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2007-10-15sched: fix formatting of /proc/sched_debugMike Galbraith
fix formatting of /proc/sched_debug Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: enhance debug outputIngo Molnar
enhance debug output by changing 12345678 nsecs to 12.345678 output, this is more human-readable. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: prettify /proc/sched_debug outputIngo Molnar
print the correct amount of dashes in /proc/sched_debug. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: rework enqueue/dequeue_entity() to get rid of set_curr_task()Dmitry Adamushko
rework enqueue/dequeue_entity() to get rid of sched_class::set_curr_task(). This simplifies sched_setscheduler(), rt_mutex_setprio() and sched_move_tasks(). text data bss dec hex filename 24330 2734 20 27084 69cc sched.o.before 24233 2730 20 26983 6967 sched.o.after Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Signed-off-by: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: simplify sched_class::yield_task()Dmitry Adamushko
the 'p' (task_struct) parameter in the sched_class :: yield_task() is redundant as the caller is always the 'current'. Get rid of it. text data bss dec hex filename 24341 2734 20 27095 69d7 sched.o.before 24330 2734 20 27084 69cc sched.o.after Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: optimize task_new_fair()Dmitry Adamushko
due to the fact that we no longer keep the 'current' within the tree, dequeue/enqueue_entity() is useless for the 'current' in task_new_fair(). We are about to reschedule and sched_class->put_prev_task() will put the 'current' back into the tree, based on its new key. text data bss dec hex filename 24388 2734 20 27142 6a06 sched.o.before 24341 2734 20 27095 69d7 sched.o.after Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: fix delay accounting performance regressionIngo Molnar
fix delay accounting performance regression - those sched_clock() calls are not needed. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: do not keep current in the tree and get rid of sched_entity::fair_keyDmitry Adamushko
Get rid of 'sched_entity::fair_key'. As a side effect, 'current' is not kept withing the tree for SCHED_NORMAL/BATCH tasks anymore. This simplifies some parts of code (e.g. entity_tick() and yield_task_fair()) and also somewhat optimizes them (e.g. a single update_curr() now vs. dequeue/enqueue() before in entity_tick()). Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: add set_curr_task() callsDmitry Adamushko
p->sched_class->set_curr_task() has to be called before activate_task()/enqueue_task() in rt_mutex_setprio(), sched_setschedule() and sched_move_task() in order to set up 'cfs_rq->curr'. The logic of enqueueing depends on whether a task to be inserted is 'current' or not. Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: sched_setscheduler() fixDmitry Adamushko
Fix a problem in the 'sched-group' patch for !CONFIG_FAIR_GROUP_SCHED. description: sched_setscheduler() { ... if (task_running()) p->sched_class->put_prev_entity(); [ this one sets up cfs_rq->curr to NULL ] ... if (task_running) p->sched_class->set_curr_task(); [ and this one is a _NOP_ (empty) for !CONFIG_FAIR_GROUP_SCHED ] As a result, the task continues to run with cfs_rq->curr == NULL... no crashes (due to checks for !NULL in place) but e.g. update_curr() effectively becomes a NOP... i.e. runtime statistics for this task is not accounted untill it's rescheduled anew. Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: group-scheduler coreSrivatsa Vaddagiri
Add interface to control cpu bandwidth allocation to task-groups. (not yet configurable, due to missing CONFIG_CONTAINERS) Signed-off-by: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com> Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
2007-10-15sched: fix SMP migration latenciesMike Galbraith
fix SMP migration latencies: the vruntimes of different CPUs are at incompatible offsets so they have to be fixed up when migrating a task across CPUs. Signed-off-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: better min_vruntime trackingPeter Zijlstra
Better min_vruntime tracking: update it every time 'curr' is updated - not just when a task is enqueued into the tree. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: clean up schedstat block in dequeue_entity()Dmitry Adamushko
Better placement of #ifdef CONFIG_SCHEDSTAT block in dequeue_entity(). Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: remove wait_runtime fields and featuresIngo Molnar
remove wait_runtime based fields and features, now that the CFS math has been changed over to the vruntime metric. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: remove wait_runtime limitIngo Molnar
remove the wait_runtime-limit fields and the code depending on it, now that the math has been changed over to rely on the vruntime metric. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: clean up struct load_statDmitry Adamushko
'struct load_stat' is redundant now so let's get rid of it. Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: debug: update exec_clock only when SCHED_DEBUGIngo Molnar
micro-optimization: update cfs_rq->exec_clock only if CONFIG_SCHED_DEBUG=y. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: add more vruntime statisticsIngo Molnar
add more vruntime statistics. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: handle vruntime 64-bit overflowPeter Zijlstra
Handle vruntime overflow by centering the key space around min_vruntime. ( otherwise we could overflow 64-bit vruntime in a few days with SCHED_IDLE tasks - or in a few years with nice +19. ) Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: add tree based averagesPeter Zijlstra
add support for tree based vruntime averages. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: remove SCHED_FEAT_SKIP_INITIALIngo Molnar
remove SCHED_FEAT_SKIP_INITIAL - it was off by default and even when enabled it never made any real difference. Signed-off-by: Ingo Molnar <mingo@elte.hu> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: add se->vruntime debuggingIngo Molnar
debug se->vruntime fields. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de>
2007-10-15sched: clean up new task placementPeter Zijlstra
clean up new task placement. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mike Galbraith <efault@gmx.de>
2007-10-15sched: wakeup granularity increaseIngo Molnar
increase wakeup granularity - we were overscheduling a bit. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de>
2007-10-15sched: simplify check_preempt() methodsIngo Molnar
simplify the check_preempt() methods. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de>
2007-10-15sched: simplify adaptive latencyPeter Zijlstra
