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=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 3C829C43441 for ; Fri, 23 Nov 2018 18:31:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0D98420824 for ; Fri, 23 Nov 2018 18:31:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0D98420824 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com 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 S2387741AbeKXFQk (ORCPT ); Sat, 24 Nov 2018 00:16:40 -0500 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:50908 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729205AbeKXFQk (ORCPT ); Sat, 24 Nov 2018 00:16:40 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9CBB73618; Fri, 23 Nov 2018 10:31:16 -0800 (PST) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 6D8823F5CF; Fri, 23 Nov 2018 10:31:16 -0800 (PST) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id DBAA21AE1019; Fri, 23 Nov 2018 18:31:32 +0000 (GMT) Date: Fri, 23 Nov 2018 18:31:32 +0000 From: Will Deacon To: Marc Zyngier Cc: Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] scripts/decodecode: Set ARCH when running natively on arm/arm64 Message-ID: <20181123183132.GC21183@arm.com> References: <20181122121440.74913-1-marc.zyngier@arm.com> <20181122121440.74913-2-marc.zyngier@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181122121440.74913-2-marc.zyngier@arm.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 22, 2018 at 12:14:39PM +0000, Marc Zyngier wrote: > When running decodecode natively on arm64, ARCH is likely not to be set, > and we end-up with .4byte instead of .inst when generating the disassembly. > > Similar effects would occur if running natively on a 32bit ARM platform, > although that's even less popular. > > A simple workaround is to populate ARCH when it is not set and that we're > running on an arm/arm64 system. > > Signed-off-by: Marc Zyngier > --- > scripts/decodecode | 7 +++++++ > 1 file changed, 7 insertions(+) Acked-by: Will Deacon Will