From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0826C43331 for ; Fri, 6 Sep 2019 13:41:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C055020650 for ; Fri, 6 Sep 2019 13:41:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="V103KYjn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393347AbfIFNlb (ORCPT ); Fri, 6 Sep 2019 09:41:31 -0400 Received: from smtp-fw-4101.amazon.com ([72.21.198.25]:49334 "EHLO smtp-fw-4101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732512AbfIFNla (ORCPT ); Fri, 6 Sep 2019 09:41:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1567777289; x=1599313289; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=XMIKAY1xJL7NYmAZNKLAmXbXU9LqB+oBH7gwXT7mxi8=; b=V103KYjnlek9k+nL+OVEjDwuZdjOUKzrO7ByegAxEQKVOm42LtsYvtP3 lXtO6IOeT223cMU8QZzIQ1Um0sHXjjGdeGlbBpP7YAjBprowS5UkW/4Qp 5VShguIqxbuW+n6jUwLtiG0vRh/1CTThdgTgHMR0xO6ZWZof+DT0tsOJg 8=; X-IronPort-AV: E=Sophos;i="5.64,473,1559520000"; d="scan'208";a="783639180" Received: from iad6-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-2b-8cc5d68b.us-west-2.amazon.com) ([10.124.125.6]) by smtp-border-fw-out-4101.iad4.amazon.com with ESMTP; 06 Sep 2019 13:41:26 +0000 Received: from EX13MTAUWC001.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan3.pdx.amazon.com [10.170.41.166]) by email-inbound-relay-2b-8cc5d68b.us-west-2.amazon.com (Postfix) with ESMTPS id 5EB25A17B2; Fri, 6 Sep 2019 13:41:25 +0000 (UTC) Received: from EX13D20UWC001.ant.amazon.com (10.43.162.244) by EX13MTAUWC001.ant.amazon.com (10.43.162.135) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Fri, 6 Sep 2019 13:41:24 +0000 Received: from 38f9d3867b82.ant.amazon.com (10.43.162.218) by EX13D20UWC001.ant.amazon.com (10.43.162.244) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Fri, 6 Sep 2019 13:41:22 +0000 Subject: Re: [PATCH 1/1] KVM: inject data abort if instruction cannot be decoded To: Peter Maydell , Christoffer Dall CC: =?UTF-8?Q?Daniel_P=2e_Berrang=c3=a9?= , Marc Zyngier , lkml - Kernel Mailing List , Stefan Hajnoczi , Heinrich Schuchardt , , arm-mail-list References: <20190904180736.29009-1-xypron.glpk@gmx.de> <86r24vrwyh.wl-maz@kernel.org> <86mufjrup7.wl-maz@kernel.org> <20190905092223.GC4320@e113682-lin.lund.arm.com> <4b6662bd-56e4-3c10-3b65-7c90828a22f9@kernel.org> <20190906080033.GF4320@e113682-lin.lund.arm.com> <20190906131252.GG4320@e113682-lin.lund.arm.com> From: