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Peter Anvin" , x86@kernel.org, Jonathan Corbet , Catalin Marinas , Will Deacon , Timur Tabi , graeme.gregory@linaro.org, mark.salter@redhat.com Subject: Re: [PATCH] acpi, spcr: Make SPCR available to x86 Message-ID: <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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <03e799c6-a0f3-eccf-882d-78205e9335ad@redhat.com> User-Agent: Mutt/1.9.2 (2017-12-15) 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 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.