From nobody Fri Sep 5 10:37:50 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 952C3EB64DD for ; Tue, 18 Jul 2023 14:00:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233104AbjGROAf (ORCPT ); Tue, 18 Jul 2023 10:00:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58288 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233048AbjGROA0 (ORCPT ); Tue, 18 Jul 2023 10:00:26 -0400 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6709419B6; Tue, 18 Jul 2023 06:59:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689688798; x=1721224798; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=qeP1TX20L6bDrbjHG7LXoPTITHr/t0Ikc6UPLombWJs=; b=EFasp/xRaK69IOzfm8thWsnogV5ivWCM94lI0W71vbonJsfRSF/FiES9 aSqVMXNREjyQr9iUi3LNXmXeWiWk8WdrSknQIrEdF1xgB3z6T/SDPsXqv tHb5W0r6QTxxK/9NRWBcT9NNV711L19/aEVnb0kkhZQJRrKt01h8W3ghu jhyly2uTTzhBln0YcHrTACpOU3KkrMTL+g7KHsZhl+C6C4cSNNisOU2QK rhObTX5HBwaIsqwEoFRy8eNy1g0RLvUcorPrDQIZaNyDzABZZGnNKLDDi OJWQa+VRFK3VMaKo2GYDagHtC5qRmJUeKy4/T2B0Sh5HqyAn19jPx42ey g==; X-IronPort-AV: E=McAfee;i="6600,9927,10775"; a="363676107" X-IronPort-AV: E=Sophos;i="6.01,214,1684825200"; d="scan'208";a="363676107" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jul 2023 06:58:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10775"; a="1054291132" X-IronPort-AV: E=Sophos;i="6.01,214,1684825200"; d="scan'208";a="1054291132" Received: from arthur-vostro-3668.sh.intel.com ([10.238.200.123]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jul 2023 06:58:46 -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: Tue, 18 Jul 2023 21:18:39 +0800 Message-Id: <20230718131844.5706-4-guang.zeng@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230718131844.5706-1-guang.zeng@intel.com> References: <20230718131844.5706-1-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