Re: [PATCH v5 09/19] arch_topology: Use the last level cache information from the cacheinfo

[Sudeep Holla]

On Wed, Jun 29, 2022 at 06:18:25PM +0000, Conor.Dooley@xxxxxxxxxxxxx wrote:
> 
> No, no it doesn't. Not sure what I was thinking there.
> Prob tested that on the the last commit that bisect tested
> rather than the one it pointed out the problem was with.
> 
> Either way, boot is broken in -next.
>

Can you check if the below fixes the issue ? Assuming presenting L1 as
LLC might be causing issue.

Regards,
Sudeep

-->8
diff --git i/drivers/base/cacheinfo.c w/drivers/base/cacheinfo.c
index 167abfa6f37d..a691317f7fdd 100644
--- i/drivers/base/cacheinfo.c
+++ w/drivers/base/cacheinfo.c
@@ -60,7 +60,8 @@ bool last_level_cache_is_valid(unsigned int cpu)

        llc = per_cpu_cacheinfo_idx(cpu, cache_leaves(cpu) - 1);

-       return (llc->attributes & CACHE_ID) || !!llc->fw_token;
+       return (llc->type == CACHE_TYPE_UNIFIED) &&
+              ((llc->attributes & CACHE_ID) || !!llc->fw_token);

 }