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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 42265C433F5 for ; Mon, 25 Apr 2022 09:16:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=aCBWJqQ+LBLeMbO9INK8MbC67lFV762rtEl0e10cjq4=; b=L8WN8tc36taTz9jwmeUDWy7Gnv uc31ts3Ebz2NZRncYdECrqfkoVVm7Zp9Dj4hzh2GBXlopwVZGl2wYRkzCiY9cyiQzFekr9O9iT2rt tQX99nAGqElZUdvVO/P3xSn3J23sFgQmYk65Cjasn40e6Sw0VhegJ73Dawq3yp5wj1L78iBsO6opr 1Nf0KvPTqrO6u7m6Q1iUjgo4VHotuByUi+2MaaWICq8v2XLQocG0dRIY/SHPylfZCOf5Ge7m16rY4 wWB+bqE5UP+4EGiuVURXVEYdUeZ/CEpzmzCdQnS1V6qLKW8O6HlhleKm7X02IP224DxgSA41uQ+gP Az0EOELA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1niuoG-008sCj-D6; Mon, 25 Apr 2022 09:15:08 +0000 Received: from smtp-out2.suse.de ([195.135.220.29]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1niuoC-008s6v-7l for linux-arm-kernel@lists.infradead.org; Mon, 25 Apr 2022 09:15:07 +0000 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 75DF71F37D; Mon, 25 Apr 2022 09:14:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1650878093; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=LxD+ce4AUrEfdda18R4wniDCcWxz9Eqepxe4MqD5yjk=; b=e8Mew+GNxXEIiziOIGlK1boajGXRxPWnv1C6nzdj5Cv2lzSriJ7X4lY1kezY0cy7j4KhXn w3S30JRFv9cnWZAUbw9MWOl2pQXfJO2wmSq/d3cUh9lAlfDrpsypGOkNpMdPoulGq90emh WyXDnoqBBcdIxnYfUX6Q3Zd/18Kt5Qo= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id F0F8E13AE1; Mon, 25 Apr 2022 09:14:52 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 6nJWOYxmZmKpEwAAMHmgww (envelope-from ); Mon, 25 Apr 2022 09:14:52 +0000 Message-ID: <147f68f6-7d67-1884-bd14-5040639b3396@suse.com> Date: Mon, 25 Apr 2022 11:14:52 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [PATCH V1 3/6] xen/virtio: Add option to restrict memory access under Xen Content-Language: en-US To: Christoph Hellwig Cc: Oleksandr , xen-devel@lists.xenproject.org, x86@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Boris Ostrovsky , Stefano Stabellini , Julien Grall , Oleksandr Tyshchenko , "Michael S. Tsirkin" , Tom Lendacky References: <1650646263-22047-1-git-send-email-olekstysh@gmail.com> <1650646263-22047-4-git-send-email-olekstysh@gmail.com> <6c5042fe-dafc-eb4f-c1fa-03b0faf252de@gmail.com> From: Juergen Gross In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220425_021504_470305_5D9D76B7 X-CRM114-Status: GOOD ( 19.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4848125372495506600==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============4848125372495506600== Content-Language: en-US Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------3cKMf0pMZzCdnbR0F91OT6d3" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------3cKMf0pMZzCdnbR0F91OT6d3 Content-Type: multipart/mixed; boundary="------------6LRm3VWi03bXvVqBYjAyZb1V"; protected-headers="v1" From: Juergen Gross To: Christoph Hellwig Cc: Oleksandr , xen-devel@lists.xenproject.org, x86@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Boris Ostrovsky , Stefano Stabellini , Julien Grall , Oleksandr Tyshchenko , "Michael S. Tsirkin" , Tom Lendacky Message-ID: <147f68f6-7d67-1884-bd14-5040639b3396@suse.com> Subject: Re: [PATCH V1 3/6] xen/virtio: Add option to restrict memory access under Xen References: <1650646263-22047-1-git-send-email-olekstysh@gmail.com> <1650646263-22047-4-git-send-email-olekstysh@gmail.com> <6c5042fe-dafc-eb4f-c1fa-03b0faf252de@gmail.com> In-Reply-To: --------------6LRm3VWi03bXvVqBYjAyZb1V Content-Type: multipart/mixed; boundary="------------tzkTspFuEKkqBFjbFcKiNoA0" --------------tzkTspFuEKkqBFjbFcKiNoA0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMjUuMDQuMjIgMDk6NTgsIENocmlzdG9waCBIZWxsd2lnIHdyb3RlOg0KPiBPbiBNb24s IEFwciAyNSwgMjAyMiBhdCAwOTo0Nzo0OUFNICswMjAwLCBKdWVyZ2VuIEdyb3NzIHdyb3Rl Og0KPj4+IFdvdWxkIHRoZSBYZW4gc3BlY2lmaWMgYml0cyBmaXQgaW50byBDb25maWRlbnRp YWwgQ29tcHV0aW5nIFBsYXRmb3JtDQo+Pj4gY2hlY2tzPyBJIHdpbGwgbGV0IEp1ZXJnZW4v Qm9yaXMgY29tbWVudCBvbiB0aGlzLg0KPj4NCj4+IEkgZG9uJ3QgdGhpbmsgY2NfcGxhdGZv cm1faGFzIHdvdWxkIGJlIGNvcnJlY3QgaGVyZS4gWGVuIGNlcnRhaW5seQ0KPj4gcHJvdmlk ZXMgbW9yZSBpc29sYXRpb24gYmV0d2VlbiBndWVzdHMgYW5kIGRvbTAsIGJ1dCAiQ29uZmlk ZW50aWFsDQo+PiBDb21wdXRpbmciIGlzIGJhc2ljYWxseSBvcnRob2dvbmFsIHRvIHRoYXQg ZmVhdHVyZS4NCj4gDQo+IFRoZSBwb2ludCBvZiBjY19wbGF0Zm9ybV9oYXMgaXMgdG8gcmVt b3ZlIGFsbCB0aGVzZSBvcGVuIGNvZGUgY2hlY2tzLg0KPiBJZiBhIFhlbiBoeXBlcnZpc29y IC8gZG9tMCBjYW4ndCBhY2Nlc3MgYXJiaXRyYXJ5IGd1ZXN0IG1lbW9yeSBmb3INCj4gdmly dHVhbCBJL08gYW5kIHdlIG5lZWQgc3BlY2lhbCBBUElzIGZvciB0aGF0IGl0IGNlcnRhaW5s eSBmYWxzZQ0KPiBpbnRvIHRoZSBzY29wZSBvZiBjY19wbGF0Zm9ybV9oYXMsIGV2ZW4gaWYg dGhlIGNvbmZpZW50aWFsaXR5IGlzDQo+IHJhdGhlciBsaW1pdGVkLg0KDQpJbiBjYXNlIHRo ZSB4ODYgbWFpbnRhaW5lcnMgYXJlIGZpbmUgd2l0aCB0aGF0IEkgd29uJ3Qgb3Bwb3NlLg0K DQoNCkp1ZXJnZW4NCg== --------------tzkTspFuEKkqBFjbFcKiNoA0 Content-Type: application/pgp-keys; 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