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 88A6EC433F5 for ; Mon, 25 Apr 2022 07:49:01 +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=dHEH7ixZkN/VX9eRwoOnZ5/BDmQRNLtWUgIdbTzyQDA=; b=tOOVpUIkMfhwB/7iEON2RZ9/F4 WIgL4IwMBWq6uh3rZsCHdtd5JkB9vW/Z2lI7x7/St+Uo6RDRnppNgvxhLfPMOvhDh+fmaSt4e+d2h YtrlxcUYfMzBuLP0IwARPQJMuxdr7hFeBEuOH14Xx6hZbOPDXbSnf4Qj/tMVISQpOC/vfA4uxH5IW b7of2lrL/7hHr3tXG0KMejR+nldRHIVbIsnCCv34A9ciAsDzZxoZq7wAoFZOLRJ6NlbZVOmxv0vhC dEuuSYa7l78ithyaxtmBwQRnnGSlDc9DnXxo8ffENXSSEsvvBK3J72S4iUGNSn9ewGrBEXZ3fUbRg X39GpXbg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nitRw-008fAZ-5O; Mon, 25 Apr 2022 07:48:00 +0000 Received: from smtp-out1.suse.de ([195.135.220.28]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nitRs-008f7Y-Eg for linux-arm-kernel@lists.infradead.org; Mon, 25 Apr 2022 07:47:58 +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-out1.suse.de (Postfix) with ESMTPS id D1053210E3; Mon, 25 Apr 2022 07:47:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1650872870; 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=XOZ4B64PQp3QRZDkrypCGMf/bZ0hCmFjlGKE4h24+mM=; b=PK0exDEEY6G0RKSVAYgvQ3K/zqysbdYeTj5P2OWOYQeGD4yDVU0gcaTHnBLurBsf5QgfoT fAH14WNJ9QRhLfjDUm8YmHYbC1hcVVvzXyUCWIBIkc3plaYi3dYcjyxRuQBNzQFZpqmJ1T TXZUceooP1N5NHCaZflRC187gXd97IY= 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 4E2A213AED; Mon, 25 Apr 2022 07:47:50 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id anV8ESZSZmLGaQAAMHmgww (envelope-from ); Mon, 25 Apr 2022 07:47:50 +0000 Message-ID: Date: Mon, 25 Apr 2022 09:47:49 +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: Oleksandr , Christoph Hellwig Cc: 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" 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: <6c5042fe-dafc-eb4f-c1fa-03b0faf252de@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220425_004756_703777_B7171226 X-CRM114-Status: GOOD ( 20.67 ) 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="===============7380007528311591151==" 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) --===============7380007528311591151== Content-Language: en-US Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------RTRugpKcpQELUP0Gus1cI1VK" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------RTRugpKcpQELUP0Gus1cI1VK Content-Type: multipart/mixed; boundary="------------XSdyHfDZ8NSbH9riXD1TXs2C"; protected-headers="v1" From: Juergen Gross To: Oleksandr , Christoph Hellwig Cc: 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" Message-ID: 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: <6c5042fe-dafc-eb4f-c1fa-03b0faf252de@gmail.com> --------------XSdyHfDZ8NSbH9riXD1TXs2C Content-Type: multipart/mixed; boundary="------------AUotc6vkbgM0g5J5WIJwHZMe" --------------AUotc6vkbgM0g5J5WIJwHZMe Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMjQuMDQuMjIgMTg6NTMsIE9sZWtzYW5kciB3cm90ZToNCj4gDQo+IE9uIDIzLjA0LjIy IDE5OjQwLCBDaHJpc3RvcGggSGVsbHdpZyB3cm90ZToNCj4gDQo+IA0KPiBIZWxsbyBDaHJp c3RvcGgNCj4gDQo+PiBQbGVhc2Ugc3BsaXQgdGhpcyBpbnRvIG9uZSBwYXRjaCB0aGF0IGNy ZWF0ZXMgZ3JhbnQtZG1hLW9wcywgYW5kIGFub3RoZXINCj4+IHRoYXQgc2V0cyB1cCB0aGUg dmlydGlvIHJlc3RyaWN0ZWQgYWNjZXNzIGhlbHBlcnMuDQo+IA0KPiANCj4gU291bmRzIHJl YXNvbmFibGUsIHdpbGwgZG86DQo+IA0KPiAxLiBncmFudC1kbWEtb3BzLmMgd2l0aCBjb25m aWcgWEVOX0dSQU5UX0RNQV9PUFMNCj4gDQo+IDIuIGFyY2hfaGFzX3Jlc3RyaWN0ZWRfdmly dGlvX21lbW9yeV9hY2Nlc3MoKSB3aXRoIGNvbmZpZyBYRU5fVklSVElPDQo+IA0KPiANCj4+ DQo+Pj4gKw0KPj4+ICsjaWZkZWYgQ09ORklHX0FSQ0hfSEFTX1JFU1RSSUNURURfVklSVElP X01FTU9SWV9BQ0NFU1MNCj4+PiAraW50IGFyY2hfaGFzX3Jlc3RyaWN0ZWRfdmlydGlvX21l bW9yeV9hY2Nlc3Modm9pZCkNCj4+PiArew0KPj4+ICvCoMKgwqAgcmV0dXJuICh4ZW5faGFz X3Jlc3RyaWN0ZWRfdmlydGlvX21lbW9yeV9hY2Nlc3MoKSB8fA0KPj4+ICvCoMKgwqDCoMKg wqDCoMKgwqDCoMKgIGNjX3BsYXRmb3JtX2hhcyhDQ19BVFRSX0dVRVNUX01FTV9FTkNSWVBU KSk7DQo+Pj4gK30NCj4+IFNvIGluc3RlYWQgb2YgaGFyZGNvZGluZyBYZW4gaGVyZSwgdGhp cyBzZWVtcyBsaWtlIGEgY2FuZGlkYXRlIGZvcg0KPj4gYW5vdGhlciBjY19wbGF0Zm9ybV9o YXMgZmxhZy4NCj4gDQo+IA0KPiBJIGhhdmUgYSBsaW1pdGVkIGtub3dsZWRnZSBvZiB4ODYg YW5kIFhlbiBvbiB4ODYuDQo+IA0KPiBXb3VsZCB0aGUgWGVuIHNwZWNpZmljIGJpdHMgZml0 IGludG8gQ29uZmlkZW50aWFsIENvbXB1dGluZyBQbGF0Zm9ybSBjaGVja3M/IEkgDQo+IHdp bGwgbGV0IEp1ZXJnZW4vQm9yaXMgY29tbWVudCBvbiB0aGlzLg0KDQpJIGRvbid0IHRoaW5r IGNjX3BsYXRmb3JtX2hhcyB3b3VsZCBiZSBjb3JyZWN0IGhlcmUuIFhlbiBjZXJ0YWlubHkN CnByb3ZpZGVzIG1vcmUgaXNvbGF0aW9uIGJldHdlZW4gZ3Vlc3RzIGFuZCBkb20wLCBidXQg IkNvbmZpZGVudGlhbA0KQ29tcHV0aW5nIiBpcyBiYXNpY2FsbHkgb3J0aG9nb25hbCB0byB0 aGF0IGZlYXR1cmUuDQoNCg0KSnVlcmdlbg0K --------------AUotc6vkbgM0g5J5WIJwHZMe Content-Type: application/pgp-keys; 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