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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-12-16 18:04:31 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-16 19:01:53 +0100 |
| commit | 933b0618d8b2a59c7a0742e43836544e02f1e9bd (patch) | |
| tree | 2d315a2d365fc27a9b43976940a963295e434ac4 /init/main.c | |
| parent | ee1156c11a1121e118b0a7f2dec240f0d421b1fd (diff) | |
| download | lwn-933b0618d8b2a59c7a0742e43836544e02f1e9bd.tar.gz lwn-933b0618d8b2a59c7a0742e43836544e02f1e9bd.zip | |
sched: Mark boot-cpu active before smp_init()
A UP machine has 1 active cpu, not having the boot-cpu in the
active map when starting the scheduler confuses things.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <20091216170517.423469527@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'init/main.c')
| -rw-r--r-- | init/main.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/init/main.c b/init/main.c index c3db4a98b369..dac44a9356a5 100644 --- a/init/main.c +++ b/init/main.c @@ -369,12 +369,6 @@ static void __init smp_init(void) { unsigned int cpu; - /* - * Set up the current CPU as possible to migrate to. - * The other ones will be done by cpu_up/cpu_down() - */ - set_cpu_active(smp_processor_id(), true); - /* FIXME: This should be done in userspace --RR */ for_each_present_cpu(cpu) { if (num_online_cpus() >= setup_max_cpus) @@ -486,6 +480,7 @@ static void __init boot_cpu_init(void) int cpu = smp_processor_id(); /* Mark the boot cpu "present", "online" etc for SMP and UP case */ set_cpu_online(cpu, true); + set_cpu_active(cpu, true); set_cpu_present(cpu, true); set_cpu_possible(cpu, true); } |