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x86: move prefill_possible_map calling early

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call it right after we are done with MADT/mptable handling, instead of
doing that in setup_per_cpu_areas() later on...

this way for_possible_cpu() can be used early.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu
2008-07-02 18:54:40 -07:00
committed by Ingo Molnar
parent 5f4765f96e
commit 329513a35d
4 changed files with 13 additions and 10 deletions
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8
arch/x86/kernel/smpboot.c
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@@ -1278,12 +1278,20 @@ __init void prefill_possible_map(void)
int i;
int possible;
/* no processor from mptable or madt */
if (!num_processors)
num_processors = 1;
#ifdef CONFIG_HOTPLUG_CPU
if (additional_cpus == -1) {
if (disabled_cpus > 0)
additional_cpus = disabled_cpus;
else
additional_cpus = 0;
}
#else
additional_cpus = 0;
#endif
possible = num_processors + additional_cpus;
if (possible > NR_CPUS)
possible = NR_CPUS;