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=-9.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 C705EC388F9 for ; Fri, 23 Oct 2020 18:18:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 66E13208E4 for ; Fri, 23 Oct 2020 18:18:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="M74xl8cY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S465044AbgJWSSK (ORCPT ); Fri, 23 Oct 2020 14:18:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S373222AbgJWSSJ (ORCPT ); Fri, 23 Oct 2020 14:18:09 -0400 Received: from mail-qk1-x743.google.com (mail-qk1-x743.google.com [IPv6:2607:f8b0:4864:20::743]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1D186C0613CE; Fri, 23 Oct 2020 11:18:09 -0700 (PDT) Received: by mail-qk1-x743.google.com with SMTP id k9so2043325qki.6; Fri, 23 Oct 2020 11:18:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=ApmfhOk09K1c2h42K2OFIKlhksWgTdh0h8R2DYpKkGg=; b=M74xl8cYZSW0prcIqN7ut2RW7gUef6hRHZUtdYXmWenCI8kT2/007Ghy3Mrdi9iigB 4VE1XBPu9F67xCjKCd2fMYwbIqPiRdV4BEOG27bbrxE1AQVuooKre/Fdg0ybBYHA6FTb u65jpA9e30UACimGxh4X7eD807T0FNjv6VSdGcR6FcuXkoaq68HabDbflLJSuHI9QnRX JB5CvNgyucygA77M8KwrS3aHkb2V4GHzJifwlATJqysjm1DE2RjpQUJ3ChXL99vUlOB+ P80OshneXOkR01/AVozsgWNvSLdd/wo3WSJ0sF0r8URRVb3ELgahRINkbLyykZya75U/ fzsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=ApmfhOk09K1c2h42K2OFIKlhksWgTdh0h8R2DYpKkGg=; b=frOzA4IraJ/uUkV7Tlg0MGFjgY5nYhZiN9MNi9p7YHt95KqUgcH+et/QhF2QMs5imS HZVi9qx+cM4CcAICFBYCWvKxK2jPoOxw6FFw3UcQM31oH+bYQ5t5PXe9PH0VAL+bJer7 2kUgbW9iZVH5I3Xy8dIAzXLvRU+fwYqdAymgvmsSGQV0hfafuMbPwizVfAbml6Yse50H uAH8FFpH/WjHS16C5SiW7ZquVIkYuoaH7ssNr1jXkeMaaOA9pzm7gYg2zbyygzeyPnwI hoB7lDOYxAzgUNBQg6XYD+2Pe1Av/5jn8KxFGlRsItD0nQbrIOKAoG/wsRRAj621+sA4 S6XQ== X-Gm-Message-State: AOAM530pG+jpBpqRonaB8IgzLJ7xVNEWwncKytdM+9p1eouk5mpeCx73 6mHFK7/+ELEmz+PtHXCLU0s= X-Google-Smtp-Source: ABdhPJzL+Y/Y3v+RNMx6QZ7ufhfNcHgfgtL1CtQE+JhXLIEePvrmgG8+UqwAvHHf62Ohb9pq7QzyVA== X-Received: by 2002:a37:2c07:: with SMTP id s7mr3521015qkh.297.1603477088197; Fri, 23 Oct 2020 11:18:08 -0700 (PDT) Received: from ubuntu-m3-large-x86 ([2604:1380:45d1:2600::3]) by smtp.gmail.com with ESMTPSA id z13sm1280146qkl.2.2020.10.23.11.18.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Oct 2020 11:18:07 -0700 (PDT) Date: Fri, 23 Oct 2020 11:18:05 -0700 From: Nathan Chancellor To: Vasily Gorbik Cc: Masahiro Yamada , Nick Desaulniers , Michal Marek , Jonathan Corbet , linux-kbuild@vger.kernel.org, clang-built-linux@googlegroups.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] kbuild: remove unused OBJSIZE Message-ID: <20201023181805.GA3852821@ubuntu-m3-large-x86> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 23, 2020 at 01:57:32PM +0200, Vasily Gorbik wrote: > The "size" tool has been solely used by s390 to enforce .bss section usage > restrictions in early startup code. Since commit 980d5f9ab36b ("s390/boot: > enable .bss section for compressed kernel") and commit 2e83e0eb85ca > ("s390: clean .bss before running uncompressed kernel") these restrictions > have been lifted for the decompressor and uncompressed kernel and the > size tool is now unused. > > Signed-off-by: Vasily Gorbik Reviewed-by: Nathan Chancellor Thanks for the patch! > --- > Documentation/kbuild/llvm.rst | 5 ++--- > Makefile | 4 +--- > 2 files changed, 3 insertions(+), 6 deletions(-) > > diff --git a/Documentation/kbuild/llvm.rst b/Documentation/kbuild/llvm.rst > index cf3ca236d2cc..21c847890d03 100644 > --- a/Documentation/kbuild/llvm.rst > +++ b/Documentation/kbuild/llvm.rst > @@ -57,9 +57,8 @@ to enable them. :: > They can be enabled individually. The full list of the parameters: :: > > make CC=clang LD=ld.lld AR=llvm-ar NM=llvm-nm STRIP=llvm-strip \ > - OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump OBJSIZE=llvm-size \ > - READELF=llvm-readelf HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar \ > - HOSTLD=ld.lld > + OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump READELF=llvm-readelf \ > + HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar HOSTLD=ld.lld > > Currently, the integrated assembler is disabled by default. You can pass > ``LLVM_IAS=1`` to enable it. > diff --git a/Makefile b/Makefile > index d35a59f98e83..d2123c2c829a 100644 > --- a/Makefile > +++ b/Makefile > @@ -433,7 +433,6 @@ NM = llvm-nm > OBJCOPY = llvm-objcopy > OBJDUMP = llvm-objdump > READELF = llvm-readelf > -OBJSIZE = llvm-size > STRIP = llvm-strip > else > CC = $(CROSS_COMPILE)gcc > @@ -443,7 +442,6 @@ NM = $(CROSS_COMPILE)nm > OBJCOPY = $(CROSS_COMPILE)objcopy > OBJDUMP = $(CROSS_COMPILE)objdump > READELF = $(CROSS_COMPILE)readelf > -OBJSIZE = $(CROSS_COMPILE)size > STRIP = $(CROSS_COMPILE)strip > endif > PAHOLE = pahole > @@ -509,7 +507,7 @@ KBUILD_LDFLAGS := > CLANG_FLAGS := > > export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC > -export CPP AR NM STRIP OBJCOPY OBJDUMP OBJSIZE READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL > +export CPP AR NM STRIP OBJCOPY OBJDUMP READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL > export PERL PYTHON PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX > export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ ZSTD > export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE > -- > 2.25.4