23 months agocompilers.conf.5: We only describe non-base compilers here.
Sascha Wildner [Fri, 12 Oct 2012 07:53:20 +0000 (09:53 +0200)]
compilers.conf.5: We only describe non-base compilers here.

"gcc47" is no longer handled via compilers.conf.

23 months agokernel: Add KOBJMETHOD_END and use it.
Sascha Wildner [Fri, 12 Oct 2012 07:34:00 +0000 (09:34 +0200)]
kernel: Add KOBJMETHOD_END and use it.

23 months agousb4bsd/uether: Missing argument in usb_ether_method's ue_ioctl() member.
Sascha Wildner [Fri, 12 Oct 2012 06:25:36 +0000 (08:25 +0200)]
usb4bsd/uether: Missing argument in usb_ether_method's ue_ioctl() member.

23 months agousb4bsd/if_udav: Comment out a variable (usage is not yet enabled).
Sascha Wildner [Fri, 12 Oct 2012 06:24:06 +0000 (08:24 +0200)]
usb4bsd/if_udav: Comment out a variable (usage is not yet enabled).

23 months agousb4bsd/audio: 'static' has to be at the beginning of the declaration.
Sascha Wildner [Fri, 12 Oct 2012 06:23:02 +0000 (08:23 +0200)]
usb4bsd/audio: 'static' has to be at the beginning of the declaration.

23 months agoRemove old USB stuff when the new stack is requested.
Sascha Wildner [Fri, 12 Oct 2012 05:44:34 +0000 (07:44 +0200)]
Remove old USB stuff when the new stack is requested.

23 months agoMakefile_upgrade.inc: Adjust modules path.
Sascha Wildner [Fri, 12 Oct 2012 05:00:48 +0000 (07:00 +0200)]
Makefile_upgrade.inc: Adjust modules path.

This can be helpful in cases where old modules for some reason
had not been cleaned when the location was still /boot/modules
and have ended up getting objcopy'd to /boot/kernel after the
location was changed.

23 months agoemx: Remove unused statistics
Sepherosa Ziehau [Fri, 12 Oct 2012 03:04:04 +0000 (11:04 +0800)]
emx: Remove unused statistics

23 months agoifpoll: Don't bark, if status poll handler does not exist
Sepherosa Ziehau [Fri, 12 Oct 2012 02:52:37 +0000 (10:52 +0800)]
ifpoll: Don't bark, if status poll handler does not exist

Since no status poll handler is allowed, don't do meaningless error logging

23 months agoifpoll: Don't pass pollhz to status poll handler
Sepherosa Ziehau [Fri, 12 Oct 2012 02:46:27 +0000 (10:46 +0800)]
ifpoll: Don't pass pollhz to status poll handler

It is not useful at all.

23 months agojme: Let callout run on CPU0, this is where main serializer is held
Sepherosa Ziehau [Fri, 12 Oct 2012 01:21:18 +0000 (09:21 +0800)]
jme: Let callout run on CPU0, this is where main serializer is held

23 months agokernel - Fix i386 pmap bug
Matthew Dillon [Thu, 11 Oct 2012 21:34:09 +0000 (14:34 -0700)]
kernel - Fix i386 pmap bug

* mpte will be NULL for KVM page table pages, there is no need to track
  the wire count.  Conditionalize-out the unwiring call.

* This is believed to be (this time for sure to the third power!) the
  PG_BUSY crash that vsrinivas was getting on i386 related to paging
  in a swapped kernel pipe buffer.

23 months agokernel - Make pcb_onfault more robust.
Matthew Dillon [Thu, 11 Oct 2012 19:12:25 +0000 (12:12 -0700)]
kernel - Make pcb_onfault more robust.

* Record the expected kernel stack pointer along with the pcb_onfault
  action.  Adjust the trap code to only take the action if the frame's
  stack pointer matches the recorded expected stack pointer.

  Otherwise this might be a recursive trap and we definitely do NOT want
  to execute the on-fault stuff in that situation.

* Prior to these changes recursive traps during uiomove()s could result
  in a kernel stack so corrupt that finding the actual cause of the panic
  becomes impossible.  This is believed to be making life difficult for us
  trying to track down a particular i386 panic.

* On x86-64 we had to increase the size of the pcb structure.  kgdb on
  kernel cores and live kernels will be effected (needs recompile).

23 months agotop - Use RES by default instead of PRES
Matthew Dillon [Thu, 11 Oct 2012 15:36:45 +0000 (08:36 -0700)]
top - Use RES by default instead of PRES

* The kernel support for PRES was removed during the SMP fine-grained
  locking work on the VM system last year so top was reporting 0K for
  everything.  Change top to go back to RES.