simplify adaptive latency. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: new task placement for vruntimePeter Zijlstra
add proper new task placement for the vruntime based math too. ( note: introduces a swap() macro, but the swap token is too widely used in the kernel namespace for a generic version to be added without changing non-scheduler code - so this cleanup will be done separately. ) Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: optimize vruntime based schedulingIngo Molnar
optimize vruntime based scheduling. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: move sched_feat() definitionsIngo Molnar
move sched_feat() definitions so that it can be used sooner by generic code too. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: introduce se->vruntimeIngo Molnar
introduce se->vruntime as a sum of weighted delta-exec's, and use that as the key into the tree. the idea to use absolute virtual time as the basic metric of scheduling has been first raised by William Lee Irwin, advanced by Tong Li and first prototyped by Roman Zippel in the "Really Fair Scheduler" (RFS) patchset. also see: http://lkml.org/lkml/2007/9/2/76 for a simpler variant of this patch. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: clean up calc_weighted()Ingo Molnar
clean up calc_weighted() - we always use the normalized shift so it's not needed to pass that in. Also, push the non-nice0 branch into the function. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: speed up update_load_add/_sub()Ingo Molnar
speed up update_load_add/_sub() by not delaying the division - this reduces CPU pipeline dependencies. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: uninline __enqueue_entity()/__dequeue_entity()Ingo Molnar
suggested by Roman Zippel: uninline __enqueue_entity() and __dequeue_entity(). this reduces code size: text data bss dec hex filename 25385 2386 16 27787 6c8b sched.o.before 25257 2386 16 27659 6c0b sched.o.after Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: simplify SCHED_FEAT_* codePeter Zijlstra
Peter Zijlstra suggested to simplify SCHED_FEAT_* checks via the sched_feat(x) macro. No code changed: text data bss dec hex filename 38895 3550 24 42469 a5e5 sched.o.before 38895 3550 24 42469 a5e5 sched.o.after Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: cleanup: simplify cfs_rq_curr() methodsIngo Molnar
cleanup: simplify cfs_rq_curr() methods - now that the cfs_rq->curr pointer is unconditionally present, remove the wrappers. kernel/sched.o: text data bss dec hex filename 11784 224 2012 14020 36c4 sched.o.before 11784 224 2012 14020 36c4 sched.o.after Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: track cfs_rq->curr on !group-scheduling tooIngo Molnar
Noticed by Roman Zippel: use cfs_rq->curr in the !group-scheduling case too. Small micro-optimization and cleanup effect: text data bss dec hex filename 36269 3482 24 39775 9b5f sched.o.before 36177 3486 24 39687 9b07 sched.o.after Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: remove precise CPU load calculations #2Ingo Molnar
continued removal of precise CPU load calculations. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: remove precise CPU loadIngo Molnar
CPU load calculations are statistical anyway, and there's little benefit from having it calculated on every scheduling event. So remove this code, it gets rid of a divide from the scheduler wakeup and context-switch fastpath. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: remove stat_granIngo Molnar
remove the stat_gran code - it was disabled by default and it causes unnecessary overhead. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: use constants if !CONFIG_SCHED_DEBUGIngo Molnar
use constants if !CONFIG_SCHED_DEBUG. this speeds up the code and reduces code-size: text data bss dec hex filename 27464 3014 16 30494 771e sched.o.before 26929 3010 20 29959 7507 sched.o.after Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: uniform tuningsIngo Molnar
use the same defaults on both UP and SMP. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: debug: track maximum 'slice'Ingo Molnar
track the maximum amount of time a task has executed while the CPU load was at least 2x. (i.e. at least two nice-0 tasks were runnable) Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: small sched_debug cleanupIngo Molnar
small kernel/sched_debug.c cleanup - break up multi-variable assignment. no code changed: text data bss dec hex filename 38869 3550 24 42443 a5cb sched.o.before 38869 3550 24 42443 a5cb sched.o.after Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: use list_for_each_entry_safe() in __wake_up_common()Matthias Kaehlcke
Use list_for_each_entry_safe() instead of list_for_each_safe() in __wake_up_common() Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: resched task in task_new_fair()Ingo Molnar
to get full child-runs-first semantics make sure the parent is rescheduled. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-15sched: fix sysctl_sched_child_runs_first flagIngo Molnar
fix the sched_child_runs_first flag: always call into ->task_new() if we are on the same CPU, as SCHED_OTHER tasks depend on it for correct initial setup. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-14clockevents: introduce force broadcast notifierThomas Gleixner
The 64bit SMP bootup is slightly different to the 32bit one. It enables the boot CPU local APIC timer before all CPUs are brought up. Some AMD C1E systems have the C1E feature flag only set in the secondary CPU. Due to the early enable of the boot CPU local APIC timer the APIC timer is registered as a fully functional device. When we detect the wreckage during the bringup of the secondary CPU, we need to force the boot CPU into broadcast mode. Add a new notifier reason and implement the force broadcast in the clock events layer. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-14more low-hanging fruits - kernel, fs, lib signednessAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-13minimal build fixes for uml (fallout from x86 merge)Al Viro
a) include/asm-um/arch can't just point to include/asm-$(SUBARCH) now b) arch/{i386,x86_64}/crypto are merged now c) subarch-obj needed changes d) cpufeature_64.h should pull "cpufeature_32.h", not <asm/cpufeature_32.h> since it can be included from asm-um/cpufeature.h e) in case of uml-i386 we need CONFIG_X86_32 for make and gcc, but not for Kconfig f) sysctl.c shouldn't do vdso_enabled for uml-i386 (actually, that one should be registered from corresponding arch/*/kernel/*, with ifdef going away; that's a separate patch, though). With that and with Stephen's patch ("[PATCH net-2.6] uml: hard_header fix") we have uml allmodconfig building both on i386 and amd64. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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