From nobody Sun Sep 7 12:22:23 2025 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 D1C6DCDB465 for ; Mon, 16 Oct 2023 16:39:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234545AbjJPQjw (ORCPT ); Mon, 16 Oct 2023 12:39:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234266AbjJPQiO (ORCPT ); Mon, 16 Oct 2023 12:38:14 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D73A93A9F; Mon, 16 Oct 2023 09:19:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697473166; x=1729009166; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Or0klKfUcIrA1mQXSCa7hlR2Ul9w9VReeeOfg/BuWeE=; b=eDoQo/6Unztv4xA64qP/2JADHfVjmT8mHn7tA3yPh7EnItRNeTLjndyY LsmlMjyUh1/q48yj8tWHsdjXXG/90+Sg1+IU3Pr8hjZt0OLVUxAq1Drua fodabRS71Ee+B0CEky1YSUyshJMBPm+4b8BigSdclKMpk2mc9RWax3rjK yVeTwwQfJPtyAbSb7FSoVJQpVI72eu2Bs9f2fYoCq12jBe1ce7npTslQs usYBDe63Mx5+qxFyRmNxHagQRhByBWWPS4//sEG4QP0X7Zn5ibGygNrJX I2bNflvL2iJBCvQAtvfIzLjNdCNleCgG1gJRTdZsK9jgghF/UOMiaDMjq Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10865"; a="365825860" X-IronPort-AV: E=Sophos;i="6.03,229,1694761200"; d="scan'208";a="365825860" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Oct 2023 09:15:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10865"; a="1087125953" X-IronPort-AV: E=Sophos;i="6.03,229,1694761200"; d="scan'208";a="1087125953" Received: from ls.sc.intel.com (HELO localhost) ([172.25.112.31]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Oct 2023 09:15:21 -0700 From: isaku.yamahata@intel.com To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: isaku.yamahata@intel.com, isaku.yamahata@gmail.com, Paolo Bonzini , erdemaktas@google.com, Sean Christopherson , Sagi Shahar , David Matlack , Kai Huang , Zhi Wang , chen.bo@intel.com, hang.yuan@intel.com, tina.zhang@intel.com Subject: [PATCH v16 002/116] KVM: x86/vmx: initialize loaded_vmcss_on_cpu in vmx_hardware_setup() Date: Mon, 16 Oct 2023 09:13:14 -0700 Message-Id: <33f23ae088026a9375e67fdbc5733a3f446ea9db.1697471314.git.isaku.yamahata@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Isaku Yamahata vmx_hardware_disable() accesses loaded_vmcss_on_cpu via hardware_disable_all(). To allow hardware_enable/disable_all() before kvm_init(), initialize it in vmx_hardware_setup() so that tdx module initialization, hardware_setup method, can reference the variable. Signed-off-by: Isaku Yamahata --- arch/x86/kvm/vmx/vmx.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index f733629c4706..3627b704ff37 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -8266,8 +8266,12 @@ __init int vmx_hardware_setup(void) { unsigned long host_bndcfgs; struct desc_ptr dt; + int cpu; int r; =20 + /* vmx_hardware_disable() accesses loaded_vmcss_on_cpu. */ + for_each_possible_cpu(cpu) + INIT_LIST_HEAD(&per_cpu(loaded_vmcss_on_cpu, cpu)); store_idt(&dt); host_idt_base =3D dt.address; =20 @@ -8510,11 +8514,8 @@ static int __init vmx_init(void) if (r) goto err_l1d_flush; =20 - for_each_possible_cpu(cpu) { - INIT_LIST_HEAD(&per_cpu(loaded_vmcss_on_cpu, cpu)); - + for_each_possible_cpu(cpu) pi_init_cpu(cpu); - } =20 cpu_emergency_register_virt_callback(vmx_emergency_disable); =20 --=20 2.25.1