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=-5.1 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, T_DKIM_INVALID,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 AD0A0ECE562 for ; Fri, 21 Sep 2018 06:58:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 414162150F for ; Fri, 21 Sep 2018 06:58:11 +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="gP/D4wsY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 414162150F 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 S2389294AbeIUMpi (ORCPT ); Fri, 21 Sep 2018 08:45:38 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:36988 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388909AbeIUMpi (ORCPT ); Fri, 21 Sep 2018 08:45:38 -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=ztEZGenQ9hqJNbL3xUezLpt5k3LQdxIMEwxQy3h+6Qc=; b=gP/D4wsYfIxFo9ELR6PalDxvj 6syG9FhUfqRKaXVx5YMog7yhZPQCOY90FPwBl/KCePzCFvpd8SI9XyyFH1oYe2SWbFDax1rbt9blP 8YOlmMayI3tdunSQmyr8S+3Mu0VjpD5aZTs3URJCOneYmNlf9pwOEHD50f8q4HGB07OcovAyb/Pdk Jev61KxVDP1fHqpZ4gSscidCTRWaOsI3WYVrubaGi7fwgVXaOltZgK82V7Qm3b0jAzQVM312Dhe1X cu+2Vk+3glOi/r5OWRBMNnlyldKROPtsNAE6xEutnnubLZMqhly2j9YPVoZyRFwDj4xylU7qLl0Te NrJPYxpow==; Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1g3FOA-0003mu-R0; Fri, 21 Sep 2018 06:58:06 +0000 Date: Thu, 20 Sep 2018 23:58:06 -0700 From: Christoph Hellwig To: Zong Li Cc: palmer@sifive.com, aou@eecs.berkeley.edu, vincentc@andestech.com, zong@andestech.com, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/5] RISC-V: Build tishift only on 64-bit Message-ID: <20180921065806.GA8401@infradead.org> References: <40c77db9ee2d23479ff90f2658539d29d7a30896.1537260207.git.zongbox@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <40c77db9ee2d23479ff90f2658539d29d7a30896.1537260207.git.zongbox@gmail.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 Tue, Sep 18, 2018 at 05:19:13PM +0800, Zong Li wrote: > Only RV64 supports 128 integer size. > > Signed-off-by: Zong Li This looks fine. Just curious, what do we even need 128-bit integers for on riscv64? Did you see any issues if you drop it entirely? From mboxrd@z Thu Jan 1 00:00:00 1970 From: hch@infradead.org (Christoph Hellwig) Date: Thu, 20 Sep 2018 23:58:06 -0700 Subject: [PATCH 1/5] RISC-V: Build tishift only on 64-bit In-Reply-To: <40c77db9ee2d23479ff90f2658539d29d7a30896.1537260207.git.zongbox@gmail.com> References: <40c77db9ee2d23479ff90f2658539d29d7a30896.1537260207.git.zongbox@gmail.com> Message-ID: <20180921065806.GA8401@infradead.org> To: linux-riscv@lists.infradead.org List-Id: linux-riscv.lists.infradead.org On Tue, Sep 18, 2018 at 05:19:13PM +0800, Zong Li wrote: > Only RV64 supports 128 integer size. > > Signed-off-by: Zong Li This looks fine. Just curious, what do we even need 128-bit integers for on riscv64? Did you see any issues if you drop it entirely?