- honor the *XPOLL flagg in NIOCREGIF requests
- mmap fails wit MAP_FAILED, not NULL.

MFC after:	3 days
2014-06-06 15:17:19 +00:00
Luigi Rizzo
5c8c100428 whitespace change: fix one comment, remove a stale one. 2014-06-06 15:15:27 +00:00
Luigi Rizzo
89cc25561c align comments with the ones in our development trunk 2014-06-06 14:58:25 +00:00
Luigi Rizzo
d8e1c53b15 rate limit some error messages 2014-06-06 14:57:40 +00:00
Luigi Rizzo
5899a007ae remove two debugging messages, align comments with the code
in our development trunk
2014-06-06 14:57:16 +00:00
Jilles Tjoelker
093e059c7d ktrace: Use designated initializers for the data_lengths array.
In the .o file, this only changes some line numbers (head amd64) because
element 0 is no longer explicitly initialized.

This should make bugs like FreeBSD-SA-14:12.ktrace less likely.

Discussed with:	des
MFC after:	1 week
2014-06-06 14:49:00 +00:00
Glen Barber
9ef6fea65d Dereference portaudit(1), as it is now deprecated and its
functionality exists in pkg-audit(8).

Submitted by:	Ronald Klop <ronald-lists@klop.ws>
MFC after:	3 days
Sponsored by:	The FreeBSD Foundation
2014-06-06 13:36:52 +00:00
Pawel Jakub Dawidek
12ca731189 The 'create' subcommand doesn't have '-h' option. 2014-06-06 13:00:53 +00:00
Christian Brueffer
b5112fafbb Mdoc cleanup, typo and grammar fixes. 2014-06-06 12:06:40 +00:00
Christian Brueffer
556f150a10 Add missing MLINKs. 2014-06-06 11:52:30 +00:00
Christian Brueffer
5e86a307e8 Add Lb string for libcuse. 2014-06-06 11:36:05 +00:00
Kevin Lo
ec74a03d01 Replace deprecated M_DONTWAIT with M_NOWAIT.
Reviewed by:	jfv
2014-06-06 11:12:19 +00:00
Luigi Rizzo
e31c6ec7e2 add checks for invalid buffer pointers and lengths 2014-06-06 10:50:14 +00:00
Luigi Rizzo
441ab64f52 prevent a panic when the netdev/ifp is not set in attach
(internal  c63a7b85)

MFC after:	3 days
2014-06-06 10:40:20 +00:00