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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C65A5C433EF for ; Wed, 13 Jul 2022 11:28:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234889AbiGML2r (ORCPT ); Wed, 13 Jul 2022 07:28:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51904 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235560AbiGML2o (ORCPT ); Wed, 13 Jul 2022 07:28:44 -0400 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4164B1CFF1; Wed, 13 Jul 2022 04:28:43 -0700 (PDT) Received: by mail-wr1-x42a.google.com with SMTP id r10so8909254wrv.4; Wed, 13 Jul 2022 04:28:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:mime-version:content-disposition; bh=CnNckbWVu6dnMbMiDPEKHA9YLrVpChrklF3bET8KSwk=; b=iqiMQiYMNMPVXdXQf2sJouXsgJiOHZNPyfzS+UBJZV3NwwJ80NrHOYwjulTXyPGVxd HXdUs5eDAIN17L7/1xNSGq4R3qvIOyfCQZz3hsCII4joErcTTpVcPIbaNpCXIQklaZgq V8bMUPBDStOHGYyMhU8n1tGSfkPLORZMP9KFvk442lPcFJIvjNeV9cYRjEVh0jpAMxqH Trp+2m/wyMk3vpI7rFjhtSXpw0bdQQrbPCAlOmBn2Jat5FtTXub7LyBtYWhy2Y/qRtw5 X9gvG/peRkiAtYMVJXhGlqv2Efgx+z44LrNAZeR6Z1KOE33xPgwPRdVFAXVkQuL5l0+9 Hbvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition; bh=CnNckbWVu6dnMbMiDPEKHA9YLrVpChrklF3bET8KSwk=; b=a6FIID9nZ6I8HwDo8atYS6gahXT+Ov12UclDnz0SD0fPT4nMElFNTJr2u5E0C0mHyC 3G81ZyHYYf6bIFCV5syVvNREhV7/sYhhliYztAdI1HbdLnirFAbOGnmIfNJ7+Cm9y24Q H1EM4wf0MG1ko9YyL+9WYbyxX6BJZj6DnOBLMvRy8/lQd9L6cgQcpADEL89pjFi4StWX U5NkezoiFvdD68Fl6uQxKlbxnP5wNFBp4ZN3CyXeQS7FJqfC2IGtNsipX+Yd+6ibJWGh G7YlRS6lKACz+DTzU5pjRjlQqsbUAlhxTw2Tu1RMbrgfU28NncfcTyI9uyd0LY+P8veh ZVKg== X-Gm-Message-State: AJIora8lCF9mW5tvK1tlYgDv2UvMikxF8ypp2SqqPrNGhh35QLKtmEZa Ew5kdyoqU19Q4cOs263JIsg= X-Google-Smtp-Source: AGRyM1u302WkiFJFFrF03cR8B//2g8BYyz4zgYZzfj4dNWFHNKl5zpy81cNsRsLLT7qQaNxBy5L85w== X-Received: by 2002:a5d:64e2:0:b0:21d:38e8:2497 with SMTP id g2-20020a5d64e2000000b0021d38e82497mr2648418wri.142.1657711721665; Wed, 13 Jul 2022 04:28:41 -0700 (PDT) Received: from debian (host-78-150-47-22.as13285.net. [78.150.47.22]) by smtp.gmail.com with ESMTPSA id j16-20020adfff90000000b0021d76a1b0e3sm10701868wrr.6.2022.07.13.04.28.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Jul 2022 04:28:41 -0700 (PDT) Date: Wed, 13 Jul 2022 12:28:38 +0100 From: "Sudip Mukherjee (Codethink)" To: Josh Poimboeuf , Peter Zijlstra , Borislav Petkov Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Paolo Bonzini , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Linus Torvalds Subject: mainline build failure due to fc02735b14ff ("KVM: VMX: Prevent guest RSB poisoning attacks with eIBRS") Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi All, The latest mainline kernel branch fails to build for x86_64 allmodconfig with clang and the error is: arch/x86/kernel/cpu/bugs.c:58:21: error: section attribute is specified on redeclared variable [-Werror,-Wsection] DEFINE_PER_CPU(u64, x86_spec_ctrl_current); ^ ./arch/x86/include/asm/nospec-branch.h:283:12: note: previous declaration is here extern u64 x86_spec_ctrl_current; git bisect pointed to fc02735b14ff ("KVM: VMX: Prevent guest RSB poisoning attacks with eIBRS") I will be happy to test any patch or provide any extra log if needed. -- Regards Sudip