linux-kernel - Re: [PATCH v2 16/17] driver/edac: enable Hygon support to AMD64 EDAC driver

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Date:   Sun, 29 Jul 2018 01:42:17 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Pu Wen <puwen@...on.cn>, tglx@...utronix.de, bp@...en8.de,
        thomas.lendacky@....com, mingo@...hat.com, hpa@...or.com,
        peterz@...radead.org, tony.luck@...el.com, rkrcmar@...hat.com,
        boris.ostrovsky@...cle.com, jgross@...e.com, rjw@...ysocki.net,
        lenb@...nel.org, viresh.kumar@...aro.org, mchehab@...nel.org,
        trenn@...e.com, shuah@...nel.org, JBeulich@...e.com, x86@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        kvm@...r.kernel.org, xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v2 16/17] driver/edac: enable Hygon support to AMD64 EDAC
 driver

On 23/07/2018 15:20, Pu Wen wrote:
> @@ -211,7 +211,7 @@ static int __set_scrub_rate(struct amd64_pvt *pvt, u32 new_bw, u32 min_rate)
>  
>  	scrubval = scrubrates[i].scrubval;
>  
> -	if (pvt->fam == 0x17) {
> +	if (pvt->fam == 0x17 || pvt->fam == 0x18) {
>  		__f17h_set_scrubval(pvt, scrubval);
>  	} else if (pvt->fam == 0x15 && pvt->model == 0x60) {
>  		f15h_select_dct(pvt, 0);

This, and many other occurrences in this file, should in my opinion
avoid testing family 18h without also checking for Hygon as a vendor.
You probably need to add a vendor field to struct amd64_pvt and
initialize it in per_family_init.

Paolo