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* MFC 264019, 264041, 264048, 264049, 264050, 264051ian2014-05-171-1/+18
| | | | | | | | | | | | | | Add support for event timers whose clock frequency can change while running. Apparently all ARM configs build kern_et.c, but only a few of them also build kern_clocksource.c, un-break the build by not referencing functions in kern_clocksource if NO_EVENTTIMERS is defined. Add variable-frequency support to the arm mpcore eventtimer driver. mpcore_timer: Disable the timer and clear any pending bit, then setup the new counter register values, then restart the timer. Also re-nest the parens properly for casting the result of converting time and frequency to a count.
* MFC r265285,265320:pluknet2014-05-122-0/+108
| | | | Documented the pget(9) system kernel interface.
* MFC r261908 by ian: Fix a typo, C_ALSOLUTE -> C_ABSOLUTE.emaste2014-05-061-1/+1
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* Merge r263203: garbage collect long time obsoleted (or never used) stuffglebius2014-04-091-2/+0
| | | | from routing API.
* MFC r263271asomers2014-03-311-1/+1
| | | | | | share/man/man9/counter.9 Fix logic error in the description of counter_u64_alloc: the command may fail only if M_NOWAIT is specified, not M_WAITOK.
* MFC r263289: Update NetBSD Foundation copyrights to 2-clause BSDemaste2014-03-242-14/+0
| | | | | | | | | | | The NetBSD Foundation states "Third parties are encouraged to change the license on any files which have a 4-clause license contributed to the NetBSD Foundation to a 2-clause license." This change removes clauses 3 and 4 from copyright / license blocks that list The NetBSD Foundation as the only copyright holder. Sponsored by: The FreeBSD Foundation
* Merge r262763, r262767, r262771, r262806 from head:glebius2014-03-211-14/+17
| | | | | | | | | | - Remove rt_metrics_lite and simply put its members into rtentry. - Use counter(9) for rt_pksent (former rt_rmx.rmx_pksent). This removes another cache trashing ++ from packet forwarding path. - Create zini/fini methods for the rtentry UMA zone. Via initialize mutex and counter in them. - Fix reporting of rmx_pksent to routing socket. - Fix netstat(1) to report "Use" both in kvm(3) and sysctl(3) mode.
* Merge 261595: simplify the SYSCTL_COUNTER_U64() macro.glebius2014-03-041-3/+3
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* Merge 261593 from head:glebius2014-03-041-1/+38
| | | | | Provide macros that allow easily export uma(9) zone limits and current usage via sysctl(9).
* MFC r261800:wblock2014-02-181-8/+5
| | | | Remove obsolete vnode(9) man page references.
* MFC r258713,262062: add taskqueue_drain_allavg2014-02-172-2/+78
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* MFC r260444:kevlo2014-02-171-1/+1
| | | | | | | | | | | | | Rename definition of IEEE80211_FC1_WEP to IEEE80211_FC1_PROTECTED. The origin of WEP comes from IEEE Std 802.11-1997 where it defines whether the frame body of MAC frame has been encrypted using WEP algorithm or not. IEEE Std. 802.11-2007 changes WEP to Protected Frame, indicates whether the frame is protected by a cryptographic encapsulation algorithm. Reviewed by: adrian, rpaulo
* MFC r260581: Add sglist_append_bio(9) to append a struct bio's data tobryanv2014-01-182-1/+13
| | | | a sglist
* MFC r258622: dtrace sdt: remove the ugly sname parameter of SDT_PROBE_DEFINEavg2014-01-171-29/+28
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* Add manpages for VOP_ADVISE() and VOP_ALLOCATE().jhb2013-10-074-0/+176
| | | | Approved by: re (gjb)
* Remove a stale comment.jhb2013-10-071-9/+0
| | | | Approved by: re (gjb)
* add missing sections, de-Xr non-existent page, properly spacejmg2013-10-072-3/+3
| | | | | | | punctuation.. Approved by: re (joel) MFC after: 3 days
* Document LK_TRYUPGRADE.kib2013-10-061-3/+11
| | | | | | Sponsored by: The FreeBSD Foundation MFC after: 3 days Approved by: re (marius)
* mdoc: fix list width.joel2013-09-131-1/+1
| | | | Approved by: re (blanket)
* - Document the UQUAD sysctl variants.jhb2013-09-123-12/+32
| | | | | | | | | | - Clarify that exactly one of the "access" flags is required and list the optional flags in a separate list. Prefer bundling CTLFLAG_TUN into the access flag by not documenting it as an optional flag to set. Approved by: re (glebius) MFC after: 1 week
* Document several recent changes to vm_map_find(9):jhb2013-09-121-22/+56
| | | | | | | | | | | - Document the max_addr parameter that restricts mappings to a subset of the map's address space. - Document VMFS_ALIGNED_SPACE and update for the rename of VMFS_SUPER_SPACE. In addition, use a table that describes the different find space strategies in more detail. Reviewed by: alc Approved by: re (kib)
* add links for the various vmem functions...jmg2013-09-041-0/+7
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* Hook vm_page_busy.9 to the buildantoine2013-08-261-0/+1
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* Remove EOL whitespace.joel2013-08-251-1/+1
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* mdoc fixes.joel2013-08-251-1/+2
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* Fix BUGS section after botched modify in r254772.andre2013-08-241-2/+1
| | | | Reported by: bjk
* Rename the kld_unload event handler to kld_unload_try, and add a newmarkj2013-08-241-0/+2
| | | | | | | | | | | | | | kld_unload event handler which gets invoked after a linker file has been successfully unloaded. The kld_unload and kld_load event handlers are now invoked with the shared linker lock held, while kld_unload_try is invoked with the lock exclusively held. Convert hwpmc(4) to use these event handlers instead of having kern_kldload() and kern_kldunload() invoke hwpmc(4) hooks whenever files are loaded or unloaded. This has no functional effect, but simplifes the linker code somewhat. Reviewed by: jhb
* Adjust for the pfil_func_t typedef added in r254769.andre2013-08-241-4/+4
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* pfil_hook_get() has been internalized in r254771 and is no longerandre2013-08-241-9/+2
| | | | part of the API. It wasn't safe for external use in any case.
