Received: by 2002:a6b:fb09:0:0:0:0:0 with SMTP id h9csp2983798iog; Mon, 20 Jun 2022 08:46:03 -0700 (PDT) X-Google-Smtp-Source: AGRyM1vtTpROe+LCq6ppoTcgpJmE2g6f9WBwrSYif733jya40vvSYx0lRcm4h30sj/stoSLucOfp X-Received: by 2002:a05:6402:11cd:b0:435:64b5:9a52 with SMTP id j13-20020a05640211cd00b0043564b59a52mr20389739edw.157.1655739963323; Mon, 20 Jun 2022 08:46:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1655739963; cv=none; d=google.com; s=arc-20160816; b=tpczDNbVgwuf58+5K2U2uhorizCjv6tAKH5R9au9U86hdRkhFn+qaDJU8Pb6hG8niw nLe3C769hxUPE9Q0tR/agWjwCT04mwJO+NA+Eddd+NJsy7EHkJgU1SRBYlaZ1FK5Alul FwLaok5LZATRYVQp7V2hvoqD3uP4XlcE8LgCLqeAAwqUZ9dRH2LTyVDL9NMyiEuEZZRp xiRSlREvWXNUlJGbJUu9XmRe2TLQB94sQ761/ci3S1oHIkF8ohw7ZX5i1M8cSVhzyTlO z5sMBmg52ia1Opkr8tihvR/hBkZ8zLFtMhycQVxVHTC4ofaqviHYwoNyQ4HiCz/cNEjG P5jw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :dkim-signature; bh=ACoOTC2stnarzxryygTxid+tfZOlr5PbEG8RRUFLwi8=; b=qwLYaVA1PUlMOKyAxXtykZzN2MHEbW4mJUeIHTf7NS9HXWWyWLCQVBdGeyXQqxp4Lt 5hyMlBiSXObFqwWnF547WfaYPFhO+6g8N0FLELJary6zvVJEv1c23LAkmIhTnYVNDAqW 2m1z2WvT8Khf1aRjOoJC8TcO3o/H3lpAL486D7Z9klhZla1S1gP14hbnl3cZ29E9JJU+ nC36QUyf3MEDrlUPTLAmI5UfY80DYC/wrgpbmNLKNAiFzv/pXIAtCuBDAgSs6dv6zsRD Djh9uqKZMqiYevSaDj2S49SW+z2jRECHH/a2r1w3LBaqQ8ow/wtWMxwc6uRriIrOjC2o /NrA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@suse.com header.s=susede1 header.b="H3a/JMLM"; 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 Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id gs20-20020a1709072d1400b0070f1426c37asi15078304ejc.464.2022.06.20.08.45.36; Mon, 20 Jun 2022 08:46:03 -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="H3a/JMLM"; 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 S234090AbiFTPer (ORCPT + 99 others); Mon, 20 Jun 2022 11:34:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231596AbiFTPep (ORCPT ); Mon, 20 Jun 2022 11:34:45 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B243BCE00 for ; Mon, 20 Jun 2022 08:34:44 -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 69BD121A37; Mon, 20 Jun 2022 15:34:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1655739283; 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=ACoOTC2stnarzxryygTxid+tfZOlr5PbEG8RRUFLwi8=; b=H3a/JMLM1Dr5ocBo4uC4Ohfb/QWojMoWb6FZRQfCFMKGr9SBY4x6Jp9IT9avM7jfOYh9tE cthAzt5hRvfOCtsBsMiSzNg6hslRkSWmp4FPU0XDZXD4IxhDaqG9pWYBnJZ8GJlYu2djbq M77Z4uBU6VoCGZp5x0uWx6hCbp9rUH0= 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 1145513638; Mon, 20 Jun 2022 15:34:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id a+HBApOTsGJ3fwAAMHmgww (envelope-from ); Mon, 20 Jun 2022 15:34:43 +0000 Message-ID: Date: Mon, 20 Jun 2022 17:34:42 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Subject: Re: [PATCH 1/2] x86/pat: fix x86_has_pat_wp() Content-Language: en-US To: Dave Hansen , Borislav Petkov Cc: xen-devel@lists.xenproject.org, x86@kernel.org, linux-kernel@vger.kernel.org, jbeulich@suse.com, Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" References: <20220503132207.17234-1-jgross@suse.com> <20220503132207.17234-2-jgross@suse.com> <1cfde4bf-241f-d94c-ffd7-2a11cf9aa1f2@suse.com> <63ccccac-2aa7-8850-9cd3-a8b7b89e1872@intel.com> From: Juergen Gross In-Reply-To: <63ccccac-2aa7-8850-9cd3-a8b7b89e1872@intel.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------0we9pLFkJBVTNxTMON0yDeQD" X-Spam-Status: No, score=-4.4 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,T_SCC_BODY_TEXT_LINE 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) --------------0we9pLFkJBVTNxTMON0yDeQD Content-Type: multipart/mixed; boundary="------------iPeeSZwKgEsGXEdaV0RlhR0A"; protected-headers="v1" From: Juergen Gross To: Dave Hansen , Borislav Petkov Cc: xen-devel@lists.xenproject.org, x86@kernel.org, linux-kernel@vger.kernel.org, jbeulich@suse.com, Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" Message-ID: Subject: Re: [PATCH 1/2] x86/pat: fix x86_has_pat_wp() References: <20220503132207.17234-1-jgross@suse.com> <20220503132207.17234-2-jgross@suse.com> <1cfde4bf-241f-d94c-ffd7-2a11cf9aa1f2@suse.com> <63ccccac-2aa7-8850-9cd3-a8b7b89e1872@intel.com> In-Reply-To: <63ccccac-2aa7-8850-9cd3-a8b7b89e1872@intel.com> --------------iPeeSZwKgEsGXEdaV0RlhR0A Content-Type: multipart/mixed; boundary="------------Ik6WguhLVV1z6SqwyzSmNVps" --------------Ik6WguhLVV1z6SqwyzSmNVps Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMjAuMDYuMjIgMTc6MjcsIERhdmUgSGFuc2VuIHdyb3RlOg0KPiBPbiA2LzIwLzIyIDAz OjQxLCBKdWVyZ2VuIEdyb3NzIHdyb3RlOg0KPj4+IEJ1dCBJJ20gb25seSBndWVzc2luZyAt IHRoaXMgbmVlZHMgYSAqbG90KiBtb3JlIGVsYWJvcmF0aW9uIGFuZA0KPj4+IGV4cGxhbmF0 aW9uIHdoeSBleGFjdGx5IHRoaXMgaXMgbmVlZGVkLg0KPj4NCj4+IEkgd2lsbCBjb3JyZWN0 IHRoZSBjb2RlIGFuZCB1cGRhdGUgdGhlIGNvbW1pdCBtZXNzYWdlLg0KPiANCj4gSXQgd291 bGQgYWxzbyBiZSBncmVhdCB0byBjb3ZlciB0aGUgZW5kLXVzZXItdmlzaWJsZSBpbXBhY3Qg b2YgdGhlIGJ1Zw0KPiBhbmQgdGhlIGZpeC4gIEl0IF9sb29rc18gbGlrZSBpdCB3aWxsIHBy b2JhYmx5IG9ubHkgYWZmZWN0IGFuIFNFVg0KPiBzeXN0ZW0ncyBhYmlsaXR5IHRvIHJlYWQg c29tZSBFRkkgZGF0YS4gIFRoYXQgd2lsbCBwcmVzdW1hYmx5IGJlIHByZXR0eQ0KPiBiYWQg YmVjYXVzZSBpdCBlbmRzIHVwIHJlYWRpbmcgZnJvbSBhbiBlbmNyeXB0ZWQgbWFwcGluZyBp bnN0ZWFkIG9mIGENCj4gZGVjcnlwdGVkIG9uZS4NCg0KWGVuIGRvZXNuJ3Qgc3VwcG9ydCBT RVYgZ3Vlc3RzIHlldC4gU28gdGhlIG9ubHkgY2F2ZWF0IGhlcmUgd291bGQgYmUgRUZJDQpz ZXR0aW5nIHVwIFBBVCBieSBpdHNlbGYuDQoNCk5vdCBzdXJlIHRoaXMgaXMgcmVhbGx5IGEg cmVhbCB3b3JsZCBpc3N1ZS4NCg0KDQpKdWVyZ2VuDQo= --------------Ik6WguhLVV1z6SqwyzSmNVps 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----- --------------Ik6WguhLVV1z6SqwyzSmNVps-- --------------iPeeSZwKgEsGXEdaV0RlhR0A-- --------------0we9pLFkJBVTNxTMON0yDeQD Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsB5BAABCAAjFiEEhRJncuj2BJSl0Jf3sN6d1ii/Ey8FAmKwk5IFAwAAAAAACgkQsN6d1ii/Ey8c oAf/Tm/GXq1f93iDng9MUWcolmpgjyI+fikteB4dq/37A/h/SsPHjcq5sNH3u1wDAOBPGmG0VCjt 1o6GeZZTPbTwbhKzScy5GZEMRvxVi3CtLc4DTNnJdENnYFAraKRftqEX82hBkqWBiW8OxpT7yl7m bW+zbuE76dGSxAs8uw9jjTjK+f82NVtBpOR2qluCpnoGvOY7MOS3NW6Jeoj6NaITJmosY+iBQa8h 1yMY307n1KqB3Djz4Lwv/sISeS6uxroVIs0aCieke/7lmbnCl48zYL+24kSFWZ17j05LuJNwKYLN X9Xu8Y9X5Afhs4A5zxjwlrLbF1MWtNIXlExtJ+McgQ== =OupB -----END PGP SIGNATURE----- --------------0we9pLFkJBVTNxTMON0yDeQD--