From nobody Sun Sep 7 14:39:30 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 56F52EB64DC for ; Wed, 19 Jul 2023 03:26:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230105AbjGSD0H (ORCPT ); Tue, 18 Jul 2023 23:26:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48368 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229502AbjGSDZx (ORCPT ); Tue, 18 Jul 2023 23:25:53 -0400 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 814611BDD; Tue, 18 Jul 2023 20:25:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689737152; x=1721273152; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=qeP1TX20L6bDrbjHG7LXoPTITHr/t0Ikc6UPLombWJs=; b=JlWoO4ocGildF4EUkShycmzmJNnVEAXXd3H5blx8h/ZTTzz+f0FbXwCC RPGVKZum1lBepVidFBKtS1uCyMAWCmkVD5Nlt6SQYaBpAJakDuZbZsvz2 dxNJ/EVHWMFbktO3kytItoSjQhfWIX57RQtk1vJOZLFzegCwZoMir3L8w o4Y74KqRzs5WSWLnQnoh2cGMja5Y+MrgH7ca46X/OYH9f51CN5Bd9PBPd axxxSgXH5Jyz1d12d2HdTP8D8dcIF1JcX6e0OCvvKf0PtBTO7LSRuKBBX t8GDFRtObS/XguQQPNwu6o504fIXCjloKeo4qMAcotEwjZWzPxsz69JC3 w==; X-IronPort-AV: E=McAfee;i="6600,9927,10775"; a="346665819" X-IronPort-AV: E=Sophos;i="6.01,215,1684825200"; d="scan'208";a="346665819" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jul 2023 20:25:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10775"; a="813980269" X-IronPort-AV: E=Sophos;i="6.01,215,1684825200"; d="scan'208";a="813980269" Received: from arthur-vostro-3668.sh.intel.com ([10.238.200.123]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jul 2023 20:25:49 -0700 From: Zeng Guang To: Paolo Bonzini , Sean Christopherson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , H Peter Anvin , kvm@vger.kernel.org Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Binbin Wu , Zeng Guang Subject: [PATCH v2 3/8] KVM: x86: Add an emulation flag for implicit system access Date: Wed, 19 Jul 2023 10:45:53 +0800 Message-Id: <20230719024558.8539-4-guang.zeng@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230719024558.8539-1-guang.zeng@intel.com> References: <20230719024558.8539-1-guang.zeng@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Binbin Wu Add an emulation flag X86EMUL_F_IMPLICIT to identify the behavior of implicit system access in instruction emulation. Signed-off-by: Binbin Wu Signed-off-by: Zeng Guang --- arch/x86/kvm/kvm_emulate.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kvm/kvm_emulate.h b/arch/x86/kvm/kvm_emulate.h index 9fc7d34a4ac1..c0e48f4fa7c4 100644 --- a/arch/x86/kvm/kvm_emulate.h +++ b/arch/x86/kvm/kvm_emulate.h @@ -92,6 +92,7 @@ struct x86_instruction_info { #define X86EMUL_F_WRITE BIT(0) #define X86EMUL_F_FETCH BIT(1) #define X86EMUL_F_BRANCH BIT(2) +#define X86EMUL_F_IMPLICIT BIT(3) =20 struct x86_emulate_ops { void (*vm_bugged)(struct x86_emulate_ctxt *ctxt); --=20 2.27.0