From patchwork Thu Feb 4 21:18:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Olsa X-Patchwork-Id: 12068801 X-Patchwork-Delegate: bpf@iogearbox.net 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=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 007DEC433E0 for ; Thu, 4 Feb 2021 21:19:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C445964FA9 for ; Thu, 4 Feb 2021 21:19:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229566AbhBDVT2 convert rfc822-to-8bit (ORCPT ); Thu, 4 Feb 2021 16:19:28 -0500 Received: from us-smtp-delivery-44.mimecast.com ([207.211.30.44]:44675 "EHLO us-smtp-delivery-44.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229518AbhBDVT2 (ORCPT ); Thu, 4 Feb 2021 16:19:28 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-265-C8ToOAWhNu-dZ2YDN91Qsw-1; Thu, 04 Feb 2021 16:18:34 -0500 X-MC-Unique: C8ToOAWhNu-dZ2YDN91Qsw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 663664236C; Thu, 4 Feb 2021 21:18:32 +0000 (UTC) Received: from krava.redhat.com (unknown [10.40.192.128]) by smtp.corp.redhat.com (Postfix) with ESMTP id A29185B695; Thu, 4 Feb 2021 21:18:29 +0000 (UTC) From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Masahiro Yamada , Michal Marek , linux-kbuild@vger.kernel.org Subject: [PATCH bpf-next 1/4] tools/resolve_btfids: Build libbpf and libsubcmd in separate directories Date: Thu, 4 Feb 2021 22:18:22 +0100 Message-Id: <20210204211825.588160-2-jolsa@kernel.org> In-Reply-To: <20210204211825.588160-1-jolsa@kernel.org> References: <20210129134855.195810-1-jolsa@redhat.com> <20210204211825.588160-1-jolsa@kernel.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jolsa@kernel.org X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net Setting up separate build directories for libbpf and libpsubcmd, so it's separated from other objects and we don't get them mixed in the future. It also simplifies cleaning, which is now simple rm -rf. Also there's no need for FEATURE-DUMP.libbpf and bpf_helper_defs.h files in .gitignore anymore. Signed-off-by: Jiri Olsa Acked-by: Song Liu --- tools/bpf/resolve_btfids/.gitignore | 2 -- tools/bpf/resolve_btfids/Makefile | 26 +++++++++++--------------- 2 files changed, 11 insertions(+), 17 deletions(-) diff --git a/tools/bpf/resolve_btfids/.gitignore b/tools/bpf/resolve_btfids/.gitignore index a026df7dc280..25f308c933cc 100644 --- a/tools/bpf/resolve_btfids/.gitignore +++ b/tools/bpf/resolve_btfids/.gitignore @@ -1,4 +1,2 @@ -/FEATURE-DUMP.libbpf -/bpf_helper_defs.h /fixdep /resolve_btfids diff --git a/tools/bpf/resolve_btfids/Makefile b/tools/bpf/resolve_btfids/Makefile index bf656432ad73..b780b3a9fb07 100644 --- a/tools/bpf/resolve_btfids/Makefile +++ b/tools/bpf/resolve_btfids/Makefile @@ -28,22 +28,22 @@ OUTPUT ?= $(srctree)/tools/bpf/resolve_btfids/ LIBBPF_SRC := $(srctree)/tools/lib/bpf/ SUBCMD_SRC := $(srctree)/tools/lib/subcmd/ -BPFOBJ := $(OUTPUT)/libbpf.a -SUBCMDOBJ := $(OUTPUT)/libsubcmd.a +BPFOBJ := $(OUTPUT)/libbpf/libbpf.a +SUBCMDOBJ := $(OUTPUT)/libsubcmd/libsubcmd.a BINARY := $(OUTPUT)/resolve_btfids BINARY_IN := $(BINARY)-in.o all: $(BINARY) -$(OUTPUT): +$(OUTPUT) $(OUTPUT)/libbpf $(OUTPUT)/libsubcmd: $(call msg,MKDIR,,$@) - $(Q)mkdir -p $(OUTPUT) + $(Q)mkdir -p $(@) -$(SUBCMDOBJ): fixdep FORCE - $(Q)$(MAKE) -C $(SUBCMD_SRC) OUTPUT=$(OUTPUT) +$(SUBCMDOBJ): fixdep FORCE | $(OUTPUT)/libsubcmd + $(Q)$(MAKE) -C $(SUBCMD_SRC) OUTPUT=$(abspath $(dir $@))/ $(abspath $@) -$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPUT) +$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPUT)/libbpf $(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) OUTPUT=$(abspath $(dir $@))/ $(abspath $@) CFLAGS := -g \ @@ -57,23 +57,19 @@ LIBS = -lelf -lz export srctree OUTPUT CFLAGS Q include $(srctree)/tools/build/Makefile.include -$(BINARY_IN): fixdep FORCE +$(BINARY_IN): fixdep FORCE | $(OUTPUT) $(Q)$(MAKE) $(build)=resolve_btfids $(BINARY): $(BPFOBJ) $(SUBCMDOBJ) $(BINARY_IN) $(call msg,LINK,$@) $(Q)$(CC) $(BINARY_IN) $(LDFLAGS) -o $@ $(BPFOBJ) $(SUBCMDOBJ) $(LIBS) -libsubcmd-clean: - $(Q)$(MAKE) -C $(SUBCMD_SRC) OUTPUT=$(OUTPUT) clean - -libbpf-clean: - $(Q)$(MAKE) -C $(LIBBPF_SRC) OUTPUT=$(OUTPUT) clean - -clean: libsubcmd-clean libbpf-clean fixdep-clean +clean: fixdep-clean $(call msg,CLEAN,$(BINARY)) $(Q)$(RM) -f $(BINARY); \ $(RM) -rf $(if $(OUTPUT),$(OUTPUT),.)