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=-14.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 F0BF9C2BA19 for ; Wed, 15 Apr 2020 14:31:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CBC142076D for ; Wed, 15 Apr 2020 14:31:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="aI+z+lZq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394031AbgDOObE (ORCPT ); Wed, 15 Apr 2020 10:31:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1729358AbgDOOa7 (ORCPT ); Wed, 15 Apr 2020 10:30:59 -0400 Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1982C061A0C for ; Wed, 15 Apr 2020 07:30:58 -0700 (PDT) Received: by mail-wr1-x444.google.com with SMTP id i10so34364wrv.10 for ; Wed, 15 Apr 2020 07:30:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=WVkuuzK4PgjgPcUecDamfN8lzj8+MFn49CFhMsiWU1Q=; b=aI+z+lZqN8RAwrcKL+PCcVV/AGw8n+hw19895VT4bcqnDE5Cp1jrnS6q0SwOzFjzmb DwBpehbCR8/Rri5EztTcWYD/Z2sST/psPaLENQfz1DpcB7I//+TXN0cvL1bpH0UnYK2t aJY4dmMnmgeXFU547rapqdnZU45uO9nU28eJmqqwIyediN/QNKIuhVfoRmwX5ZLm4gFP aAHPblw6eQS0t5hQhV4mgmswHYp7LvQFWW7n+BidKtpupUZ66SOosxuf6bFFHok5PqK+ bWKLX2wVw4AKvBGOwJgqEb6rCwNABsVUFDJP2lFLUzoKNPH0CN1tbMLbFyq5Tj7+7WWD fE8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=WVkuuzK4PgjgPcUecDamfN8lzj8+MFn49CFhMsiWU1Q=; b=OxmhEBo+vAYuP6FNK+ruYoNUALU/nGSPEPeemW8T4wv7KFCssoT5LqiLVOhDGG0RiG BYwtHFWjm6jjxSp8GN7z2LxQCNDLDi3S4Fb7BNPYNO/ZEPRLWKmgmg8tujcWmhNYDKBi XqSPtkZTiQhZcHjqxua70sJqzRXy6pQoWLAVGgWMfb9XvFnP6tbeTZSBXymi+nw2w9CW e6sTcOwiI9uvj0ZoTqgd9p+izcnFKUFDQnjd+RljRzv9GKOrYyMdEpE+ArKoAZkAtcUf 5R2ZlySViXivdbsEmQ7e10Pm96nSq2XPfNcE9gmoCp+yKHZMRvCC8ch+tZBYYI+BATHc YEsA== X-Gm-Message-State: AGi0PuZQWiICIVaeeHhyHMyd33qik/DWo8jy/zpVLNPTh6LGMpidwzN8 NSc7LZO3Cr5veYBABHt4OV8= X-Google-Smtp-Source: APiQypJgmDGWzHD2azrLJ0tSCMDRhVQQy9AkQtBwXMC9rDCLnUfEwsYJJ2qrIMFvOSOZwZ+LfT1Vqw== X-Received: by 2002:adf:9564:: with SMTP id 91mr30246242wrs.246.1586961057372; Wed, 15 Apr 2020 07:30:57 -0700 (PDT) Received: from localhost.localdomain ([2a02:a58:8532:8700:d5dc:b247:cff7:f693]) by smtp.gmail.com with ESMTPSA id x13sm11679305wmc.5.2020.04.15.07.30.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Apr 2020 07:30:56 -0700 (PDT) From: Ilie Halip To: linux-riscv@lists.infradead.org Cc: Fangrui Song , Jordan Rupprecht , Ilie Halip , Paul Walmsley , Palmer Dabbelt , Albert Ou , Nick Desaulniers , Greg Kroah-Hartman , Thomas Gleixner , Mao Han , linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com Subject: [PATCH v2] riscv: fix vdso build with lld Date: Wed, 15 Apr 2020 17:29:58 +0300 Message-Id: <20200415142959.25673-1-ilie.halip@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When building with the LLVM linker this error occurrs: LD arch/riscv/kernel/vdso/vdso-syms.o ld.lld: error: no input files This happens because the lld treats -R as an alias to -rpath, as opposed to ld where -R means --just-symbols. Use the long option name for compatibility between the two. Link: https://github.com/ClangBuiltLinux/linux/issues/805 Reported-by: Dmitry Golovin Reviewed-by: Nick Desaulniers Signed-off-by: Ilie Halip --- Changed in v2: * a comment line dropped, another one slightly reworded * added Nick's Reviewed-by --- arch/riscv/kernel/vdso/Makefile | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile index 33b16f4212f7..a4ee3a0e7d20 100644 --- a/arch/riscv/kernel/vdso/Makefile +++ b/arch/riscv/kernel/vdso/Makefile @@ -33,15 +33,15 @@ $(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso) FORCE $(call if_changed,vdsold) # We also create a special relocatable object that should mirror the symbol -# table and layout of the linked DSO. With ld -R we can then refer to -# these symbols in the kernel code rather than hand-coded addresses. +# table and layout of the linked DSO. With ld --just-symbols we can then +# refer to these symbols in the kernel code rather than hand-coded addresses. SYSCFLAGS_vdso.so.dbg = -shared -s -Wl,-soname=linux-vdso.so.1 \ -Wl,--build-id -Wl,--hash-style=both $(obj)/vdso-dummy.o: $(src)/vdso.lds $(obj)/rt_sigreturn.o FORCE $(call if_changed,vdsold) -LDFLAGS_vdso-syms.o := -r -R +LDFLAGS_vdso-syms.o := -r --just-symbols $(obj)/vdso-syms.o: $(obj)/vdso-dummy.o FORCE $(call if_changed,ld) -- 2.17.1