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| * | use remap_pfn_range and automatic reclaimingChristopher Kenna2012-05-02
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| * | debuggingChristopher Kenna2012-05-02
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| * | Add the beginings of a SPARC port. Edit page-types to work on SPARCChristopher Kenna2012-05-01
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| * | Use a typedef for the color number.Christopher Kenna2012-04-26
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| * | change color to 16 bitsChristopher Kenna2012-04-10
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| * | Allocate colored pages according to color ctrl page.Christopher Kenna2012-04-08
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| * | Page reclaiming, control devices, cleanup.Christopher Kenna2012-04-08
| | | | | | | | | | | | | | | Track allocated pages and add a proc handler to reclaim free pages and add control device for allocating colored memory with mmap.
| * | minor clean-upChristopher Kenna2012-04-01
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| * | Allow dynamically allocated locks for Lockdep.Christopher Kenna2012-03-31
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| * | Allocate only one page at a time. Add proc interface.Christopher Kenna2012-03-29
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| * | add pages to lists on bootChristopher Kenna2012-03-28
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| * | don't crash when cache information unavailableChristopher Kenna2012-03-28
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| * | masksChristopher Kenna2012-03-28
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| * | First commit.Christopher Kenna2012-03-26
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| * Typo in macroJonathan Herman2012-02-16
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| * Feather-Trace: keep track of interrupt-related interference.2012.1Bjoern B. Brandenburg2012-01-30
| | | | | | | | | | | | | | Increment a processor-local counter whenever an interrupt is handled. This allows Feather-Trace to include a (truncated) counter and a flag to report interference from interrupts. This could be used to filter samples that were disturbed by interrupts.
| * Litmus core: simplify np-section protocolwip-2011.2-bbbBjoern B. Brandenburg2011-11-24
| | | | | | | | | | | | User a 32-bit word for all non-preemptive section flags. Set the "please yield soon" flag atomically when accessing it on remotely-scheduled tasks.
| * C-EDF: rename lock -> cluster_lockBjoern B. Brandenburg2011-11-24
| | | | | | | | The macro lock conflicts with locking protocols...
| * locking: use correct timestampBjoern B. Brandenburg2011-11-24
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| * Feather-trace: let userspace add overhead eventsBjoern B. Brandenburg2011-11-24
| | | | | | | | | | This is useful for measuring locking-related overheads that are partially recorded in userspace.
| * ftdev: let bufffer-specific code handle writes from userspaceBjoern B. Brandenburg2011-11-24
| | | | | | | | | | This allows us to splice in information into logs from events that were recorded in userspace.
| * ftdev: remove event activation hackBjoern B. Brandenburg2011-11-24
| | | | | | | | | | Instead of doing the hackisch 'write commands to device' thing, let's just use a real ioctl() interface.
| * Feather-Trace: keep track of release latencyBjoern B. Brandenburg2011-11-24
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| * Feather-Trace: trace locking-related suspensionsBjoern B. Brandenburg2011-11-24
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| * Feather-Trace: start with the largest permissible rangeBjoern B. Brandenburg2011-11-24
| | | | | | | | MAX_ORDER is 11, but this is about number of records, not number of pages.
| * bugfix: add processors in order of increasing indices to clustersBjoern B. Brandenburg2011-11-24
| | | | | | | | | | Pfair expects to look at processors in order of increasing index. Without this patch, Pfair could deadlock in certain situations.
| * Pfair: improve robustness of suspensionsBjoern B. Brandenburg2011-11-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes two crash or hang bugs related to suspensions in Pfair. 1) When a job was not present at the end of its last subtask, then its linked_on field was not cleared. This confused the scheduler when it later resumed. Fix: clear the field. 2) Just testing for linked_on == NO_CPU is insufficient in the wake_up path to determine whether a task should be added to the ready queue. If the task remained linked and then was "preempted" at a later quantum boundary, then it already is in the ready queue and nothing is required. Fix: encode need to requeue in task_rt(t)->flags.
| * Add option to turn off preemption state tracingBjoern B. Brandenburg2011-11-24
| | | | | | | | | | | | Preemption state tracing is only useful when debugging preemption- and IPI-related races. Since it creates a lot of clutter in the logs, this patch turns it off unless explicitly requested.
| * Add unlikely() to rel master check (match pfair).Glenn Elliott2011-11-02
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| * bugfix: release master CPU must signal task was pickedBjoern B. Brandenburg2011-11-02
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| * Pfair: various fixes concerning release timersBjoern B. Brandenburg2011-08-27
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| * Pfair: add support for true sporadic releasesBjoern B. Brandenburg2011-08-27
| | | | | | | | | | | | This patch also converts Pfair to implement early releasing such that no timer wheel is required anymore. This removes the need for a maximum period restriction.
| * Pfair: add release master support.Bjoern B. Brandenburg2011-08-27
| | | | | | | | | | Merged in release master support for Pfair. Some merge conflicts had to be resolved.
| * C-EDF: Make migration affinity work with Release MasterGlenn Elliott2011-08-27
| | | | | | | | | | | | | | | | | | | | Needed to update C-EDF to handle release master. Also updated get_nearest_available_cpu() to take NO_CPU instead of -1 to indicate that there is no release master. While NO_CPU is 0xffffffff (-1 in two's complement), we still translate this value to -1 in case NO_CPU changes. Signed-off-by: Andrea Bastoni <bastoni@cs.unc.edu>
| * C-EDF: add release master supportBjoern B. Brandenburg2011-08-27
| | | | | | | | As with GSN-EDF, do not insert release master into CPU heap.