Alexander Graf Message-ID: <28c5c021-7cb0-616b-4215-dd75242c16e6@amazon.com> Date: Fri, 6 Sep 2019 15:41:20 +0200 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [10.43.162.218] X-ClientProxiedBy: EX13D16UWB004.ant.amazon.com (10.43.161.170) To EX13D20UWC001.ant.amazon.com (10.43.162.244) Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CgpPbiAwNi4wOS4xOSAxNTozMSwgUGV0ZXIgTWF5ZGVsbCB3cm90ZToKPiBPbiBGcmksIDYgU2Vw IDIwMTkgYXQgMTQ6MTMsIENocmlzdG9mZmVyIERhbGwgPGNocmlzdG9mZmVyLmRhbGxAYXJtLmNv bT4gd3JvdGU6Cj4+IEknZCBwcmVmZXIgbGVhdmluZyBpdCB0byB1c2Vyc3BhY2UgdG8gd29ycnkg YWJvdXQsIGJ1dCBJIHRob3VnaHQgUGV0ZXIKPj4gc2FpZCB0aGF0IGhhZCBiZWVuIHByb2JsZW1h dGljIGhpc3RvcmljYWxseSwgd2hpY2ggSSB0b29rIGF0IGZhY2UgdmFsdWUsCj4+IGJ1dCBJIGNv dWxkIGhhdmUgbWlzdW5kZXJzdG9vZC4KPj4KPj4gSWYgUUVNVSwga3ZtdG9vbCwgYW5kIHdoYXRl dmVyIHRoZSBjcmF6eV5IIGNvb2wga2lkcyBhcmUgdXNpbmcgaW4KPj4gdXNlcnNwYWNlIHRoZXNl IGRheXMgYXJlIGhhcHB5IGVtdWxhdGluZyB0aGUgZXhjZXB0aW9uLCB0aGVuIHRoYXQncyBhCj4+ IHZpYWJsZSBhcHByb2FjaC4gIFRoZSBtYWluIGNvbmNlcm4gSSBoYXZlIHdpdGggdGhhdCBpcyB3 aGV0aGVyIHRoZXknbGwKPj4gYWxsIGdldCBpdCByaWdodCwgYW5kIHNpbmNlIHdlIGFscmVhZHkg aGF2ZSB0aGUgY29kZSBpbiB0aGUga2VybmVsIHRvIGRvCj4+IHRoaXMsIGl0IG1pZ2h0IG1ha2Ug c2Vuc2UgdG8gcmUtdXNlIHRoZSBrZXJuZWwgbG9naWMgZm9yIGl0Lgo+IAo+IFdlbGwsIGZvciBR RU1VIHdlJ3ZlIGhhZCBjb2RlIHRoYXQgaW4gdGhlb3J5IG1pZ2h0IGRvIHRoaXMgYnV0Cj4gaW4g cHJhY3RpY2UgaXQncyBuZXZlciBiZWVuIHRlc3RlZC4gRXNzZW50aWFsbHkgdGhlIHByb2JsZW0g aXMKPiB0aGF0IG5vYm9keSBldmVyIHdhbnRzIHRvIGluamVjdCBhbiBleGNlcHRpb24gZnJvbSB1 c2Vyc3BhY2UKPiBleGNlcHQgaW4gaW5jcmVkaWJseSByYXJlIGNhc2VzIGxpa2UgInRyeWluZyB0 byB1c2UgaC93IGJyZWFrcG9pbnRzCj4gc2ltdWx0YW5lb3VzbHkgaW5zaWRlIHRoZSBWTSBhbmQg YWxzbyB0byBkZWJ1ZyB0aGUgVk0gZnJvbSBvdXRzaWRlIgo+IG9yICJ3ZSdyZSBydW5uaW5nIG9u IFJBUyBoYXJkd2FyZSB0aGF0IGp1c3QgdG9sZCB1cyB0aGF0IHRoZSBWTSdzCj4gUkFNIHdhcyBm YXVsdHkiLiBUaGVyZSdzIG5vIGV2ZW4gdmFndWVseSBjb21tb25seS11c2VkIHVzZWNhc2UKPiBm b3IgaXQgdG9kYXk7IGFuZCB0aGlzIEFCSSBzdWdnZXN0aW9uIGFkZHMgYW5vdGhlciAidGhpcyBp cyBpbgo+IHByYWN0aWNlIGFsbW9zdCBuZXZlciBnb2luZyB0byBoYXBwZW4iIGNhc2UgdG8gdGhl IHBpbGUuIFRoZQo+IGNvZGVwYXRoIGlzIHVucmVsaWFibGUgaW4gUUVNVSBiZWNhdXNlIChhKSBp dCByZXF1aXJlcyBnZXR0aW5nCj4gc3luY2luZyBvZiBzeXNyZWcgdmFsdWVzIHRvIGFuZCBmcm9t IHRoZSBrZXJuZWwgcmlnaHQgLS0gdGhpcyBpcwo+IGFib3V0IHRoZSBvbmx5IHNpdHVhdGlvbiB3 aGVyZSB1c2Vyc3BhY2Ugd2FudHMgdG8gbW9kaWZ5IHN5c3JlZ3MKPiBkdXJpbmcgZXhlY3V0aW9u