[PATCH 1/1] powerpc: fix missing L2 cache size in /sys/devices/system/cpu

[Michael Ellerman]

On Mon, 2015-02-09 at 14:14 -0800, Dave Olson wrote:
> From: Dave Olson <olson at cumulusnetworks.com>
> 
> Fix missing L2 cache size in /sys/devices/system/cpu/cpu0/cache/index2/size
> This bug appears to be introduced in 2.6.29 by 93197a36a9c16a85fb24cf5a8639f7bf9af838a3.
> The missing entry caused lscpu to error out on e500v2 devices, and probably others
>  error: cannot open /sys/devices/system/cpu/cpu0/cache/index2/size: No such file or directory
> The DTS files we see use cache-size for the unified L2 cache size, not d-cache-size

Can you convince me that this is not going to break other machines that have
"d-cache-size" but not "cache-size"?
 
cheers