From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-2031460-1517081270-2-9634051325839388010 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, DATE_IN_PAST_24_48 1.34, HEADER_FROM_DIFFERENT_DOMAINS 0.001, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='com', MailFrom='org' X-Spam-charsets: plain='utf-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1517081269; b=URzhizuc9sK1Pl15hFmvIgJVNiilywLNEUZeICCeR863ohj hj8oFC76B42p2GNQpd8CHEtpvzW2ak4fNZC1USoeXT/APPnmfWfp1rsgmha52Dqa WTDGvLLNY+56Fy87jJyZ9VPj1TNHQVcGbEquzKD3VsMCsiEfRLrMPHnsNYo3t5S4 Jp2SbUTCTbmIG4ROtTxVv5umu+tD9j+U2sOosLd8x4A0p4F2vVoy3t1HimbE9ErJ wQxQzPWu82GkknhFB/4B3lRMXoyEWx0GWhE8FsXnOPayRkm7hBb6OPZ6seRAO3Dv 7vo/G4i1pnJ5LljXWcln3Lq1dLtFZzmRG0JB0TA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=subject:to:cc:references:from:message-id :date:mime-version:in-reply-to:content-type :content-transfer-encoding:sender:list-id; s=arctest; t= 1517081269; bh=Vih9RrakvP+X4IMZnJJj8oU4U2SS9AkrgrrUVRI7rhI=; b=g zV6pNa0N3gxoucACE5yL19ez/lUkg9MTq9WGmOhZDWjpSmsyQewzDhA6zCCnM4P3 vPJ1JgXtSJcIE3VAy8tlThzSd/VvBPJXs+USu4iQptH/JQaJmhsU0ofM8f1bDSaI d6p3pQYi0IRPOCZJ8muFQqJvWmMW3Ts6ESWiuHUuLfBhzVPozlTcGyzzR3WXWFZz 42t491TvAEu4JlRiJkrbKPgKeBD9QaWA+QSKXPKtMSYtDOqWv50lFc7LZzh7OGuF mdj1BZRWtALUeB0o9+r0sEpoXaujJk+kcMaPgNdiC8hiZxBDwWuam0KZ990g0WdS KasTrURkbc+e1OlOxIYGg== ARC-Authentication-Results: i=1; mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=suse.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=suse.com header.result=pass header_is_org_domain=yes Authentication-Results: mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=suse.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=suse.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752525AbeA0T1r (ORCPT ); Sat, 27 Jan 2018 14:27:47 -0500 Received: from mx2.suse.de ([195.135.220.15]:57613 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751940AbeA0T1q (ORCPT ); Sat, 27 Jan 2018 14:27:46 -0500 Subject: Re: [PATCH v2 1/2] x86/acpi: add retrieval function for rsdp address To: Andy Shevchenko Cc: Linux Kernel Mailing List , ACPI Devel Maling List , xen-devel@lists.xenproject.org, Len Brown , "Rafael J. Wysocki" , Ingo Molnar , Boris Ostrovsky , stable@vger.kernel.org References: <20180125143639.9969-1-jgross@suse.com> <20180125143639.9969-2-jgross@suse.com> From: Juergen Gross Message-ID: Date: Fri, 26 Jan 2018 19:21:13 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On 26/01/18 19:08, Andy Shevchenko wrote: > On Thu, Jan 25, 2018 at 4:36 PM, Juergen Gross wrote: >> Add a function to get the address of the RSDP table. Per default use a >> __weak annotated function being a nop. > > The problem with weak functions that we can't have more than one > implementation per kernel while we would like to built several code > paths. > > I have stumbled on the similar stuff and realize that. > > Perhaps, one of the solution is to have an additional struct under > x86_init to alternate ACPI related stuff. I think we can go that route when another user of that interface is appearing. Juergen