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2060 Commits

Author SHA1 Message Date
Pawel Dziepak
f4b088a992 kernel: Protect UserTimers with sUserTimerLock 2013-11-05 05:36:05 +01:00
Pawel Dziepak
4824f7630b kernel: Add sequential lock implementation 2013-11-05 04:16:13 +01:00
Pawel Dziepak
3c819aaa72 kernel: DPC: remove schedulerLocked argument 2013-11-04 23:51:18 +01:00
Pawel Dziepak
11cacd0c13 kernel: Remove thread_block_with_timeout_locked() 2013-11-04 23:45:14 +01:00
Pawel Dziepak
d8fcc8a825 kernel: Remove B_TIMER_ACQUIRE_SCHEDULER_LOCK flag 
The flag main purpose is to avoid race conditions between event handler
and cancel_timer(). However, cancel_timer() is safe even without
using gSchedulerLock.

If the event is scheduled to happen on other CPU than the CPU that
invokes cancel_timer() then cancel_timer() either disables the event
before its handler starts executing or waits until the event handler
is done.

If the event is scheduled on the same CPU that calls cancel_timer()
then, since cancel_timer() disables interrupts, the event is either
executed before cancel_timer() or when the timer interrupt handler
starts running the event is already disabled.
 2013-10-31 01:49:43 +01:00
Pawel Dziepak
c8dd9f7780 kernel: Add thread_unblock() and use it where possible 2013-10-30 03:58:36 +01:00
Pawel Dziepak
9c0ff0eed1 kernel: Add cpufreq module for Intel P-states 
Since Sandy Bridge managing P-states on Intel processors is much easier
and more powerful than when using previous versions of EIST.
 2013-10-30 00:55:03 +01:00
Pawel Dziepak
22d8248267 kernel: Add support and interface for cpufreq modules 2013-10-30 00:48:07 +01:00
Pawel Dziepak
978fc08065 scheduler: Remove support for running different schedulers 
Simple scheduler behaves exactly the same as affine scheduler with a
single core. Obviously, affine scheduler is more complicated thus
introduces greater overhead but quite a lot of multicore logic has been
disabled on single core systems in the previous commit.
 2013-10-24 02:04:03 +02:00
Pawel Dziepak
ed8627e535 kernel/util: Fix MinMaxHeap::_GrowHeap() 2013-10-24 00:59:58 +02:00
Pawel Dziepak
31a75d402f kernel: Protect lock internals with per-lock spinlock 2013-10-24 00:01:18 +02:00
Pawel Dziepak
4c4994435d kernel/util: Fixes in [MinMax]Heap implementation 2013-10-22 23:56:31 +02:00
Pawel Dziepak
5cf9b69b49 kernel/util: Minor improvements in Heap and MinMaxHeap 
* [MinMax]Heap::ModifyKey(): Do not attempt to move node if the key
   actually hasn't changed.
 * Allow allocating initial array at construction.
 2013-10-21 21:24:05 +02:00
Pawel Dziepak
7ea42e7add kernel: Remove invoke_scheduler_if_idle 2013-10-21 02:38:57 +02:00
Pawel Dziepak
ea79da9500 kernel: Remove support for thread_queue 2013-10-21 02:30:20 +02:00
Pawel Dziepak
cd8d4e39fd kernel: Introduce scheduler modes of operation 2013-10-21 02:17:00 +02:00
Pawel Dziepak
343c489689 kernel: Create CPU topology tree 2013-10-21 01:33:35 +02:00
Pawel Dziepak
5cbf227236 kernel/util: Allocate only one array in MinMaxHeap 2013-10-20 23:33:55 +02:00
Pawel Dziepak
18c0d163ed kernel/util: Add MinMaxHeap implementation 2013-10-17 19:22:29 +02:00
Pawel Dziepak
278c9784a1 scheduler_affine: Use global core heap and per-core CPU heaps 
There is a global heap of cores, where the key is the highest priority
of threads running on that core. Moreover, for each core there is
a heap of logical processors on this core where the key is the priority
of currently running thread.

The per-core heap is used for load balancing among logical processors
on that core. The global heap is used in initial decision where to put
the thread (note that the algorithm that makes this decision is not
complete yet).
 2013-10-17 02:11:28 +02:00
Pawel Dziepak
cf863a5040 kernel: Decide whether to use simple or affine scheduler 
Simple scheduler is used when we do not have to worry about cache affinity
(i.e. single core with or without SMT, multicore with all cache levels
shared).