23 months agousb4bsd: Add uether dependency for compiling udav into the kernel.
Sascha Wildner [Thu, 11 Oct 2012 13:40:41 +0000 (15:40 +0200)]
usb4bsd: Add uether dependency for compiling udav into the kernel.

23 months agousb4bsd: Fix the compilation of the remaining drivers into the kernel.
Sascha Wildner [Thu, 11 Oct 2012 13:35:38 +0000 (15:35 +0200)]
usb4bsd: Fix the compilation of the remaining drivers into the kernel.

23 months agousb4bsd: Fix some compilation warnings.
Sascha Wildner [Thu, 11 Oct 2012 13:35:22 +0000 (15:35 +0200)]
usb4bsd: Fix some compilation warnings.

23 months agousb4bsd: Allow some parts to be built into the kernel.
Sascha Wildner [Thu, 11 Oct 2012 09:24:08 +0000 (11:24 +0200)]
usb4bsd: Allow some parts to be built into the kernel.

This is for the core support, and for uhci, ohci, ehci and xhci.

To do this, replace:

  device usb


  device "usb4bsd"

in the config. The quotes are needed at the moment to cope with a
weakness in our config(8) that needs fixing.

Based-on-patch-submitted-by: Markus Pfeiffer <markus.pfeiffer@morphism.de>
23 months agokernel/mii_layer: Little indentation fix.
Sascha Wildner [Thu, 11 Oct 2012 09:18:50 +0000 (11:18 +0200)]
kernel/mii_layer: Little indentation fix.

23 months agousb4bsd: Port network devices (uether, udav, axe) and hook into build.
Sascha Wildner [Thu, 11 Oct 2012 09:18:06 +0000 (11:18 +0200)]
usb4bsd: Port network devices (uether, udav, axe) and hook into build.

Submitted-by: Markus Pfeiffer <markus.pfeiffer@morphism.de>
23 months agousb4bsd: Port input devices (uep, uhid, ukbd, ums) and hook into build.
Sascha Wildner [Wed, 10 Oct 2012 22:55:15 +0000 (00:55 +0200)]
usb4bsd: Port input devices (uep, uhid, ukbd, ums) and hook into build.

Submitted-by: Markus Pfeiffer <markus.pfeiffer@morphism.de>
23 months agousb4bsd: Fixes, fixes, fixes.
Sascha Wildner [Wed, 10 Oct 2012 22:06:44 +0000 (00:06 +0200)]
usb4bsd: Fixes, fixes, fixes.

* Fix a panic when trying to free null pointer in usb_free_device.

* Fix a panic due to wrong assignment of locks.

* Fix kqueue handling.

* Add debug helpers.

Submitted-by: Markus Pfeiffer <markus.pfeiffer@morphism.de>
23 months agousb4bsd: Implement umass scsi probing on attach.
Sascha Wildner [Wed, 10 Oct 2012 21:46:53 +0000 (23:46 +0200)]
usb4bsd: Implement umass scsi probing on attach.

Submitted-by: Markus Pfeiffer <markus.pfeiffer@morphism.de>
23 months agousb4bsd: Bring in FreeBSD's uaudio driver.
Sascha Wildner [Sun, 7 Oct 2012 15:25:03 +0000 (17:25 +0200)]
usb4bsd: Bring in FreeBSD's uaudio driver.

This is based on FreeBSD SVN r231881.

Submitted-by: Markus Pfeiffer <markus.pfeiffer@morphism.de>
23 months agousb4bsd: Separate building of the old USB modules.
Sascha Wildner [Tue, 2 Oct 2012 04:21:24 +0000 (06:21 +0200)]
usb4bsd: Separate building of the old USB modules.

Don't build the old USB driver modules when WANT_USB4BSD is set.

Also, do some cleanup in some of the Makefiles, while I'm here.

23 months agousb4bsd: Cleanup pass.
Sascha Wildner [Mon, 1 Oct 2012 04:04:09 +0000 (06:04 +0200)]
usb4bsd: Cleanup pass.

* Adjust indentation, whitespace and typos.

* Uniformly use #if 0 to deactivate code instead of C comments.

23 months agousb4bsd: Hook usb, ehci, ohci, uhci, xhci, umass, and usfs into the build.
Sascha Wildner [Thu, 27 Sep 2012 07:51:55 +0000 (09:51 +0200)]
usb4bsd: Hook usb, ehci, ohci, uhci, xhci, umass, and usfs into the build.

Adds some missing Makefiles and adjusts others.

With this commit, the corresponding modules all build when WANT_USB4BSD
is set, but they are not guaranteed to work. More bugs will be fixed in
subsequent commits.