/feature; \ + $(RM) -rf $(OUTPUT)libbpf; \ + $(RM) -rf $(OUTPUT)libsubcmd; \ find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM) tags: From patchwork Thu Feb 4 21:18:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Olsa X-Patchwork-Id: 12068807 X-Patchwork-Delegate: bpf@iogearbox.net 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=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 4225BC43333 for ; Thu, 4 Feb 2021 21:19:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0B60F64FAC for ; 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Thu, 4 Feb 2021 21:18:32 +0000 (UTC) From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Masahiro Yamada , Michal Marek , linux-kbuild@vger.kernel.org Subject: [PATCH bpf-next 2/4] tools/resolve_btfids: Check objects before removing Date: Thu, 4 Feb 2021 22:18:23 +0100 Message-Id: <20210204211825.588160-3-jolsa@kernel.org> In-Reply-To: <20210204211825.588160-1-jolsa@kernel.org> References: <20210129134855.195810-1-jolsa@redhat.com> <20210204211825.588160-1-jolsa@kernel.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jolsa@kernel.org X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net We want this clean to be called from tree's root clean and that one is silent if there's nothing to clean. Adding check for all object to clean and display CLEAN messages only if there are objects to remove. Signed-off-by: Jiri Olsa Acked-by: Song Liu --- tools/bpf/resolve_btfids/Makefile | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/tools/bpf/resolve_btfids/Makefile b/tools/bpf/resolve_btfids/Makefile index b780b3a9fb07..3007cfabf5e6 100644 --- a/tools/bpf/resolve_btfids/Makefile +++ b/tools/bpf/resolve_btfids/Makefile @@ -64,13 +64,20 @@ $(BINARY): $(BPFOBJ) $(SUBCMDOBJ) $(BINARY_IN) $(call msg,LINK,$@) $(Q)$(CC) $(BINARY_IN) $(LDFLAGS) -o $@ $(BPFOBJ) $(SUBCMDOBJ) $(LIBS) +clean_objects := $(wildcard $(OUTPUT)/*.o \ + $(OUTPUT)/.*.o.cmd \ + $(OUTPUT)/.*.o.d \ + $(OUTPUT)/libbpf \ + $(OUTPUT)/libsubcmd \ + $(OUTPUT)/resolve_btfids) + +clean: + +ifneq ($(clean_objects),) clean: fixdep-clean $(call msg,CLEAN,$(BINARY)) - $(Q)$(RM) -f $(BINARY); \ - $(RM) -rf $(if $(OUTPUT),$(OUTPUT),.)/feature; \ - $(RM) -rf $(OUTPUT)libbpf; \ - $(RM) -rf $(OUTPUT)libsubcmd; \ - find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM) + $(Q)$(RM) -rf $(clean_objects) +endif tags: $(call msg,GEN,,tags) From patchwork Thu Feb 4 21:18:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Olsa X-Patchwork-Id: 12068805 X-Patchwork-Delegate: bpf@iogearbox.net 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=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 EBED9C43331 for ; Thu, 4 Feb 2021 21:19:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B564064FA4 for ; Thu, 4 Feb 2021 21:19:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229972AbhBDVTg convert rfc822-to-8bit (ORCPT ); Thu, 4 Feb 2021 16:19:36 -0500 Received: from us-smtp-delivery-44.mimecast.com ([207.211.30.44]:23108 "EHLO us-smtp-delivery-44.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229823AbhBDVTf (ORCPT ); Thu, 4 Feb 2021 16:19:35 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-403-XdWrGnxIPauF11nYIZe4XA-1; Thu, 04 Feb 2021 16:18:40 -0500 X-MC-Unique: XdWrGnxIPauF11nYIZe4XA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A7AB9107ACC7; Thu, 4 Feb 2021 21:18:38 +0000 (UTC) Received: from krava.redhat.com (unknown [10.40.192.128]) by smtp.corp.redhat.com (Postfix) with ESMTP id CFBA85B695; Thu, 4 Feb 2021 21:18:35 +0000 (UTC) From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Masahiro Yamada , Michal Marek , linux-kbuild@vger.kernel.org Subject: [PATCH bpf-next 3/4] tools/resolve_btfids: Set srctree variable unconditionally Date: Thu, 4 Feb 2021 22:18:24 +0100 Message-Id: <20210204211825.588160-4-jolsa@kernel.org> In-Reply-To: <20210204211825.588160-1-jolsa@kernel.org> References: <20210129134855.195810-1-jolsa@redhat.com> <20210204211825.588160-1-jolsa@kernel.