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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 26410C433F5 for ; Wed, 27 Apr 2022 06:40:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1358206AbiD0Gnf (ORCPT ); Wed, 27 Apr 2022 02:43:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238758AbiD0GnX (ORCPT ); Wed, 27 Apr 2022 02:43:23 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 786B61117F; Tue, 26 Apr 2022 23:40:11 -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 0AC381F388; Wed, 27 Apr 2022 06:40:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1651041610; 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=VMMhCTg9Mz44tbBAcPnS8dTXZRe/T0RsJs3CgplUBHw=; b=BGRU2O86KAhV+N0TXXa4Lzh5zasnW0BIvE0vflcAP9c1JUYO32qYZYHNH5dTYytFPDrMJ1 Y7ySJZ94UG3/nmRYRlg8JSO0EoK8vT47ctmZ/+X1gBp167njPwojwdEneikLUusJ9S3NL5 DWlc8ZgW9ExXInKOj9DK6zx847Qy0HE= 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 46A641323E; Wed, 27 Apr 2022 06:40:09 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id vsHyD0nlaGIoFAAAMHmgww (envelope-from ); Wed, 27 Apr 2022 06:40:09 +0000 Message-ID: <49e33b14-b439-340b-aa59-a6c77daa4929@suse.com> Date: Wed, 27 Apr 2022 08:40:08 +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 2/2] virtio: replace arch_has_restricted_virtio_memory_access() Content-Language: en-US To: Heiko Carstens , Borislav Petkov Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, linux-hyperv@vger.kernel.org, virtualization@lists.linux-foundation.org, Arnd Bergmann , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Dave Hansen , "H. Peter Anvin" , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Dexuan Cui , Andy Lutomirski , Peter Zijlstra , "Michael S. Tsirkin" , Jason Wang , Christoph Hellwig , Oleksandr Tyshchenko References: <20220426134021.11210-1-jgross@suse.com> <20220426134021.11210-3-jgross@suse.com> From: Juergen Gross In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------S4HLpMY97WHW4YGrYFa7I3Pk" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------S4HLpMY97WHW4YGrYFa7I3Pk Content-Type: multipart/mixed; boundary="------------w0zPX6ei5mincRTkBIeAwr5i"; protected-headers="v1" From: Juergen Gross To: Heiko Carstens , Borislav Petkov Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, linux-hyperv@vger.kernel.org, virtualization@lists.linux-foundation.org, Arnd Bergmann , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Dave Hansen , "H. Peter Anvin" , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Dexuan Cui , Andy Lutomirski , Peter Zijlstra , "Michael S. Tsirkin" , Jason Wang , Christoph Hellwig , Oleksandr Tyshchenko Message-ID: <49e33b14-b439-340b-aa59-a6c77daa4929@suse.com> Subject: Re: [PATCH 2/2] virtio: replace arch_has_restricted_virtio_memory_access() References: <20220426134021.11210-1-jgross@suse.com> <20220426134021.11210-3-jgross@suse.com> In-Reply-To: --------------w0zPX6ei5mincRTkBIeAwr5i Content-Type: multipart/mixed; boundary="------------e82U6XVXXlBrBuGa7pUvQIO7" --------------e82U6XVXXlBrBuGa7pUvQIO7 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMjYuMDQuMjIgMjE6NTEsIEhlaWtvIENhcnN0ZW5zIHdyb3RlOg0KPiBPbiBUdWUsIEFw ciAyNiwgMjAyMiBhdCAwNzozNTo0M1BNICswMjAwLCBCb3Jpc2xhdiBQZXRrb3Ygd3JvdGU6 DQo+PiBPbiBUdWUsIEFwciAyNiwgMjAyMiBhdCAwMzo0MDoyMVBNICswMjAwLCBKdWVyZ2Vu IEdyb3NzIHdyb3RlOg0KPj4+ICAgLyogcHJvdGVjdGVkIHZpcnR1YWxpemF0aW9uICovDQo+ Pj4gICBzdGF0aWMgdm9pZCBwdl9pbml0KHZvaWQpDQo+Pj4gICB7DQo+Pj4gICAJaWYgKCFp c19wcm90X3ZpcnRfZ3Vlc3QoKSkNCj4+PiAgIAkJcmV0dXJuOw0KPj4+ICAgDQo+Pj4gKwlw bGF0Zm9ybV9zZXRfZmVhdHVyZShQTEFURk9STV9WSVJUSU9fUkVTVFJJQ1RFRF9NRU1fQUND RVNTKTsNCj4+DQo+PiBLaW5kYSBsb25nLWlzaCBmb3IgbXkgdGFzdGUuIEknbGwgcHJvYmFi bHkgY2FsbCBpdDoNCj4+DQo+PiAJcGxhdGZvcm1fc2V0KCkNCj4+DQo+PiBhcyBpdCBpcyBp bXBsaWNpdCB0aGF0IGl0IHNldHMgYSBmZWF0dXJlIGJpdC4NCj4gDQo+IC4uLmFuZCBwbGF0 Zm9ybV9jbGVhcigpLCBpbnN0ZWFkIG9mIHBsYXRmb3JtX3Jlc2V0X2ZlYXR1cmUoKSBwbGVh c2UuDQoNCkZpbmUgd2l0aCBtZS4NCg0KPiANCj4+IEluIGFueSBjYXNlLCB5ZWFoLCBsb29r cyBvayBhdCBhIHF1aWNrIGdsYW5jZS4gSXQgd291bGQgb2J2aW91c2x5IG5lZWQNCj4+IGZv ciBtb3JlIHBlb3BsZSB0byBsb29rIGF0IGl0IGFuZCBzYXkgd2hldGhlciBpdCBtYWtlcyBz ZW5zZSB0byB0aGVtIGFuZA0KPj4gd2hldGhlciB0aGF0J3MgZmluZSB0byBoYXZlIGluIGdl bmVyaWMgY29kZSBidXQgc28gZmFyLCB0aGUgZXhwZXJpZW5jZQ0KPj4gd2l0aCBjY19wbGF0 Zm9ybV8qIHNheXMgdGhhdCBpdCBzZWVtcyB0byB3b3JrIG9rIGluIGdlbmVyaWMgY29kZS4N Cj4gDQo+IFdlIF9jb3VsZF8gY29udmVydCBzMzkwJ3MgbWFjaGluZSBmbGFncyB0byB0aGlz IG1lY2hhbmlzbS4gVGhvc2UgZmxhZ3MNCj4gYXJlIGhpc3RvcmljYWxseSBwZXItY3B1LCBi dXQgaWYgSSdtIG5vdCBtaXN0YWtlbiBub25lIG9mIHRoZW0gaXMNCj4gcGVyZm9ybWFuY2Ug Y3JpdGljYWwgYW55bW9yZSwgYW5kIHRob3NlIHdobyBhcmUgY291bGQvc2hvdWxkIHByb2Jh Ymx5DQo+IHRyYW5zZm9ybWVkIHRvIGp1bXAgbGFiZWxzIG9yIGFsdGVybmF0aXZlcyBhbnl3 YXkuDQoNCkkgd2FzIHBsYW5uaW5nIHRvIGxvb2sgYXQgdGhlIHg4NiBjcHUgZmVhdHVyZXMg