From patchwork Sun May 8 19:06:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 12842687 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EF26C433F5 for ; Sun, 8 May 2022 19:17:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229623AbiEHTV3 (ORCPT ); Sun, 8 May 2022 15:21:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38888 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230450AbiEHTRr (ORCPT ); Sun, 8 May 2022 15:17:47 -0400 Received: from conuserg-09.nifty.com (conuserg-09.nifty.com [210.131.2.76]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3A2113CDB; Sun, 8 May 2022 12:11:23 -0700 (PDT) Received: from grover.sesame (133-32-177-133.west.xps.vectant.ne.jp [133.32.177.133]) (authenticated) by conuserg-09.nifty.com with ESMTP id 248J8qSU030019; Mon, 9 May 2022 04:09:00 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-09.nifty.com 248J8qSU030019 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1652036941; bh=8r++Xnr2CMXuiCWlDMnEsU+bU2kJZu8IuhIUFOy1SM0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gvhxLQ8mh28mquBfN02bXVH6NjNK1g6mXGhqDrIaNsC8qRZNflgfI6zKrvQbCaqYo ke0s+Fb+mAj4kWBU3JRwfGC6A0EDRXBWber1/9E9FyX+dMoYTMuYHvs8z4cD7sBJ+M oPK+AdpMew3iBTeE4N5nfmPM352anZr6NcAFukTL8MV1fvmgXWfbJ4qzfMHjsPbGwX mhvZyGTVoW9JUrU7A/2982NwwcMUEx1gTTSQWKNsR/E3xsLd17Sfnao0rohcUKer0s u/5RUeN6GeHCKXqVFS3ycNuTRpFtLnpcWrcv2jzhWvGxLaQvknNrpLZzqAamCal3TD 15Yb1DnGKRNWQ== X-Nifty-SrcIP: [133.32.177.133] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Nathan Chancellor , Nick Desaulniers , Nicolas Schier , Peter Zijlstra , linux-modules@vger.kernel.org, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, clang-built-linux@googlegroups.com, Ard Biesheuvel , Sami Tolvanen , Masahiro Yamada Subject: [PATCH v4 07/14] kbuild: stop merging *.symversions Date: Mon, 9 May 2022 04:06:24 +0900 Message-Id: <20220508190631.2386038-8-masahiroy@kernel.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220508190631.2386038-1-masahiroy@kernel.org> References: <20220508190631.2386038-1-masahiroy@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org Now modpost reads symbol versions from .*.cmd files. The merged *.symversions are no longer needed. Signed-off-by: Masahiro Yamada Reviewed-by: Nicolas Schier Tested-by: Nathan Chancellor --- (no changes since v1) scripts/Makefile.build | 21 ++------------------- scripts/link-vmlinux.sh | 15 --------------- 2 files changed, 2 insertions(+), 34 deletions(-) diff --git a/scripts/Makefile.build b/scripts/Makefile.build index ddd9080fc028..dff9220135c4 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -390,17 +390,6 @@ $(obj)/%.asn1.c $(obj)/%.asn1.h: $(src)/%.asn1 $(objtree)/scripts/asn1_compiler $(subdir-builtin): $(obj)/%/built-in.a: $(obj)/% ; $(subdir-modorder): $(obj)/%/modules.order: $(obj)/% ; -# combine symversions for later processing -ifeq ($(CONFIG_LTO_CLANG) $(CONFIG_MODVERSIONS),y y) - cmd_update_lto_symversions = \ - rm -f $@.symversions \ - $(foreach n, $(filter-out FORCE,$^), \ - $(if $(shell test -s $(n).symversions && echo y), \ - ; cat $(n).symversions >> $@.symversions)) -else - cmd_update_lto_symversions = echo >/dev/null -endif - # # Rule to compile a set of .o files into one .a file (without symbol table) # @@ -408,11 +397,8 @@ endif quiet_cmd_ar_builtin = AR $@ cmd_ar_builtin = rm -f $@; $(AR) cDPrST $@ $(real-prereqs) -quiet_cmd_ar_and_symver = AR $@ - cmd_ar_and_symver = $(cmd_update_lto_symversions); $(cmd_ar_builtin) - $(obj)/built-in.a: $(real-obj-y) FORCE - $(call if_changed,ar_and_symver) + $(call if_changed,ar_builtin) # # Rule to create modules.order file @@ -432,16 +418,13 @@ $(obj)/modules.order: $(obj-m) FORCE # # Rule to compile a set of .o files into one .a file (with symbol table) # -quiet_cmd_ar_lib = AR $@ - cmd_ar_lib = $(cmd_update_lto_symversions); $(cmd_ar) $(obj)/lib.a: $(lib-y) FORCE - $(call if_changed,ar_lib) + $(call if_changed,ar) ifneq ($(CONFIG_LTO_CLANG)$(CONFIG_X86_KERNEL_IBT),) quiet_cmd_link_multi-m = AR [M] $@ cmd_link_multi-m = \ - $(cmd_update_lto_symversions); \ rm -f $@; \ $(AR) cDPrsT $@ @$(patsubst %.o,%.mod,$@) else diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index 6aee2401f3ad..bc94252e920c 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -56,20 +56,6 @@ gen_initcalls() > .tmp_initcalls.lds } -# If CONFIG_LTO_CLANG is selected, collect generated symbol versions into -# .tmp_symversions.lds -gen_symversions() -{ - info GEN .tmp_symversions.lds - rm -f .tmp_symversions.lds - - for o in ${KBUILD_VMLINUX_OBJS} ${KBUILD_VMLINUX_LIBS}; do - if [ -f ${o}.symversions ]; then - cat ${o}.symversions >> .tmp_symversions.lds - fi - done -} - # Link of vmlinux.o used for section mismatch analysis # ${1} output file modpost_link() @@ -303,7 +289,6 @@ cleanup() rm -f .btf.* rm -f .tmp_System.map rm -f .tmp_initcalls.lds - rm -f .tmp_symversions.lds rm -f .tmp_vmlinux* rm -f System.map rm -f vmlinux