The new USB code can't yet be built into the kernel.

Submitted-by: Markus Pfeiffer <markus.pfeiffer@morphism.de>
23 months agousb4bsd: Perform the usual porting on the controller, storage and core code.
Sascha Wildner [Wed, 26 Sep 2012 17:31:51 +0000 (19:31 +0200)]
usb4bsd: Perform the usual porting on the controller, storage and core code.

malloc -> kmalloc, printf -> kprintf, locking, and so forth.

Submitted-by: Markus Pfeiffer <markus.pfeiffer@morphism.de>
23 months agousb4bsd: Generate usbdevs.h and usbdevs_data.h.
Sascha Wildner [Wed, 26 Sep 2012 16:00:13 +0000 (18:00 +0200)]
usb4bsd: Generate usbdevs.h and usbdevs_data.h.

Also, rename devlist2h.awk to usbdevs2h.awk and remove our CVS ID in

Submitted-by: Markus Pfeiffer <markus.pfeiffer@morphism.de>
23 months ago<bus/pci/pcireg.h>: Add a definition for XHCI programming interface.
Sascha Wildner [Wed, 26 Sep 2012 07:27:25 +0000 (09:27 +0200)]
<bus/pci/pcireg.h>: Add a definition for XHCI programming interface.

Submitted-by: Markus Pfeiffer <markus.pfeiffer@morphism.de>
23 months agousb4bsd: Hook the userland part into the build.
Sascha Wildner [Wed, 26 Sep 2012 00:00:09 +0000 (02:00 +0200)]
usb4bsd: Hook the userland part into the build.

Define a new make.conf(5) variable, WANT_USB4BSD, which (if set) causes
the new USB's userland to be built (similar to WANT_NETGRAPH7).

23 months agousb4bsd: Adjust header paths in libusbhid, usbhidctl, and public headers.
Sascha Wildner [Tue, 25 Sep 2012 21:15:43 +0000 (23:15 +0200)]
usb4bsd: Adjust header paths in libusbhid, usbhidctl, and public headers.

Also remove some __FBSDID's.

Submitted-by: Markus Pfeiffer <markus.pfeiffer@morphism.de>
23 months agousb4bsd: Bring in FreeBSD's libusbhid, usbhidctl and USB kernel code.
Sascha Wildner [Tue, 25 Sep 2012 21:11:40 +0000 (23:11 +0200)]
usb4bsd: Bring in FreeBSD's libusbhid, usbhidctl and USB kernel code.

In order to make it live peacefully along with our old USB code, name
all directories with new USB code *u4b* instead of *usb*.

This is FreeBSD SVN r231881.

Submitted-by: Markus Pfeiffer <markus.pfeiffer@morphism.de>
23 months agoacpi/pstate: Be lenient about wrong # of processors in the power domain
Sepherosa Ziehau [Thu, 11 Oct 2012 06:54:52 +0000 (14:54 +0800)]
acpi/pstate: Be lenient about wrong # of processors in the power domain

Some stupid BIOSes seem to consider two logic CPUs (hyperthreading) as
one CPU.  Don't bail out; just print some error messages.

Reported-by: dillon@
23 months agokernel - Use atomic op for usched_global_cpumask
Matthew Dillon [Thu, 11 Oct 2012 06:43:03 +0000 (23:43 -0700)]
kernel - Use atomic op for usched_global_cpumask

* Use atomic op for usched_global_cpumask in the cpu init code.  This
  code is serialized anyway, I think, but it is best to be safe.

* Add cpu_ccfence() to ensure that the compiler does not reorder the
  clearing of the mask in the cpusync code.

23 months agojme: Cache align software TX/RX descriptor data
Sepherosa Ziehau [Thu, 11 Oct 2012 05:55:28 +0000 (13:55 +0800)]
jme: Cache align software TX/RX descriptor data

23 months agocachealign: Fix __VM_CACHELINE_ALIGN
Sepherosa Ziehau [Thu, 11 Oct 2012 05:54:08 +0000 (13:54 +0800)]
cachealign: Fix __VM_CACHELINE_ALIGN

With-Input-from: dillon@

23 months agoktr: Use __cachealign to align ktr_cpu
Sepherosa Ziehau [Thu, 11 Oct 2012 05:52:55 +0000 (13:52 +0800)]
ktr: Use __cachealign to align ktr_cpu

The version of __VM_CACHELINE_ALIGN will not properly pad struct to
the cache line size.

