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 E8199C433DF for ; Mon, 12 Oct 2020 20:45:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B1D9A20BED for ; Mon, 12 Oct 2020 20:45:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="vBaZz+YU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388744AbgJLUpj (ORCPT ); Mon, 12 Oct 2020 16:45:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40682 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388242AbgJLUpe (ORCPT ); Mon, 12 Oct 2020 16:45:34 -0400 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 8577FC0613DD for ; Mon, 12 Oct 2020 13:45:32 -0700 (PDT) Received: by mail-wr1-x44a.google.com with SMTP id v5so9846939wrr.0 for ; Mon, 12 Oct 2020 13:45:32 -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=+lIiyQNbZ2iD7jyjbQzQvRa+OabJUbarW1CP8KW9GaM=; b=vBaZz+YU+ry3XJmEwNeO1dT8ozyCPZe4R8FjW0kRP9nT82E29kj5Y42lCWkmR1+36l 0nomN48mPRH03DSICjNl+KQqHYjsSlTloqovuDgMBC4t2QyK6kFjLWq1PSf+WkMaLqCx ja/bh+BDUSPhg2tVTK34HEevGIA3Ax4gY6+qUJBoC8dJ26tyx/QLoQpO3LLhy9jxKlQp E9g9p4uv8TCR85eErEkpZ2LVkm0Qfy0M+SfmqiFkkD1VAwmYBMy8EFPcXjBJI9IU2as4 1Ul2inLhPW3HKmZBhAoj/lnvkJ8ZqkEbep3xXuzYEsEAL1xB7u3f+MgIXG/XL2LgGUV7 xzuw== 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=+lIiyQNbZ2iD7jyjbQzQvRa+OabJUbarW1CP8KW9GaM=; b=V3F40Q6JdGUWizfrum1QILLFk/OxlmfBxsjzbMkW989ypPlWtrzw1otRkXP6/LSgy4 4yzir0fp40sk6ubZw0A3uwGimZNh83q1xVocoFD97mwKkxV46uJs/whdBupl93XDMR9K kRJ/QJx4SLAkdQfqLhV4ucSpvjOVD1F7z+aTJ/GqHFb3Bz5TO0I+VspimCd/ox88FiUP kGAlRKzJv74QscbaVLJ75oold/+YyjSr/dFhTBz8emQdejR9J7DUZaGO+gKivGhe49yx OlANuxpJ+R5BToXnSMkUf8+maxlTjYe6yfgiuocMUJAlnVRK3Mn0KOFfG4fBj6MNYdb4 Yvew== X-Gm-Message-State: AOAM5330eYYiByK9Ru36jCrwUDWZcL2RusYP3w1WxFIkt4H6yMf9HrJZ Oz0LrC5YGsYWYO+gZf8DAtMCLKtYc118khz8 X-Google-Smtp-Source: ABdhPJyW4QbvFfCV2DzCKlpyUbAyqDnAwr25iZsR9Cokt/GEbqub39TPrYlM7wHE95VxxeQDe/V6RDGARxmr0rAi 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:9952:: with SMTP id b79mr2315293wme.144.1602535531176; Mon, 12 Oct 2020 13:45:31 -0700 (PDT) Date: Mon, 12 Oct 2020 22:44:22 +0200 In-Reply-To: Message-Id: <1ad8692bc5cbe77ffa26052c2e827e1949f2ec84.1602535397.git.andreyknvl@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.28.0.1011.ga647a8990f-goog Subject: [PATCH v5 16/40] kasan: only build init.c for software modes From: Andrey Konovalov To: Catalin Marinas , Will Deacon Cc: Vincenzo Frascino , kasan-dev@googlegroups.com, Dmitry Vyukov , Andrey Ryabinin , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Elena Petrova , Branislav Rankov , Kevin Brodsky , 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 -- 2.28.0.1011.ga647a8990f-goog