Re: [PATCH 05/20] x86/mce/amd: Use helper for UMC bank type check

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On Sat, Nov 18, 2023 at 01:32:33PM -0600, Yazen Ghannam wrote:
> @@ -714,14 +721,10 @@ static bool legacy_mce_is_memory_error(struct mce *m)
>   */
>  static bool smca_mce_is_memory_error(struct mce *m)
>  {
> -	enum smca_bank_types bank_type;
> -
>  	if (XEC(m->status, 0x3f))
>  		return false;
>  
> -	bank_type = smca_get_bank_type(m->extcpu, m->bank);
> -
> -	return bank_type == SMCA_UMC || bank_type == SMCA_UMC_V2;
> +	return smca_umc_bank_type(m->ipid);

	return FIELD_GET(MCI_IPID_HWID, ipid) == IPID_TYPE_UMC;

after having done:

#define IPID_TYPE_UMC	0x96;

and you don't need that silly helper.

And then you can do more cleanups ontop by doing

        /* Unified Memory Controller MCA type */
        { SMCA_UMC,      HWID_MCATYPE(IPID_TYPE_UMC, 0x0)        },
        { SMCA_UMC_V2,   HWID_MCATYPE(IPID_TYPE_UMC, 0x1)        },

and have all the numbering properly defined and abstracted away.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette



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