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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,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 B3C7FECDE44 for ; Mon, 5 Nov 2018 07:06:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 778EB204FD for ; Mon, 5 Nov 2018 07:06:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="pJhcH+gD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 778EB204FD 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-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729518AbeKEQYM (ORCPT ); Mon, 5 Nov 2018 11:24:12 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:43298 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729000AbeKEQYL (ORCPT ); Mon, 5 Nov 2018 11:24:11 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Transfer-Encoding :Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=rDlJU+avhBOOkAlmmbw6yFBIrMoK91VCCurFwfqfiPM=; b=pJhcH+gDkouRh20G82UFsRqTXf WobjTX8Qpj8VzhTdskRFkj4jSILYitBJE31qLdilKxhF0orYLw6nWIzUWW4bqm1A5o9sCNapazKQj PDWtrG69fB/AYPeUEeTvKGz4pIVjWCMaA0oEhq+E4OWw5LH6noPJyL8FGmqAugfdVl9Qongik7xrw bGkdhwv/QThwdZvxbvJlM5F4zzgqNtpQhgOXvQtdX35IQS6D5AU7oMMkq8Rns0s2bvcziMI6d4tlQ LP1oHCFOlz9SUyug1DzUvwk0OHnXVBrfbyb1fnzHDuzfSz3QyJovNmQ4/IWAOI+AQAfenRE3Jbn9v wVfoggpA==; Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1gJYxM-0003CI-2o; Mon, 05 Nov 2018 07:05:52 +0000 Date: Sun, 4 Nov 2018 23:05:51 -0800 From: Christoph Hellwig To: Vincent Chen Cc: palmer@sifive.com, aou@eecs.berkeley.edu, zong@andestech.com, arnd@arndb.de, alankao@andestech.com, greentime@andestech.com, linux-kernel@vger.kernel.org, kito@andestech.com, linux-riscv@lists.infradead.org, deanbo422@gmail.com Subject: Re: [RFC 0/2] RISC-V: A proposal to add vendor-specific code Message-ID: <20181105070551.GA7274@infradead.org> References: <20181101174857.du2zu4vnrhpu5asf@excalibur.cnev.de> <20181105065807.GA1286@andestech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20181105065807.GA1286@andestech.com> User-Agent: Mutt/1.9.2 (2017-12-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 05, 2018 at 02:58:07PM +0800, Vincent Chen wrote: > Many thanks for kinds of comments. I quickly synthesize the comments and > list them as below. > 1. The kernel image shall include all vendor-specific code. I fundamentally disagree with this… and think it should be the contrary. 1. The kernel shall support no vendor specific instructions whatsoever, period.