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=-0.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 8D0C3C5CFFE for ; Mon, 10 Dec 2018 19:54:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 54ACA20821 for ; Mon, 10 Dec 2018 19:54:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 54ACA20821 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 S1729582AbeLJTyj (ORCPT ); Mon, 10 Dec 2018 14:54:39 -0500 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:33692 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729034AbeLJTyg (ORCPT ); Mon, 10 Dec 2018 14:54:36 -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 C6D20EBD; Mon, 10 Dec 2018 11:54:35 -0800 (PST) Received: from [10.1.197.21] (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id AEC033F59C; Mon, 10 Dec 2018 11:54:28 -0800 (PST) Subject: Re: [PATCH v6 02/13] arm64: add pointer authentication register bits To: Richard Henderson Cc: linux-arm-kernel@lists.infradead.org, Adam Wallis , Amit Kachhap , Andrew Jones , Ard Biesheuvel , Catalin Marinas , Christoffer Dall , Cyrill Gorcunov , Dave P Martin , Jacob Bramley , Kees Cook , Marc Zyngier , Mark Rutland , Ramana Radhakrishnan , Suzuki K Poulose , Will Deacon , kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org References: <20181207183931.4285-1-kristina.martsenko@arm.com> <20181207183931.4285-3-kristina.martsenko@arm.com> From: Kristina Martsenko Message-ID: <1e72484b-f89f-eacd-1976-14fdf6f23e26@arm.com> Date: Mon, 10 Dec 2018 19:54:25 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/12/2018 14:24, Richard Henderson wrote: > On 12/7/18 12:39 PM, Kristina Martsenko wrote: >> #define SCTLR_ELx_DSSBS (1UL << 44) >> +#define SCTLR_ELx_ENIA (1 << 31) > > 1U or 1UL lest you produce signed -0x80000000. Thanks, this was setting all SCTLR bits above 31 as well... Now fixed. > Otherwise, > Reviewed-by: Richard Henderson Thanks for all the review! Kristina