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 5B131C433F5 for ; Wed, 27 Apr 2022 12:45:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234651AbiD0Mst (ORCPT ); Wed, 27 Apr 2022 08:48:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234583AbiD0Mso (ORCPT ); Wed, 27 Apr 2022 08:48:44 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A8593525B; Wed, 27 Apr 2022 05:45:33 -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 7A51F1F74D; Wed, 27 Apr 2022 12:45:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1651063532; 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=f7ZHfk6vc4zgMEvq1EHLWCpOl8Ctk3WE3DXvA6Vjt/4=; b=LiLK+JGui8QqQfh8W0x16+mObrzQ4Fje12HfJW7hZ94icLHhk5/gxq7NXXopwsraglIWhT Qd+AOsn2O2Sdx7LAy0xcvnBIeKxo3jyuqUv8fKgeFG52VhHZAC84a1GKao9KAOQYtVsvJz LsOjzmiktuf5OEUJjFiQxiW5Rg42mrI= 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 8719C1323E; Wed, 27 Apr 2022 12:45:31 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id KZu6H+s6aWKXRAAAMHmgww (envelope-from ); Wed, 27 Apr 2022 12:45:31 +0000 Message-ID: <3f15f128-4d77-14e2-20ca-ea2e4a7d4181@suse.com> Date: Wed, 27 Apr 2022 14:45:31 +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: Heiko Carstens , 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. 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Tsirkin" , Jason Wang , Christoph Hellwig , Oleksandr Tyshchenko References: <20220426134021.11210-1-jgross@suse.com> <20220426134021.11210-3-jgross@suse.com> <49e33b14-b439-340b-aa59-a6c77daa4929@suse.com> From: Juergen Gross Subject: Re: [PATCH 2/2] virtio: replace arch_has_restricted_virtio_memory_access() In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------5RSoFKl9gkDkNvOmD7dR6fME" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------5RSoFKl9gkDkNvOmD7dR6fME Content-Type: multipart/mixed; boundary="------------WqbtrtgMwxh4M25yqpBhfhy8"; protected-headers="v1" From: Juergen Gross To: Borislav Petkov Cc: Heiko Carstens , 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. 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Tsirkin" , Jason Wang , Christoph Hellwig , Oleksandr Tyshchenko Message-ID: <3f15f128-4d77-14e2-20ca-ea2e4a7d4181@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> <49e33b14-b439-340b-aa59-a6c77daa4929@suse.com> In-Reply-To: --------------WqbtrtgMwxh4M25yqpBhfhy8 Content-Type: multipart/mixed; boundary="------------lFn82CY4z1MtnopLJeWnduYk" --------------lFn82CY4z1MtnopLJeWnduYk Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMjcuMDQuMjIgMTQ6MjYsIEJvcmlzbGF2IFBldGtvdiB3cm90ZToNCj4gT24gV2VkLCBB cHIgMjcsIDIwMjIgYXQgMDg6NDA6MDhBTSArMDIwMCwgSnVlcmdlbiBHcm9zcyB3cm90ZToN Cj4+IEkgd2FzIHBsYW5uaW5nIHRvIGxvb2sgYXQgdGhlIHg4NiBjcHUgZmVhdHVyZXMgdG8g c2VlIHdoZXRoZXIgc29tZSBvZg0KPj4gdGhvc2UgbWlnaHQgYmUgY2FuZGlkYXRlcyB0byBi ZSBzd2l0Y2hlZCB0byBwbGF0Zm9ybSBmZWF0dXJlcyBpbnN0ZWFkLg0KPiANCj4gSSdkIHNh eSAibmV2ZXIgdG91Y2ggYSBydW5uaW5nIHN5c3RlbSIgdW5sZXNzIHRoZSBwbGF0Zm9ybSBm ZWF0dXJlcyBhcmUNCj4gb2YgYW4gYWR2YW50YWdlLi4uDQoNCkRlcGVuZHMgb24gdGhlIHVz ZSBjYXNlIElNSE8uDQoNCkFsbCBmZWF0dXJlcyBiZWluZyBiYXNlZCBvbiBhIGNwdWlkIGJp dCBhcmUgbm8gY2FuZGlkYXRlcy4gU2FtZSBhcHBsaWVzDQp0byBhbGwgZmVhdHVyZXMgdXNl