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=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=unavailable 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 21BC9C4742C for ; Tue, 10 Nov 2020 22:14:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D5A1D20637 for ; Tue, 10 Nov 2020 22:14:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="l7Hc/vzP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732350AbgKJWLb (ORCPT ); Tue, 10 Nov 2020 17:11:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48346 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732312AbgKJWL1 (ORCPT ); Tue, 10 Nov 2020 17:11:27 -0500 Received: from mail-wm1-x34a.google.com (mail-wm1-x34a.google.com [IPv6:2a00:1450:4864:20::34a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6159C0613D3 for ; Tue, 10 Nov 2020 14:11:26 -0800 (PST) Received: by mail-wm1-x34a.google.com with SMTP id k128so1852220wme.7 for ; Tue, 10 Nov 2020 14:11:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=6f9VU8cnKdC26HiWZCbo7yiQNGjM3ZLFH75+rhjhEuo=; b=l7Hc/vzPC33aK0F2FIwgATKyemADk7tdOmZrpOP8l2NozmNU7dTMYzx+4npCt0feKi KSOilVDVHDm8DsTkYgDpTg3kYxyhwKNlGfWXXNQ6swfPw/DeVNxT9uawaPbUBhXG5GIe ipA5298LKMh3NZpmggt8K/fCNgHnqV5XmgvaK1KfYzpWYL4ay11vVxxhut2NLg6THaeP enxKse/CPfgSp7EVWaAXGZymqT77ntW7tWS5U2WPjdll03kJx6j+ZI3ZeZkB6hM+wgWQ 3uesvOfapoVmF5T8WxbmKBg+rhoo0TcqjyqMS30GmS8JAGED4uLACabPMwPgeA9S5NwI 9ChQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=6f9VU8cnKdC26HiWZCbo7yiQNGjM3ZLFH75+rhjhEuo=; b=FrhhHSZ5ChKBpFbAThKrsznxC09nHd57HEH6jQ7l54Yronu7BsHPJPk0XmD3Bo4Nk3 hDHuV+vzIz2qewk8GPlGrQ3qQK6ZF3t9zlEiHu8mGe3oZ38u12dZ+Vr0czUd40GEBOu6 gvVZrQGS2QS+4lb5oGxav5hGCcQMaGAtDagHyP8VqBtB+rgndW9ImYYlESm81uN+EZob 8AVVxrN86A73qG8ZE1HGsJlk3wUssA5JKMu2wGgZwm0j52M0kRiS+v29PT53lxsw2X06 twqrk4cEU7ftTlrRDer9iB+6dHxov3RfJGGkS7Dkn0zn7t6x1DniZtBw2Uc2rtTa4N7u Fz5g== X-Gm-Message-State: AOAM530SUDWlDZC8zha0FJa3BjZqlW/uQG5d80ZxQy+AiJJDo3VymWBf 4ZA6jFFF1rvJvvRQNA/oXri2c0mPXMBA1g0V X-Google-Smtp-Source: ABdhPJzzHYnhIMVYTBo48dWfa01YIUeKy05HkzFxcXPTRtXwbOHLJwDIYk0OW4nPWTiw0rh1kN+BALAEOKuM2KHX Sender: "andreyknvl via sendgmr" X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:a1c:a5d8:: with SMTP id o207mr283775wme.0.1605046285365; Tue, 10 Nov 2020 14:11:25 -0800 (PST) Date: Tue, 10 Nov 2020 23:10:05 +0100 In-Reply-To: Message-Id: <8f1316319d050f2019e03dac28a37ce1dd5206db.1605046192.git.andreyknvl@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.29.2.222.g5d2a92d10f8-goog Subject: [PATCH v9 08/44] kasan: only build init.c for software modes From: Andrey Konovalov To: Catalin Marinas Cc: Will Deacon , Vincenzo Frascino , Dmitry Vyukov , Andrey Ryabinin , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Branislav Rankov , Kevin Brodsky , Andrew Morton , kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a preparatory commit for the upcoming addition of a new hardware tag-based (MTE-based) KASAN mode. The new mode won't be using shadow memory, so only build init.c that contains shadow initialization code for software modes. No functional changes for software modes. Signed-off-by: Andrey Konovalov Signed-off-by: Vincenzo Frascino Reviewed-by: Marco Elver --- Change-Id: I8d68c47345afc1dbedadde738f34a874dcae5080 --- mm/kasan/Makefile | 6 +++--- mm/kasan/init.c | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/mm/kasan/Makefile b/mm/kasan/Makefile index 370d970e5ab5..7cf685bb51bd 100644 --- a/mm/kasan/Makefile +++ b/mm/kasan/Makefile @@ -29,6 +29,6 @@ CFLAGS_report.o := $(CC_FLAGS_KASAN_RUNTIME) CFLAGS_tags.o := $(CC_FLAGS_KASAN_RUNTIME) CFLAGS_tags_report.o := $(CC_FLAGS_KASAN_RUNTIME) -obj-$(CONFIG_KASAN) := common.o init.o report.o -obj-$(CONFIG_KASAN_GENERIC) += generic.o generic_report.o quarantine.o -obj-$(CONFIG_KASAN_SW_TAGS) += tags.o tags_report.o +obj-$(CONFIG_KASAN) := common.o report.o +obj-$(CONFIG_KASAN_GENERIC) += init.o generic.o generic_report.o quarantine.o +obj-$(CONFIG_KASAN_SW_TAGS) += init.o tags.o tags_report.o diff --git a/mm/kasan/init.c b/mm/kasan/init.c index dfddd6c39fe6..1a71eaa8c5f9 100644 --- a/mm/kasan/init.c +++ b/mm/kasan/init.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * This file contains some kasan initialization code. + * This file contains KASAN shadow initialization code. * * Copyright (c) 2015 Samsung Electronics Co., Ltd. * Author: Andrey Ryabinin -- 2.29.2.222.g5d2a92d10f8-goog