From patchwork Mon Aug 3 14:53:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Beulich X-Patchwork-Id: 11698309 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 85912138A for ; Mon, 3 Aug 2020 14:55:14 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6B8E320775 for ; Mon, 3 Aug 2020 14:55:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6B8E320775 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1k2bqc-0005Y6-KZ; Mon, 03 Aug 2020 14:53:54 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1k2bqa-0005Xr-Pi for xen-devel@lists.xenproject.org; Mon, 03 Aug 2020 14:53:52 +0000 X-Inumbo-ID: 25152b08-d599-11ea-9097-bc764e2007e4 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 25152b08-d599-11ea-9097-bc764e2007e4; Mon, 03 Aug 2020 14:53:52 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id AC755AC24; Mon, 3 Aug 2020 14:54:06 +0000 (UTC) Subject: [PATCH 08/10] x86emul: AVX512PF insns aren't memory accesses From: Jan Beulich To: "xen-devel@lists.xenproject.org" References: <97ca3d9c-7540-c7b1-cf84-34c75c9127df@suse.com> Message-ID: Date: Mon, 3 Aug 2020 16:53:50 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <97ca3d9c-7540-c7b1-cf84-34c75c9127df@suse.com> Content-Language: en-US X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Andrew Cooper , Wei Liu , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" These are prefetches, so should be treated just like other prefetches. Fixes: ("x86emul: support AVX512PF insns") Signed-off-by: Jan Beulich --- a/xen/arch/x86/x86_emulate/x86_emulate.c +++ b/xen/arch/x86/x86_emulate/x86_emulate.c @@ -12265,6 +12265,8 @@ x86_insn_is_mem_access(const struct x86_ ... X86EMUL_OPC_F2(0x0f, 0x1f): /* NOP space */ case X86EMUL_OPC(0x0f, 0xb9): /* UD1 */ case X86EMUL_OPC(0x0f, 0xff): /* UD0 */ + case X86EMUL_OPC_EVEX_66(0x0f38, 0xc6): /* V{GATH,SCATT}ERPF*D* */ + case X86EMUL_OPC_EVEX_66(0x0f38, 0xc7): /* V{GATH,SCATT}ERPF*Q* */ return false; case X86EMUL_OPC(0x0f, 0x01):