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| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-06-20 16:11:20 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 12:48:31 +0200 |
| commit | 3c999f142665265afd0fe9190204dd051f17e505 (patch) | |
| tree | 83b764c2a90890c22b199d6445cf2e132babe455 /arch/x86/kernel/setup.c | |
| parent | 88a6846c70ad6bf33a545d554ace801d69e8a1a5 (diff) | |
x86: check command line when CONFIG_X86_MPPARSE is not set, v2
if acpi=off, acpi=noirq and pci=noacpi, we need to disable apic.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index c5330f601b6..56aee55cf8d 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -161,6 +161,10 @@ void __init setup_per_cpu_areas(void) char *ptr; int cpu; + /* no processor from mptable or madt */ + if (!num_processors) + num_processors = 1; + #ifdef CONFIG_HOTPLUG_CPU prefill_possible_map(); #else |