dG8gc2VlIHdoZXRoZXIgc29tZSBvZg0KdGhvc2UgbWlnaHQgYmUgY2FuZGlkYXRlcyB0byBi ZSBzd2l0Y2hlZCB0byBwbGF0Zm9ybSBmZWF0dXJlcyBpbnN0ZWFkLg0KDQoNCkp1ZXJnZW4N Cg== --------------e82U6XVXXlBrBuGa7pUvQIO7 Content-Type: application/pgp-keys; name="OpenPGP_0xB0DE9DD628BF132F.asc" Content-Disposition: attachment; filename="OpenPGP_0xB0DE9DD628BF132F.asc" Content-Description: OpenPGP public key Content-Transfer-Encoding: quoted-printable -----BEGIN PGP PUBLIC KEY BLOCK----- xsBNBFOMcBYBCACgGjqjoGvbEouQZw/ToiBg9W98AlM2QHV+iNHsEs7kxWhKMjri oyspZKOBycWxw3ie3j9uvg9EOB3aN4xiTv4qbnGiTr3oJhkB1gsb6ToJQZ8uxGq2 kaV2KL9650I1SJvedYm8Of8Zd621lSmoKOwlNClALZNew72NjJLEzTalU1OdT7/i 1TXkH09XSSI8mEQ/ouNcMvIJNwQpd369y9bfIhWUiVXEK7MlRgUG6MvIj6Y3Am/B BLUVbDa4+gmzDC9ezlZkTZG2t14zWPvxXP3FAp2pkW0xqG7/377qptDmrk42GlSK N4z76ELnLxussxc7I2hx18NUcbP8+uty4bMxABEBAAHNHEp1ZXJnZW4gR3Jvc3Mg PGpnQHBmdXBmLm5ldD7CwHkEEwECACMFAlOMcBYCGwMHCwkIBwMCAQYVCAIJCgsE FgIDAQIeAQIXgAAKCRCw3p3WKL8TL0KdB/93FcIZ3GCNwFU0u3EjNbNjmXBKDY4F UGNQH2lvWAUy+dnyThpwdtF/jQ6j9RwE8VP0+NXcYpGJDWlNb9/JmYqLiX2Q3Tye vpB0CA3dbBQp0OW0fgCetToGIQrg0MbD1C/sEOv8Mr4NAfbauXjZlvTj30H2jO0u +6WGM6nHwbh2l5O8ZiHkH32iaSTfN7Eu5RnNVUJbvoPHZ8SlM4KWm8rG+lIkGurq qu5gu8q8ZMKdsdGC4bBxdQKDKHEFExLJK/nRPFmAuGlId1E3fe10v5QL+qHI3EIP tyfE7i9Hz6rVwi7lWKgh7pe0ZvatAudZ+JNIlBKptb64FaiIOAWDCx1SzR9KdWVy Z2VuIEdyb3NzIDxqZ3Jvc3NAc3VzZS5jb20+wsB5BBMBAgAjBQJTjHCvAhsDBwsJ CAcDAgEGFQgCCQoLBBYCAwECHgECF4AACgkQsN6d1ii/Ey/HmQf/RtI7kv5A2PS4 RF7HoZhPVPogNVbC4YA6lW7DrWf0teC0RR3MzXfy6pJ+7KLgkqMlrAbN/8Dvjoz7 8X+5vhH/rDLa9BuZQlhFmvcGtCF8eR0T1v0nC/nuAFVGy+67q2DH8As3KPu0344T BDpAvr2uYM4tSqxK4DURx5INz4ZZ0WNFHcqsfvlGJALDeE0LhITTd9jLzdDad1pQ SToCnLl6SBJZjDOX9QQcyUigZFtCXFst4dlsvddrxyqT1f17+2cFSdu7+ynLmXBK 7abQ3rwJY8SbRO2iRulogc5vr/RLMMlscDAiDkaFQWLoqHHOdfO9rURssHNN8WkM nQfvUewRz80hSnVlcmdlbiBHcm9zcyA8amdyb3NzQG5vdmVsbC5jb20+wsB5BBMB AgAjBQJTjHDXAhsDBwsJCAcDAgEGFQgCCQoLBBYCAwECHgECF4AACgkQsN6d1ii/ Ey8PUQf/ehmgCI9jB9hlgexLvgOtf7PJnFOXgMLdBQgBlVPO3/D9R8LtF9DBAFPN hlrsfIG/SqICoRCqUcJ96Pn3P7UUinFG/I0ECGF4EvTE1jnDkfJZr6jrbjgyoZHi w/4BNwSTL9rWASyLgqlA8u1mf+c2yUwcGhgkRAd1gOwungxcwzwqgljf0N51N5Jf VRHRtyfwq/ge+YEkDGcTU6Y0sPOuj4Dyfm8fJzdfHNQsWq3PnczLVELStJNdapwP OoE+lotufe3AM2vAEYJ9rTz3Cki4JFUsgLkHFqGZarrPGi1eyQcXeluldO3m91NK /1xMI3/+8jbO0tsn1tqSEUGIJi7ox80eSnVlcmdlbiBHcm9zcyA8amdyb3NzQHN1 c2UuZGU+wsB5BBMBAgAjBQJTjHDrAhsDBwsJCAcDAgEGFQgCCQoLBBYCAwECHgEC F4AACgkQsN6d1ii/Ey+LhQf9GL45eU5vOowA2u5N3g3OZUEBmDHVVbqMtzwlmNC4 