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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=no 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 7071BC18E5B for ; Tue, 17 Mar 2020 10:22:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A76820658 for ; Tue, 17 Mar 2020 10:22:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584440573; bh=3JhdNYW35Xr7cHItOJ5k+T6/2/lATLnR5LeNQ/kmzqQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=wX8HJyf/v4yRxb3jr0sDLH0Zqm4eeIg3wfyTFcMSRrfSsRRztXnEanwhNXZUx/b8J Mrc0Zz9WP+/lPuXNQtzVMhqXT66hVw1H2nY+uzQSDojvKskX5r60CBzkp4kvxr6MSD i4/sPJZ+HU+sQXbEphncOoDii21jqcWWo3wJR4Yw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726077AbgCQKWx (ORCPT ); Tue, 17 Mar 2020 06:22:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:53410 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725730AbgCQKWw (ORCPT ); Tue, 17 Mar 2020 06:22:52 -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 B82D3205ED; Tue, 17 Mar 2020 10:22:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584440572; bh=3JhdNYW35Xr7cHItOJ5k+T6/2/lATLnR5LeNQ/kmzqQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ZEAsPeRiKFScbRUEAjJzdfuOTDSm/yKlJrtz84TKJKzeqEsVKi5cPStIAg4wbA7wk +4QEMjYV9+OpLSVA0brQzzDOLlRCuyAg5KuhBmloFa5fbvPH0mZhkWHF+gqNKMD+Mx Er6BDZZ6SxNhW3g2CcE3EEpXQVBovZm0IzpGFy9E= Date: Tue, 17 Mar 2020 11:22:49 +0100 From: Greg KH To: Manali K Shukla Cc: bp@alien8.de, linux-edac@vger.kernel.org, mchehab@kernel.org, linux-kernel@vger.kernel.org, xe-linux-external@cisco.com, Borislav Petkov , Aristeu Rozanski Filho , Justin Ernst , Russ Anderson , Tony Luck Subject: Re: [ PATCH stable v4.19] EDAC: Drop per-memory controller buses Message-ID: <20200317102249.GC1130294@kroah.com> References: <20200312052201.49456-1-manashuk@cisco.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20200312052201.49456-1-manashuk@cisco.com> Sender: linux-edac-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org On Wed, Mar 11, 2020 at 10:22:01PM -0700, Manali K Shukla wrote: > From: Borislav Petkov > > upstream 861e6ed667c83d64a42b0db41a22d6b4de4e913f commit > > ... and use the single edac_subsys object returned from > subsys_system_register(). The idea is to have a single bus > and multiple devices on it. > > Signed-off-by: Borislav Petkov > Acked-by: Mauro Carvalho Chehab > CC: Aristeu Rozanski Filho > CC: Greg KH > CC: Justin Ernst > CC: linux-edac > CC: Mauro Carvalho Chehab > CC: Russ Anderson > Cc: Tony Luck > Link: https://lkml.kernel.org/r/20180926152752.GG5584@zn.tnic > [Manali: backport to v4.19 -stable : > - removing per-MC bus, this enables to get rid of memory controllers > maximum number notion > - value of max number of memory controllers is 2 * MAX_NUMNODES. On two nodes system MAX_NUMNODES value is ‘1’ and > so value of max number of memory controller becomes ‘2’, this patch fixes this issue when there are only 2 nodes on the system > and number of memory controllers are more than ‘2’] > (cherry picked from commit 861e6ed667c83d64a42b0db41a22d6b4de4e913f) > Signed-off-by: Manali K Shukla Why is this a patch for the stable trees? What problem does it solve? thanks, greg k-h-