x86: introduce initial apicid

store initial_apicid from early identify. it is could be different from
phys_proc_id later.

also print it out in /proc/cpuinfo.

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/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 1f9501a38493..d590da88c0df 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -101,6 +101,7 @@ struct cpuinfo_x86 {
         /* cpuid returned max cores value: */
         u16                      x86_max_cores;
         u16                     apicid;
+        u16                     initial_apicid;
         u16                     x86_clflush_size;
 #ifdef CONFIG_SMP
         /* number of cores as seen by the OS: */