k9Kx39r5s2vcFl4tXqW7g9/ViXYuiDXb0RfUpZiIUW89siKrkzmQ5dM7wRqzgJpJ wK8Bn2MIxAKArekWpiCKvBOB/Cc+3EXE78XdlxLyOi/NrmSGRIov0karw2RzMNOu 5D+jLRZQd1Sv27AR+IP3I8U4aqnhLpwhK7MEy9oCILlgZ1QZe49kpcumcZKORmzB TNh30FVKK1EvmV2xAKDoaEOgQB4iFQLhJCdP1I5aSgM5IVFdn7v5YgEYuJYx37Io N1EblHI//x/e2AaIHpzK5h88NEawQsaNRpNSrcfbFmAg987ATQRTjHAWAQgAyzH6 AOODMBjgfWE9VeCgsrwH3exNAU32gLq2xvjpWnHIs98ndPUDpnoxWQugJ6MpMncr 0xSwFmHEgnSEjK/PAjppgmyc57BwKII3sV4on+gDVFJR6Y8ZRwgnBC5mVM6JjQ5x Dk8WRXljExRfUX9pNhdE5eBOZJrDRoLUmmjDtKzWaDhIg/+1Hzz93X4fCQkNVbVF LELU9bMaLPBG/x5q4iYZ2k2ex6d47YE1ZFdMm6YBYMOljGkZKwYde5ldM9mo45mm we0icXKLkpEdIXKTZeKDO+Hdv1aqFuAcccTg9RXDQjmwhC3yEmrmcfl0+rPghO0I v3OOImwTEe4co3c1mwARAQABwsBfBBgBAgAJBQJTjHAWAhsMAAoJELDendYovxMv Q/gH/1ha96vm4P/L+bQpJwrZ/dneZcmEwTbe8YFsw2V/Buv6Z4Mysln3nQK5ZadD 534CF7TDVft7fC4tU4PONxF5D+/tvgkPfDAfF77zy2AH1vJzQ1fOU8lYFpZXTXIH b+559UqvIB8AdgR3SAJGHHt4RKA0F7f5ipYBBrC6cyXJyyoprT10EMvU8VGiwXvT yJz3fjoYsdFzpWPlJEBRMedCot60g5dmbdrZ5DWClAr0yau47zpWj3enf1tLWaqc suylWsviuGjKGw7KHQd3bxALOknAp4dN3QwBYCKuZ7AddY9yjynVaD5X7nF9nO5B jR/i1DG86lem3iBDXzXsZDn8R38=3D =3D2wuH -----END PGP PUBLIC KEY BLOCK----- --------------e82U6XVXXlBrBuGa7pUvQIO7-- --------------w0zPX6ei5mincRTkBIeAwr5i-- --------------S4HLpMY97WHW4YGrYFa7I3Pk Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsB5BAABCAAjFiEEhRJncuj2BJSl0Jf3sN6d1ii/Ey8FAmJo5UgFAwAAAAAACgkQsN6d1ii/Ey+n HAgAlI5tgqXfIHi9klo7ckJBdbCjT2EvYU2yTBe7BacJ6ocCDc+0WxtX4/ckT9AImG4krsTHVb0K SQ6XTp1DtFKIsFbvK9T3z6eSwe1v+nSe3E+5Eym+GFcl8KdMCSvm06H+/rWGBa4eQasYftWopVLd bzywDXij4CbKqhHiELGFQR1xO+iOQxJA3vjTFSXq+ZemjPXIEBCU2p/nTnspcpVh+sN4T3tAjVgi rUUf4obOqAbi1fdTlgEZSBgyu108VYYWE2oBZZ2Al5QRmdK/PMIw081eOt20Vi315rvWCpAy/nIY unnqv1osxafnDog4t4KjQi4QGmxMbZndp636gvQwyQ== =vLJU -----END PGP SIGNATURE----- --------------S4HLpMY97WHW4YGrYFa7I3Pk-- 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 smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 2202CC4332F for ; Wed, 27 Apr 2022 06:40:17 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id C2EED60B62; Wed, 27 Apr 2022 06:40:16 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Jm5eKUMlg1aR; Wed, 27 Apr 2022 06:40:15 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp3.osuosl.org (Postfix) with ESMTPS id 4FFDE60A74; Wed, 27 Apr 2022 06:40:15 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 24F86C0032; Wed, 27 Apr 2022 06:40:15 