Reviewed-by: dillon@
23 months agoaesni: Utilize kmalloc M_POWEROF2
Sepherosa Ziehau [Thu, 11 Oct 2012 01:53:19 +0000 (09:53 +0800)]
aesni: Utilize kmalloc M_POWEROF2

23 months agokernel - Remove debugging from i386 pmap
Matthew Dillon [Wed, 10 Oct 2012 23:43:57 +0000 (16:43 -0700)]
kernel - Remove debugging from i386 pmap

* Remove i386 pmap debugging kprintf.

23 months agokernel - Add MODULE_VERSION for if_ale
Matthew Dillon [Wed, 10 Oct 2012 23:36:19 +0000 (16:36 -0700)]
kernel - Add MODULE_VERSION for if_ale

* Seems to solve boot-time lockup when if_ale is built into the kernel
  AND also specified in /boot/loader.conf

* Related issues now being reviewed by swildner

23 months agokernel - Probable fix to vm_fault: PG_BUSY panic on i386
Matthew Dillon [Wed, 10 Oct 2012 21:47:57 +0000 (14:47 -0700)]
kernel - Probable fix to vm_fault: PG_BUSY panic on i386

* The info structure for the pmap_inval*() API is only initialized
  conditionally as an optimization.

* There was a case where the info structure was being used without
  first being initialized which matches reported panics (essentially
  a pipe buffer page in kernel memory is swapped out and the faulted back
  in during a uiomove).

Reported-by: vsrinivas, marino, several others
23 months agokernel - Fix missing LWKT token init in linprocfs
Matthew Dillon [Wed, 10 Oct 2012 20:24:59 +0000 (13:24 -0700)]
kernel - Fix missing LWKT token init in linprocfs

* Fix missing LWKT token init in linprocfs.  linprocfs_init() was not
  being called.

Reported-by: marino
23 months agokernel - Adjust cache_fullpath() API
Matthew Dillon [Wed, 10 Oct 2012 19:13:35 +0000 (12:13 -0700)]
kernel - Adjust cache_fullpath() API

* Add another argument to explicitly specify the base directory that the
  path is to be relative to.

23 months agokmalloc: Streamline the code a little bit
Sepherosa Ziehau [Wed, 10 Oct 2012 12:49:59 +0000 (20:49 +0800)]
kmalloc: Streamline the code a little bit

23 months agokmalloc: Fix comment
Sepherosa Ziehau [Wed, 10 Oct 2012 12:44:54 +0000 (20:44 +0800)]
kmalloc: Fix comment

23 months agokmalloc: Use powerof2() to detect power-of-2 size
Sepherosa Ziehau [Wed, 10 Oct 2012 12:43:27 +0000 (20:43 +0800)]
kmalloc: Use powerof2() to detect power-of-2 size

23 months agokmalloc: No need to call fls if the size is already power-of-2 aligned
Sepherosa Ziehau [Wed, 10 Oct 2012 12:40:57 +0000 (20:40 +0800)]
kmalloc: No need to call fls if the size is already power-of-2 aligned

Reduce code complexity

23 months agokmalloc_cachealign: Utilize kmalloc() chunk size aligned property
Sepherosa Ziehau [Wed, 10 Oct 2012 12:10:20 +0000 (20:10 +0800)]
kmalloc_cachealign: Utilize kmalloc() chunk size aligned property

Avoid power-of-2 rounding up if the to-be-used zone is already
aligned properly.

Suggested-by: dillon@
23 months agokmalloc: Add comment about alignment property
Sepherosa Ziehau [Wed, 10 Oct 2012 09:38:41 +0000 (17:38 +0800)]
kmalloc: Add comment about alignment property

23 months agokmalloc: Make allocation zone's chunk size align
Sepherosa Ziehau [Wed, 10 Oct 2012 09:17:12 +0000 (17:17 +0800)]
kmalloc: Make allocation zone's chunk size align

Remove no longer used macros.

Discussed-with: dillon@
Submitted-by: dillon@
23 months agojme: Put TX related stuffs into struct jme_txdata
Sepherosa Ziehau [Tue, 9 Oct 2012 09:56:55 +0000 (17:56 +0800)]
jme: Put TX related stuffs into struct jme_txdata

While I'm here, add more comment

23 months agojme: Move uncommonly accessed fields to the end of the struct
Sepherosa Ziehau [Tue, 9 Oct 2012 08:46:31 +0000 (16:46 +0800)]
jme: Move uncommonly accessed fields to the end of the struct

23 months agoBranching 3.2/3.3 v3.3.0
Justin C. Sherrill [Tue, 9 Oct 2012 03:25:57 +0000 (23:25 -0400)]
Branching 3.2/3.3

23 months agokernel - Fix UP build for usched_dfly.c
Matthew Dillon [Tue, 9 Oct 2012 00:56:09 +0000 (17:56 -0700)]
kernel - Fix UP build for usched_dfly.c

* Fix UP build errors

Reported-by: multiple
23 months agovkernel - Properly initialize pool tokens.
Antonio Huete Jimenez [Mon, 8 Oct 2012 14:28:20 +0000 (16:28 +0200)]
vkernel - Properly initialize pool tokens.

