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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e6-20020a056402088600b00425d2ee6cdasi7591729edy.412.2022.04.26.05.54.44; Tue, 26 Apr 2022 05:55:08 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.com header.s=susede1 header.b=FlUkqw3L; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=suse.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244291AbiDZFTa (ORCPT + 99 others); Tue, 26 Apr 2022 01:19:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244267AbiDZFT2 (ORCPT ); Tue, 26 Apr 2022 01:19:28 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BC4B13F4E for ; Mon, 25 Apr 2022 22:16:19 -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-out1.suse.de (Postfix) with ESMTPS id C9084210E8; Tue, 26 Apr 2022 05:16:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1650950177; 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=ZCoeM4JLJRZv91zVqOeQJ5/8H6MTwPNt5+hI8rEBIkQ=; b=FlUkqw3Ln42pNuaVZf+kmf/aR9cWXGsmQEKD97mh3r6JbfW0u3oMjgCmWKi38Kkt4d660F qs6klxlojz1emAoKpJ0SefGfQ+uGjWi9UDCeNTz33wBn2AZoDgaJbvmlyEDTcWg2DX9Kpu SQzfr8ELHJmexAo+VX1ZdJQmVRYjgZk= 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 4315913223; Tue, 26 Apr 2022 05:16:17 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id K1XhDiGAZ2LFRwAAMHmgww (envelope-from ); Tue, 26 Apr 2022 05:16:17 +0000 Message-ID: <7d89848a-3a1c-415d-957a-564ffdd3712d@suse.com> Date: Tue, 26 Apr 2022 07:16:16 +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 , Oleksandr Cc: 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> 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="------------0OFpyagCUbHUsEPp0MKRIkcF" X-Spam-Status: No, score=-6.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=ham 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) --------------0OFpyagCUbHUsEPp0MKRIkcF Content-Type: multipart/mixed; boundary="------------Lg4Hw02qSJPGaq60PuAa8cdb"; protected-headers="v1" From: Juergen Gross To: Borislav Petkov , Oleksandr Cc: 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: <7d89848a-3a1c-415d-957a-564ffdd3712d@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> <147f68f6-7d67-1884-bd14-5040639b3396@suse.com> <67c7460a-3001-35a6-8e5b-f367270b257a@gmail.com> In-Reply-To: --------------Lg4Hw02qSJPGaq60PuAa8cdb Content-Type: multipart/mixed; boundary="------------akIgyRCybXfK1tmLdSdEvfDU" --------------akIgyRCybXfK1tmLdSdEvfDU Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMjUuMDQuMjIgMjM6MjUsIEJvcmlzbGF2IFBldGtvdiB3cm90ZToNCj4gT24gTW9uLCBB