From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C8897C43218 for ; Fri, 26 Apr 2019 06:21:41 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A0959206BA for ; Fri, 26 Apr 2019 06:21:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="usbf+PnT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A0959206BA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ALs/QWX/mOKiTvQQft0kGC//exEbdgJBfw+qQ+flbes=; b=usbf+PnTWNRgKW o5QBVYT6e8COTqIv14HWXgXXbPMF7EdxTeGbBTXyHyxAoUKz0h84MWxSGhlfLfxMVFBq7WsbKoQUI eRknMOAe3IN1WW3blpiGvmyEASOrwNZsUlxWBFUv16LMaFrBLa8nGljymtr+966SqTFBUeOZm7eDF MNedpjwe+WzzY4sgKspFn8IkPFdIxQbY7rCdQmncsUjlOzaTk3sMiHvxkZTce5BU+WyQC3+g0wig7 IZNGUa3b3oV5wJgSBkiQSoH+OcZbmeMNP6E8b6kOC64AU9NyPZwzc5X+gEKgqv8SQZV9dD/EOOUHF 72/2sXhBdGaXY1esNucg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hJuEp-0000D1-2m; Fri, 26 Apr 2019 06:21:35 +0000 Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1hJuEn-0000CS-8B; Fri, 26 Apr 2019 06:21:33 +0000 Date: Thu, 25 Apr 2019 23:21:33 -0700 From: Christoph Hellwig To: Atish Patra Subject: Re: [PATCH] tty: Don't force RISCV SBI console as preferred console Message-ID: <20190426062133.GA28529@infradead.org> References: <20190425133435.56065-1-anup.patel@wdc.com> <9a8be7ef-e62e-2a93-9170-e3dc70dfb25f@wdc.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <9a8be7ef-e62e-2a93-9170-e3dc70dfb25f@wdc.com> User-Agent: Mutt/1.9.2 (2017-12-15) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Palmer Dabbelt , Greg Kroah-Hartman , Anup Patel , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , Christoph Hellwig , Albert Ou , Jiri Slaby , "linux-riscv@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On Thu, Apr 25, 2019 at 09:41:21PM -0700, Atish Patra wrote: > Do we even need HVC_SBI console to be enabled by default? Disabling > CONFIG_HVC_RISCV_SBI seems to be fine while running in QEMU. > > If we don't need it, I suggest we should remove the config option from > defconfig in addition to this patch. I think the whole concept of the SBI console is a little dangerous. It means that for one piece of physical hardware (usually the uart) we have two entiries (the M-mode firmware and the OS) in control, which tends to rarely end well. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv