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 701AEC4727E for ; Thu, 1 Oct 2020 23:11:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3778C20739 for ; Thu, 1 Oct 2020 23:11:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="VZjFuEKc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387481AbgJAXLT (ORCPT ); Thu, 1 Oct 2020 19:11:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733227AbgJAXLC (ORCPT ); Thu, 1 Oct 2020 19:11:02 -0400 Received: from mail-qt1-x849.google.com (mail-qt1-x849.google.com [IPv6:2607:f8b0:4864:20::849]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BFA1DC0613D0 for ; Thu, 1 Oct 2020 16:11:01 -0700 (PDT) Received: by mail-qt1-x849.google.com with SMTP id 7so74412qtp.18 for ; Thu, 01 Oct 2020 16:11:01 -0700 (PDT) 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=w1E5zxU5l/CeX9umqlaBwf6hqmnsI5Vdz5NunkaUR1o=; b=VZjFuEKcSRZM8aMyx9Es0pIHwZ7u9Z8UvL0Td/wiYqk4Xm5ihXXs0ETcfSmZ5f61za NNm6+0v3Jc68lZ5FCen3zO+lAzcKWLX+Sg6dLqFCGCRSle1z48el8hbqqTtcaiYRfBpc uQ8MkNUFTI/WyDHBgTEzQm2a8+GNabM1EuSiirl1uGyXR6Npd3iN6LBp3ISJq5lNu05b MGx+JUUI+fymSF5gx/YdoFj8ZlUa9d/s7KwFTBAJ61qs5ndE/fGFuxLWRwxLEOR81xiy wzJfG4SgsTHTSKLPfn0lT/F55UZoVu4a91WLUaWFNfWNfl/D6fPBTtJPndlbZJtFC5vD T1LQ== 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=w1E5zxU5l/CeX9umqlaBwf6hqmnsI5Vdz5NunkaUR1o=; b=aLgI7UpOUXyHJYHhaV51Q+LaB2s9fAeM917aeHl1ZlFPr+O66M1b4jfYyz5IBWXAHU u0NbTDlGzi/iPXiv74C6BE8e19FFshpkbT1cxrcOxy20uo0cnWBZP618+UtqyGhjVq9n rPsWJFhwPhfY/VBSko5dCVqzAYY5r1jtT/s3IE6FmKkefPtizmj87LxnQ7KAt4ChWnNa nPdC4qqKydi1sZvAzxp2JGQ7c61ev1npD5TttBVw18X9EeVLcb2gEXptSYyBlwlQv1RA RYKiZZ8CKiV3DcprgOfoAoH6LFEYudFIS2HeQ5ABK4a9/KX13eb0HC2JLy8w0F1V0eV1 32hw== X-Gm-Message-State: AOAM5327Q/Rtbt7gNH+IhFEex/HsBjhFhT1+r0FYJls9M899MCZ2a6LD aZKTn+259Ref6WZTAlPtGbXgo4CXhMU8Qxq1 X-Google-Smtp-Source: ABdhPJzib8K4bOGf+SA2POXQO9GcIg9cSuLI7uelLspVqYmRzlqSefwDS/1lsaPsks8q/GUPSRmUJhRE5vDrp89T 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:a0c:abc5:: with SMTP id k5mr10210842qvb.40.1601593860931; Thu, 01 Oct 2020 16:11:00 -0700 (PDT) Date: Fri, 2 Oct 2020 01:10:08 +0200 In-Reply-To: Message-Id: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.28.0.709.gb0816b6eb0-goog Subject: [PATCH v4 07/39] kasan: only build init.c for software modes From: Andrey Konovalov To: Dmitry Vyukov , Vincenzo Frascino , Catalin Marinas , kasan-dev@googlegroups.com Cc: Andrey Ryabinin , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Elena Petrova , Branislav Rankov , Kevin Brodsky , Will Deacon , Andrew Morton , 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 -- 2.28.0.709.gb0816b6eb0-goog