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=-5.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 522AEC2BA2B for ; Thu, 9 Apr 2020 11:24:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1FE2B2137B for ; Thu, 9 Apr 2020 11:24:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="m7gAuMsT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726621AbgDILYu (ORCPT ); Thu, 9 Apr 2020 07:24:50 -0400 Received: from mail-io1-f68.google.com ([209.85.166.68]:45858 "EHLO mail-io1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725987AbgDILYu (ORCPT ); Thu, 9 Apr 2020 07:24:50 -0400 Received: by mail-io1-f68.google.com with SMTP id i19so3416718ioh.12 for ; Thu, 09 Apr 2020 04:24:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=RRjJJW6qKikQw1uT9zffeLo51gT+qFo1k0SsUp6S/3Q=; b=m7gAuMsTZVgpMlIZ3AGfBPT6Vs8UwSiV/949AmtSbdbmOqslX7QYtKtXSdcfUVe+in QaZg/gi1eBGViFzb60n27umu1J/5l0SPYBQbPvrUOyPQYDd0IEw+9S7/+oN/j2YARK64 ///WmhB5t7+L2qVYIwfNcqLXBdKDFxmsHZmK9dZJJqwdDz4FJptpogx24wP+Ae4/uNqL wGUISG7Vhl4jRO+2YPyAXSV+OGfGFOgM2UVmIV7pnBPahLPsMvpv/iqbFXpiQ3zbB7NY uCEpsJxlcvSgDgsGFshijXZVyHgmqL73CW3NaNy1ensxcg6TYdLWsSzuM+ALs9g3DE5Q ArpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=RRjJJW6qKikQw1uT9zffeLo51gT+qFo1k0SsUp6S/3Q=; b=QNv+ReiDw4H/ODzet/W+ORvhxFaR+59gK4A5Vcbtxj4FIbltSvSk0NXscuYz3SXQNA fee4S1CsBWTwEmVIn2tPQZvGCdiNTgFTUKxshzgBZNtnAPwdHsStxMz/X0/W4IQmeWFZ vytJhecfuFftxZ49en8lFr7VWl/lFJHCh5B0u292EBnKMC4M+4tu44AoFHP4RV2ENAcR uQLBawgn0aWwydIEZom4GmbduzfUxMWgYOc+FOOxz2gAAVq6mJT8OO6dCuKv2Gk0IgTG HzdZ7M2yw+VHXFv4I78mTVdfaagDCpo3yXeUGt80/+YKPaCM0GxAdzHBQi4cbApcAFdR 4oCg== X-Gm-Message-State: AGi0Pubklhbc4KH47ibEDpceaS9k4ZkETRe/UEsqc4ntRTMfmQpJHDXp 65hHqWLf9VRR3vxdQI1b21BCCgQA6cR9//T+79G/zJo6 X-Google-Smtp-Source: APiQypK+sXsuX5veA6Ber9LepWF/pkBeRcRoXBIy/QdXMwqErFI7rNCzKGk9AG3/VIPmzXGHn4H3yNvC8cQ4R9o7wxU= X-Received: by 2002:a5d:891a:: with SMTP id b26mr11625899ion.194.1586431488940; Thu, 09 Apr 2020 04:24:48 -0700 (PDT) MIME-Version: 1.0 References: <8079b118-1ff4-74a8-7010-0601d211a221@intel.com> In-Reply-To: <8079b118-1ff4-74a8-7010-0601d211a221@intel.com> From: Uros Bizjak Date: Thu, 9 Apr 2020 13:24:37 +0200 Message-ID: Subject: Re: Current mainline kernel FTBFS in KVM SEV To: like.xu@intel.com Cc: kvm@vger.kernel.org, Paolo Bonzini Content-Type: text/plain; charset="UTF-8" Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Thu, Apr 9, 2020 at 10:31 AM Xu, Like wrote: > > Hi Bizjak, > > would you mind telling us the top commit ID in your kernel tree ? > Or you may try the queue branch of > https://git.kernel.org/pub/scm/virt/kvm/kvm.git > and check if this "undefined reference" issue gets fixed. Unfortunately no, the build breaks in the same way. Uros. > Thanks, > Like Xu > > On 2020/4/9 16:20, Uros Bizjak wrote: > > Current mainline kernel fails to build (on Fedora 31) with: > > > > GEN .version > > CHK include/generated/compile.h > > LD vmlinux.o > > MODPOST vmlinux.o > > MODINFO modules.builtin.modinfo > > GEN modules.builtin > > LD .tmp_vmlinux.btf > > ld: arch/x86/kvm/svm/sev.o: in function `sev_flush_asids': > > /hdd/uros/git/linux/arch/x86/kvm/svm/sev.c:48: undefined reference to > > `sev_guest_df_flush' > > ld: arch/x86/kvm/svm/sev.o: in function `sev_hardware_setup': > > /hdd/uros/git/linux/arch/x86/kvm/svm/sev.c:1146: undefined reference > > to `sev_platform_status' > > BTF .btf.vmlinux.bin.o > > > > .config is attached. > > > > Uros. >