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=-0.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 37B47C43382 for ; Wed, 26 Sep 2018 17:39:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EB7FA21533 for ; Wed, 26 Sep 2018 17:39:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="eNrRKPEk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EB7FA21533 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728386AbeIZXxr (ORCPT ); Wed, 26 Sep 2018 19:53:47 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:40522 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727399AbeIZXxr (ORCPT ); Wed, 26 Sep 2018 19:53:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Sender:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=mq/KVVDq5oYZWt2QxJWTn2+Z8gX47B21yrOrHlYqnx8=; b=eNrRKPEkWoYpIgvFwli2KRfAU ShxtpkK1VuPu+Ay69yV9ASzTVq17mRMxMbfuH+qV0MsZkLso3pt13QwutoemaFcqu5cnI8dq7Kgz/ thhLBxlkIv9vcke9qZCdzmbLA+iU4x2vOjHs9rm2utMSXedu8dOpBsFb6yuCDIoI6YpkLEbzSu1Nz g3y+NnLQqEV8rom5sBMCFJ2O8YZXjhsfIH55l8WBIu1MSE8QWpbXUQjogWeDx6OYD3OKoLAKthE8a Qplj3QgGb0CpL9r23nO1IZxAlU1lauLu0lUfYvqMVeaUUAXGIgweFtm++Fyo+rCAXIBxvOmkzumzs /5rjvRkLQ==; Received: from 177.43.23.201.dynamic.adsl.gvt.net.br ([177.43.23.201] helo=coco.lan) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1g5Dmf-0002rD-1L; Wed, 26 Sep 2018 17:39:42 +0000 Date: Wed, 26 Sep 2018 14:39:28 -0300 From: Mauro Carvalho Chehab To: Borislav Petkov Cc: "Luck, Tony" , Greg KH , Justin Ernst , russ.anderson@hpe.com, Mauro Carvalho Chehab , linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, Aristeu Rozanski Filho Subject: Re: [PATCH] Raise maximum number of memory controllers Message-ID: <20180926143928.56f1f079@coco.lan> In-Reply-To: <20180926161749.GI5584@zn.tnic> References: <20180925143449.284634-1-justin.ernst@hpe.com> <20180925152659.GE23986@zn.tnic> <20180925175023.GA16725@agluck-desk> <20180925180458.GG23986@zn.tnic> <20180926093510.GA5584@zn.tnic> <20180926152752.GG5584@zn.tnic> <20180926130340.6b22918b@coco.lan> <20180926161749.GI5584@zn.tnic> X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Wed, 26 Sep 2018 18:17:49 +0200 Borislav Petkov escreveu: > On Wed, Sep 26, 2018 at 01:03:40PM -0300, Mauro Carvalho Chehab wrote: > > I guess this is/was needed to create things like this: > > > > lrwxrwxrwx 1 root root 0 set 26 05:24 /sys/bus/edac/devices/mc -> ../../../devices/system/edac/mc > > They're still there: > > $ ls -l /sys/bus/edac/devices/ > total 0 > lrwxrwxrwx 1 root root 0 Sep 26 18:15 csrow0 -> ../../../devices/system/edac/mc/mc0/csrow0 > lrwxrwxrwx 1 root root 0 Sep 26 18:15 dimm0 -> ../../../devices/system/edac/mc/mc0/dimm0 > lrwxrwxrwx 1 root root 0 Sep 26 18:15 dimm3 -> ../../../devices/system/edac/mc/mc0/dimm3 > lrwxrwxrwx 1 root root 0 Sep 26 18:15 dimm6 -> ../../../devices/system/edac/mc/mc0/dimm6 > lrwxrwxrwx 1 root root 0 Sep 26 18:15 dimm9 -> ../../../devices/system/edac/mc/mc0/dimm9 > lrwxrwxrwx 1 root root 0 Sep 26 18:15 mc -> ../../../devices/system/edac/mc > lrwxrwxrwx 1 root root 0 Sep 26 18:15 mc0 -> ../../../devices/system/edac/mc/mc0 > Ok. Yeah, probably some changes at the driver's core made that bus thing obsolete. Or maybe it is there to allow unbind/remove the edac driver. Had you test it with KASAN and tried to unbind/remove the EDAC driver? Thanks, Mauro