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=-8.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 1F415C4CEC4 for ; Wed, 18 Sep 2019 11:00:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E0990218AF for ; Wed, 18 Sep 2019 11:00:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="uIxjpmfS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E0990218AF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=qwbSmYeysO86BwfpzPYV5mSZUHoORwEVlOCi2FI9sIo=; b=uIxjpmfSx2Dv15 xM0Ssh5C+usHQ6cLGzFSamSRDK0jC9iPumKE+zro0UJP8+LuAu7hQXNFZ3W9Pz71J7s0PoLOQN+gO 1a4gZIk1Z+glYw+pJiBWRFF8B9gu258gFKpDvqgiiqaVSmvH2FcVfdAZ43kxkSYobXxEyyBrmFXJq z402Bs7/ljZtYUZFTPq57oFAjIhxbkncgmpo4WLbhRh6yhWvHyXsk2Zyc1h/4IQClW7BBo7lTgAcJ ZqTjwGWu0SgWBwJAoJGG30jn3eciWLFOwY7rj2R25syCVxoBLtRbLgDGz/VxrNkL2LREm4/F8pkV9 3L5l3dKqDZAAlV98IEYA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iAXgr-0007iW-B4; Wed, 18 Sep 2019 11:00:05 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iAXgn-0007BE-IM for linux-arm-kernel@lists.infradead.org; Wed, 18 Sep 2019 11:00:03 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id DDF2A142F; Wed, 18 Sep 2019 04:00:00 -0700 (PDT) Received: from [10.1.197.50] (e120937-lin.cambridge.arm.com [10.1.197.50]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 08BAD3F59C; Wed, 18 Sep 2019 03:59:59 -0700 (PDT) Subject: Re: [PATCH v6 01/11] kselftest: arm64: extend toplevel skeleton Makefile To: shuah , Dave Martin References: <20190910123111.33478-1-cristian.marussi@arm.com> <20190910123111.33478-2-cristian.marussi@arm.com> <20190917160534.GK27757@arm.com> <119aaea7-10b5-0fdf-269d-e86df07b4831@kernel.org> From: Cristian Marussi Message-ID: Date: Wed, 18 Sep 2019 11:59:58 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <119aaea7-10b5-0fdf-269d-e86df07b4831@kernel.org> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190918_040001_693561_45FEFBD7 X-CRM114-Status: GOOD ( 20.23 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: amit.kachhap@arm.com, andreyknvl@google.com, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 17/09/2019 17:18, shuah wrote: > On 9/17/19 10:05 AM, Dave Martin wrote: >> On Tue, Sep 10, 2019 at 01:31:01pm +0100, Cristian Marussi wrote: >>> Modify KSFT arm64 toplevel Makefile to maintain arm64 kselftests organized >>> by subsystem, keeping them into distinct subdirectories under arm64 custom >>> KSFT directory: tools/testing/selftests/arm64/ >>> >>> Add to such toplevel Makefile a mechanism to guess the effective location >>> of Kernel headers as installed by KSFT framework. >>> >>> Fit existing arm64 tags kselftest into this new schema moving them into >>> their own subdirectory (arm64/tags). >>> >>> Signed-off-by: Cristian Marussi >>> --- >>> Based on: >>> commit 9ce1263033cd ("selftests, arm64: add a selftest for passing >>> tagged pointers to kernel") >>> --- >>> v5 --> v6 >>> - using realpath to avoid passing down relative paths >>> - fix commit msg & Copyright >>> - removed unneded Makefile export >>> - added SUBTARGETS specification, to allow building specific only some >>> arm64 test subsystems >>> v4 --> v5 >>> - rebased on arm64/for-next/core >>> - merged this patch with KSFT arm64 tags patch, while moving the latter >>> into its own subdir >>> - moved kernel header includes search mechanism from KSFT arm64 >>> SIGNAL Makefile >>> - export proper top_srcdir ENV for lib.mk >>> v3 --> v4 >>> - comment reword >>> - simplified documentation in README >>> - dropped README about standalone >>> --- >>> tools/testing/selftests/Makefile | 1 + >>> tools/testing/selftests/arm64/Makefile | 63 +++++++++++++++++-- >>> tools/testing/selftests/arm64/README | 25 ++++++++ >>> tools/testing/selftests/arm64/tags/Makefile | 6 ++ >>> .../arm64/{ => tags}/run_tags_test.sh | 0 >>> .../selftests/arm64/{ => tags}/tags_test.c | 0 >>> 6 files changed, 91 insertions(+), 4 deletions(-) >>> create mode 100644 tools/testing/selftests/arm64/README >>> create mode 100644 