Re: [patch V4 24/41] x86/cpu: Provide cpu_init/parse_topology()

From: Arjan van de Ven
Date: Mon Aug 28 2023 - 10:35:33 EST


On 8/28/2023 7:28 AM, K Prateek Nayak wrote:
- Are these really different between AMD and Intel or is this some
naming convention issue which needs to be resolved?
They do have different characteristics since, on Sapphire
Rapids, the LLC is at a socket boundary despite having multiple
tiles. (Please correct me if I'm wrong, I'm going off of
llc_id shared in this report by Qiuxu Zhuo -
https://lore.kernel.org/all/20230809161219.83084-1-qiuxu.zhuo@xxxxxxxxx/)


Sapphire reports itself as 1 tile though (since logically it is) as far as I know