linux-kernel - Re: [PATCH] AMD64_EDAC: Fix logic to determine channel for F15 M30h processors

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Message-ID: <52EFE9B2.9020104@amd.com>
Date:	Mon, 3 Feb 2014 13:10:42 -0600
From:	Aravind Gopalakrishnan <aravind.gopalakrishnan@....com>
To:	<dougthompson@...ssion.com>, <bp@...en8.de>,
	<linux-edac@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] AMD64_EDAC: Fix logic to determine channel for F15 M30h
 processors

On 1/21/2014 3:03 PM, Aravind Gopalakrishnan wrote:
> The current logic that returns (sys_addr >> 8) & 0x7 when
> num_dcts_intlv = 4 is incorrect. We should really be doing-
> If intlv_addr = 0x4, then interleave on bits [9:8] and if
> intlv_addr = 0x5, interleave on bits [10:9].
>
> Refer F15 M30h BKDG D18F2x110[7:6] (DRAM Controller Select Low)
> (Link:http://support.amd.com/TechDocs/49125_15h_Models_30h-3Fh_BKDG.pdf)
>
> Tested on F15 M30h with mce_inj module and patch did not cause
> any regressions.
>
> Signed-off-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@....com>
> ---
>

Ping..

-Aravind.

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