From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B279C10F27 for ; Tue, 10 Mar 2020 13:17:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4616F208E4 for ; Tue, 10 Mar 2020 13:17:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583846278; bh=Uvu0WyXXGIrdFGCDU96MKnZBJOtUvwGuyAPktazVLOM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=TqETPzVmAfe+MtLFMsNLpZngGc9jzZ7Is6ih4Z9zLYo5w2hddKN59BHCiyebZhd8n on1rJoXlrwXeK5dCtUuLsVKntDDkGVsc/lt5vy6VXbaD0s2y0ewInEzqYyuvZM+0Hk /v/OC3MqwHWIZH+vrCr4obxcsmUBYIwXa5pq/eZg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731217AbgCJNLa (ORCPT ); Tue, 10 Mar 2020 09:11:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:32852 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731412AbgCJNLY (ORCPT ); Tue, 10 Mar 2020 09:11:24 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DD27724649; Tue, 10 Mar 2020 13:11:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583845883; bh=Uvu0WyXXGIrdFGCDU96MKnZBJOtUvwGuyAPktazVLOM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=17ME2voKTVwqDBCMaosX54iGK1238FysZqbfCvU4WGV9CyCeGzktiwEJa5gUkhbuM rageMFZPdZabS0uEFEGylRAQqal4WZAwgcbV0vvhr7uTC4Sh0AB7EtX5MIH7EYASqh yuq5LNGbj53/i/zgkMpnOzOy9yxH/AJMD+OryGDg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yazen Ghannam , Borislav Petkov , "linux-edac@vger.kernel.org" , James Morse , Mauro Carvalho Chehab , Robert Richter , Tony Luck , Sasha Levin Subject: [PATCH 4.19 01/86] EDAC/amd64: Set grain per DIMM Date: Tue, 10 Mar 2020 13:44:25 +0100 Message-Id: <20200310124530.890506153@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200310124530.808338541@linuxfoundation.org> References: <20200310124530.808338541@linuxfoundation.org> User-Agent: quilt/0.66 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yazen Ghannam [ Upstream commit 466503d6b1b33be46ab87c6090f0ade6c6011cbc ] The following commit introduced a warning on error reports without a non-zero grain value. 3724ace582d9 ("EDAC/mc: Fix grain_bits calculation") The amd64_edac_mod module does not provide a value, so the warning will be given on the first reported memory error. Set the grain per DIMM to cacheline size (64 bytes). This is the current recommendation. Fixes: 3724ace582d9 ("EDAC/mc: Fix grain_bits calculation") Signed-off-by: Yazen Ghannam Signed-off-by: Borislav Petkov Cc: "linux-edac@vger.kernel.org" Cc: James Morse Cc: Mauro Carvalho Chehab Cc: Robert Richter Cc: Tony Luck Link: https://lkml.kernel.org/r/20191022203448.13962-7-Yazen.Ghannam@amd.com Signed-off-by: Sasha Levin --- drivers/edac/amd64_edac.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 94265e4385146..05d6f9c86ac38 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -2863,6 +2863,7 @@ static int init_csrows(struct mem_ctl_info *mci) dimm = csrow->channels[j]->dimm; dimm->mtype = pvt->dram_type; dimm->edac_mode = edac_mode; + dimm->grain = 64; } } -- 2.20.1