diff options
| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-07-02 18:54:40 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 13:16:24 +0200 |
| commit | 329513a35d1a2b6b28d54f5c2c0dde4face8200b (patch) | |
| tree | ef517f954c7dc6e86952e372608bde091b13f803 /arch/x86/kernel/smpboot.c | |
| parent | 5f4765f96eebee6a0adc4009758b597ba48a0a3a (diff) | |
x86: move prefill_possible_map calling early
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>
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 3b19441d78b..e1200b202ed 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -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; |