* - Bump date.davide2013-08-231-2/+2
| | | | | | - Small mdoc fix. Submitted by: pluknet
* Introduce callout_init_rm() so that callouts can be used in conjunctiondavide2013-08-231-6/+20
| | | | | | | | | with rmlocks. This works only with non-sleepable rm because handlers run in SWI context. While here, document the new KPI in the timeout(9) manpage. Requested by: adrian, scottl Reviewed by: mav, remko(manpage)
* Update the manual page for vm_page_grab(9).kib2013-08-221-13/+27
| | | | | Reviewed and edited by: alc Sponsored by: The FreeBSD Foundation
* Minor mdoc nit.joel2013-08-221-1/+0
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* Implement atomic_swap() and atomic_testandset().jkim2013-08-211-17/+66
| | | | Reviewed by: arch, bde, jilles, kib
* Update the SDT(9) man page with the macros added in 254468. Also change themarkj2013-08-171-10/+79
| | | | | | | | existing examples to not pass an mbuf as a probe argument. There's no obvious reason to have it there, and it doesn't really jibe with the example added in this revision. MFC after: 1 week
* Correct sentence syntax too.mjacob2013-08-171-3/+3
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* Correct spelling.obrien2013-08-171-1/+1
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* Fix a typo.markj2013-08-151-1/+1
| | | | MFC after: 3 days
* Use kld_{load,unload} instead of mod_{load,unload} for the linker file loadmarkj2013-08-141-4/+4
| | | | | | | and unload event handlers added in r254266. Reported by: jhb X-MFC with: r254266
* Add event handlers for module load and unload events. The load handlers aremarkj2013-08-131-1/+7
| | | | | | | | | called after the module has been loaded, and the unload handlers are called before the module is unloaded. Moreover, the module unload handlers may return an error to prevent the unload from proceeding. Reviewed by: avg MFC after: 2 weeks
* Minor mdoc nits.joel2013-08-101-2/+1
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* mdoc: document title should be all caps.joel2013-08-101-1/+1
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* Give mutex(9) the ability to recurse on a per-instance basis.attilio2013-08-091-2/+10
| | | | | | | | | | Now the MTX_RECURSE flag can be passed to the mtx_*_flag() calls. This helps in cases we want to narrow down to specific calls the possibility to recurse for some locks. Sponsored by: EMC / Isilon storage division Reviewed by: jeff, alc Tested by: pho
* The soft and hard busy mechanism rely on the vm object lock to work.attilio2013-08-097-222/+238
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unify the 2 concept into a real, minimal, sxlock where the shared acquisition represent the soft busy and the exclusive acquisition represent the hard busy. The old VPO_WANTED mechanism becames the hard-path for this new lock and it becomes per-page rather than per-object. The vm_object lock becames an interlock for this functionality: it can be held in both read or write mode. However, if the vm_object lock is held in read mode while acquiring or releasing the busy state, the thread owner cannot make any assumption on the busy state unless it is also busying it. Also: - Add a new flag to directly shared busy pages while vm_page_alloc and vm_page_grab are being executed. This will be very helpful once these functions happen under a read object lock. - Move the swapping sleep into its own per-object flag The KPI is heavilly changed this is why the version is bumped. It is very likely that some VM ports users will need to change their own code. Sponsored by: EMC / Isilon storage division Discussed with: alc Reviewed by: jeff, kib Tested by: gavin, bapt (older version) Tested by: pho, scottl
* Document the sbinuptime() and getsbinuptime() functions introduced inbrooks2013-07-252-6/+23
| | | | | | r247452. Sponsored by: DARPA, AFRL
* Add bus_dmamap_load_bio and bus_dmamap_load_ccb to bus_dma(9).jimharris2013-07-171-3/+63
| | | | | | Sponsored by: Intel Reviewed by: kib MFC after: 3 days
* - mdoc: remove superfluous paragraph macros.pluknet2013-07-121-8/+1
| | | | - fix typo in xref manual section number.
* Remove non existent in FreeBSD reference.glebius2013-07-121-2/+1
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* Add manual page for vmem(9). Obtained from NetBSD, modified to matchglebius2013-07-122-0/+324
| | | | | | our implementation. Obtained from: NetBSD
* mdoc: remove superfluous paragraph macros.joel2013-07-081-3/+0
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