From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1671812-1518451098-2-3179287065939973226 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no ("Email failed DMARC policy for domain") X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, 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='windows-1252' X-IgnoreVacation: yes ("Email failed DMARC policy for domain") X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: linux-serial-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1518451094; b=aQI35h6q0o2mMjdVX34JjR6h8aDUZE91CxM6Nh0xXY8YpDB 2BHd3DdcP/i1OdMMMG/0Iiyu08U58uhbeO7c9kwILShDJp72OSvB4TBrwNj78xr7 lOWpNjAeIQE61bvXJZHvVYToIAz1EvUF5t7etAZhFGRM3Ig/MaivUH6HNzbOyuvO COg4B3JmQ+l9p/XoAB1BTQl+MKJi1g8JCnfatBQogD85ONjOr4GBrFyrg9OnmE9q PgeyrxBdKRNbhCi7FgpQDfZcJiQ3T7vUucPxukhxC6R7aUZXc9GOs5J8epXRYzsw JVd9iXnS8u0ARU3oJK2TMSQmzn4CI3vcVszwESQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=subject:to:references:cc:from:message-id :date:mime-version:in-reply-to:content-type :content-transfer-encoding:sender:list-id; s=arctest; t= 1518451094; bh=7/XiQdpV21NcW4aPBLD28CIXlmo4Mk7yk/5kXEC+z68=; b=h wB8f6H5S2iMDN6ss+Zcj+nuME1ZQx02Gta7hHFpcmmZziBsdQ2qwDKNx9dkyNU5V BUb8E5cXoUbsSOVVXgFZ2YSpPleNjCPQdSxdOPz7ZzzONd4vcjOiffBwq21QwcK3 MkV46Sg9Zs2v6nrcx9i7CBBdI6l0ID7Tp42WDPr3tg/sAoYewaCma8EIJXzhMgAh fPmA4Ugqfsl/9AbleRwXyCQ3PEjNQocmRsncRIUJPMw9beSMhHBKzZBzdkVxUCsb 8SGO3q4bwM0982i2WLWi3IJya9tr42JqbwBgavl67hqL1TjOV5xWR1ym7HWcElP7 Gk3kWWqke7aIT6JUKzcjA== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=fail (p=none,has-list-id=yes,d=none) header.from=redhat.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-serial-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=redhat.com header.result=pass header_is_org_domain=yes Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=fail (p=none,has-list-id=yes,d=none) header.from=redhat.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-serial-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=redhat.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932730AbeBLPyp (ORCPT ); Mon, 12 Feb 2018 10:54:45 -0500 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:56016 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932236AbeBLPyn (ORCPT ); Mon, 12 Feb 2018 10:54:43 -0500 Subject: Re: [PATCH] acpi, spcr: Make SPCR available to x86 To: Peter Zijlstra References: <20180118150951.28964-1-prarit@redhat.com> <20180212133429.GC25314@hirez.programming.kicks-ass.net> <1e69fffc-1c3b-8cc0-f1cb-695de5ccdcb5@redhat.com> <20180212145652.GM25181@hirez.programming.kicks-ass.net> <03e799c6-a0f3-eccf-882d-78205e9335ad@redhat.com> <20180212154434.GX25201@hirez.programming.kicks-ass.net> Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-serial@vger.kernel.org, Bhupesh Sharma , Lv Zheng , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Jonathan Corbet , Catalin Marinas , Will Deacon , Timur Tabi , graeme.gregory@linaro.org, mark.salter@redhat.com From: Prarit Bhargava Message-ID: <3299be7d-66cf-1116-042b-8c68c9b401af@redhat.com> Date: Mon, 12 Feb 2018 10:54:41 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 MIME-Version: 1.0 In-Reply-To: <20180212154434.GX25201@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-serial-owner@vger.kernel.org X-Mailing-List: linux-serial@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On 02/12/2018 10:44 AM, Peter Zijlstra wrote: > On Mon, Feb 12, 2018 at 10:18:06AM -0500, Prarit Bhargava wrote: >>> But when I specify "earlyprintk=serial,ttyS0,115200" this SPCR crud will >>> not interfere? >>> >> >> I tested "earlyprintk=serial,ttyS0,115200" on a system which is known to have a >> functional console with "console=ttyS0,1152008N1" both with and without >> CONFIG_ACPI_SPCR_TABLE enabled. > > OK, but my point was that SPCR will never override explicit earlyprintk > stuff. There is absolutely nothing worse than breaking working setups. > Oh, I see. SPCR will not override earlyprintk config. P.