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=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 93DB8C2D0A3 for ; Wed, 4 Nov 2020 23:19:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3E10B20786 for ; Wed, 4 Nov 2020 23:19:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="oVOf4hGd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732637AbgKDXTb (ORCPT ); Wed, 4 Nov 2020 18:19:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732634AbgKDXT3 (ORCPT ); Wed, 4 Nov 2020 18:19:29 -0500 Received: from mail-wr1-x44a.google.com (mail-wr1-x44a.google.com [IPv6:2a00:1450:4864:20::44a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E51A5C0613D2 for ; Wed, 4 Nov 2020 15:19:26 -0800 (PST) Received: by mail-wr1-x44a.google.com with SMTP id p12so49603wrx.3 for ; Wed, 04 Nov 2020 15:19:26 -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=Sy6BvWdNS0zjXQiflbFd/HmI5xZS6ylM1lYk0zN7bgc=; b=oVOf4hGd0AFUpYHuVm2bbign6nHRWolcZwyLGwFgY79eiGA40WA026JsLxFYnaMRE7 7Qem6yGDs0EHmGnM6hkyMzEZRilHhE4uuoTGoNFI8kk/PWDT3yde4UScHLCdSurvd0q0 PTjbFlCgFa1xinn/DonMGmZg9d7ox7TjjC2ckWrFCXprqFFkcqatr0L0ezoe6qUJqbZh /cbDHfQ3hOdkE4KA4ND1K9oqEpcDGgiUND1+0+5V3MK1p7sVvMmsZSzZh8e1MjDx+Ela Kt9TS7lx5nG+ua/Ca7UbdTEz6mPxPjgpJW9u9r9i4Y7KO5KjqhmfHOlpJVlVTuKZV5Ld s8eQ== 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=Sy6BvWdNS0zjXQiflbFd/HmI5xZS6ylM1lYk0zN7bgc=; b=HzIIFoBbet0iij2EKp1k8a2mT7TnngpOjyzG1pcHNt375OI7gUKEu3/WZ+aEXWuAel D7NLLi9nDP/EDGJJPDI/MnSVu8JpkS281jH0GnoKo4bUq6DPM86P31AjRaTOV1Bbf/z3 85sF2hzEDzdaikXhQBB018a2y7lOiQh1NTJMazBVR7hLiGtEGucCGcDe2vk4Luynrlfr +KZF369Q/+NLHHFFcc434cdBjmCvJJdtKXFNsNE4x3fAL44wtQDLKBjzhBFZ/SxpSboz 7zOLPvA3CLycqcZqHRMHu+qugiaT2erORYG+m7XuMVo+Fh1AE488uV6DKRWlFss7QVhk lo1w== X-Gm-Message-State: AOAM53145j0OXQnOjLeOlUndHn2yaRE/GyCOdO3Y3RAgeih2zkScIM7H Ez058VZzDhTg0GJZ4e+/RmiPX8ZiUmQ4j3nc X-Google-Smtp-Source: ABdhPJzZ9KOcFwhWSCq7ThJthNaAtBBIIUJFB1KG0jE/KHPv0qGyNAKK4rhNYpc/h459aUe6dxs9fGZqdihpkt/y 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:309:: with SMTP id 9mr83914wmd.80.1604531965449; Wed, 04 Nov 2020 15:19:25 -0800 (PST) Date: Thu, 5 Nov 2020 00:18:23 +0100 In-Reply-To: Message-Id: <88fb34d65d1ff22472a9a2ba6758203ce1bcfca9.1604531793.git.andreyknvl@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.29.1.341.ge80a0c044ae-goog Subject: [PATCH v8 08/43] 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 -- 2.29.1.341.ge80a0c044ae-goog