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=-20.6 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, 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 3B599C433E1 for ; Fri, 14 Aug 2020 17:27:43 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E5C0920708 for ; Fri, 14 Aug 2020 17:27:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="NlQYWVk4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E5C0920708 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C56F76B000C; Fri, 14 Aug 2020 13:27:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C07966B000D; Fri, 14 Aug 2020 13:27:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AF6A06B000E; Fri, 14 Aug 2020 13:27:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0253.hostedemail.com [216.40.44.253]) by kanga.kvack.org (Postfix) with ESMTP id 9BC1F6B000C for ; Fri, 14 Aug 2020 13:27:41 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 5D528824556B for ; Fri, 14 Aug 2020 17:27:41 +0000 (UTC) X-FDA: 77149856322.07.kitty63_1001f6726ffe Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin07.hostedemail.com (Postfix) with ESMTP id 1F0A71803F9B5 for ; Fri, 14 Aug 2020 17:27:40 +0000 (UTC) X-HE-Tag: kitty63_1001f6726ffe X-Filterd-Recvd-Size: 4752 Received: from mail-wr1-f74.google.com (mail-wr1-f74.google.com [209.85.221.74]) by imf13.hostedemail.com (Postfix) with ESMTP for ; Fri, 14 Aug 2020 17:27:40 +0000 (UTC) Received: by mail-wr1-f74.google.com with SMTP id b18so3602892wrn.6 for ; Fri, 14 Aug 2020 10:27:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=D1t27xMSdSDZAXG6XnkOmwCyZLvn/GNAn2saMjUMSxo=; b=NlQYWVk4QraX9lMNNFU2PHWTbxVPbYDzAKzEJL2GKeIWAYtsuwZ+NGPCHwpmoTva1K n2x0xG4UAjBWm/OlfHhi29X10+mhhEwk/7sNuRZL8P0lAPl9fEdsiCWjdL2iwXdLsEwR V+yKO9un2mCVzG1r9njHV7HBxFTXpqU+dEydfa6rl3iW3Je0KhV5gBnWYbMnA027byWF LGLsd09h7esHEAdz8fA9PJ3S2QY1gB7VHdcwQC70QA6UpSchVJL5Hy+QQeBhOjsF1TLK Lr08Lv1S4SLXhWH8tozhudhMdSNFbCnFeaTXh+EO4RIOA9r2zLcALLaU5qa2fhw/Ecl5 UyKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=D1t27xMSdSDZAXG6XnkOmwCyZLvn/GNAn2saMjUMSxo=; b=KnUuRNrNCftCpZy3xwJ8mLcVMEfEoNS/VJRQy+NdaHkkk+P/9O+F8V4gvwo5erFIDw 33egw29YF3zQNetSaliP6yI5aobQ6HWaEZe2Lhi2fwJnInvwahpT6P0apBt7Fqr52u82 apOceLcM0047XclyEDdIZrvFWsW2ft6F1YbYL7FZWbch91xVMWUkPU75Z0O+MhrPqnuY +wDZEdga4GGidC9fvtvMTot/T79kKDZ+s/HH82+NvLLMLB2veLpsK8fcxj5FpovK41b+ W9eK7yfbHeuhzLmwJXL3ETuaBIUyzFH8ZkdxlJS7i7dCcNPf/N+tb/08b7za2EslX9j6 xiDA== X-Gm-Message-State: AOAM530BWyI4Q297iuXyyvYDkhB6aPePJYRjwF0SKnxILiZEltCtH6qj 29oi3X0tvUCRBh7i40MqhwdV6ZRS1iZB0MzO X-Google-Smtp-Source: ABdhPJzpZngGb1ZEeA+I2LMOF4t2XQmOQc29JrlRX//qtIxbuOUjwOocnNGAgVWjvUPc3MYLXUXVihCZ0qw94AsK X-Received: by 2002:a05:600c:c3:: with SMTP id u3mr423906wmm.1.1597426058434; Fri, 14 Aug 2020 10:27:38 -0700 (PDT) Date: Fri, 14 Aug 2020 19:26:48 +0200 In-Reply-To: Message-Id: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.28.0.220.ged08abb693-goog Subject: [PATCH 06/35] 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" X-Rspamd-Queue-Id: 1F0A71803F9B5 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000051, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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 --- 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 d532c2587731..b5517de7fc87 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 754b641c83c7..20f5e1ab8d95 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 -- 2.28.0.220.ged08abb693-goog