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[23.128.96.19]) by mx.google.com with ESMTPS id b15-20020a170903228f00b0015a81cfcfd8si1356897plh.608.2022.04.27.04.26.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Apr 2022 04:26:30 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.com header.s=susede1 header.b=gvWd353V; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=suse.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 49A672857F6; Wed, 27 Apr 2022 03:23:16 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348563AbiDZKOO (ORCPT + 99 others); Tue, 26 Apr 2022 06:14:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348684AbiDZKNy (ORCPT ); Tue, 26 Apr 2022 06:13:54 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3754513CC19 for ; Tue, 26 Apr 2022 02:36:43 -0700 (PDT) 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 C2CDB1F388; Tue, 26 Apr 2022 09:36:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1650965801; 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=EUQK0UrRdBk8Q2sGZ93kmWFjUqFp5PWkpPtI0Lm2aRY=; b=gvWd353VWSRyhGWYpimQX7SXcbn7XsHgb6+XaL3pkb6m2iMa5Q/slz24DEoqEXuAmpQ2yL itCgfBRlISGkb0HGvoUHJa+5xwQ4mVJpI1la2KXF1qGAVGJGpMZaLq/KOqDDXoFngrjLHC BX6DvnP0D5iUv9fqmoCoExsoLxMcP1I= 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 3F80D13223; Tue, 26 Apr 2022 09:36:41 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id mQLCDSm9Z2IYOwAAMHmgww (envelope-from ); Tue, 26 Apr 2022 09:36:41 +0000 Message-ID: Date: Tue, 26 Apr 2022 11:36:40 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Content-Language: en-US To: Borislav Petkov Cc: Oleksandr , Christoph Hellwig , Boris Ostrovsky , Stefano Stabellini , 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 , "H. Peter Anvin" , 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> <147f68f6-7d67-1884-bd14-5040639b3396@suse.com> <67c7460a-3001-35a6-8e5b-f367270b257a@gmail.com> <7d89848a-3a1c-415d-957a-564ffdd3712d@suse.com> From: Juergen Gross Subject: Re: [PATCH V1 3/6] xen/virtio: Add option to restrict memory access under Xen In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------MEdTqrYFN27Y5WG0EBQDaTQK" X-Spam-Status: No, score=-3.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,RDNS_NONE,SPF_HELO_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------MEdTqrYFN27Y5WG0EBQDaTQK Content-Type: multipart/mixed; boundary="------------0rFmA268sw5cKzSrXO9Tr00V"; protected-headers="v1" From: Juergen Gross To: Borislav Petkov Cc: Oleksandr , Christoph Hellwig , Boris Ostrovsky , Stefano Stabellini , 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 , "H. Peter Anvin" , Julien Grall , Oleksandr Tyshchenko , "Michael S. Tsirkin" , Tom Lendacky 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> <147f68f6-7d67-1884-bd14-5040639b3396@suse.com> <67c7460a-3001-35a6-8e5b-f367270b257a@gmail.com> <7d89848a-3a1c-415d-957a-564ffdd3712d@suse.com> In-Reply-To: --------------0rFmA268sw5cKzSrXO9Tr00V Content-Type: multipart/mixed; boundary="------------xZCHaritzSJ0S00pyzbCiDcg" --------------xZCHaritzSJ0S00pyzbCiDcg Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMjYuMDQuMjIgMTA6NDEsIEJvcmlzbGF2IFBldGtvdiB3cm90ZToNCj4gT24gVHVlLCBB cHIgMjYsIDIwMjIgYXQgMDc6MTY6MTZBTSArMDIwMCwgSnVlcmdlbiBHcm9zcyB3cm90ZToN Cj4+IENocmlzdG9waCBzdWdnZXN0ZWQgKHJhdGhlciBmaXJtbHkpIHRoaXMgd291bGQgYmUg dGhlIHdheSB0byBnby4NCj4gDQo+IFllYWgsIEkgc2F3IGl0IGJ1dCBJIGRvbid0IHRoaW5r IGl0IGlzIHRoZSByaWdodCB3YXkgdG8gZ28uDQo+IA0KPiBXaGF0IGhhcHBlbnMgdGhlIG5l eHQgdGltZSBhIGd1ZXN0IG5lZWRzIHRvIHF1ZXJ5IHRoZSBwbGF0Zm9ybQ0KPiB1bmRlcm5l YXRoPyBNaXN1c2UgdGhlc2UgaW50ZXJmYWNlcyBhZ2Fpbj8NCj4gDQo+IEJlY2F1c2UgcGVv cGxlIHdpbGwgc2VlIHRoZSBYZW4gdXNlIGFuZCBzYXksIGhleSwgbG9vaywgSSB3aWxsIHVz ZSB0aGlzDQo+IGZvciBteSBmdW5reSBIViB0b28uDQo+IA0KPiBFdmVuIHdvcnNlOiB3aGF0 IGhhcHBlbnMgaWYgWGVuIGRlY2lkZXMgdG8gaW1wbGVtZW50IFNFVi9URFg/IFRoZW4NCj4g eW91J3JlIGluIGZvciBhIHdvcmxkIG9mIGZ1bi4NCg0KQXMgdGhlIHN1Z2dlc3Rpb24gd2Fz IHRvIGFkZCBhbm90aGVyIGZsYWcgdGhpcyB3b3VsZG4ndCBiZSBhIHByb2JsZW0gSU1PLg0K DQpCdXQgSSBhZ3JlZSB0aGF0IGNvY28gbWlnaHQgYmUgbm90IHRoZSBiZXN0IHdheSB0byBn byAoYXMgSSB3cm90ZSBhbHJlYWR5KS4NCg0KPiANCj4gTm93LCBpZiB3ZSB3YW50IHRvICpl eHRlbmQqIHRoZSBpbnRlcmZhY2VzIHRvIGhhdmUgc29tZXRoaW5nIGFzIGdlbmVyaWMNCj4g YXMsIHNheSwgcGxhdGZvcm1faGFzKCkgYW5kIHRoYXQgc2hvdWxkIGJlIHRoZSB3YXkgZm9y IGdlbmVyaWMga2VybmVsDQo+IGNvZGUgcnVubmluZyBpbiB0aGUgZ3Vlc3QgdG8gcXVlcnkg dGhlIHBsYXRmb3JtIGNhcGFiaWxpdGllcywgdGhlbiBzdXJlLA0KPiBieSBhbGwgbWVhbnMu DQoNCkkgYWdyZWUuDQoNCj4gDQo+PiBUaGlzIGlzIG5lZWRlZCBvbiBndWVzdCBzaWRlIGF0 IGEgcmF0aGVyIGh5cGVydmlzb3IgaW5kZXBlbmRlbnQgcGxhY2UuDQo+Pg0KPj4gU28gYSBj YXBhYmlsaXR5IG9mIHNvbWUgc29ydCBzZWVtcyBhcHByb3ByaWF0ZS4NCj4+DQo+PiBBbm90 aGVyIHN1Z2dlc3Rpb24gb2YgbWluZSB3YXMgdG8gaGF2ZSBhIGNhbGxiYWNrIChvciBmbGFn KSBpbg0KPj4gc3RydWN0IHg4Nl9oeXBlcl9ydW50aW1lIGZvciB0aGF0IHB1cnBvc2UuDQo+ IA0KPiBUaGlzIGJlY29tZXMgYW4gaXNzdWUgaWYgdGhlIEhWIGlzIG5vdCB4ODYgLSB0aGVu IHlvdSBuZWVkIGEgZGlmZmVyZW50DQo+IG1ldGhvZCBvZiBxdWVyeWluZyBpdCwgd2hpY2gg dGhlbiB1bmRlcm5lYXRoIHdpbGwgY2FsbCB0aGUgYXJjaC1zcGVjaWZpYw0KPiBpbnRlcmZh Y2UuDQo+IA0KPiBJIGRvbid0IGtub3cgaG93IG11Y2ggb2YgcXVlcnlpbmcgZ3Vlc3RzIG5l ZWQgdG8gZG8gYW5kIGhvdyB0aGV5J3ZlIGJlZW4NCj4gZG9pbmcgdGhhdCBzbyBmYXIuIERl cGVuZGluZyBvbiB0aGUgcmVxdWlyZW1lbnRzLCB3ZSBwcm9iYWJseSBzaG91bGQNCj4gdGhp bmsgYWJvdXQgYSBjbGVhbiBkZXNpZ24gZnJvbSB0aGUgZ2V0LWdvIGluc3RlYWQgb2YgaG9t ZWdyb3duIHRoaW5ncy4NCg0KWWVzLg0KDQpwbGF0Zm9ybV9oYXMoKSBkb2Vzbid0IHNlZW0g dG9vIGJhZCBJTU8uDQoNCkkgd2lsbCB3cml0ZSBhIHBhdGNoIGZvciBzdGFydGluZyB0aGUg ZGlzY3Vzc2lvbi4NCg0KDQpKdWVyZ2VuDQo= --------------xZCHaritzSJ0S00pyzbCiDcg Content-Type: application/pgp-keys; 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