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 2B8AEC00A89 for ; Mon, 2 Nov 2020 16:05:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ED1D62225E for ; Mon, 2 Nov 2020 16:05:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="HVGBfoVQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727029AbgKBQFL (ORCPT ); Mon, 2 Nov 2020 11:05:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35528 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727007AbgKBQFI (ORCPT ); Mon, 2 Nov 2020 11:05:08 -0500 Received: from mail-qv1-xf4a.google.com (mail-qv1-xf4a.google.com [IPv6:2607:f8b0:4864:20::f4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C781BC0617A6 for ; Mon, 2 Nov 2020 08:05:07 -0800 (PST) Received: by mail-qv1-xf4a.google.com with SMTP id m11so8466137qvt.11 for ; Mon, 02 Nov 2020 08:05:07 -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=HVGBfoVQuqawyYPyqkKhtPLjHY70+xmE4evLY9Wev/QYsd3YskSStGJaHrpAxkxpXW TdiudYldSt8CzICgNI20YY/qKjrbAYANuNINAXllncJKS3JwBokvGa9hZeSaMtZznhry X00+ueOe5kQS5bhF+C9mcCiKs3A20KcCmTjJn7Z7fIQ4Gj1QWSNuLjVwE03OxRkVvly3 qqsUkbpqy8FLCmpiUyVLqG5iq3/13ZPgkYsGOoqNOikwl8Ot4sRvU3i2bLye2h5E1ynB tqnS63qKVsEWGOuoNvIsH8nqWTLq4BnEH7Zi/1y8ZcW2eEpetUt2IapXtllgv0MVeONn 3hWg== 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=EOSwcEbfKbdbLqOAY1s3/nOjSoQxW0mKWr0wgacwHG4HW9/mdCjyZNmyoJd/tGSgjx Sa+vIOIucuZT13xW/WbagCazDE5R+lMB9FY0tjUVgk5xhdzy1yJloiBVJCBJm9H/+ETU pi8yButkmCRQOfi1Kljr6dvLjExPnjHJ17dcc9DhQ6x8a2Fw5RR/mtjhNJNVAOu3/r5p Osp8ZFjdvUmSJxcW6GqXqNQjuzUcig2qynxpb17dOhJNK2BYS9hylj1MkarTH+1X2eK1 eGWLeAjnFg+4R9WjsinBszDgosU6FIUCUkQ2/hJX+rJNZCO69XoNVDh6unv13rUA6irp /WYQ== X-Gm-Message-State: AOAM533ZjRXUN6Xw3KQe4UwnWrc1SwK5UcOQ2ehYoFBlr4xFmjBIMDx0 lnIxSIpuRRZuQz6s46IGu63MPGDykvD1ClwF X-Google-Smtp-Source: ABdhPJyb67OnlC/QoQu0KF9Gdop+DlVTu6p8FT4oUvbt8p7oowAaHDwBN/mhcMngE2XNR8scYV9LA86mLJlVhjo7 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:e585:: with SMTP id t5mr22207546qvm.6.1604333106950; Mon, 02 Nov 2020 08:05:06 -0800 (PST) Date: Mon, 2 Nov 2020 17:03:57 +0100 In-Reply-To: Message-Id: <83f76fc92ca8c7f1a037356d11b6242ae0c4beef.1604333009.git.andreyknvl@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.29.1.341.ge80a0c044ae-goog Subject: [PATCH v7 17/41] 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 -- 2.29.1.341.ge80a0c044ae-goog