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>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index f52a6fb9023..cfcfbefee0b 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -818,6 +818,7 @@ void __init setup_arch(char **cmdline_p)
                 get_smp_config();
 #endif
 
+        prefill_possible_map();
 #ifdef CONFIG_X86_64
         init_cpu_to_node();
 #endif