From patchwork Tue Jul 18 13:18:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zeng Guang X-Patchwork-Id: 122075 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:c923:0:b0:3e4:2afc:c1 with SMTP id j3csp1791890vqt; Tue, 18 Jul 2023 07:34:41 -0700 (PDT) X-Google-Smtp-Source: APBJJlHqfMwMKpOb0zMjjCdfflHRrJDwttKGzuHUOVx13Ryoqq7RBVkYR0Zgx3PYDGLQcfJZsD+G X-Received: by 2002:aa7:c68e:0:b0:51e:d4b:3c9d with SMTP id n14-20020aa7c68e000000b0051e0d4b3c9dmr97574edq.23.1689690881555; Tue, 18 Jul 2023 07:34:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1689690881; cv=none; d=google.com; s=arc-20160816; b=vpIm0sRBDwExvioCpQ0yppVVoiklB6S+oKtLs2iVmBDq6ZNpUItJdSzINc32K8SUOW 1J4b29TQN6guTR2xP2uqAZooSQqfpXg6HQbarEwZNlpKLOV9FVxDn5Eg9nFbS/5TtUy2 4UYmNWxTA/90WV1x16ZUqHZzzVjK0r4/ssBegLm2Q07lnsSuU2QFpPxRIcXgrjJ+k5Ug js2+WmTSMJFoU4uzELOSrVZXU1GMdKwZltKjeUdTpSAx06mpxM+gkwzkcBuB/sNLU2IS xGnkiTlB1ztmojf8yOuZNRdWOUdKAJJUJuwNYKm5wONUXLGCItxCtMcGcLsQTxcUQjRd nLtw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :cc:to:from:dkim-signature; bh=rgHLzcVMhIFw1tOXRrc/vXJkxSauVijxB1HLq/hsq8I=; fh=Anq9OfXDpkFCOPFtgh8QgUfzP993MEtJnx/ssiwHMkk=; b=xXMduonjdC6IO2F/BneVmWqlSV8rywEVmzDVkj+D61lBJD8ucQrwHBnVZ8vUlR29h3 PEnaQr19Ox/KhOzAE1ehvO2G2eeBMhAmrTfzHP4hXbZrXXTYCZpDy5cmBTA7tZJb6hcX UbLrfQilioymBUGh02Qk4cSMvGc9jTJh2O8Z2+v2dULB4Y1F8UNc3tJ8YcLhb244Q8BY 9uZPmcnQ/KfFzUmdX5yeWITqbOpnws5w6ANoj4fcldsVXaCPAYr2KSdPtZqyMe+Tn5bV U2AZq4FaWNFVyAeJdJiMce9/3iVK6Ww5nnkNLkQTzgjwL2mK66iu4rOXhSHyTN7TqdN2 8BiQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b="EFasp/xR"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id l14-20020a056402124e00b0051de1903200si1246116edw.423.2023.07.18.07.34.17; Tue, 18 Jul 2023 07:34:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b="EFasp/xR"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229819AbjGROAe (ORCPT + 99 others); Tue, 18 Jul 2023 10:00:34 -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> X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771769306102691756 X-GMAIL-MSGID: 1771769306102691756 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) struct x86_emulate_ops { void (*vm_bugged)(struct x86_emulate_ctxt *ctxt);