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=-11.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_IN_DEF_DKIM_WL 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 AC6BBC433DF for ; Tue, 20 Oct 2020 12:39:40 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id DCC0422265 for ; Tue, 20 Oct 2020 12:39:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="DY6DgfCc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DCC0422265 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1B50D6B0068; Tue, 20 Oct 2020 08:39:39 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 165BC6B006C; Tue, 20 Oct 2020 08:39:39 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 07C786B006E; Tue, 20 Oct 2020 08:39:39 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0131.hostedemail.com [216.40.44.131]) by kanga.kvack.org (Postfix) with ESMTP id CFFF36B0068 for ; Tue, 20 Oct 2020 08:39:38 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 48FC21EE6 for ; Tue, 20 Oct 2020 12:39:38 +0000 (UTC) X-FDA: 77392260036.07.flesh05_380e2242723f Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin07.hostedemail.com (Postfix) with ESMTP id 270BB1803F9A4 for ; Tue, 20 Oct 2020 12:39:38 +0000 (UTC) X-HE-Tag: flesh05_380e2242723f X-Filterd-Recvd-Size: 3951 Received: from mail-pg1-f194.google.com (mail-pg1-f194.google.com [209.85.215.194]) by imf43.hostedemail.com (Postfix) with ESMTP for ; Tue, 20 Oct 2020 12:39:37 +0000 (UTC) Received: by mail-pg1-f194.google.com with SMTP id n16so829566pgv.13 for ; Tue, 20 Oct 2020 05:39:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=LnygfgLF8jMqb/pqWEkYkyd5vX4PuOJ5AsXjq1S0C3k=; b=DY6DgfCcbCst8r9Iymwn9tp8rolyWYt7T5RwyTpTNjGgTRVKj6GVYdDJtviSU3RP49 3rcEwq+x92rZaKaaMvIyHhSBh9zeR9ROeRwVfkwo8c8Od2WDOwKwiRZrpRi4M0voxUUg UwU8uhCFzHDpFUn4n5329jMOukgLinJQ1dHCd6lC+CUNXLZFPyyx8RdXOlzKqaUVo3Jo 6qokjgixvqC4HVUr9JpDLTWzKLrwWf8gmY2/4unAFQoRsGzukr7zE4/QfYKnlaPsqN9l HxofoHXKYBWLRYplplYkQLiPubeLevkt67jcUBykCDs2YB5fMsly2J+0J24QBKoSvGdV mF6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=LnygfgLF8jMqb/pqWEkYkyd5vX4PuOJ5AsXjq1S0C3k=; b=DuOia68X826qLH/w+6c84v7Q4SdURv5aRINzxC3HGFSsfRJd/AB/IFPguGSZ/wDLfO SzwX21OTj7vSnuvDdYfCa+jA1oZONajDY3UkSnDPYeroIYuvPFaEGPWy6fZm45YYgn2A TkJuqvNrcw+j13uW84HPimTOyWuhqXi+ckUwT/TXda4zmgSuWykbujwWLa/71A22kIcy FUXGxW/dspx8jy/ABMoIyqCTRQ/Dwtf6P2iQmlk6bNM6QOG5C2P253u1Ai0fdqnoNb21 T4rnEmSTzHOG6YNi8d7r4ZGCE08zOeb1UEjwT9tC02DdRcA7FJcSosahqkrITdC3B+7i Cp4Q== X-Gm-Message-State: AOAM5304QzjcF2iG3Sr7eXQQ8tJjFOWlqZk9HGnppGSF/GCw/NeF9/tG ZGBOtpDOGqM1CDdl9gXcomLuId3SlDz1EPPT5tfDAw== X-Google-Smtp-Source: ABdhPJyxAhXDeanE5yrdeLhRf+0+xOYpa0lxAL/vZbreBeA6Gc2c1euRRQLhOk7MNdCCPHuuDFpfayyTw/qFXtFcatw= X-Received: by 2002:a62:ee10:0:b029:142:2501:3972 with SMTP id e16-20020a62ee100000b029014225013972mr2480974pfi.55.1603197575998; Tue, 20 Oct 2020 05:39:35 -0700 (PDT) MIME-Version: 1.0 References: <001de82050c77c5b49aab8ce2adcc7ed7d93e7ad.1602708025.git.andreyknvl@google.com> <20201020062248.1966-1-hdanton@sina.com> In-Reply-To: <20201020062248.1966-1-hdanton@sina.com> From: Andrey Konovalov Date: Tue, 20 Oct 2020 14:39:24 +0200 Message-ID: Subject: Re: [PATCH RFC 7/8] arm64: kasan: Add system_supports_tags helper To: Hillf Danton Cc: Catalin Marinas , Will Deacon , Vincenzo Frascino , Dmitry Vyukov , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Andrey Ryabinin , Elena Petrova , Branislav Rankov , Kevin Brodsky , Andrew Morton , kasan-dev , Linux ARM , Linux Memory Management List , LKML Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Oct 20, 2020 at 8:23 AM Hillf Danton wrote: > > On Wed, 14 Oct 2020 22:44:35 +0200 > > > > #ifdef CONFIG_KASAN_HW_TAGS > > +#define arch_system_supports_tags() system_supports_mte() > > s/system_supports/support/ in order to look more like the brother of > > > #define arch_init_tags(max_tag) mte_init_tags(max_tag) Well, init_tags() does initialize tags, but supports_tags() doesn't not enable support for tags, and rather returns its status. So using "support" here would be wrong from the English language standpoint.