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 5452FC6FD1C for ; Sun, 12 Mar 2023 09:59:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230125AbjCLJ7n (ORCPT ); Sun, 12 Mar 2023 05:59:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37808 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230274AbjCLJ7R (ORCPT ); Sun, 12 Mar 2023 05:59:17 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0393B20D1A for ; Sun, 12 Mar 2023 01:58:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1678615095; x=1710151095; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Rqur+vevLMZCF7wA0NbcD0BAEZGwybzNrkGtGG8CPLM=; b=GrA83LKVH/fyvoRAyFzL16ywHxVutV9MH6egeterR0vWZF7W061E+Z09 15oLnhXbP75vplCPMltKSSel2BQ0mq2SJhid5HPY+GKCpW7BND/eNNZFZ v1twdQoxVcrJK0eAAiJOhLHaCs4IKIFtXX7R+1gN2F9Tm9zgVnDzwnl+H +8NyJR37xG4sMEJ79SUSF/Ky4QY6QPmqiqgqejreDVMgOKCo0HxiVhA2t 6hQTrMEMAGmyTJdy2gNZf3FPIokuYYC75m0TxjbTHxt5igTYhMFEPCTo1 ez5WUvK2+P8ltj/9ME79OqmqxdPcE34U85FRtFzyYgj7ZIyXLpehePusk Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10646"; a="336998131" X-IronPort-AV: E=Sophos;i="5.98,254,1673942400"; d="scan'208";a="336998131" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Mar 2023 01:56:32 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10646"; a="680677783" X-IronPort-AV: E=Sophos;i="5.98,254,1673942400"; d="scan'208";a="680677783" Received: from jiechen-ubuntu-dev.sh.intel.com ([10.239.154.150]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Mar 2023 01:56:31 -0800 From: Jason Chen CJ To: kvm@vger.kernel.org Cc: Jason Chen CJ Subject: [RFC PATCH part-5 20/22] pkvm: x86: Add INVEPT/INVVPID emulation Date: Mon, 13 Mar 2023 02:03:01 +0800 Message-Id: <20230312180303.1778492-21-jason.cj.chen@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230312180303.1778492-1-jason.cj.chen@intel.com> References: <20230312180303.1778492-1-jason.cj.chen@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org The INVEPT & INVVPID cause vmexit unconditionally, pKVM must have handler for them. It's a tmp solution, just call global invept for invept/invvpid. After pKVM supported shadow EPT, such emulation shall be done based on shadow EPT. Signed-off-by: Jason Chen CJ --- arch/x86/kvm/vmx/pkvm/hyp/vmexit.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/kvm/vmx/pkvm/hyp/vmexit.c b/arch/x86/kvm/vmx/pkvm/hyp/vmexit.c index 27b6518032b5..8e7392010887 100644 --- a/arch/x86/kvm/vmx/pkvm/hyp/vmexit.c +++ b/arch/x86/kvm/vmx/pkvm/hyp/vmexit.c @@ -251,6 +251,11 @@ int pkvm_main(struct kvm_vcpu *vcpu) case EXIT_REASON_INTERRUPT_WINDOW: handle_irq_window(vcpu); break; + case EXIT_REASON_INVEPT: + case EXIT_REASON_INVVPID: + ept_sync_global(); + skip_instruction = true; + break; default: pkvm_dbg("CPU%d: Unsupported vmexit reason 0x%x.\n", vcpu->cpu, vmx->exit_reason.full); skip_instruction = true; -- 2.25.1