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [IPv6:2605:bc80:3010::136]) by lists.linuxfoundation.org (Postfix) with ESMTP id A40EFC002D for ; Wed, 27 Apr 2022 06:40:13 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 816B360AEE for ; Wed, 27 Apr 2022 06:40:13 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JDOljTJtwix4 for ; Wed, 27 Apr 2022 06:40:12 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by smtp3.osuosl.org (Postfix) with ESMTPS id E97A160A74 for ; Wed, 27 Apr 2022 06:40:11 +0000 (UTC) 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 0AC381F388; Wed, 27 Apr 2022 06:40:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1651041610; 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=VMMhCTg9Mz44tbBAcPnS8dTXZRe/T0RsJs3CgplUBHw=; b=BGRU2O86KAhV+N0TXXa4Lzh5zasnW0BIvE0vflcAP9c1JUYO32qYZYHNH5dTYytFPDrMJ1 Y7ySJZ94UG3/nmRYRlg8JSO0EoK8vT47ctmZ/+X1gBp167njPwojwdEneikLUusJ9S3NL5 DWlc8ZgW9ExXInKOj9DK6zx847Qy0HE= 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 46A641323E; Wed, 27 Apr 2022 06:40:09 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id vsHyD0nlaGIoFAAAMHmgww (envelope-from ); Wed, 27 Apr 2022 06:40:09 +0000 Message-ID: <49e33b14-b439-340b-aa59-a6c77daa4929@suse.com> Date: Wed, 27 Apr 2022 08:40:08 +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 2/2] virtio: replace arch_has_restricted_virtio_memory_access() Content-Language: en-US To: Heiko Carstens , Borislav Petkov References: <20220426134021.11210-1-jgross@suse.com> <20220426134021.11210-3-jgross@suse.com> In-Reply-To: Cc: linux-hyperv@vger.kernel.org, "Michael S. Tsirkin" , Peter Zijlstra , Dave Hansen , virtualization@lists.linux-foundation.org, "H. Peter Anvin" , Alexander Gordeev , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Wei Liu , Stephen Hemminger , Arnd Bergmann , x86@kernel.org, Dexuan Cui , Christoph Hellwig , Ingo Molnar , Vasily Gorbik , Haiyang Zhang , Andy Lutomirski , Thomas Gleixner , linux-kernel@vger.kernel.org, Oleksandr Tyshchenko , Sven Schnelle X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Juergen Gross via Virtualization Reply-To: Juergen Gross Content-Type: multipart/mixed; boundary="===============7924417264107066929==" Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============7924417264107066929== Content-Language: en-US Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------S4HLpMY97WHW4YGrYFa7I3Pk" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------S4HLpMY97WHW4YGrYFa7I3Pk Content-Type: multipart/mixed; boundary="------------w0zPX6ei5mincRTkBIeAwr5i"; protected-headers="v1" From: Juergen Gross To: Heiko Carstens , Borislav Petkov Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, linux-hyperv@vger.kernel.org, virtualization@lists.linux-foundation.org, Arnd Bergmann , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Dave Hansen , "H. Peter Anvin" , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Dexuan Cui , Andy Lutomirski , Peter Zijlstra , "Michael S. Tsirkin" , Jason Wang , Christoph Hellwig , Oleksandr Tyshchenko Message-ID: <49e33b14-b439-340b-aa59-a6c77daa4929@suse.com> Subject: Re: [PATCH 2/2] virtio: replace arch_has_restricted_virtio_memory_access() References: <20220426134021.11210-1-jgross@suse.com> <20220426134021.11210-3-jgross@suse.com> In-Reply-To: --------------w0zPX6ei5mincRTkBIeAwr5i Content-Type: multipart/mixed; boundary="------------e82U6XVXXlBrBuGa7pUvQIO7" --------------e82U6XVXXlBrBuGa7pUvQIO7 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMjYuMDQuMjIgMjE6NTEsIEhlaWtvIENhcnN0ZW5zIHdyb3RlOg0KPiBPbiBUdWUsIEFw ciAyNiwgMjAyMiBhdCAwNzozNTo0M1BNICswMjAwLCBCb3Jpc2xhdiBQZXRrb3Ygd3JvdGU6 DQo+PiBPbiBUdWUsIEFwciAyNiwgMjAyMiBhdCAwMzo0MDoyMVBNICswMjAwLCBKdWVyZ2Vu IEdyb3NzIHdyb3RlOg0KPj4+ICAgLyogcHJvdGVjdGVkIHZpcnR1YWxpemF0aW9uICovDQo+ Pj4gICBzdGF0aWMgdm9pZCBwdl9pbml0KHZvaWQpDQo+Pj4gICB7DQo+Pj4gICAJaWYgKCFp c19wcm90X3ZpcnRfZ3Vlc3QoKSkNCj4+PiAgIAkJcmV0dXJuOw0KPj4+ICAgDQo+Pj4gKwlw bGF0Zm9ybV9zZXRfZmVhdHVyZShQTEFURk9STV9WSVJUSU9fUkVTVFJJQ1RFRF9NRU1fQUND RVNTKTsNCj4+DQo+PiBLaW5kYSBsb25nLWlzaCBmb3IgbXkgdGFzdGUuIEknbGwgcHJvYmFi bHkgY2FsbCBpdDoNCj4+DQo+PiAJcGxhdGZvcm1fc2V0KCkNCj4+DQo+PiBhcyBpdCBpcyBp bXBsaWNpdCB0aGF0IGl0IHNldHMgYSBmZWF0dXJlIGJpdC4NCj4gDQo+IC4uLmFuZCBwbGF0 Zm9ybV9jbGVhcigpLCBpbnN0ZWFkIG9mIHBsYXRmb3JtX3Jlc2V0X2ZlYXR1cmUoKSBwbGVh c2UuDQoNCkZpbmUgd2l0aCBtZS4NCg0KPiANCj4+IEluIGFueSBjYXNlLCB5ZWFoLCBsb29r cyBvayBhdCBhIHF1aWNrIGdsYW5jZS4gSXQgd291bGQgb2J2aW91c2x5IG5lZWQNCj4+IGZv ciBtb3JlIHBlb3BsZSB0byBsb29rIGF0IGl0IGFuZCBzYXkgd2hldGhlciBpdCBtYWtlcyBz ZW5zZSB0byB0aGVtIGFuZA0KPj4gd2hldGhlciB0aGF0J3MgZmluZSB0byBoYXZlIGluIGdl bmVyaWMgY29kZSBidXQgc28gZmFyLCB0aGUgZXhwZXJpZW5jZQ0KPj4gd2l0aCBjY19wbGF0 Zm9ybV8qIHNheXMgdGhhdCBpdCBzZWVtcyB0byB3b3JrIG9rIGluIGdlbmVyaWMgY29kZS4N