 * There was no call to init_locks() in vkernel's initialization
   code, so provide one.

 * As pool tokens weren't initialized, the attempt to copy its
   t_desc in lwkt_getalltokens() resulted in a panic. This should
   be fixed now.

 * Add a KASSERT() so that uninitialized tokens will panic the system.

Suggested by: swildner

23 months agokmalloc.9: Document M_POWEROF2.
Sascha Wildner [Mon, 8 Oct 2012 12:53:28 +0000 (14:53 +0200)]
kmalloc.9: Document M_POWEROF2.

23 months agokmalloc: Use 'fls' to round up the size to the nearest power of 2
Sepherosa Ziehau [Mon, 8 Oct 2012 12:14:56 +0000 (20:14 +0800)]
kmalloc: Use 'fls' to round up the size to the nearest power of 2

On average tests conducted on Intel i3, i7 and xeon-e3 in x86_64 mode,
fls version is 3 times faster than the simple loop version.

Submitted-by: vsrinivas@
Also M_POWEROF2 flag is used to do the nearest power of 2 size rounding
up, instead of a seperate function (was kmalloc_powerof2)

Suggested-by: sjg@, vsrinivas@
23 months agolibgcc.a47: build with -fpic
John Marino [Sun, 7 Oct 2012 17:34:31 +0000 (19:34 +0200)]
libgcc.a47: build with -fpic

The vendor makefile builds libgcc.a with the PIC flag.  The x86_64
platform needs it for packages that need need to link to libgcc.a

23 months agobuild - Unbreak world
Matthew Dillon [Sun, 7 Oct 2012 23:39:37 +0000 (16:39 -0700)]
build - Unbreak world

* Fix issue w/ last commit

Submitted-by: marino
23 months agoUse GCC's builtin offset_of as the first option
John Marino [Sun, 7 Oct 2012 21:27:36 +0000 (23:27 +0200)]
Use GCC's builtin offset_of as the first option

Other than C++ code, the GCC offsetof builtin was never getting used.
The version that did get expanded could not be used for array
declarations on GCC 4.5 and later because it wasn't considered a
constant expression by those later GCC compilers.

The first symptom was seen when building world with GCC 4.6, but the
the offsetof expansion was finally identified as the cause of the
problem while discussion PostgreSQL 9.1 build failures on DragonFly.
Since DragonFly was the only platform exibiting the behavior, the
problem was narrowed down to the offsetof macro or the compiler itself.
Fixing the macro allowed the unpatched pgsql to compile.

Thanks-to: Tom Lane

23 months agoifpoll: Utilize kmalloc_cachealign()
Sepherosa Ziehau [Sun, 7 Oct 2012 06:14:22 +0000 (14:14 +0800)]
ifpoll: Utilize kmalloc_cachealign()

23 months agobusdma: Panic if the kmalloc_powerof2() fails to meet the dma requirement
Sepherosa Ziehau [Sun, 7 Oct 2012 04:53:42 +0000 (12:53 +0800)]
busdma: Panic if the kmalloc_powerof2() fails to meet the dma requirement

23 months agobusdma: Utilize kmalloc_powerof2()
Sepherosa Ziehau [Sun, 7 Oct 2012 04:40:57 +0000 (12:40 +0800)]
busdma: Utilize kmalloc_powerof2()

23 months agoigb: Use kmalloc_cachealign to allocate rx ring, tx ring and msix data
Sepherosa Ziehau [Sun, 7 Oct 2012 04:22:35 +0000 (12:22 +0800)]
igb: Use kmalloc_cachealign to allocate rx ring, tx ring and msix data

23 months agokmalloc: Add kmalloc_powerof2() and kmalloc_cachealign()
Sepherosa Ziehau [Sun, 7 Oct 2012 04:14:52 +0000 (12:14 +0800)]
kmalloc: Add kmalloc_powerof2() and kmalloc_cachealign()

    Ensures that the returned address will be power of 2 aligned.

    Ensures that the returned address will be cacheline size aligned.
    It is useful to allocate structs declared with __cachealign

These two function probably should _not_ be used on the hot code path
due to the computational cost to find the nearest power of 2 size.

