From patchwork Fri Mar 5 12:20:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 394421 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 A3112C433DB for ; Fri, 5 Mar 2021 12:30:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 803A56502E for ; Fri, 5 Mar 2021 12:30:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232313AbhCEMaC (ORCPT ); Fri, 5 Mar 2021 07:30:02 -0500 Received: from mail.kernel.org ([198.145.29.99]:38576 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231828AbhCEM3b (ORCPT ); Fri, 5 Mar 2021 07:29:31 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9F1A465019; Fri, 5 Mar 2021 12:29:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614947371; bh=MzECXvRCfTdhhl662iinpmpj+CqmNMIktdP22PxNuuo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=m79fP7WukIdJBMzj7bM6dInL3wj7EAWfFU32d3VUUXgMRvom7/pvFBCUx0HkjWqQ0 HKADr94bPhJaMelOF6IzmgTfN5h/ZY+0WFxjGASsabxXqoXEfE1JJrhJVMzH89Agge 1+UGaOqDCAuKpxZDkyMEeKdtEq30RHOfz1IUnngs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Don Curtis , Borislav Petkov , Sasha Levin Subject: [PATCH 5.10 040/102] EDAC/amd64: Do not load on family 0x15, model 0x13 Date: Fri, 5 Mar 2021 13:20:59 +0100 Message-Id: <20210305120905.265204467@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210305120903.276489876@linuxfoundation.org> References: <20210305120903.276489876@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Borislav Petkov [ Upstream commit 6c13d7ff81e6d2f01f62ccbfa49d1b8d87f274d0 ] Those were only laptops and are very very unlikely to have ECC memory. Currently, when the driver attempts to load, it issues: EDAC amd64: Error: F1 not found: device 0x1601 (broken BIOS?) because the PCI device is the wrong one (it uses the F15h default one). So do not load the driver on them as that is pointless. Reported-by: Don Curtis Signed-off-by: Borislav Petkov Tested-by: Don Curtis Link: http://bugzilla.opensuse.org/show_bug.cgi?id=1179763 Link: https://lkml.kernel.org/r/20201218160622.20146-1-bp@alien8.de Signed-off-by: Sasha Levin --- drivers/edac/amd64_edac.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 620f7041db6b..b36d5879b91e 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -3350,10 +3350,13 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt) fam_type = &family_types[F15_M60H_CPUS]; pvt->ops = &family_types[F15_M60H_CPUS].ops; break; + /* Richland is only client */ + } else if (pvt->model == 0x13) { + return NULL; + } else { + fam_type = &family_types[F15_CPUS]; + pvt->ops = &family_types[F15_CPUS].ops; } - - fam_type = &family_types[F15_CPUS]; - pvt->ops = &family_types[F15_CPUS].ops; break; case 0x16: @@ -3547,6 +3550,7 @@ static int probe_one_instance(unsigned int nid) pvt->mc_node_id = nid; pvt->F3 = F3; + ret = -ENODEV; fam_type = per_family_init(pvt); if (!fam_type) goto err_enable;