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Thu, 01 Oct 2020 10:31:33 -0700 (PDT) Date: Thu, 1 Oct 2020 19:31:27 +0200 From: elver@google.com To: Andrey Konovalov Cc: Dmitry Vyukov , Vincenzo Frascino , Catalin Marinas , kasan-dev@googlegroups.com, Andrey Ryabinin , Alexander Potapenko , 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 Subject: Re: [PATCH v3 07/39] kasan: only build init.c for software modes Message-ID: <20201001173127.GE4162920@elver.google.com> References: <3ecf44f226dac37eb35409dc78568a99343fbf9e.1600987622.git.andreyknvl@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3ecf44f226dac37eb35409dc78568a99343fbf9e.1600987622.git.andreyknvl@google.com> User-Agent: Mutt/1.14.5 (2020-06-23) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000364, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Sep 25, 2020 at 12:50AM +0200, Andrey Konovalov wrote: > 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 > -- > 2.28.0.681.g6f77f65b4e-goog >