23 months agoigb: Cache align msix, rx and tx data
Sepherosa Ziehau [Sat, 6 Oct 2012 15:03:22 +0000 (23:03 +0800)]
igb: Cache align msix, rx and tx data

23 months agoigb: Remove unused code
Sepherosa Ziehau [Sat, 6 Oct 2012 15:02:52 +0000 (23:02 +0800)]
igb: Remove unused code

23 months agoigb: Change polling(4) support to ifpoll support
Sepherosa Ziehau [Sat, 6 Oct 2012 10:59:50 +0000 (18:59 +0800)]
igb: Change polling(4) support to ifpoll support

For 82576, this means that all of the 16 RX rings could be enabled
and fully utilized; even in MSI-X mode, only 8 RX rings could be

23 months agokernel/ixgbe: Remove double definition.
Sascha Wildner [Sat, 6 Oct 2012 13:03:29 +0000 (15:03 +0200)]
kernel/ixgbe: Remove double definition.

23 months agoixgbe: Define missing DEBUGOUT# macros.
François Tigeot [Sat, 6 Oct 2012 09:27:28 +0000 (11:27 +0200)]
ixgbe: Define missing DEBUGOUT# macros.

DEBUGOUT[45] are not yet used but are being defined pre-emptively
to avoid future build breakage

Obtained-from: FreeBSD

23 months agokernel/hammer: Staticize hammer_skip_redo.
Sascha Wildner [Sat, 6 Oct 2012 10:14:45 +0000 (12:14 +0200)]
kernel/hammer: Staticize hammer_skip_redo.

It's just used in hammer_recover.c.

23 months agore: Don't enable MSI by default
Sepherosa Ziehau [Sat, 6 Oct 2012 10:00:45 +0000 (18:00 +0800)]
re: Don't enable MSI by default

23 months agoigb: Initialize if_name so functions used on if_init could use if_printf
Sepherosa Ziehau [Sat, 6 Oct 2012 09:45:08 +0000 (17:45 +0800)]
igb: Initialize if_name so functions used on if_init could use if_printf

23 months agoRemove some more GCC 4.1 specific files via 'make upgrade'.
Sascha Wildner [Fri, 5 Oct 2012 13:56:03 +0000 (15:56 +0200)]
Remove some more GCC 4.1 specific files via 'make upgrade'.

23 months agore(4): Use MSI if device supports it.
Tim Bisson [Mon, 19 Mar 2012 02:39:37 +0000 (19:39 -0700)]
re(4): Use MSI if device supports it.

RT8168E supports MSI.

23 months agokernel - Acquire vm_token in pmap_remove_all() (3)
Matthew Dillon [Fri, 5 Oct 2012 05:15:04 +0000 (22:15 -0700)]
kernel - Acquire vm_token in pmap_remove_all() (3)

* Correct bug in last commit, resident_count adjustment has to be
  moved past the revalidation.

23 months agokernel - Acquire vm_token in pmap_remove_all() (2)
Matthew Dillon [Fri, 5 Oct 2012 05:09:30 +0000 (22:09 -0700)]
kernel - Acquire vm_token in pmap_remove_all() (2)

* Remove this, the token is already acquired in all pmap_remove_all()

* Instead, try catching the problem in pmap_remove_all(m) by re-validating
  the pv_entry (essentially detecting a removal race).

23 months agokernel - (fix syntax error last commit)
Matthew Dillon [Fri, 5 Oct 2012 04:16:02 +0000 (21:16 -0700)]
kernel - (fix syntax error last commit)

* i386 pmap.c

23 months agokernel - Acquire vm_token in pmap_remove_all()
Matthew Dillon [Fri, 5 Oct 2012 04:14:32 +0000 (21:14 -0700)]
kernel - Acquire vm_token in pmap_remove_all()

* Kitchen sink try to fix the wire_count panic, acquire vm_token
  in pmap_remove_all().

23 months agokernel - Fix edge case with machdep.pmap_mmu_optimize on x86-64
Matthew Dillon [Fri, 5 Oct 2012 03:51:02 +0000 (20:51 -0700)]
kernel - Fix edge case with machdep.pmap_mmu_optimize on x86-64

* Fix two edge cases when enabling or disabling machdep.pmap_mmu_optimize,
  causing a shared page table page to be reverted to a local page table page
  and vise-versa.

* Remove debugging kprintf()s

Reported-by: thesjg
23 months agogcc47: Remove a gcc-aux leftover.
Sascha Wildner [Thu, 4 Oct 2012 16:58:37 +0000 (18:58 +0200)]
gcc47: Remove a gcc-aux leftover.