| * PSN-EDF: add release master supportBjoern B. Brandenburg2011-08-27
| | | | | | | | We can give up a processor under partitioning, too.
| * COMMENT: Correct comment on precise budget enforcementGlenn Elliott2011-08-27
| | | | | | | | | | Original comment said that this feature wasn't supported, though it has been since around October 2010.
| * Avoid needlessly costly migrations. CONFIG_SCHED_CPU_AFFINITYGlenn Elliott2011-08-27
| | | | | | | | | | | | | | | | | | | | | | | | | | Given a choice between several available CPUs (unlinked) on which to schedule a task, let the scheduler select the CPU closest to where that task was previously scheduled. Hopefully, this will reduce cache migration penalties. Notes: SCHED_CPU_AFFINITY is dependent upon x86 (only x86 is supported at this time). Also PFair/PD^2 does not make use of this feature. Signed-off-by: Andrea Bastoni <bastoni@cs.unc.edu>
| * Prevent Linux to send IPI and queue tasks on remote CPUs.wip-merge-v3.0Andrea Bastoni2011-08-27
| | | | | | | | | | | | Whether to send IPIs and enqueue tasks on remote runqueues is plugin-specific. The recent ttwu_queue() mechanism (by calling ttwu_queue_remote()) interferes with Litmus plugin decisions.
| * Update PULL_TIMERS_VECTOR numberAndrea Bastoni2011-08-27
| | | | | | | | | | | | From 2.6.39 the "0xee" vector number that we used for pull_timers low-level management is is use by invalidate_tlb_X interrupts. Move the pull_timers vector below the max size of invalidate_tlb.
| * Fix prototype mismatching and synch syscall numbersAndrea Bastoni2011-08-27
| | | | | | | | | | | | * Update prototypes for switched_to(), prio_changed(), select_task_rq(). * Fix missing pid field in printk output. * Synchronize syscall numbers for arm and x86.
| * Merge 'Linux v3.0' into LitmusAndrea Bastoni2011-08-27
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some notes: * Litmus^RT scheduling class is the topmost scheduling class (above stop_sched_class). * scheduler_ipi() function (e.g., in smp_reschedule_interrupt()) may increase IPI latencies. * Added path into schedule() to quickly re-evaluate scheduling decision without becoming preemptive again. This used to be a standard path before the removal of BKL. Conflicts: Makefile arch/arm/kernel/calls.S arch/arm/kernel/smp.c arch/x86/include/asm/unistd_32.h arch/x86/kernel/smp.c arch/x86/kernel/syscall_table_32.S include/linux/hrtimer.h kernel/printk.c kernel/sched.c kernel/sched_fair.c
| | * Linux 3.0Linus Torvalds2011-07-21
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| | * Merge branch 'for_linus' of ↵Linus Torvalds2011-07-21
| | |\ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: sparc,kgdbts: fix compile regression with kgdb test suite
| | | * sparc,kgdbts: fix compile regression with kgdb test suiteJason Wessel2011-07-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 63ab25ebbc (kgdbts: unify/generalize gdb breakpoint adjustment) introduced a compile regression on sparc. kgdbts.c: In function 'check_and_rewind_pc': kgdbts.c:307: error: implicit declaration of function 'instruction_pointer_set' Simply add the correct macro definition for instruction pointer on the Sparc architecture. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Acked-by: David S. Miller <davem@davemloft.net>
| | * | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2011-07-21
| | |\ \ | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: CIFS: Fix wrong length in cifs_iovec_read
| | | * | CIFS: Fix wrong length in cifs_iovec_readPavel Shilovsky2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
| | * | | Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds2011-07-21
| | |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Make Dell Latitude E6420 use reboot=pci x86: Make Dell Latitude E5420 use reboot=pci
| | | * | | x86: Make Dell Latitude E6420 use reboot=pciH. Peter Anvin2011-07-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Yet another variant of the Dell Latitude series which requires reboot=pci. From the E5420 bug report by Daniel J Blueman: > The E6420 is affected also (same platform, different casing and > features), which provides an external confirmation of the issue; I can > submit a patch for that later or include it if you prefer: > http://linux.koolsolutions.com/2009/08/04/howto-fix-linux-hangfreeze-during-reboots-and-restarts/ Reported-by: Daniel J Blueman <daniel.blueman@gmail.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: <stable@kernel.org>
| | | * | | x86: Make Dell Latitude E5420 use reboot=pciDaniel J Blueman2011-07-21
| | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rebooting on the Dell E5420 often hangs with the keyboard or ACPI methods, but is reliable via the PCI method. [ hpa: this was deferred because we believed for a long time that the recent reshuffling of the boot priorities in commit 660e34cebf0a11d54f2d5dd8838607452355f321 fixed this platform. Unfortunately that turned out to be incorrect. ] Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com> Link: http://lkml.kernel.org/r/1305248699-2347-1-git-send-email-daniel.blueman@gmail.com Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: <stable@kernel.org>
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