Re: [PATCH 4/4] x86/cpu/topology: Implement the CPU type sysfs interface

[Greg Kroah-Hartman]

On Fri, Oct 02, 2020 at 06:17:45PM -0700, Ricardo Neri wrote:
> Recent Intel processors combine CPUs with different types of micro-
> architecture in the same package. There may be applications interested in
> knowing the type topology of the system. For instance, it can be used to
> to determine which subsets of CPUs share a common feature.
> 
> Implement cpu_type sysfs interfaces for Intel processors.
> 
> For example, in a system with four Intel Atom CPUs and one Intel Core CPU,
> these entries look as below. In this example, the native model IDs for
> both types of CPUs are 0:
> 
> user@host:~$: ls /sys/devices/system/cpu/types
> intel_atom_0 intel_core_0
> 
> user@host:~$ ls /sys/devices/system/cpu/types/intel_atom_0
> cpulist cpumap
> 
> user@host:~$ ls /sys/devices/system/cpu/types/intel_core_0
> cpulist cpumap
> 
> user@host:~$ cat /sys/devices/system/cpu/types/intel_atom/cpumap
> 0f
> 
> user@host:~$ cat /sys/devices/system/cpu/types/intel_atom/cpulist
> 0-3
> 
> user@nost:~$ cat /sys/devices/system/cpu/types/intel_core/cpumap
> 10
> 
> user@host:~$ cat /sys/devices/system/cpu/types/intel_core/cpulist
> 4

You used the same changelog text here as you did in patch 1/4, why?

thanks,

greg k-h