Re: [PATCH 02/18] EDAC/amd64: Remove scrub rate control for Family 17h and later

From: Borislav Petkov
Date: Wed May 11 2022 - 06:27:55 EST


On Mon, May 09, 2022 at 02:55:18PM +0000, Yazen Ghannam wrote:
> @@ -251,6 +234,9 @@ static int set_scrub_rate(struct mem_ctl_info *mci, u32 bw)
> struct amd64_pvt *pvt = mci->pvt_info;
> u32 min_scrubrate = 0x5;
>
> + if (pvt->umc)
> + return -EPERM;

Since this function is testing families, it might be more
straightforward for the check to be:

if (pvt->fam >= 0x17)

> +
> if (pvt->fam == 0xf)
> min_scrubrate = 0x0;

--
Regards/Gruss,
Boris.

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