Cj4gDQo+IFdlIF9jb3VsZF8gY29udmVydCBzMzkwJ3MgbWFjaGluZSBmbGFncyB0byB0aGlz IG1lY2hhbmlzbS4gVGhvc2UgZmxhZ3MNCj4gYXJlIGhpc3RvcmljYWxseSBwZXItY3B1LCBi dXQgaWYgSSdtIG5vdCBtaXN0YWtlbiBub25lIG9mIHRoZW0gaXMNCj4gcGVyZm9ybWFuY2Ug Y3JpdGljYWwgYW55bW9yZSwgYW5kIHRob3NlIHdobyBhcmUgY291bGQvc2hvdWxkIHByb2Jh Ymx5DQo+IHRyYW5zZm9ybWVkIHRvIGp1bXAgbGFiZWxzIG9yIGFsdGVybmF0aXZlcyBhbnl3 YXkuDQoNCkkgd2FzIHBsYW5uaW5nIHRvIGxvb2sgYXQgdGhlIHg4NiBjcHUgZmVhdHVyZXMg dG8gc2VlIHdoZXRoZXIgc29tZSBvZg0KdGhvc2UgbWlnaHQgYmUgY2FuZGlkYXRlcyB0byBi ZSBzd2l0Y2hlZCB0byBwbGF0Zm9ybSBmZWF0dXJlcyBpbnN0ZWFkLg0KDQoNCkp1ZXJnZW4N Cg== --------------e82U6XVXXlBrBuGa7pUvQIO7 Content-Type: application/pgp-keys; name="OpenPGP_0xB0DE9DD628BF132F.asc" Content-Disposition: attachment; filename="OpenPGP_0xB0DE9DD628BF132F.asc" Content-Description: OpenPGP public key Content-Transfer-Encoding: quoted-printable -----BEGIN PGP PUBLIC KEY BLOCK----- xsBNBFOMcBYBCACgGjqjoGvbEouQZw/ToiBg9W98AlM2QHV+iNHsEs7kxWhKMjri oyspZKOBycWxw3ie3j9uvg9EOB3aN4xiTv4qbnGiTr3oJhkB1gsb6ToJQZ8uxGq2 kaV2KL9650I1SJvedYm8Of8Zd621lSmoKOwlNClALZNew72NjJLEzTalU1OdT7/i 1TXkH09XSSI8mEQ/ouNcMvIJNwQpd369y9bfIhWUiVXEK7MlRgUG6MvIj6Y3Am/B BLUVbDa4+gmzDC9ezlZkTZG2t14zWPvxXP3FAp2pkW0xqG7/377qptDmrk42GlSK N4z76ELnLxussxc7I2hx18NUcbP8+uty4bMxABEBAAHNHEp1ZXJnZW4gR3Jvc3Mg PGpnQHBmdXBmLm5ldD7CwHkEEwECACMFAlOMcBYCGwMHCwkIBwMCAQYVCAIJCgsE FgIDAQIeAQIXgAAKCRCw3p3WKL8TL0KdB/93FcIZ3GCNwFU0u3EjNbNjmXBKDY4F UGNQH2lvWAUy+dnyThpwdtF/jQ6j9RwE8VP0+NXcYpGJDWlNb9/JmYqLiX2Q3Tye vpB0CA3dbBQp0OW0fgCetToGIQrg0MbD1C/sEOv8Mr4NAfbauXjZlvTj30H2jO0u +6WGM6nHwbh2l5O8ZiHkH32iaSTfN7Eu5RnNVUJbvoPHZ8SlM4KWm8rG+lIkGurq qu5gu8q8ZMKdsdGC4bBxdQKDKHEFExLJK/nRPFmAuGlId1E3fe10v5QL+qHI3EIP tyfE7i9Hz6rVwi7lWKgh7pe0ZvatAudZ+JNIlBKptb64FaiIOAWDCx1SzR9KdWVy Z2VuIEdyb3NzIDxqZ3Jvc3NAc3VzZS5jb20+wsB5BBMBAgAjBQJTjHCvAhsDBwsJ CAcDAgEGFQgCCQoLBBYCAwECHgECF4AACgkQsN6d1ii/Ey/HmQf/RtI7kv5A2PS4 RF7HoZhPVPogNVbC4YA6lW7DrWf0teC0RR3MzXfy6pJ+7KLgkqMlrAbN/8Dvjoz7 8X+5vhH/rDLa9BuZQlhFmvcGtCF8eR0T1v0nC/nuAFVGy+67q2DH8As3KPu0344T BDpAvr2uYM4tSqxK4DURx5INz4ZZ0WNFHcqsfvlGJALDeE0LhITTd9jLzdDad1pQ SToCnLl6SBJZjDOX9QQcyUigZFtCXFst4dlsvddrxyqT1f17+2cFSdu7+ynLmXBK 7abQ3rwJY8SbRO2iRulogc5vr/RLMMlscDAiDkaFQWLoqHHOdfO9rURssHNN8WkM nQfvUewRz80hSnVlcmdlbiBHcm9zcyA8amdyb3NzQG5vdmVsbC5jb20+wsB5BBMB AgAjBQJTjHDXAhsDBwsJCAcDAgEGFQgCCQoLBBYCAwECHgECF4AACgkQsN6d1ii/ Ey8PUQf/ehmgCI9jB9hlgexLvgOtf7PJnFOXgMLdBQgBlVPO3/D9R8LtF9DBAFPN