linux-kernel - Re: [RFC] arm64: Early printk support for virtio-mmio console devices.

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Message-ID: <CAFEAcA_vdXbtK=U2gauC=DsrB=_cSfcUTaNCiB0Ts4YOq_pXEg@mail.gmail.com>
Date:	Fri, 19 Apr 2013 17:33:18 +0100
From:	Peter Maydell <peter.maydell@...aro.org>
To:	Catalin Marinas <catalin.marinas@....com>
Cc:	Will Deacon <Will.Deacon@....com>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	Patch Tracking <patches@...aro.org>,
	Marc Zyngier <Marc.Zyngier@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kvmarm@...ts.cs.columbia.edu" <kvmarm@...ts.cs.columbia.edu>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Pranavkumar Sawargaonkar <pranavkumar@...aro.org>
Subject: Re: [RFC] arm64: Early printk support for virtio-mmio console devices.

On 19 April 2013 17:22, Catalin Marinas <catalin.marinas@....com> wrote:
> earlyprintk is used for debugging early problems, like DT parsing. You
> don't have to use it unless you are debugging something. Without
> earlyprintk you just get a normal console during boot, based on the DT
> description.

The command line lives in the DTB anyway so if you can't look
in the DTB you can't get at earlyprintk config either way.

-- PMM
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