ZCBmb3IgYWx0ZXJuYXRpdmUgaGFuZGxpbmcgKGFzc3VtaW5nIHdlIGRvbid0IHdhbnQNCnRv IGV4cGFuZCB0aGF0IHRvIHBsYXRmb3JtIGZlYXR1cmVzKS4NCg0KSSByZWFsbHkgaGF2ZSBu byBpZGVhIHdoZXRoZXIgdGhpcyB3aWxsIGxlYXZlIGFueSBjYW5kaWRhdGVzLiBJbiBjYXNl DQppdCBkb2VzLCBpdCBtaWdodCBiZSBpbnRlcmVzdGluZyB0byBzd2l0Y2ggdGhvc2UgaW4g b3JkZXIgdG8gc2F2ZSBzb21lDQpwZXItY3B1IGJpdHMuDQoNCk90aGVyIGNhbmRpZGF0ZXMg bWlnaHQgYmUgdGhlIHg4Nl9sZWdhY3lfZmVhdHVyZXMuDQoNCg0KSnVlcmdlbg0K --------------lFn82CY4z1MtnopLJeWnduYk Content-Type: application/pgp-keys; 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Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Content-Language: en-US To: Borislav Petkov References: <20220426134021.11210-1-jgross@suse.com> <20220426134021.11210-3-jgross@suse.com> <49e33b14-b439-340b-aa59-a6c77daa4929@suse.com> Subject: Re: [PATCH 2/2] virtio: replace arch_has_restricted_virtio_memory_access() 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 , Haiyang Zhang , Vasily Gorbik , Heiko Carstens , 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="===============6556401267742669500==" Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============6556401267742669500== Content-Language: en-US Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------5RSoFKl9gkDkNvOmD7dR6fME" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------5RSoFKl9gkDkNvOmD7dR6fME Content-Type: multipart/mixed; boundary="------------WqbtrtgMwxh4M25yqpBhfhy8"; protected-headers="v1" From: Juergen Gross To: Borislav Petkov Cc: Heiko Carstens , 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: <3f15f128-4d77-14e2-20ca-ea2e4a7d4181@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> <49e33b14-b439-340b-aa59-a6c77daa4929@suse.com> In-Reply-To: --------------WqbtrtgMwxh4M25yqpBhfhy8 Content-Type: multipart/mixed; boundary="------------lFn82CY4z1MtnopLJeWnduYk" --------------lFn82CY4z1MtnopLJeWnduYk Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMjcuMDQuMjIgMTQ6MjYsIEJvcmlzbGF2IFBldGtvdiB3cm90ZToNCj4gT24gV2VkLCBB cHIgMjcsIDIwMjIgYXQgMDg6NDA6MDhBTSArMDIwMCwgSnVlcmdlbiBHcm9zcyB3cm90ZToN Cj4+IEkgd2FzIHBsYW5uaW5nIHRvIGxvb2sgYXQgdGhlIHg4NiBjcHUgZmVhdHVyZXMgdG8g c2VlIHdoZXRoZXIgc29tZSBvZg0KPj4gdGhvc2UgbWlnaHQgYmUgY2FuZGlkYXRlcyB0byBi ZSBzd2l0Y2hlZCB0byBwbGF0Zm9ybSBmZWF0dXJlcyBpbnN0ZWFkLg0KPiANCj4gSSdkIHNh eSAibmV2ZXIgdG91Y2ggYSBydW5uaW5nIHN5c3RlbSIgdW5sZXNzIHRoZSBwbGF0Zm9ybSBm ZWF0dXJlcyBhcmUNCj4gb2YgYW4gYWR2YW50YWdlLi4uDQoNCkRlcGVuZHMgb24gdGhlIHVz ZSBjYXNlIElNSE8uDQoNCkFsbCBmZWF0dXJlcyBiZWluZyBiYXNlZCBvbiBhIGNwdWlkIGJp dCBhcmUgbm8gY2FuZGlkYXRlcy4gU2FtZSBhcHBsaWVzDQp0byBhbGwgZmVhdHVyZXMgdXNl ZCBmb3IgYWx0ZXJuYXRpdmUgaGFuZGxpbmcgKGFzc3VtaW5nIHdlIGRvbid0IHdhbnQNCnRv IGV4cGFuZCB0aGF0IHRvIHBsYXRmb3JtIGZlYXR1cmVzKS4NCg0KSSByZWFsbHkgaGF2ZSBu byBpZGVhIHdoZXRoZXIgdGhpcyB3aWxsIGxlYXZlIGFueSBjYW5kaWRhdGVzLiBJbiBjYXNl DQppdCBkb2VzLCBpdCBtaWdodCBiZSBpbnRlcmVzdGluZyB0byBzd2l0Y2ggdGhvc2UgaW4g b3JkZXIgdG8gc2F2ZSBzb21lDQpwZXItY3B1IGJpdHMuDQoNCk90aGVyIGNhbmRpZGF0ZXMg bWlnaHQgYmUgdGhlIHg4Nl9sZWdhY3lfZmVhdHVyZXMuDQoNCg0KSnVlcmdlbg0K --------------lFn82CY4z1MtnopLJeWnduYk Content-Type: application/pgp-keys; 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