hlrsfIG/SqICoRCqUcJ96Pn3P7UUinFG/I0ECGF4EvTE1jnDkfJZr6jrbjgyoZHi w/4BNwSTL9rWASyLgqlA8u1mf+c2yUwcGhgkRAd1gOwungxcwzwqgljf0N51N5Jf VRHRtyfwq/ge+YEkDGcTU6Y0sPOuj4Dyfm8fJzdfHNQsWq3PnczLVELStJNdapwP OoE+lotufe3AM2vAEYJ9rTz3Cki4JFUsgLkHFqGZarrPGi1eyQcXeluldO3m91NK /1xMI3/+8jbO0tsn1tqSEUGIJi7ox80eSnVlcmdlbiBHcm9zcyA8amdyb3NzQHN1 c2UuZGU+wsB5BBMBAgAjBQJTjHDrAhsDBwsJCAcDAgEGFQgCCQoLBBYCAwECHgEC F4AACgkQsN6d1ii/Ey+LhQf9GL45eU5vOowA2u5N3g3OZUEBmDHVVbqMtzwlmNC4 k9Kx39r5s2vcFl4tXqW7g9/ViXYuiDXb0RfUpZiIUW89siKrkzmQ5dM7wRqzgJpJ wK8Bn2MIxAKArekWpiCKvBOB/Cc+3EXE78XdlxLyOi/NrmSGRIov0karw2RzMNOu 5D+jLRZQd1Sv27AR+IP3I8U4aqnhLpwhK7MEy9oCILlgZ1QZe49kpcumcZKORmzB TNh30FVKK1EvmV2xAKDoaEOgQB4iFQLhJCdP1I5aSgM5IVFdn7v5YgEYuJYx37Io N1EblHI//x/e2AaIHpzK5h88NEawQsaNRpNSrcfbFmAg987ATQRTjHAWAQgAyzH6 AOODMBjgfWE9VeCgsrwH3exNAU32gLq2xvjpWnHIs98ndPUDpnoxWQugJ6MpMncr 0xSwFmHEgnSEjK/PAjppgmyc57BwKII3sV4on+gDVFJR6Y8ZRwgnBC5mVM6JjQ5x Dk8WRXljExRfUX9pNhdE5eBOZJrDRoLUmmjDtKzWaDhIg/+1Hzz93X4fCQkNVbVF LELU9bMaLPBG/x5q4iYZ2k2ex6d47YE1ZFdMm6YBYMOljGkZKwYde5ldM9mo45mm we0icXKLkpEdIXKTZeKDO+Hdv1aqFuAcccTg9RXDQjmwhC3yEmrmcfl0+rPghO0I v3OOImwTEe4co3c1mwARAQABwsBfBBgBAgAJBQJTjHAWAhsMAAoJELDendYovxMv Q/gH/1ha96vm4P/L+bQpJwrZ/dneZcmEwTbe8YFsw2V/Buv6Z4Mysln3nQK5ZadD 534CF7TDVft7fC4tU4PONxF5D+/tvgkPfDAfF77zy2AH1vJzQ1fOU8lYFpZXTXIH b+559UqvIB8AdgR3SAJGHHt4RKA0F7f5ipYBBrC6cyXJyyoprT10EMvU8VGiwXvT yJz3fjoYsdFzpWPlJEBRMedCot60g5dmbdrZ5DWClAr0yau47zpWj3enf1tLWaqc suylWsviuGjKGw7KHQd3bxALOknAp4dN3QwBYCKuZ7AddY9yjynVaD5X7nF9nO5B jR/i1DG86lem3iBDXzXsZDn8R38=3D =3D2wuH -----END PGP PUBLIC KEY BLOCK----- --------------e82U6XVXXlBrBuGa7pUvQIO7-- --------------w0zPX6ei5mincRTkBIeAwr5i-- --------------S4HLpMY97WHW4YGrYFa7I3Pk Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsB5BAABCAAjFiEEhRJncuj2BJSl0Jf3sN6d1ii/Ey8FAmJo5UgFAwAAAAAACgkQsN6d1ii/Ey+n HAgAlI5tgqXfIHi9klo7ckJBdbCjT2EvYU2yTBe7BacJ6ocCDc+0WxtX4/ckT9AImG4krsTHVb0K SQ6XTp1DtFKIsFbvK9T3z6eSwe1v+nSe3E+5Eym+GFcl8KdMCSvm06H+/rWGBa4eQasYftWopVLd bzywDXij4CbKqhHiELGFQR1xO+iOQxJA3vjTFSXq+ZemjPXIEBCU2p/nTnspcpVh+sN4T3tAjVgi rUUf4obOqAbi1fdTlgEZSBgyu108VYYWE2oBZZ2Al5QRmdK/PMIw081eOt20Vi315rvWCpAy/nIY unnqv1osxafnDog4t4KjQi4QGmxMbZndp636gvQwyQ== =vLJU -----END PGP SIGNATURE----- --------------S4HLpMY97WHW4YGrYFa7I3Pk-- --===============7924417264107066929== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization --===============7924417264107066929==--