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=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 B9DACC433ED for ; Tue, 6 Apr 2021 17:07:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6CFDC61205 for ; Tue, 6 Apr 2021 17:07:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244351AbhDFRHj (ORCPT ); Tue, 6 Apr 2021 13:07:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:51842 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232822AbhDFRHh (ORCPT ); Tue, 6 Apr 2021 13:07:37 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1EB6D61074; Tue, 6 Apr 2021 17:07:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1617728849; bh=OTLi2br6TwGXAvuCmYFHZuPBiT/v7waifZhs4i1hXQo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=oYB/165cJWuvS4X/8MJIdGUSKnb8BKgyozRVPCjbNykk+tuqnD164qBjlbKGmzOXR d3EEHvgZcTOX2dG9v33+OZtGoLJgMi53MPt0Dj2v2VOJWUrZzJHq2JCAKx4YLiXB+f M1Revyo3T0rdANKP/uq95KIQvJzkb3Da0HFOxBAtTdeYwrFuuzNzSomjPsJMroVHau zzMZAxOGYZHbQgBA3ZMajHcdenxxeiwR/oa6Q/EHYXnypl+VKB1/Wb4gU0K6EBmJKL qcg+Q4ziHW+GY1MT9DZa+tbQq2mDrpXVy1yZZMcD93WlwcMpsqR6J16kCYDePr7IUv oDzXkiaEmfJ0Q== Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id 6CE6840647; Tue, 6 Apr 2021 14:07:26 -0300 (-03) Date: Tue, 6 Apr 2021 14:07:26 -0300 From: Arnaldo Carvalho de Melo To: Bill Wendling , Yonghong Song , Jiri Olsa Cc: dwarves@vger.kernel.org, Alexei Starovoitov , Andrii Nakryiko , bpf , David Blaikie , =?utf-8?B?RsSBbmctcnXDrCBTw7JuZw==?= , kernel-team@fb.com, Nick Desaulniers Subject: Re: [PATCH dwarves 0/2] dwarf_loader: improve cus__merging_cu() Message-ID: References: <20210401025815.2254256-1-yhs@fb.com> <06ba2ed4-2730-9ce8-0665-3c720bc786a3@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Url: http://acmel.wordpress.com Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Em Tue, Apr 06, 2021 at 02:03:41PM -0300, Arnaldo Carvalho de Melo escreveu: > Sorry, I forgot to use clang on this no-lto build... doing it now with: > > [acme@five bpf]$ grep LTO ../build/bpf_clang_no_lto/.config > CONFIG_ARCH_SUPPORTS_LTO_CLANG=y > CONFIG_ARCH_SUPPORTS_LTO_CLANG_THIN=y > CONFIG_HAS_LTO_CLANG=y > CONFIG_LTO_NONE=y > # CONFIG_LTO_CLANG_FULL is not set > # CONFIG_LTO_CLANG_THIN is not set > CONFIG_HID_WALTOP=m > [acme@five bpf]$ > [acme@five bpf]$ make -j28 LLVM=1 LLVM_IAS=1 O=../build/bpf_clang_no_lto/ vmlinux Works: [acme@five bpf]$ make -j28 LLVM=1 LLVM_IAS=1 O=../build/bpf_clang_no_lto/ vmlinux CC drivers/acpi/acpica/utxfmutex.o AR fs/built-in.a AR drivers/acpi/acpica/built-in.a AR drivers/acpi/built-in.a AR drivers/md/built-in.a AR drivers/built-in.a GEN .version CHK include/generated/compile.h LD vmlinux.o MODPOST vmlinux.symvers MODINFO modules.builtin.modinfo GEN modules.builtin LD .tmp_vmlinux.btf BTF .btf.vmlinux.bin.o LD .tmp_vmlinux.kallsyms1 KSYMS .tmp_vmlinux.kallsyms1.S AS .tmp_vmlinux.kallsyms1.S LD .tmp_vmlinux.kallsyms2 KSYMS .tmp_vmlinux.kallsyms2.S AS .tmp_vmlinux.kallsyms2.S LD vmlinux BTFIDS vmlinux SORTTAB vmlinux SYSMAP System.map make[1]: Leaving directory '/home/acme/git/build/bpf_clang_no_lto' [acme@five bpf]$ grep LTO ../build/bpf_clang_thin_lto/.config CONFIG_LTO=y CONFIG_LTO_CLANG=y CONFIG_ARCH_SUPPORTS_LTO_CLANG=y CONFIG_ARCH_SUPPORTS_LTO_CLANG_THIN=y CONFIG_HAS_LTO_CLANG=y # CONFIG_LTO_NONE is not set # CONFIG_LTO_CLANG_FULL is not set CONFIG_LTO_CLANG_THIN=y CONFIG_HID_WALTOP=m [acme@five bpf]$