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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_2 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 8D825C3B18B for ; Thu, 13 Feb 2020 13:50:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 52F6E217F4 for ; Thu, 13 Feb 2020 13:50:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="asQduntX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730127AbgBMNuH (ORCPT ); Thu, 13 Feb 2020 08:50:07 -0500 Received: from mail-qt1-f172.google.com ([209.85.160.172]:36766 "EHLO mail-qt1-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730003AbgBMNuH (ORCPT ); Thu, 13 Feb 2020 08:50:07 -0500 Received: by mail-qt1-f172.google.com with SMTP id t13so4399960qto.3 for ; Thu, 13 Feb 2020 05:50:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=message-id:subject:from:to:cc:date:mime-version :content-transfer-encoding; bh=hYWzdyVfx8Qtyuo6FsSKCev9Wngp3vI5dQBFQPr+z38=; b=asQduntXxoDqj4rpCaoGvHOQ1wkbE2AIP+WmNjqJd4jJ98NSHc6WIIqySVY11MhBmc HiFoySnWDJCxGHwvHEM9glItkO9hpTzcFtUckVvstoeeSNOAqdHXoXrg3zz00XXxdOjM Y5lTj22qEBaKgI2eyn4DhbDnhs2dwiB9Z2aiYqv5GWtqDVXn7aszCbsYAR0AGus8FuVo qQjEc87hgGcZYHnqmfOI/c+pfSsXTLkG0iRDvDqmccu2soP5bnV0VlNytNIQUpLvuerO k4oKTneOg6Arr1DH2cceGUoO0HzMRStdSMUfpve35PAuhJhH6EZHqU4aKC8Gf0jzcQPR GUSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:cc:date:mime-version :content-transfer-encoding; bh=hYWzdyVfx8Qtyuo6FsSKCev9Wngp3vI5dQBFQPr+z38=; b=N8HyBAaxxaPecQhCnp2jDe4C2AQ2HYYSmUJmwt7YWgDtiGfimNQ9JyTiBaqu/liz9y YmQQW37+7XU4deTTw1XMyQeXfXzAGG0v9VSw7JoWsAtWLbJ5DW1ttuu3yuoRk9Oh8ZCl 5hmo7ojt3lg7kC0ZkJ+rNP7Iq0ZPV6EVIGRApOcLOljNU4g+P7GF8nIkDI4joiN6pJY/ 9OhXxx5Z8B0fZEUuEtSH2lckM6JPWJRCHmwgUaL5xT6o1wQ5KYidAvt5vSyUks33sZAS NDe5glcdNtmHlzhUd+GSDfoGqjo8Bz4WEZVDLOdDHMSxzEFKcaiK/n9uwx2Zq5IbRTf8 2KQg== X-Gm-Message-State: APjAAAVbwBCjmfnoBgYazcn8fWvKYJSBnWcXzn6hgAolG+s6JOqa8iYl NiV0uHeldBxhnDl6i8Z8kmObww== X-Google-Smtp-Source: APXvYqwA+9/ZAaF2KlXuLlj8Uncda4mkIqcNiui+fb6MIQTtai11Pu7pHSfxSn6DOLXREHif/a9goA== X-Received: by 2002:ac8:1a19:: with SMTP id v25mr24196508qtj.146.1581601805810; Thu, 13 Feb 2020 05:50:05 -0800 (PST) Received: from dhcp-41-57.bos.redhat.com (nat-pool-bos-t.redhat.com. [66.187.233.206]) by smtp.gmail.com with ESMTPSA id c14sm1327859qkj.80.2020.02.13.05.50.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 13 Feb 2020 05:50:05 -0800 (PST) Message-ID: <1581601803.7365.57.camel@lca.pw> Subject: "KVM: x86: enable -Werror" breaks W=1 compilation From: Qian Cai To: Paolo Bonzini Cc: joe@perches.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Date: Thu, 13 Feb 2020 08:50:03 -0500 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6 (3.22.6-10.el7) Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org People have been running W=1 to catch additional compilation warnings with an expectation that not all of warnings will be fixed, but the linux-next commit ead68df94d24 ("KVM: x86: enable -Werror") breaks the build for them. arch/x86/kvm/../../../virt/kvm/kvm_main.c:663:12: error: no previous prototype for ‘kvm_arch_post_init_vm’ [-Werror=missing-prototypes]  int __weak kvm_arch_post_init_vm(struct kvm *kvm)             ^~~~~~~~~~~~~~~~~~~~~ arch/x86/kvm/../../../virt/kvm/kvm_main.c:672:13: error: no previous prototype for ‘kvm_arch_pre_destroy_vm’ [-Werror=missing-prototypes]  void __weak kvm_arch_pre_destroy_vm(struct kvm *kvm)