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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 C7A40C28CBC for ; Wed, 6 May 2020 10:35:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B2D8A20663 for ; Wed, 6 May 2020 10:35:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728338AbgEFKfE (ORCPT ); Wed, 6 May 2020 06:35:04 -0400 Received: from foss.arm.com ([217.140.110.172]:33366 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728890AbgEFKfD (ORCPT ); Wed, 6 May 2020 06:35:03 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 811531FB; Wed, 6 May 2020 03:35:03 -0700 (PDT) Received: from arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9B6943F71F; Wed, 6 May 2020 03:35:02 -0700 (PDT) Date: Wed, 6 May 2020 11:35:00 +0100 From: Dave Martin To: "Michael Kerrisk (man-pages)" Cc: Russell King , Catalin Marinas , Will Deacon , linux-man@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 2/2] syscall.2: arm64: Fix syscall number register size Message-ID: <20200506103500.GT30377@arm.com> References: <1588692280-15878-1-git-send-email-Dave.Martin@arm.com> <1588692280-15878-3-git-send-email-Dave.Martin@arm.com> <82affb91-8aa9-0316-421a-3ce503e396e0@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <82affb91-8aa9-0316-421a-3ce503e396e0@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-man-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org On Wed, May 06, 2020 at 12:16:07PM +0200, Michael Kerrisk (man-pages) wrote: > On 5/5/20 5:24 PM, Dave Martin wrote: > > arm64 is currently documented as receiving the syscall number in > > x8. > > > > While this is the correct register, the syscall number is a 32-bit > > integer. Bits [63:32] are ignored by the kernel. > > > > So it is more correct to say "w8". > > Thanks, Dave. Patch applied, with Will's Acked-by. > > Cheers, > > Michael Thanks! ---Dave