linux-kernel - Re: [PATCH] EDAC/mce_amd: Decode Cache Level "L0" Error Code

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Date:   Mon, 10 Apr 2023 22:47:10 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Yazen Ghannam <yazen.ghannam@....com>
Cc:     linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
        avadhut.naik@....com
Subject: Re: [PATCH] EDAC/mce_amd: Decode Cache Level "L0" Error Code

On Mon, Apr 10, 2023 at 03:33:57PM -0500, Yazen Ghannam wrote:
> The "L0" cache level is listed as "reserved" in legacy documentation.
> This has now been defined as "Core" in current documentation for
> Zen-based systems.
> 
> Update the cache level strings to include this new definition.
> 
> Signed-off-by: Yazen Ghannam <yazen.ghannam@....com>
> ---
>  drivers/edac/mce_amd.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
> index cc5c63feb26a..1d1b9da3b9bd 100644
> --- a/drivers/edac/mce_amd.c
> +++ b/drivers/edac/mce_amd.c
> @@ -37,7 +37,7 @@ EXPORT_SYMBOL_GPL(amd_unregister_ecc_decoder);
>  static const char * const tt_msgs[] = { "INSN", "DATA", "GEN", "RESV" };
>  
>  /* cache level */
> -static const char * const ll_msgs[] = { "RESV", "L1", "L2", "L3/GEN" };
> +static const char * const ll_msgs[] = { "CORE", "L1", "L2", "L3/GEN" };

Still used on legacy machines. I thought we agreed we'll move all the
decoding to luserspace, for newer Zens...

-- 
Regards/Gruss,
    Boris.

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