x86/topology: Define topology_die_id()

topology_die_id(cpu) is a simple macro for use inside the kernel to get the
die_id associated with the given cpu.

Signed-off-by: Len Brown <[e-mail]>
Signed-off-by: Thomas Gleixner <[e-mail]>
Reviewed-by: Ingo Molnar <[e-mail]>
Acked-by: Peter Zijlstra (Intel) <[e-mail]>
Link: https://lkml.kernel.org/r/6[e-mail]

arch/x86/include/asm/topology.h

···
 
 #define topology_logical_package_id(cpu)	(cpu_data(cpu).logical_proc_id)
 #define topology_physical_package_id(cpu)	(cpu_data(cpu).phys_proc_id)
+#define topology_die_id(cpu)			(cpu_data(cpu).cpu_die_id)
 #define topology_core_id(cpu)			(cpu_data(cpu).cpu_core_id)
 
 #ifdef CONFIG_SMP