When we replace gSchedulerLock with more fine grained locking affine
scheduler should also be chosen when logical CPU count is high (regardless
of cache).
 2013-10-16 18:39:25 +02:00
Pawel Dziepak
f20ad54be2 kernel: Add support for SMP systems to simple scheduler 
In SMP systems simple scheduler will be used only when all logical
processors share all levels of cache and the number of CPUs is low.
In such systems we do not have to care about cache affinity and
the contention on the lock protecting shared run queue is low. Single
run queue makes load balancing very simple.
 2013-10-15 00:29:04 +02:00
Pawel Dziepak
29e65827fd kernel: Remove possibility to yield to all threads 
Kernel support for yielding to all (including lower priority) threads
has been removed. POSIX sched_yield() remains unchanged.

If a thread really needs to yield to everyone it can reduce its priority
to the lowest possible and then yield (it will then need to manually
return to its prvious priority upon continuing).
 2013-10-09 20:42:34 +02:00
Pawel Dziepak
fee8009184 kernel: Add another penalty for CPU bound threads 
Each thread has its minimal priority that depends on the static priority.
However, it is still able to starve threads with even lower priority
(e.g. CPU bound threads with lower static priority). To prevent this
another penalty is introduced. When the minimal priority is reached
penalty (count mod minimal_priority) is added, where count is the number
of time slices since the thread reached its minimal priority. This prevents
starvation of lower priorirt threads (since all CPU bound threads may have
their priority temporaily reduced to 1) but preserves relation between
static priorities - when there are two CPU bound threads the one with
higher static priority would get more CPU time.
 2013-10-09 20:13:47 +02:00
Pawel Dziepak
4ade765cab kernel/util: Add heap implementation 2013-10-09 04:26:09 +02:00
Pawel Dziepak
a2bdd2842f kernel: Add scheduler_op for dumping thread data 2013-10-09 02:08:49 +02:00
Pawel Dziepak
0896565a6e kernel: Support sched_yield() properly 
sched_yield() should not yield to the threads with lower priority.
 2013-10-09 01:18:55 +02:00
Pawel Dziepak
9363e99b19 kernel: Remove Thread::next_priority 2013-10-08 20:21:35 +02:00
Pawel Dziepak
4cba4ff1df kernel/util: Use private/kernel/debug.h 2013-10-08 01:36:30 +02:00
Pawel Dziepak
b8c1df9b00 kernel: Add O(1) lookup and insertion priority queue 2013-10-05 20:16:06 +02:00
Pawel Dziepak
7039b950fb x86[_64]: Fix style issues 2013-10-05 18:03:00 +02:00
Pawel Dziepak
149c82a8ec kernel/util: Add bitmap implementation 2013-10-03 04:27:49 +02:00
Pawel Dziepak
36cc64a9b3 x86[_64]: Add CPU cache topology detection for AMD and Intel CPUs 2013-10-02 23:48:03 +02:00
Pawel Dziepak
1f50d09018 kernel/util: Add bit hack utilities 2013-10-02 21:24:46 +02:00
Pawel Dziepak
8ec897323e x86[_64]: Add CPU topology detection for Intel processors 2013-10-02 01:19:17 +02:00
Pawel Dziepak
4110b730db x86[_64]: Add support for CPUID sub-leaves 
Some CPUID leaves may contain one or more sub-leaves accessed by setting
ECX to an appropriate value.
 2013-10-01 20:31:18 +02:00
Ingo Weinhold
81291304ad Merge remote-tracking branch 'haiku/master' into package-management 
Conflicts:
	build/jam/BuildSetup
	build/jam/HaikuImage
	build/jam/board/sam460ex/BoardSetup
	build/jam/board/verdex/BoardSetup
	data/catalogs/apps/icon-o-matic/fr.catkeys
	src/add-ons/kernel/drivers/audio/hda/hda_codec.cpp
	src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk.cpp
	src/apps/debugger/files/FileManager.cpp
	src/apps/debugger/files/FileManager.h
	src/apps/debugger/user_interface/gui/inspector_window/MemoryView.cpp
	src/apps/haiku-depot/MainWindow.cpp
	src/apps/haiku-depot/MainWindow.h
	src/apps/haiku-depot/Model.cpp
	src/apps/haiku-depot/PackageInfo.h
	src/apps/haiku-depot/PackageInfoListener.h
	src/apps/haiku-depot/PackageInfoView.cpp
	src/apps/haiku-depot/PackageInfoView.h
	src/apps/haiku-depot/PackageListView.cpp
	src/apps/haiku-depot/PackageListView.h
	src/system/kernel/arch/arm/arch_timer.cpp
	src/system/libroot/os/arch/arm/atomic.S
	src/tools/translation/bitsinfo/Jamfile
	src/tools/translation/bmpinfo/Jamfile
	src/tools/translation/tgainfo/Jamfile
 2013-09-27 01:55:45 +02:00
Ithamar R. Adema
cc65466f0d ARM: kernel: Make KDL more useful on ARM 
This adds the -mapcs-frame compiler flag for ARM to have "stable"
stack frames, adds support to the kernel for dumping stack crawls,
and initial support for iframes. There' much more functionality
to unlock in KDL, but this makes debugging already a lot more
comfortable.....
 2013-09-17 23:04:59 +02:00
François Revol
09d213f3b3 PPC: OF: Make sure kernel args match the U-Boot one 
Since both platforms can boot the same kernel we must accept either
arg, so we make sure they are identical for now.

