Received: by 2002:a05:6a10:d5a5:0:0:0:0 with SMTP id gn37csp402709pxb; Wed, 6 Oct 2021 07:24:46 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy9lMRazXjn8Rl138Vlk6Yx25PHbhHsFO4nuigb1BVyq2Tr+2DN03/cfrzoPFiBacDDfkHZ X-Received: by 2002:a05:6402:51d3:: with SMTP id r19mr35016639edd.60.1633530286223; Wed, 06 Oct 2021 07:24:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1633530286; cv=none; d=google.com; s=arc-20160816; b=LwbSy5WBOJJS8OMaf5+67P/EtbJicOKgjELohW730JtYpJ12OSgXej1twyAZMVzu1R 3ErxyfN7sCLccN7aa0V1UMI3UvSy+iQcyn9PwHenjle+/rpkGFCL7OlMqpAqhZm4p49I JIFl94GBvmn3hrRck/enmCFMO1MhyDGANzRD9QR+UpmHU2HLFMVMLZae1QlS48lWLFFm /6R9AuzO/XdhLX8SodHLkf+Kbq1oHiiLmdovy3E/yVz2nH0u9cc/n/dow8aOmBykMtUS F2G7m5mJsm0hTNPL22y5ztTvlyShtI8fZcgXyhp5So3aZ5tgYDOxUZ6nFclLr7RfLxWu /hbA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject; bh=ohvhA8TkYGwx1WO19Kid1C/JRXXLWrJzCZ7XLi6xYaY=; b=luKMKlw3PwQKQPl9EnCcZmL32Q+OQg51BQx4eZi/k5D/Y3R9kGaKB3eTJin49pKJdB ZD61qJjPyE6L41fMV+5E7YQaJafoZenNHS1GtCBvK6y2vovH/BJtQ5XlyII1TClOO5fc wrw7i+8Gb1eYAnwYU7dM3q4ATQ0/7KIqNKYzJXfycl3yj/43YUCziDtDympJTnoZSjtO jw1xyAnTA0UZ2DFgxDr606x5zwLeJb92VkfCVtdBO1Y9q25oWlKnJsgQL5ABT3+S22Cs tLuhTVDoVVYJZedTpgZhVtqowDWWjtGM+hGJX/9J0CKztUp7AidzMLUgoqla9sEY+j3g rd6Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id p12si20955069ejy.328.2021.10.06.07.24.21; Wed, 06 Oct 2021 07:24:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238844AbhJFOW5 (ORCPT + 99 others); Wed, 6 Oct 2021 10:22:57 -0400 Received: from foss.arm.com ([217.140.110.172]:56484 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231438AbhJFOW4 (ORCPT ); Wed, 6 Oct 2021 10:22:56 -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 078996D; Wed, 6 Oct 2021 07:21:04 -0700 (PDT) Received: from [10.57.43.152] (unknown [10.57.43.152]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E4CFC3F66F; Wed, 6 Oct 2021 07:21:00 -0700 (PDT) Subject: Re: [PATCH v2 4/5] arm64: mte: Add asymmetric mode support To: Andrey Konovalov Cc: Linux ARM , LKML , kasan-dev , Andrew Morton , Catalin Marinas , Will Deacon , Dmitry Vyukov , Andrey Ryabinin , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Branislav Rankov , Lorenzo Pieralisi References: <20211004202253.27857-1-vincenzo.frascino@arm.com> <20211004202253.27857-5-vincenzo.frascino@arm.com> From: Vincenzo Frascino Message-ID: <2d03d87b-5ea8-8b2a-eae6-ae70c7e9d855@arm.com> Date: Wed, 6 Oct 2021 16:21:17 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/6/21 2:19 PM, Andrey Konovalov wrote: >> + if (!system_uses_mte_async_mode()) >> + static_branch_enable(&mte_async_mode); > Using this variable and function here still looks confusing. Maybe > naming the variable mte_async_or_asymm_mode? Or > mte_async_fault_possible similarly to KASAN? > > mte_async_or_asymm_mode works for me. I will modify the code in v3. Thanks. -- Regards, Vincenzo