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=-2.1 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, 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 B01F0C4321E for ; Mon, 10 Sep 2018 22:19:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5507A2086A for ; Mon, 10 Sep 2018 22:19:08 +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="DgRh1Nfx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5507A2086A 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 S1727006AbeIKDPQ (ORCPT ); Mon, 10 Sep 2018 23:15:16 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:40068 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726207AbeIKDPQ (ORCPT ); Mon, 10 Sep 2018 23:15:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding: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=Vo9DwQy7NclVgiXniEU3y4W6TCdFmgFynge4b1cmRG8=; b=DgRh1NfxH3kxxPOrvFQ2HoaOK td32TuwwqDBfX69qAyOHrtsizz+TlWn5SMKRW2bRQYbR1J2TicNAFvurQ0sMP62VphJ0XrR5DdvJj AZSKilO5WX7fC1pniB/3tChcpxF7vQNTaZ0UI7PIVSSbFpPqH3ecBnCNud8CnrDeNdO6aWNZ8fHP3 pmL3FJhO7Lk9oPl1vX2PhaowqtSPOMhz6Yx53XdU8nAkKnU9cnsfJjjPVldsrYwCoZxPfVEOO405/ sM8UPQY7kU0zHmqIiN+92k38OlnyizLlsB24WgrWjk4l/X2BbQsSG+tczy5KlYSmv+wQZd9oGNWZK aMBgVfmog==; Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1fzUWM-00026r-6i; Mon, 10 Sep 2018 22:19:02 +0000 Date: Mon, 10 Sep 2018 15:19:02 -0700 From: Christoph Hellwig To: Thomas Gleixner Cc: Anup Patel , Christoph Hellwig , Daniel Lezcano , Jason Cooper , Marc Zyngier , Palmer Dabbelt , "linux-kernel@vger.kernel.org List" , Atish Patra , Albert Ou , Palmer Dabbelt , linux-riscv@lists.infradead.org Subject: Re: [PATCH v2 3/5] irqchip: RISC-V Local Interrupt Controller Driver Message-ID: <20180910221902.GB7368@infradead.org> References: <20180910133902.GB21593@infradead.org> <20180910134915.GB30774@infradead.org> <20180910161143.GA1053@infradead.org> <20180910163936.GA18699@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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, Sep 10, 2018 at 09:37:59PM +0200, Thomas Gleixner wrote: > Processor local interrupts really should be architected and there are > really not that many of them. And that is what they are. > But well, RISC-V decided obvsiouly not to learn from mistakes made by > others. I don't think that is the case. I think Atup misreads what reserved means - if you look at section 2.3 of the RISC-V privileged spec it clearly states that reserved fields are for future use and not for vendor specific use.