Message ID | 20190809160047.8319-83-alazar@bitdefender.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <owner-linux-mm@kvack.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B8EAD6C5 for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 9 Aug 2019 16:05:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A64AA1FE82 for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 9 Aug 2019 16:05:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9A3BB200DF; Fri, 9 Aug 2019 16:05:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1E7F41FE82 for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 9 Aug 2019 16:05:19 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 558326B02A9; Fri, 9 Aug 2019 12:01:43 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 355326B02AF; Fri, 9 Aug 2019 12:01:43 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 106AD6B02AC; Fri, 9 Aug 2019 12:01:43 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by kanga.kvack.org (Postfix) with ESMTP id B45766B02AA for <linux-mm@kvack.org>; Fri, 9 Aug 2019 12:01:42 -0400 (EDT) Received: by mail-wr1-f71.google.com with SMTP id i6so46680311wre.1 for <linux-mm@kvack.org>; Fri, 09 Aug 2019 09:01:42 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:from:to:cc :subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=z8ovcsAlXVdT6OIMczphTWF/Lfgm3hyIOp51cnmenDo=; b=N0roR+IEj8f6jpmxItc7opNVR1AXPXa7IAYtM94j3a/iOWAyQ/9poj6FC4sYgJerpb gjk7KOnWw2n31VitETtLb5wWsoPUYS4IkeJcKsvYoHK8c+KY4lR7t0QrQWk9LOMNFuYX x7ifKS3ti0OdS1GnRvDkHHJWtmxvDSjAxo+zH6rVAt5Y47/IboyGsRQIj8T/lB6Pwz/F 08JF4iAi5iqfXeW3Yhbasxrc3wfesOm6DEMPMjAQgcIhN/wxl3LfhP9PV8gILlD211KD rYUHY+xNR/y8REffh21fE7I6jdL4kOfB4AhCWhI49NTWhG08vDRckV7YKoFSr/Ceen0g mwyw== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of alazar@bitdefender.com designates 91.199.104.161 as permitted sender) smtp.mailfrom=alazar@bitdefender.com X-Gm-Message-State: APjAAAWv4AeN6h4uk61Juz+1V08w+sCV9BQyFarnutQFiAYZFlqIjeSA fTrIM5cfCM40+b3QiMmgymT7I/YWML5DNSHr7QCaQJcZH1WKKEf4Qr0x4HCMYjZDr6RgV6MgwDD jXgfDw8FFij2r4EMwZAebE9GinPqoM+odiZPV0MFlqc6q5Ntz6wMFmSr+0/F76Vj5/g== X-Received: by 2002:adf:fc0c:: with SMTP id i12mr23002217wrr.86.1565366502332; Fri, 09 Aug 2019 09:01:42 -0700 (PDT) X-Google-Smtp-Source: APXvYqxRj01vTzB0jmulELnVdmpwip1M/o3YQjsWv22vC/AeuklvUg6/qtUwEP57NemkqTQR3vDD X-Received: by 2002:adf:fc0c:: with SMTP id i12mr23002136wrr.86.1565366501501; Fri, 09 Aug 2019 09:01:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1565366501; cv=none; d=google.com; s=arc-20160816; b=WNM7uWB0ekN3HN/uKegTVX3h+hkyhGGbAwIrpPOXtsIHU4cDAeR/tNcvJX5M4a5pWM sZFUp+P3Gniqeih9XuQigqUPNzX01MGLjapPXrnPNI5nfF0QvMVIoPUtYgtc1lDbbrT9 DDOPzfKR0uTfJq2+c7lggKSiL5yL6LCaC15dM8/QsmpqNxtVl2zkDqU0H0KdcMY32Zvk XdtlJ6rdyBDvlWUb5+7ZgkIpv1I1rh7601BlC4n4JxnjzwUMrd388LPYBJ7Z2F0l/vd7 bgZyvteYipo/nhqJ9b/5rSWfyXEu4ng5bT83tFJHITvNNgKFcpnfVRyX6oqZx/Zg1lIo 362w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from; bh=z8ovcsAlXVdT6OIMczphTWF/Lfgm3hyIOp51cnmenDo=; b=wtCFfrD8v1ljmB9TUNHR1CESUcyRedQxq+OpbnyjRGXvu5vqcQ8xg9AKJCYYY3BzKs 5tQSNvxHZ19UggYiQ0STbrqjX8MASk5wAnp5HLIMIdWd3O0oi+xXXxtcV7C5rCIdY0VF ZfifyAMIU27t0HddigGIJQhd6eP2zkkSxiygSLjgp+5gvukV7oy3ES+zKhin5rn/I7lP GdyfOCFrspRssd6WawmilLh/IOx4yfmWpSI4L2IH+b0k93QVgMGwd0+fAPR90wRxSS3y ZgwvYpOSOcLfVH8S7XpYZJnghDm+tB5gxv+0yVe7ZHt2zqatebazp3+/25aaluxgViBn yK9w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of alazar@bitdefender.com designates 91.199.104.161 as permitted sender) smtp.mailfrom=alazar@bitdefender.com Received: from mx01.bbu.dsd.mx.bitdefender.com (mx01.bbu.dsd.mx.bitdefender.com. [91.199.104.161]) by mx.google.com with ESMTPS id w8si1988950wmm.53.2019.08.09.09.01.41 for <linux-mm@kvack.org> (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Aug 2019 