TODO: use a union or KMessage maybe?
 2013-09-17 15:49:49 +02:00
François Revol
c14bca2958 Merge branch 'master' into sam460ex 2013-09-14 01:16:51 +02:00
Ingo Weinhold
cf70d345b2 Merge remote-tracking branch 'haiku/master' into package-management 
This reverts 8f7f28a7c3db28711920ad5d15df401fae90bcf1 (OpenGL: Upgrade
to
Mesa 9.2).

Conflicts:
	build/jam/BuildFeatures
	build/jam/HaikuImage
	build/jam/OptionalPackages
	build/scripts/build_cross_tools_gcc4
	src/add-ons/opengl/swpipe/Jamfile
	src/apps/diskusage/Jamfile
	src/kits/tracker/ContainerWindow.cpp
	src/kits/tracker/DeskWindow.cpp
	src/kits/tracker/Jamfile
 2013-09-13 01:02:28 +02:00
Jérôme Duval
0edcbd2754 apic: serialize writes to x2apic MSR... 
as required by the specifications (it isn't needed with memory mapped i/o).
 2013-08-26 21:48:33 +02:00
Jérôme Duval
787773400c Added x2APIC support. 
* Mostly useful for virtualization at the moment. Works in QEmu.
* Can be enabled by safemode settings/menu.
* Please note that x2APIC normally requires use of VT-d interrupt remapping feature
on real hardware, which we don't support yet.
 2013-08-26 21:08:21 +02:00
Jérôme Duval
46f7a54d8c MSI: Use the effective APIC id of the boot CPU for the address destination. 
* This should only affect systems where the CPU ids aren't sequential (mostly
non Intel).
* Fixes #9807.
 2013-07-29 17:36:03 +02:00
Ingo Weinhold
1eda8517f1 BOpenHashTable: Add IsEmpty() 2013-06-27 21:57:43 +02:00
François Revol
b8ded2f897 Merge branch 'master' into sam460ex 2013-05-27 17:45:55 +02:00
Ingo Weinhold
1848fdc329 util/khash: Add hash_hash_string_part() 2013-05-11 23:17:55 +02:00
Ingo Weinhold
00090d290d boot loader: print max heap usage info before entering kernel 2013-05-09 03:14:35 +02:00
Ingo Weinhold
25a7b01d15 Merge branch 'master' into package-management 
Additional changes:
* Add src/system/kernel/lib/zlib, which builds a kernel version of zlib,
  needed by packagefs.
* BuildFeatures: Add a build feature "gcc2" to allow for easier checks.
* Referenceable.cpp: Include <OS.h> instead of <debugger.h>. The latter
  is not needed and prevents building for the build platform.
* zlib/zutil.h: Fix gcc 2 build. We really should use the external
  package instead.