tools/testing/selftests/arm64/tags/Makefile >>> rename tools/testing/selftests/arm64/{ => tags}/run_tags_test.sh (100%) >>> rename tools/testing/selftests/arm64/{ => tags}/tags_test.c (100%) >>> >>> diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile >>> index 25b43a8c2b15..1722dae9381a 100644 >>> --- a/tools/testing/selftests/Makefile >>> +++ b/tools/testing/selftests/Makefile >>> @@ -1,5 +1,6 @@ >>> # SPDX-License-Identifier: GPL-2.0 >>> TARGETS = android >>> +TARGETS += arm64 >>> TARGETS += bpf >>> TARGETS += breakpoints >>> TARGETS += capabilities >>> diff --git a/tools/testing/selftests/arm64/Makefile b/tools/testing/selftests/arm64/Makefile >>> index a61b2e743e99..cbb2a5a9e3fc 100644 >>> --- a/tools/testing/selftests/arm64/Makefile >>> +++ b/tools/testing/selftests/arm64/Makefile >>> @@ -1,11 +1,66 @@ >>> # SPDX-License-Identifier: GPL-2.0 >>> >>> -# ARCH can be overridden by the user for cross compiling >>> +# When ARCH not overridden for crosscompiling, lookup machine >>> ARCH ?= $(shell uname -m 2>/dev/null || echo not) >>> >>> ifneq (,$(filter $(ARCH),aarch64 arm64)) >>> -TEST_GEN_PROGS := tags_test >>> -TEST_PROGS := run_tags_test.sh >>> +SUBTARGETS ?= tags >>> +else >>> +SUBTARGETS := >>> endif >>> >>> -include ../lib.mk >>> +CFLAGS := -Wall -O2 -g >>> + >>> +# A proper top_srcdir is needed by KSFT(lib.mk) >>> +top_srcdir = $(realpath ../../../../) >>> + >>> +# Additional include paths needed by kselftest.h and local headers >>> +CFLAGS += -I$(top_srcdir)/tools/testing/selftests/ >>> + >>> +# Guessing where the Kernel headers could have been installed >>> +# depending on ENV config >>> +ifeq ($(KBUILD_OUTPUT),) >>> +khdr_dir = $(top_srcdir)/usr/include >>> +else >>> +# the KSFT preferred location when KBUILD_OUTPUT is set >>> +khdr_dir = $(KBUILD_OUTPUT)/kselftest/usr/include >>> +endif >> >> I still tend to think that for now we should just do what all the other >> tests do. >> >> Most tests use >> >> CFLAGS += -I../../../../usr/include/ >> >> in their Makefiles. >> >> For us, the test Makefiles are nested one level deeper, so I guess >> we would put >> >> CFLAGS += -I../../../../../usr/include/ >> >> in each. >> >> >> This will break in some cases, but only in the same cases where >> kselftest is already broken. >> >> Ideally we would fix this globally, but can that instead be done >> independently of this series? >> >> Fixing only arm64, by pasting some arbitrary logic from >> selftests/Makefile doesn't seem like a future-proof approach. >> >> >> Or did I miss something? >> >>> + >>> +CFLAGS += -I$(khdr_dir) >>> + >>> +export CFLAGS >>> +export top_srcdir >>> + >>> +all: >>> + @for DIR in $(SUBTARGETS); do \ >>> + BUILD_TARGET=$(OUTPUT)/$$DIR; \ >>> + mkdir -p $$BUILD_TARGET; \ >>> + make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ >>> + done >>> + >>> +install: all >>> + @for DIR in $(SUBTARGETS); do \ >>> + BUILD_TARGET=$(OUTPUT)/$$DIR; \ >>> + make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ >>> + done >>> + >>> +run_tests: all >>> + @for DIR in $(SUBTARGETS); do \ >>> + BUILD_TARGET=$(OUTPUT)/$$DIR; \ >>> + make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ >>> + done >>> + >>> +# Avoid any output on non arm64 on emit_tests >> >> This comment can be dropped: the whole file does nothing for >> non-arm64, and it achieves it in the same way as other arch-specific >> Makefiles, so it's odd to have the comment here specifically (?) >> >> >> With or without the above changes, I'm happy to give >> >> Reviewed-by: Dave Martin >> >> (but Shuah or someone will need to give a view on how this integrates >> with kselftest overall). >> > > I am reviewing the series this week. I will provide comments in a > day or two. > Thanks Shuah. As a side question... should I rebase next v7 (after your feedback) on latest kselftest branch (linux-kselftest-5.4-rc1 or whatever) Cristian > thanks, > -- Shuah > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel