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 D6624EB64DC for ; Mon, 10 Jul 2023 12:29:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231789AbjGJM3e (ORCPT ); Mon, 10 Jul 2023 08:29:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231718AbjGJM3c (ORCPT ); Mon, 10 Jul 2023 08:29:32 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 16AACFF; Mon, 10 Jul 2023 05:29:31 -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 B23191FF2F; Mon, 10 Jul 2023 12:29:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1688992169; 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=MZLkluv/6AIU//IIXEFXPkZ4djC4dKJZJnHAbR0i6pk=; b=JG5+ERTkzAQOeVmd6vOM39GiJh3EAB+8yxS5Rf9WPiIEloosOhiTyzlrUyo+DNozK13Jy9 +hS/sZmXsGOoRU7Rszus8GXPfIQFmYimrZbGO8VaaTB6gM8hbcZttx5Eql00VSSIuBQTZ4 d+c+N+dhgdi33rQJVKrx8yuOdfL2xDw= 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 37E1F13A05; Mon, 10 Jul 2023 12:29:29 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id CvAmDKn5q2REAgAAMHmgww (envelope-from ); Mon, 10 Jul 2023 12:29:29 +0000 Message-ID: Date: Mon, 10 Jul 2023 14:29:28 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [RFC PATCH 0/3] x86/paravirt: Get rid of paravirt patching To: linux-kernel@vger.kernel.org, x86@kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Paolo Bonzini , Wanpeng Li , Vitaly Kuznetsov , Boris Ostrovsky , xen-devel@lists.xenproject.org References: <20230608140333.4083-1-jgross@suse.com> Content-Language: en-US From: Juergen Gross In-Reply-To: <20230608140333.4083-1-jgross@suse.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------IvHaIO3XNlEm8DU31AArNzOS" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------IvHaIO3XNlEm8DU31AArNzOS Content-Type: multipart/mixed; boundary="------------ZR3DgzkYsvFZdf0BczSBdOFl"; protected-headers="v1" From: Juergen Gross To: linux-kernel@vger.kernel.org, x86@kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Paolo Bonzini , Wanpeng Li , Vitaly Kuznetsov , Boris Ostrovsky , xen-devel@lists.xenproject.org Message-ID: Subject: Re: [RFC PATCH 0/3] x86/paravirt: Get rid of paravirt patching References: <20230608140333.4083-1-jgross@suse.com> In-Reply-To: <20230608140333.4083-1-jgross@suse.com> --------------ZR3DgzkYsvFZdf0BczSBdOFl Content-Type: multipart/mixed; boundary="------------XavUypI85MKZWCdNgx90L6n0" --------------XavUypI85MKZWCdNgx90L6n0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 QW55IGNvbW1lbnRzPw0KDQpPbiAwOC4wNi4yMyAxNjowMywgSnVlcmdlbiBHcm9zcyB3cm90 ZToNCj4gVGhpcyBpcyBhIHNtYWxsIHNlcmllcyBnZXR0aW5nIHJpZCBvZiBwYXJhdmlydCBw YXRjaGluZyBieSBzd2l0Y2hpbmcNCj4gY29tcGxldGVseSB0byBhbHRlcm5hdGl2ZSBwYXRj aGluZyBmb3IgdGhlIHNhbWUgZnVuY3Rpb25hbGl0eS4NCj4gDQo+IFRoZSBiYXNpYyBpZGVh IGlzIHRvIGFkZCB0aGUgY2FwYWJpbGl0eSB0byBzd2l0Y2ggZnJvbSBpbmRpcmVjdCB0bw0K PiBkaXJlY3QgY2FsbHMgdmlhIGEgc3BlY2lhbCBhbHRlcm5hdGl2ZSBwYXRjaGluZyBvcHRp b24uDQo+IA0KPiBUaGlzIHJlbW92ZXMgX3NvbWVfIG9mIHRoZSBwYXJhdmlydCBtYWNybyBt YXplLCBidXQgbW9zdCBvZiBpdCBuZWVkcw0KPiB0byBzdGF5IGR1ZSB0byB0aGUgbmVlZCBv ZiBoaWRpbmcgdGhlIGNhbGwgaW5zdHJ1Y3Rpb25zIGZyb20gdGhlDQo+IGNvbXBpbGVyIGlu IG9yZGVyIHRvIGF2b2lkIG5lZWRsZXNzIHJlZ2lzdGVyIHNhdmUvcmVzdG9yZS4NCj4gDQo+ IFdoYXQgaXMgZ29pbmcgYXdheSBpcyB0aGUgbmFzdHkgc3RhY2tpbmcgb2YgYWx0ZXJuYXRp dmUgYW5kIHBhcmF2aXJ0DQo+IHBhdGNoaW5nIGFuZCAob2YgY291cnNlKSB0aGUgc3BlY2lh bCAucGFyYWluc3RydWN0aW9ucyBsaW5rZXIgc2VjdGlvbi4NCj4gDQo+IEkgaGF2ZSB0ZXN0 ZWQgdGhlIHNlcmllcyBvbiBiYXJlIG1ldGFsIGFuZCBhcyBYZW4gUFYgZG9tYWluIHRvIHN0 aWxsDQo+IHdvcmsuDQo+IA0KPiBSRkMgYmVjYXVzZSBJJ20gcXVpdGUgc3VyZSB0aGVyZSB3 aWxsIGJlIHNvbWUgb2JqdG9vbCB3b3JrIG5lZWRlZA0KPiAoYXQgbGVhc3QgcmVtb3Zpbmcg dGhlIHNwZWNpZmljIHBhcmF2aXJ0IGhhbmRsaW5nKS4NCj4gDQo+IEp1ZXJnZW4gR3Jvc3Mg KDMpOg0KPiAgICB4ODYvcGFyYXZpcnQ6IG1vdmUgc29tZSBmdW5jdGlvbnMgYW5kIGRlZmlu ZXMgdG8gYWx0ZXJuYXRpdmUNCj4gICAgeDg2L2FsdGVybmF0aXZlOiBhZGQgaW5kaXJlY3Qg Y2FsbCBwYXRjaGluZw0KPiAgICB4ODYvcGFyYXZpcnQ6IHN3aXRjaCBtaXhlZCBwYXJhdmly dC9hbHRlcm5hdGl2ZSBjYWxscyB0byBhbHRlcm5hdGl2ZV8yDQo+IA0KPiAgIGFyY2gveDg2 L2luY2x1ZGUvYXNtL2FsdGVybmF0aXZlLmggICAgICAgIHwgMjYgKysrKystDQo+ICAgYXJj aC94ODYvaW5jbHVkZS9hc20vcGFyYXZpcnQuaCAgICAgICAgICAgfCAzOSArKy0tLS0tLS0N Cj4gICBhcmNoL3g4Ni9pbmNsdWRlL2FzbS9wYXJhdmlydF90eXBlcy5oICAgICB8IDY4ICsr Ky0tLS0tLS0tLS0tLS0NCj4gICBhcmNoL3g4Ni9pbmNsdWRlL2FzbS9xc3BpbmxvY2tfcGFy YXZpcnQuaCB8ICA0ICstDQo+ICAgYXJjaC94ODYvaW5jbHVkZS9hc20vdGV4dC1wYXRjaGlu Zy5oICAgICAgfCAxMiAtLS0NCj4gICBhcmNoL3g4Ni9rZXJuZWwvYWx0ZXJuYXRpdmUuYyAg ICAgICAgICAgICB8IDk5ICsrKysrKysrKysrLS0tLS0tLS0tLS0tDQo+ICAgYXJjaC94ODYv a2VybmVsL2NhbGx0aHVua3MuYyAgICAgICAgICAgICAgfCAxNyArKy0tDQo+ICAgYXJjaC94 ODYva2VybmVsL2t2bS5jICAgICAgICAgICAgICAgICAgICAgfCAgNCArLQ0KPiAgIGFyY2gv eDg2L2tlcm5lbC9tb2R1bGUuYyAgICAgICAgICAgICAgICAgIHwgMjAgKystLS0NCj4gICBh cmNoL3g4Ni9rZXJuZWwvcGFyYXZpcnQuYyAgICAgICAgICAgICAgICB8IDU0ICsrLS0tLS0t LS0tLS0NCj4gICBhcmNoL3g4Ni9rZXJuZWwvdm1saW51eC5sZHMuUyAgICAgICAgICAgICB8 IDEzIC0tLQ0KPiAgIGFyY2gveDg2L3Rvb2xzL3JlbG9jcy5jICAgICAgICAgICAgICAgICAg IHwgIDIgKy0NCj4gICBhcmNoL3g4Ni94ZW4vaXJxLmMgICAgICAgICAgICAgICAgICAgICAg ICB8ICAyICstDQo+ICAgMTMgZmlsZXMgY2hhbmdlZCwgMTExIGluc2VydGlvbnMoKyksIDI0 OSBkZWxldGlvbnMoLSkNCj4gDQoNCg== --------------XavUypI85MKZWCdNgx90L6n0 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----- --------------XavUypI85MKZWCdNgx90L6n0-- --------------ZR3DgzkYsvFZdf0BczSBdOFl-- --------------IvHaIO3XNlEm8DU31AArNzOS Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsB5BAABCAAjFiEEhRJncuj2BJSl0Jf3sN6d1ii/Ey8FAmSr+agFAwAAAAAACgkQsN6d1ii/Ey/t GAf+PlDTj1lgofSxQ5KcWOBwEvtHpmSz2yX2+b71GPNP+EuwtH/phyc/lp4O2P/0nSbDx+4kStS8 iFWp0JVIje2K+ExMi5drxA3JZ26i6o2Xt/OpnPp+WULBrJaUOzIAoGU6Mo9rdHp6G0a5/kJesp7R jI/sKpmZtm9Y5GWHb7oV7aRw1wwarUHgJw8mVnh7isDkQ8PpvKJssS7jrbBGURxhfviYtmV5wcqY KaR5yFz97/9d042TFkPwtUMlgIFfWCIwZeKxB83CCRnmgBk+RP/TMQqqdky3VNE2zUbZCXQuippD YCS91d0eFmCgRKI96MpgM3/thFOaIOr3uVPwE3rWcw== =YrNk -----END PGP SIGNATURE----- --------------IvHaIO3XNlEm8DU31AArNzOS--