From mboxrd@z Thu Jan 1 00:00:00 1970 From: Prarit Bhargava Subject: Re: [PATCH] acpi, spcr: Make SPCR available to x86 Date: Mon, 12 Feb 2018 10:54:41 -0500 Message-ID: <3299be7d-66cf-1116-042b-8c68c9b401af@redhat.com> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: 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 In-Reply-To: <20180212154434.GX25201@hirez.programming.kicks-ass.net> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Peter Zijlstra 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 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. From mboxrd@z Thu Jan 1 00:00:00 1970 From: prarit@redhat.com (Prarit Bhargava) Date: Mon, 12 Feb 2018 10:54:41 -0500 Subject: [PATCH] acpi, spcr: Make SPCR available to x86 In-Reply-To: <20180212154434.GX25201@hirez.programming.kicks-ass.net> 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> Message-ID: <3299be7d-66cf-1116-042b-8c68c9b401af@redhat.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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.