Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754899Ab3DZPTh (ORCPT ); Fri, 26 Apr 2013 11:19:37 -0400 Received: from mail-lb0-f172.google.com ([209.85.217.172]:35870 "EHLO mail-lb0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752423Ab3DZPTg (ORCPT ); Fri, 26 Apr 2013 11:19:36 -0400 MIME-Version: 1.0 In-Reply-To: <1577576.O1Cm2pf5KD@wuerfel> References: <1366974299-17877-1-git-send-email-pranavkumar@linaro.org> <1577576.O1Cm2pf5KD@wuerfel> From: Peter Maydell Date: Fri, 26 Apr 2013 16:19:13 +0100 Message-ID: Subject: Re: [PATCH 0/2] Early printk support for virtio console devices. To: Arnd Bergmann Cc: linaro-kernel@lists.linaro.org, Anup Patel , patches@linaro.org, "linux-kernel@vger.kernel.org List" , Alexander Graf , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 710 Lines: 19 On 26 April 2013 13:33, Arnd Bergmann wrote: > Couldn't kvmtool implement the interface used by smh_printch() > for early output instead? > > Or if that's not a fitting inteface, maybe a psci call for writing > a character to the console? I suggested that earlier: https://lists.cs.columbia.edu/pipermail/kvmarm/2013-April/005433.html and Alex pointed out that s390-virtio experience with that approach is that it's awkward for userspace. -- PMM -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/