cHIgMjUsIDIwMjIgYXQgMTE6Mzg6MzZQTSArMDMwMCwgT2xla3NhbmRyIHdyb3RlOg0KPj4g ZGlmZiAtLWdpdCBhL2luY2x1ZGUvbGludXgvY2NfcGxhdGZvcm0uaCBiL2luY2x1ZGUvbGlu dXgvY2NfcGxhdGZvcm0uaA0KPj4gaW5kZXggZWZkODIwNS4uZDA2YmM3YSAxMDA2NDQNCj4+ IC0tLSBhL2luY2x1ZGUvbGludXgvY2NfcGxhdGZvcm0uaA0KPj4gKysrIGIvaW5jbHVkZS9s aW51eC9jY19wbGF0Zm9ybS5oDQo+PiBAQCAtNzIsNiArNzIsMTkgQEAgZW51bSBjY19hdHRy IHsNCj4+ICDCoMKgwqDCoMKgwqDCoMKgICogRXhhbXBsZXMgaW5jbHVkZSBURFggZ3Vlc3Qg JiBTRVYuDQo+PiAgwqDCoMKgwqDCoMKgwqDCoCAqLw0KPj4gIMKgwqDCoMKgwqDCoMKgIEND X0FUVFJfR1VFU1RfVU5ST0xMX1NUUklOR19JTywNCj4+ICsNCj4+ICvCoMKgwqDCoMKgwqAg LyoqDQo+PiArwqDCoMKgwqDCoMKgwqAgKiBAQ0NfQVRUUl9HVUVTVF9NRU1fQUNDRVNTX1JF U1RSSUNURUQ6IFJlc3RyaWN0ZWQgbWVtb3J5IGFjY2VzcyB0bw0KPj4gK8KgwqDCoMKgwqDC oMKgICrCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIEd1ZXN0IG1lbW9yeSBpcyBhY3RpdmUNCj4+ ICvCoMKgwqDCoMKgwqDCoCAqDQo+PiArwqDCoMKgwqDCoMKgwqAgKiBUaGUgcGxhdGZvcm0v T1MgaXMgcnVubmluZyBhcyBhIGd1ZXN0L3ZpcnR1YWwgbWFjaGluZSBhbmQgdXNlcw0KPj4g K8KgwqDCoMKgwqDCoMKgICogdGhlIHJlc3RyaWN0ZWQgYWNjZXNzIHRvIGl0cyBtZW1vcnku IFRoaXMgYXR0cmlidXRlIGlzIHNldCBpZg0KPj4gZWl0aGVyDQo+PiArwqDCoMKgwqDCoMKg wqAgKiBHdWVzdCBtZW1vcnkgZW5jcnlwdGlvbiBvciByZXN0cmljdGVkIG1lbW9yeSBhY2Nl c3MgdXNpbmcgWGVuDQo+PiBncmFudA0KPj4gK8KgwqDCoMKgwqDCoMKgICogbWFwcGluZ3Mg aXMgYWN0aXZlLg0KPj4gK8KgwqDCoMKgwqDCoMKgICoNCj4+ICvCoMKgwqDCoMKgwqDCoCAq IEV4YW1wbGVzIGluY2x1ZGUgWGVuIGd1ZXN0IGFuZCBTRVYuDQo+IA0KPiBXYWl0LCB3aGFh YXQ/DQo+IA0KPiBUaGUgY2NfcGxhdGZvcm0qIHN0dWZmIGlzIGZvciAqY29uZmlkZW50aWFs IGNvbXB1dGluZyogZ3Vlc3RzIHRvIGNoZWNrDQo+IGRpZmZlcmVudCBwbGF0Zm9ybSBhc3Bl Y3RzLg0KPiANCj4gIEZyb20gcXVpY2tseSBza2ltbWluZyBvdmVyIHRoaXMsIHRoaXMgbG9v a3MgbGlrZSBhIG1pc3VzZSB0byBtZS4NCg0KQ2hyaXN0b3BoIHN1Z2dlc3RlZCAocmF0aGVy IGZpcm1seSkgdGhpcyB3b3VsZCBiZSB0aGUgd2F5IHRvIGdvLg0KDQo+IA0KPiBXaHkgY2Fu J3QgeW91IHF1ZXJ5IHRoaXMgZnJvbSB0aGUgaHlwZXJ2aXNvciBqdXN0IGxpa2UgeW91IGRv IHlvdXIgb3RoZXINCj4gcXVlcnlpbmcgYWJvdXQgd2hhdCBpcyBzdXBwb3J0ZWQsIGV0Yz8g SHlwZXJjYWxscywgQ1BVSUQsIHdoYXRldmVyLi4uDQoNClRoaXMgaXMgbmVlZGVkIG9uIGd1 ZXN0IHNpZGUgYXQgYSByYXRoZXIgaHlwZXJ2aXNvciBpbmRlcGVuZGVudCBwbGFjZS4NCg0K U28gYSBjYXBhYmlsaXR5IG9mIHNvbWUgc29ydCBzZWVtcyBhcHByb3ByaWF0ZS4NCg0KQW5v dGhlciBzdWdnZXN0aW9uIG9mIG1pbmUgd2FzIHRvIGhhdmUgYSBjYWxsYmFjayAob3IgZmxh ZykgaW4NCnN0cnVjdCB4ODZfaHlwZXJfcnVudGltZSBmb3IgdGhhdCBwdXJwb3NlLg0KDQoN Ckp1ZXJnZW4NCg== --------------akIgyRCybXfK1tmLdSdEvfDU Content-Type: application/pgp-keys; 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