Conflicts:
	.gitignore
	build/jam/BuildSetup
	build/jam/FileRules
	build/jam/FloppyBootImage
	build/jam/HaikuImage
	build/jam/ImageRules
	build/jam/KernelRules
	build/jam/NetBootArchive
	build/jam/OptionalBuildFeatures
	build/jam/OptionalLibPackages
	build/jam/OptionalPackageDependencies
	build/jam/OptionalPackages
	build/scripts/build_haiku_image
	configure
	data/bin/installoptionalpackage
	data/system/boot/Bootscript
	headers/os/app/Message.h
	headers/os/package/PackageInfo.h
	headers/os/package/PackageInfoAttributes.h
	headers/os/package/PackageInfoSet.h
	headers/os/package/PackageRoster.h
	headers/os/package/PackageVersion.h
	headers/os/package/hpkg/PackageInfoAttributeValue.h
	headers/os/storage/FindDirectory.h
	headers/os/storage/Node.h
	headers/os/support/StringList.h
	headers/private/system/directories.h
	src/add-ons/kernel/drivers/audio/ac97/es1370/Jamfile
	src/add-ons/kernel/file_systems/packagefs/AttributeIndex.cpp
	src/add-ons/kernel/file_systems/packagefs/Jamfile
	src/add-ons/kernel/file_systems/packagefs/Package.cpp
	src/add-ons/kernel/file_systems/packagefs/Package.h
	src/add-ons/kernel/file_systems/packagefs/PackageDomain.cpp
	src/add-ons/kernel/file_systems/packagefs/PackageDomain.h
	src/add-ons/kernel/file_systems/packagefs/PackageFSRoot.cpp
	src/add-ons/kernel/file_systems/packagefs/PackageLinkDirectory.cpp
	src/add-ons/kernel/file_systems/packagefs/PackageLinkDirectory.h
	src/add-ons/kernel/file_systems/packagefs/PackageLinkSymlink.cpp
	src/add-ons/kernel/file_systems/packagefs/PackageLinkSymlink.h
	src/add-ons/kernel/file_systems/packagefs/PackageLinksDirectory.cpp
	src/add-ons/kernel/file_systems/packagefs/PackageNode.h
	src/add-ons/kernel/file_systems/packagefs/ResolvableFamily.cpp
	src/add-ons/kernel/file_systems/packagefs/Version.cpp
	src/add-ons/kernel/file_systems/packagefs/Version.h
	src/add-ons/kernel/file_systems/packagefs/Volume.cpp
	src/add-ons/kernel/file_systems/packagefs/Volume.h
	src/add-ons/kernel/file_systems/packagefs/kernel_interface.cpp
	src/add-ons/kernel/file_systems/userlandfs/shared/driver_settings.c
	src/apps/deskbar/BarApp.cpp
	src/apps/deskbar/BarMenuBar.cpp
	src/apps/deskbar/BarMenuBar.h
	src/apps/deskbar/BarView.cpp
	src/apps/deskbar/BarView.h
	src/apps/deskbar/BarWindow.cpp
	src/apps/deskbar/BarWindow.h
	src/apps/deskbar/DeskbarMenu.cpp
	src/apps/deskbar/DeskbarMenu.h
	src/apps/deskbar/DeskbarUtils.cpp
	src/apps/deskbar/DeskbarUtils.h
	src/apps/deskbar/ExpandoMenuBar.cpp
	src/apps/deskbar/ExpandoMenuBar.h
	src/apps/deskbar/TeamMenu.cpp
	src/apps/processcontroller/ProcessController.cpp
	src/apps/remotedesktop/RemoteDesktop.cpp
	src/bin/bash/config-top.h
	src/bin/finddir.c
	src/bin/package/Jamfile
	src/bin/package/command_add.cpp
	src/bin/package/command_create.cpp
	src/bin/package/command_list.cpp
	src/bin/package_repo/command_list.cpp
	src/bin/pkgman/command_refresh.cpp
	src/build/libbe/support/Jamfile
	src/build/libpackage/Jamfile
	src/build/libroot/Jamfile
	src/build/libroot/fs.cpp
	src/build/libroot/remapped_functions.h
	src/kits/locale/MutableLocaleRoster.cpp
	src/kits/opengl/GLRendererRoster.cpp
	src/kits/package/PackageInfo.cpp
	src/kits/package/PackageInfoSet.cpp
	src/kits/package/PackageRoster.cpp
	src/kits/package/PackageVersion.cpp
	src/kits/package/RepositoryCache.cpp
	src/kits/package/hpkg/PackageWriterImpl.cpp
	src/kits/package/hpkg/ReaderImplBase.cpp
	src/kits/package/hpkg/WriterImplBase.cpp
	src/kits/print/PrintTransport.cpp
	src/kits/print/Printer.cpp
	src/kits/screensaver/ScreenSaverRunner.cpp
	src/kits/support/StringList.cpp
	src/kits/tracker/ContainerWindow.cpp
	src/kits/tracker/DeskWindow.cpp
	src/kits/tracker/PoseView.cpp
	src/libs/print/libprint/Transport.cpp
	src/preferences/printers/AddPrinterDialog.cpp
	src/preferences/screensaver/ScreenSaverWindow.cpp
	src/servers/debug/DebugServer.cpp
	src/servers/input/AddOnManager.cpp
	src/servers/media_addon/MediaAddonServer.cpp
	src/system/boot/Jamfile
	src/system/boot/loader/Jamfile
	src/system/boot/loader/loader.cpp
	src/system/boot/loader/vfs.cpp
	src/system/kernel/fs/vfs.cpp
	src/system/kernel/fs/vfs_boot.cpp
	src/system/libroot/os/find_directory.cpp
	src/system/runtime_loader/runtime_loader.cpp
	src/tools/package/Jamfile
 2013-05-05 15:03:26 +02:00
Ingo Weinhold
274ca38fd1 BOpenHashTable::Clear(): Set fItemCount to 0 
If not empty, the count would afterwards be out of sync with reality.
 2013-04-27 16:21:41 -04:00