IG9mIHRoZSBWTSwgYXMgb3Bwb3NlZCB0byBqdXN0IHJlYWRpbmcgdGhlbSAtLSBhbmQKPiAoYikg d2UgdHJ5IHRvIHJldXNlIHRoZSBjb2RlIHdlIGFscmVhZHkgaGF2ZSB0aGF0IGRvZXMgVENHIGV4 Y2VwdGlvbgo+IGluamVjdGlvbiwgd2hpY2ggbWlnaHQgb3IgbWlnaHQgbm90IGJlIGEgZGVzaWdu IG1pc3Rha2UsIGFuZAoKVGhhdCdzIHByb2JhYmx5IGEgZGVzaWduIG1pc3Rha2UsIGNvcnJlY3Qg OikKCj4gKGMpIGFzIG5vdGVkIGFib3ZlIGl0J3MgYSBuZXZlci1hY3R1YWxseS11c2VkIHVudGVz dGVkIGNvZGVwYXRoLi4uCgpTb3VuZHMgbGlrZSBhbiBlYXN5IHRoaW5nIHRvIHJlc29sdmUgdXNp bmcga3ZtLXVuaXQtdGVzdHM/Cgo+IFNvIEkgdGhpbmsgaWYgSSB3ZXJlIHlvdSBJIHdvdWxkbid0 IGNvbW1pdCB0byB0aGUga2VybmVsIEFCSSB1bnRpbAo+IHNvbWVib2R5IGhhZCBhdCBsZWFzdCB3 cml0dGVuIHNvbWUgUkZDLXF1YWxpdHkgcGF0Y2hlcyBmb3IgUUVNVSBhbmQKPiB0ZXN0ZWQgdGhh dCB0aGV5IHdvcmsgYW5kIHRoZSBBQkkgaXMgT0sgaW4gdGhhdCBzZW5zZS4gKEZvciB0aGUKPiBh dm9pZGFuY2Ugb2YgZG91YnQsIEknbSBub3Qgdm9sdW50ZWVyaW5nIHRvIGRvIHRoYXQgbXlzZWxm LikKPiBJIGRvbid0IG9iamVjdCB0byB0aGUgaWRlYSBpbiBwcmluY2lwbGUsIHRob3VnaC4KPiAK PiBQUzogdGhlIG90aGVyICJpbmplY3RpbmcgZXhjZXB0aW9ucyB0byB0aGUgZ3Vlc3QiIG9kZGl0 eSBpcyB0aGF0Cj4gaWYgdGhlIGtlcm5lbCAqZG9lcyogZmluZCB0aGUgSVNWIGluZm9ybWF0aW9u IGFuZCByZXR1cm5zIHRvIHVzZXJzcGFjZQo+IGZvciBpdCB0byBoYW5kbGUgdGhlIE1NSU8sIHRo ZXJlJ3Mgbm8gd2F5IGZvciB1c2Vyc3BhY2UgdG8gc2F5Cj4gImFjdHVhbGx5IHRoYXQgYWRkcmVz cyBpcyBzdXBwb3NlZCB0byBnZW5lcmF0ZSBhIGRhdGEgYWJvcnQiLgoKSSB0aGluayB3ZSdyZSBj b252ZXJnaW5nIGhlcmUuIE15IHByb3Bvc2FsIGlzIHRoYXQgImluamVjdCBhIGZhdWx0IiAKc2hv dWxkIG5vdCBiZSBzb21ldGhpbmcgc3BlY2lhbCBjYXNlZCBmb3IgdGhlICJJIGNhbid0IGRlY29k ZSB0aGUgCmluc3RydWN0aW9uIiBjYXNlLCBidXQgcmF0aGVyIHRoYXQgd2UgbmVlZCBhIG1vcmUg Z2VuZXJpYyBtZWNoYW5pc20uCgpXaGV0aGVyIHRoYXQncyBhIG5ldyBpb2N0bCwgYSBmbGFnIHdl IHNldCBvbiBlbnRyeSBvciBzb21ldGhpbmcgZWxzZSBpcyAKYW4gaW1wbGVtZW50YXRpb24gZGV0 YWlsIEknbGwgYmUgaGFwcHkgdG8gbGVhdmUgZm9yIGRpc2N1c3Npb24uCgpUaGUgb25seSB0aGlu ZyBJJ2QgbGlrZSB0byBhdm9pZCBzZWVpbmcgaXMgdGhhdCB3ZSBjcmVhdGUgYSBuZXcgdXNlciAK c3BhY2UgQUJJIHRoYXQgbWFrZXMgaXQgZWFzeSB0byBpbmplY3QgYSBzaW5nbGUsIHBhcnRpY3Vs YXIgZXhjZXB0aW9uLCAKYnV0IG5vdCBzb2x2ZSBhbGwgb2YgdGhlIG90aGVyIGNhc2VzIHdoaWxl IGNyZWF0aW5nIGV4dHJhIHdvcmsgdG8ganVzdCAKaW1wbGVtZW50IGluc3RydWN0aW9uIGRlY29k aW5nIGluIHVzZXIgc3BhY2UuCgoKQWxleAoKCgpBbWF6b24gRGV2ZWxvcG1lbnQgQ2VudGVyIEdl cm1hbnkgR21iSApLcmF1c2Vuc3RyLiAzOAoxMDExNyBCZXJsaW4KR2VzY2hhZWZ0c2Z1ZWhydW5n OiBDaHJpc3RpYW4gU2NobGFlZ2VyLCBSYWxmIEhlcmJyaWNoCkVpbmdldHJhZ2VuIGFtIEFtdHNn ZXJpY2h0IENoYXJsb3R0ZW5idXJnIHVudGVyIEhSQiAxNDkxNzMgQgpTaXR6OiBCZXJsaW4KVXN0 LUlEOiBERSAyODkgMjM3IDg3OQoKCg==