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jolsa@kernel.org X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net We want this clean to be called from tree's root Makefile, which defines same srctree variable and that will screw the make setup. We actually do not use srctree being passed from outside, so we can solve this by setting current srctree value directly. Also root Makefile does not define the implicit RM variable, so adding RM initialization. Signed-off-by: Jiri Olsa Acked-by: Song Liu --- tools/bpf/resolve_btfids/Makefile | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/tools/bpf/resolve_btfids/Makefile b/tools/bpf/resolve_btfids/Makefile index 3007cfabf5e6..b41fc9a81e83 100644 --- a/tools/bpf/resolve_btfids/Makefile +++ b/tools/bpf/resolve_btfids/Makefile @@ -2,11 +2,9 @@ include ../../scripts/Makefile.include include ../../scripts/Makefile.arch -ifeq ($(srctree),) srctree := $(patsubst %/,%,$(dir $(CURDIR))) srctree := $(patsubst %/,%,$(dir $(srctree))) srctree := $(patsubst %/,%,$(dir $(srctree))) -endif ifeq ($(V),1) Q = @@ -22,6 +20,7 @@ AR = $(HOSTAR) CC = $(HOSTCC) LD = $(HOSTLD) ARCH = $(HOSTARCH) +RM ?= rm OUTPUT ?= $(srctree)/tools/bpf/resolve_btfids/ From patchwork Thu Feb 4 21:18:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Olsa X-Patchwork-Id: 12068809 X-Patchwork-Delegate: bpf@iogearbox.net 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=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 68C69C433E0 for ; Thu, 4 Feb 2021 21:19:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 27CAF64FA9 for ; Thu, 4 Feb 2021 21:19:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230001AbhBDVTq convert rfc822-to-8bit (ORCPT ); Thu, 4 Feb 2021 16:19:46 -0500 Received: from us-smtp-delivery-44.mimecast.com ([207.211.30.44]:32454 "EHLO us-smtp-delivery-44.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229705AbhBDVTi (ORCPT ); Thu, 4 Feb 2021 16:19:38 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-351-lwidM3etO16eftEAo_F6Tg-1; Thu, 04 Feb 2021 16:18:43 -0500 X-MC-Unique: lwidM3etO16eftEAo_F6Tg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BE410106BB24; Thu, 4 Feb 2021 21:18:41 +0000 (UTC) Received: from krava.redhat.com (unknown [10.40.192.128]) by smtp.corp.redhat.com (Postfix) with ESMTP id 073FD5B695; Thu, 4 Feb 2021 21:18:38 +0000 (UTC) From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Masahiro Yamada , Michal Marek , linux-kbuild@vger.kernel.org Subject: [PATCH bpf-next 4/4] kbuild: Add resolve_btfids clean to root clean target Date: Thu, 4 Feb 2021 22:18:25 +0100 Message-Id: <20210204211825.588160-5-jolsa@kernel.org> In-Reply-To: <20210204211825.588160-1-jolsa@kernel.org> References: <20210129134855.195810-1-jolsa@redhat.com> <20210204211825.588160-1-jolsa@kernel.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jolsa@kernel.org X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net The resolve_btfids tool is used during the kernel build, so we should clean it on kernel's make clean. Invoking the the resolve_btfids clean as part of root 'make clean'. Signed-off-by: Jiri Olsa Acked-by: Song Liu --- Makefile | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Makefile b/Makefile index b0e4767735dc..159d9592b587 100644 --- a/Makefile +++ b/Makefile @@ -1086,6 +1086,11 @@ ifdef CONFIG_STACK_VALIDATION endif endif +PHONY += resolve_btfids_clean + +resolve_btfids_clean: + $(Q)$(MAKE) -sC $(srctree)/tools/bpf/resolve_btfids O=$(abspath $(objtree))/tools/bpf/resolve_btfids clean + ifdef CONFIG_BPF ifdef CONFIG_DEBUG_INFO_BTF ifeq ($(has_libelf),1) @@ -1495,7 +1500,7 @@ vmlinuxclean: $(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean $(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean) -clean: archclean vmlinuxclean +clean: archclean vmlinuxclean resolve_btfids_clean # mrproper - Delete all generated files, including .config #