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From: "Phillips, Kim" <>
To: "Ghannam, Yazen" <>,
	"" <>
Cc: "" <>,
	"" <>
Subject: Re: [PATCH v2 1/7] EDAC/amd64: Support more than two controllers for chip selects handling
Date: Wed, 10 Jul 2019 16:54:44 +0000
Message-ID: <> (raw)
In-Reply-To: <>

On 7/9/19 4:56 PM, Ghannam, Yazen wrote:
> From: Yazen Ghannam <>
> The struct chip_select array that's used for saving chip select bases
> and masks is fixed at length of two. There should be one struct
> chip_select for each controller, so this array should be increased to
> support systems that may have more than two controllers.
> Increase the size of the struct chip_select array to eight, which is the
> largest number of controllers per die currently supported on AMD
> systems.
> Fix number of DIMMs and Chip Select bases/masks on Family17h, because AMD
> Family 17h systems support 2 DIMMs, 4 CS bases, and 2 CS masks per
> channel.
> Also, carve out the Family 17h+ reading of the bases/masks into a
> separate function. This effectively reverts the original bases/masks
> reading code to before Family 17h support was added.
> This is a second version of a commit that was reverted.
> Fixes: 07ed82ef93d6 ("EDAC, amd64: Add Fam17h debug output")
> Fixes: 8de9930a4618 ("Revert "EDAC/amd64: Support more than two controllers for chip select handling"")
> Signed-off-by: Yazen Ghannam <>
> ---

For this and the rest of the series:

Tested-by: Kim Phillips <>



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Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-09 21:56 [PATCH v2 0/7] AMD64 EDAC fixes Ghannam, Yazen
2019-07-09 21:56 ` [PATCH v2 1/7] EDAC/amd64: Support more than two controllers for chip selects handling Ghannam, Yazen
2019-07-10 16:54   ` Phillips, Kim [this message]
2019-07-09 21:56 ` [PATCH v2 3/7] EDAC/amd64: Initialize DIMM info for systems with more than two channels Ghannam, Yazen
2019-07-09 21:56 ` [PATCH v2 2/7] EDAC/amd64: Recognize DRAM device type with EDAC_CTL_CAP Ghannam, Yazen
2019-07-09 21:56 ` [PATCH v2 4/7] EDAC/amd64: Find Chip Select memory size using Address Mask Ghannam, Yazen
2019-07-09 21:56 ` [PATCH v2 6/7] EDAC/amd64: Cache secondary Chip Select registers Ghannam, Yazen
2019-07-09 21:56 ` [PATCH v2 5/7] EDAC/amd64: Decode syndrome before translating address Ghannam, Yazen
2019-07-09 21:56 ` [PATCH v2 7/7] EDAC/amd64: Support Asymmetric Dual-Rank DIMMs Ghannam, Yazen

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