09:01:41 -0700 (PDT) Received-SPF: pass (google.com: domain of alazar@bitdefender.com designates 91.199.104.161 as permitted sender) client-ip=91.199.104.161; Authentication-Results: mx.google.com; spf=pass (google.com: domain of alazar@bitdefender.com designates 91.199.104.161 as permitted sender) smtp.mailfrom=alazar@bitdefender.com Received: from smtp.bitdefender.com (smtp02.buh.bitdefender.net [10.17.80.76]) by mx01.bbu.dsd.mx.bitdefender.com (Postfix) with ESMTPS id E7B5A3031EC8; Fri, 9 Aug 2019 19:01:40 +0300 (EEST) Received: from localhost.localdomain (unknown [89.136.169.210]) by smtp.bitdefender.com (Postfix) with ESMTPSA id 80AB8305B7A0; Fri, 9 Aug 2019 19:01:40 +0300 (EEST) From: =?utf-8?q?Adalbert_Laz=C4=83r?= <alazar@bitdefender.com> To: kvm@vger.kernel.org Cc: linux-mm@kvack.org, virtualization@lists.linux-foundation.org, Paolo Bonzini <pbonzini@redhat.com>, =?utf-8?b?UmFkaW0gS3LEjW3DocWZ?= <rkrcmar@redhat.com>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, Tamas K Lengyel <tamas@tklengyel.com>, Mathieu Tarral <mathieu.tarral@protonmail.com>, =?utf-8?q?Samuel_Laur=C3=A9?= =?utf-8?q?n?= <samuel.lauren@iki.fi>, Patrick Colp <patrick.colp@oracle.com>, Jan Kiszka <jan.kiszka@siemens.com>, Stefan Hajnoczi <stefanha@redhat.com>, Weijiang Yang <weijiang.yang@intel.com>, Zhang@kvack.org, Yu C <yu.c.zhang@intel.com>, =?utf-8?q?Mihai_Don=C8=9Bu?= <mdontu@bitdefender.com>, =?utf-8?q?Adalbert_L?= =?utf-8?q?az=C4=83r?= <alazar@bitdefender.com> Subject: [RFC PATCH v6 82/92] kvm: x86: emulate movq r, xmm Date: Fri, 9 Aug 2019 19:00:37 +0300 Message-Id: <20190809160047.8319-83-alazar@bitdefender.com> In-Reply-To: <20190809160047.8319-1-alazar@bitdefender.com> References: <20190809160047.8319-1-alazar@bitdefender.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
VM introspection
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expand
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diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 2297955d0934..7c79504e58cd 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -172,6 +172,7 @@ #define NoMod ((u64)1 << 47) /* Mod field is ignored */ #define Intercept ((u64)1 << 48) /* Has valid intercept field */ #define CheckPerm ((u64)1 << 49) /* Has valid check_perm field */ +#define GPRModRM ((u64)1 << 50) /* The ModRM encoded register is a GP one */ #define PrivUD ((u64)1 << 51) /* #UD instead of #GP on CPL > 0 */ #define NearBranch ((u64)1 << 52) /* Near branches */ #define No16 ((u64)1 << 53) /* No 16 bit operand */ @@ -1197,6 +1198,11 @@ static u8 simd_prefix_to_bytes(const struct x86_emulate_ctxt *ctxt, if (simd_prefix == 0x66) bytes = 8; break; + case 0x6e: + /* movq r/m64, xmm */ + if (simd_prefix == 0x66) + bytes = 8; + break; default: break; } @@ -1262,7 +1268,7 @@ static int decode_modrm(struct x86_emulate_ctxt *ctxt, op->bytes = (ctxt->d & ByteOp) ? 1 : ctxt->op_bytes; op->addr.reg = decode_register(ctxt, ctxt->modrm_rm, ctxt->d & ByteOp); - if (ctxt->d & Sse) { + if ((ctxt->d & Sse) && !(ctxt->d & GPRModRM)) { op->type = OP_XMM; op->bytes = ctxt->op_bytes; op->addr.xmm = ctxt->modrm_rm; @@ -4546,6 +4552,10 @@ static const struct gprefix pfx_0f_6f_0f_7f = { I(Mmx, em_mov), I(Sse | Aligned, em_mov), N, I(Sse | Unaligned, em_mov), }; +static const struct gprefix pfx_0f_6e_0f_7e = { + N, I(Sse, em_mov), N, N +}; + static const struct instr_dual instr_dual_0f_2b = { I(0, em_mov), N }; @@ -4807,7 +4817,8 @@ static const struct opcode twobyte_table[256] = { N, N, N, N, N, N, N, N, N, N, N, N, - N, N, N, GP(SrcMem | DstReg | ModRM | Mov, &pfx_0f_6f_0f_7f), + N, N, GP(SrcMem | DstReg | ModRM | GPRModRM | Mov, &pfx_0f_6e_0f_7e), + GP(SrcMem | DstReg | ModRM | Mov, &pfx_0f_6f_0f_7f), /* 0x70 - 0x7F */ N, N, N, N, N, N, N, N,