23 months agobsd.prog.mk: Avoid redefining $PROG target
John Marino [Thu, 4 Oct 2012 16:17:47 +0000 (18:17 +0200)]
bsd.prog.mk: Avoid redefining $PROG target

In rare cases, the PROG target is intentionally redefined before
including bsd.prog.mk, but when that happens a target redefinition
warning is emitting.  This adds a check for a pre-existing $PROG
target before attempting to define it.

It stops warnings from being emitted when loader and loader_tftp
are built.

23 months agogcc47: Restore cross-build capability
John Marino [Thu, 4 Oct 2012 16:03:52 +0000 (18:03 +0200)]
gcc47: Restore cross-build capability

The internal specs of gcc47 featured an hardcoded standard include
directory which prevented cross-target builds.  The same mistake also
caused the "crosstools" compiler in a native build to look at the host
system includes instead of the world_{TARGET}/usr/includes directory.
As a result, the cross-build would break as soon as GCC47 was used to
build its own libraries.

A stage-specific prefix was added to the internal specs directory
definition that restored cross-target building capability.

23 months agoixgbe: Do not use mbuf jumbo clusters
François Tigeot [Wed, 3 Oct 2012 10:04:56 +0000 (12:04 +0200)]
ixgbe: Do not use mbuf jumbo clusters

* They caused crashes when using jumbo frames; the root of the issue should
  probably be investigated further but the driver works perfectly with this

* Single-stream TCP performance has been measured up to 9.89 Gb/s with

23 months agoMakefile.inc1: Unbreak buildworld
John Marino [Wed, 3 Oct 2012 00:42:34 +0000 (02:42 +0200)]
Makefile.inc1: Unbreak buildworld

There was a bootstrap problem with gcc47.
For systems without gcc47 (which is almost all of them), the buildworld
failed on the first gcc47 libraries which require gcc47 to build.  The
gnu/lib/gcc47/csu target was duplicated and the makefile was attempting
to build it before gcc47 was installed.

23 months agokernel: Fix a few more mbuf MB_* vs. kmalloc M_* flag misuses.
Nuno Antunes [Tue, 2 Oct 2012 06:39:26 +0000 (07:39 +0100)]
kernel: Fix a few more mbuf MB_* vs. kmalloc M_* flag misuses.

23 months agolibstdc++47: fix wrong vec.o inclusion
John Marino [Tue, 2 Oct 2012 20:07:43 +0000 (22:07 +0200)]
libstdc++47: fix wrong vec.o inclusion

The vec.cc file never got compiled for libstdc++.  The gcc/vec.c object
file was getting included into the library instead.  This change
effectively renames vec.cc to avoid name clashes.

This also allows gcc47 to completely build world.

23 months agomtree: Use spaces for indentation.
Sascha Wildner [Tue, 2 Oct 2012 11:43:30 +0000 (13:43 +0200)]
mtree: Use spaces for indentation.

23 months agoixgbe: Use MB_DONTWAIT with mbuf operations
François Tigeot [Tue, 2 Oct 2012 05:59:33 +0000 (07:59 +0200)]
ixgbe: Use MB_DONTWAIT with mbuf operations

* M_NOWAIT is only valid with kmalloc(9)

23 months agobsd.sys.mk: Remove -Werror flag from gcc47 builds
John Marino [Mon, 1 Oct 2012 17:39:37 +0000 (19:39 +0200)]
bsd.sys.mk: Remove -Werror flag from gcc47 builds

While most of the breakage caused by new GCC47 warnings have been fixed,
swildner would prefer to complete the task and review the previously
and hastily submitted warning fixes at his leisure.

To accommodate this, the -Werror flag is removed when gcc47 is used to
build so the new warnings will pass by harmlessly.  swildner will
restore the -Werror flag when his task is complete.

23 months agogcc47 warnings: A few more fixes
John Marino [Mon, 1 Oct 2012 17:32:45 +0000 (19:32 +0200)]
gcc47 warnings: A few more fixes

usr.bin/make pass -fno-address, NO_WERROR=true
usr.bin/monitor modified source file
usr.bin/netstat modified source file (2)
usr.bin/sdpquery WARNS=2, pass -fno-unused-but-set-variable

Make has several evaluations that gcc47 believes will always
(without exception) evaluate to true or false.  Likely gcc47 is not
detecting some cases correctly, so -Wno-address was passed to it.
However, -Werror overrides it, so NO_WERROR had to be set on this

The remaining GCC warnings will be left for swildner to handle.
The -Werror flag will be suppress for GCC47 until further notice.

