RE: [PATCH] x86_64: store Socket ID in phys_proc_id

From: Andi Kleen [mailto:[email protected]] 

>> Socket ID is 0 for first Physical processor?
>It must just be some unique ID for each socket.

For dual core, if I lift AP's APIC ID and no touch BSP's APIC ID.
For example, BSP is still 0, and second core is 0x11.
The phys_proc_id will be 0 for BSP, and 8 for second core.
So I suggest you to use initial APIC ID to get socket id instead of APIC
ID.

YH


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