23 months agolibstdc++47: Fix c++config.h race
John Marino [Mon, 1 Oct 2012 12:52:03 +0000 (14:52 +0200)]
libstdc++47: Fix c++config.h race

With high job numbers, sometimes c++config.h would get included before
it finished getting generated.  Solve this race by using "depend all"
which should ensure c++config.h gets generated before anything else
in libstdc++ starts to build.

23 months agoSwitch on gcc47 and switch off gcc41
John Marino [Sat, 29 Sep 2012 20:47:42 +0000 (22:47 +0200)]
Switch on gcc47 and switch off gcc41

Replace GCC 4.1 with GCC 4.7.  The primary compiler remains GCC 4.4
and the source and makefiles for GCC 4.1 remain intact so it can be
brought back if necessary.  All references to GCC 4.1 in documentation
where updated to reflect version 4.7.

A full world build is probably required after this point.

23 months agogcc47: Add DragonFly READMEs and world makefiles
John Marino [Sat, 29 Sep 2012 20:14:07 +0000 (22:14 +0200)]
gcc47: Add DragonFly READMEs and world makefiles

23 months agoGCC47: Add local modifications
John Marino [Sat, 29 Sep 2012 19:58:02 +0000 (21:58 +0200)]
GCC47: Add local modifications

The majority of these changes are new files required to build GCC on
DragonFly.  They are identical to the lang/gcc-aux modifications.  Of

1) The modification to c-format.c is a carry-over from GCC44. It
   maintains support for the DragonFly-specific %b and %D conversions.
2) The modification to tree-inline.c is a carry-over from GCC44. It
   maintains the suppression of "unlikely call" inline warnings.
3) The gcc driver was modified to strip out all the bad paths in its
   search path.  gcc -print-search-dirs is now short and accurate.

23 months agoMerge branch 'vendor/GCC47'
John Marino [Mon, 1 Oct 2012 10:43:18 +0000 (12:43 +0200)]
Merge branch 'vendor/GCC47'

23 months agoImport gcc-4.7.2 to new vendor branch
John Marino [Mon, 1 Oct 2012 10:42:17 +0000 (12:42 +0200)]
Import gcc-4.7.2 to new vendor branch

23 months agogcc47 build fixes: Unused-but-set-variable + more warnings
John Marino [Mon, 1 Oct 2012 01:09:06 +0000 (03:09 +0200)]
gcc47 build fixes: Unused-but-set-variable + more warnings

The following programs fail to build with gcc47 due to the new
unused-but-set-variable warning.  They've been fixed in various ways.
The ones set with WARNS=3 suppress cast-qual warning
There is a single enum-compare error too.

This effort is not complete.

bin/csh pass -Wno-unused-but-set-variable
bin/mined source file modified
bin/sh set WARNS=3
crypto/openssh source file modified (2)
gnu/lib/libdialog source file modified
gnu/usr.bin/gdb/kgdb source file modified
gnu/usr.bin/rcs  source file modified
lib/libalias source file modified
lib/libdevstat source file modified
lib/libdm set WARNS=3
lib/libevtr source file modified
lib/libldns pass -Wno-unused-but-set-variable
lib/libncp source file modified
lib/libpam set WARNS=3
lib/libsmdb pass -Wno-unused-but-set-variable
lib/libstand source file modified (4)
lib/libtcplay source file modified
lib/libthread_xu source file modified (2)
libexec/rshd source file modified
libexec/telnetd source file modified
libexec/ypxfr pass -Wno-enum-compare
sbin/atm/fore_dnld source file modified
sbin/atm/ilmid source file modified
sbin/atm/camcontrol source file modifief (2)
sbin/ccdconfig source file modified
sbin/cryptdisks source file modified
sbin/ffsinfo source file modified
sbin/fsirand source file modified
sbin/growfs source file modified
sbin/hammer source file modified
sbin/ldconfig source file modified (real bug here?)
sbin/mount source file modified
sbin/mount_ufs source file modified
sbin/mount_extfs source file modified
sbin/mountd source file modified
sbin/natd source file modified
sbin/newfs source file modified
sbin/ping6 set WARNS=3, source modified
sbin/rcorder source file modified
sbin/reboot source file modified (real bug here?)
sbin/udevd source file modified
sbin/usched source file modified
sbin/vinum source file modified
sys/boot/common  source file modified
sys/boot/pc32/loader source file modified
usr.bin/brandelf source file modified
usr.bin/bzip2 pass -Wno-unused-but-set-variable
usr.bin/dfregress source file modified
usr.bin/ee source file modified
usr.bin/less pass -Wno-unused-but-set-variable

23 months agojme: Factor out jme_rx_restart
Sepherosa Ziehau [Sun, 30 Sep 2012 13:45:52 +0000 (21:45 +0800)]
jme: Factor out jme_rx_restart