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 B0058C43217 for ; Thu, 1 Dec 2022 16:33:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232229AbiLAQde (ORCPT ); Thu, 1 Dec 2022 11:33:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51782 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232235AbiLAQdc (ORCPT ); Thu, 1 Dec 2022 11:33:32 -0500 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB4B7A95B8 for ; Thu, 1 Dec 2022 08:33:30 -0800 (PST) Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (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 7918321B50; Thu, 1 Dec 2022 16:33:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1669912409; 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=hQBCgRtNwjpMVX06HttfDC1rrQdpVuhxKCeeWmLG3BM=; b=jVHOMh4nZ1CSjAtMP9/EarGO4bviHQ5OdPoxy8FdaYsZfin8+1YwcxUgn9DR+IfkfC2rau dw8G1guShDzc37XFubFUTjFi4HCwZ+KvhSsB+Lb4lFVwyaiw8tPg3vH4Sd43YiTZQqlFKh ZRxzmGIQhlCPZFsFOWzF6bZ817tdNDc= Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (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 imap1.suse-dmz.suse.de (Postfix) with ESMTPS id 2DF8C1320E; Thu, 1 Dec 2022 16:33:29 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap1.suse-dmz.suse.de with ESMTPSA id xWBnCVnXiGONdAAAGKfGzw (envelope-from ); Thu, 01 Dec 2022 16:33:29 +0000 Message-ID: <6d642051-31d8-81d5-f379-568360c5cb60@suse.com> Date: Thu, 1 Dec 2022 17:33:28 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 Subject: Re: [PATCH v5 13/16] x86: decouple PAT and MTRR handling Content-Language: en-US To: "Kirill A. Shutemov" Cc: linux-kernel@vger.kernel.org, x86@kernel.org, Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra References: <20221102074713.21493-1-jgross@suse.com> <20221102074713.21493-14-jgross@suse.com> <20221201162639.omlr5ff55go7uhlf@box.shutemov.name> From: Juergen Gross In-Reply-To: <20221201162639.omlr5ff55go7uhlf@box.shutemov.name> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------SHy2yd5K00j8as9NgyPSOPSV" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------SHy2yd5K00j8as9NgyPSOPSV Content-Type: multipart/mixed; boundary="------------pUsBNUjjT3z3WMLFulHrpovs"; protected-headers="v1" From: Juergen Gross To: "Kirill A. Shutemov" Cc: linux-kernel@vger.kernel.org, x86@kernel.org, Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra Message-ID: <6d642051-31d8-81d5-f379-568360c5cb60@suse.com> Subject: Re: [PATCH v5 13/16] x86: decouple PAT and MTRR handling References: <20221102074713.21493-1-jgross@suse.com> <20221102074713.21493-14-jgross@suse.com> <20221201162639.omlr5ff55go7uhlf@box.shutemov.name> In-Reply-To: <20221201162639.omlr5ff55go7uhlf@box.shutemov.name> --------------pUsBNUjjT3z3WMLFulHrpovs Content-Type: multipart/mixed; boundary="------------PNcRKuxBkzdEC4HvHP3ep8H7" --------------PNcRKuxBkzdEC4HvHP3ep8H7 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMDEuMTIuMjIgMTc6MjYsIEtpcmlsbCBBLiBTaHV0ZW1vdiB3cm90ZToNCj4gT24gV2Vk LCBOb3YgMDIsIDIwMjIgYXQgMDg6NDc6MTBBTSArMDEwMCwgSnVlcmdlbiBHcm9zcyB3cm90 ZToNCj4+IFRvZGF5IFBBVCBpcyB1c2FibGUgb25seSB3aXRoIE1UUlIgYmVpbmcgYWN0aXZl LCB3aXRoIHNvbWUgbmFzdHkgdHdlYWtzDQo+PiB0byBtYWtlIFBBVCB1c2FibGUgd2hlbiBy dW5uaW5nIGFzIFhlbiBQViBndWVzdCwgd2hpY2ggZG9lc24ndCBzdXBwb3J0DQo+PiBNVFJS Lg0KPj4NCj4+IFRoZSByZWFzb24gZm9yIHRoaXMgY291cGxpbmcgaXMsIHRoYXQgYm90aCwg UEFUIE1TUiBjaGFuZ2VzIGFuZCBNVFJSDQo+PiBjaGFuZ2VzLCByZXF1aXJlIGEgc2ltaWxh ciBzZXF1ZW5jZSBhbmQgc28gZnVsbCBQQVQgc3VwcG9ydCB3YXMgYWRkZWQNCj4+IHVzaW5n IHRoZSBhbHJlYWR5IGF2YWlsYWJsZSBNVFJSIGhhbmRsaW5nLg0KPj4NCj4+IFhlbiBQViBQ QVQgaGFuZGxpbmcgY2FuIHdvcmsgd2l0aG91dCBNVFJSLCBhcyBpdCBqdXN0IG5lZWRzIHRv IGNvbnN1bWUNCj4+IHRoZSBQQVQgTVNSIHNldHRpbmcgZG9uZSBieSB0aGUgaHlwZXJ2aXNv ciB3aXRob3V0IHRoZSBhYmlsaXR5IGFuZCBuZWVkDQo+PiB0byBjaGFuZ2UgaXQuIFRoaXMg aW4gdHVybiBoYXMgcmVzdWx0ZWQgaW4gYSBjb252b2x1dGVkIGluaXRpYWxpemF0aW9uDQo+ PiBzZXF1ZW5jZSBhbmQgd3JvbmcgZGVjaXNpb25zIHJlZ2FyZGluZyBjYWNoZSBtb2RlIGF2 YWlsYWJpbGl0eSBkdWUgdG8NCj4+IG1pc2d1aWRpbmcgUEFUIGF2YWlsYWJpbGl0eSBmbGFn cy4NCj4+DQo+PiBGaXggYWxsIG9mIHRoYXQgYnkgYWxsb3dpbmcgdG8gdXNlIFBBVCB3aXRo b3V0IE1UUlIgYW5kIGJ5IHJld29ya2luZw0KPj4gdGhlIGN1cnJlbnQgUEFUIGluaXRpYWxp emF0aW9uIHNlcXVlbmNlIHRvIG1hdGNoIGJldHRlciB3aXRoIHRoZSBuZXdseQ0KPj4gaW50 cm9kdWNlZCBnZW5lcmljIGNhY2hlIGluaXRpYWxpemF0aW9uLg0KPj4NCj4+IFRoaXMgcmVt b3ZlcyB0aGUgbmVlZCBvZiB0aGUgcmVjZW50bHkgYWRkZWQgcGF0X2ZvcmNlX2Rpc2FibGVk IGZsYWcsIHNvDQo+PiByZW1vdmUgdGhlIHJlbW5hbnRzIG9mIHRoZSBwYXRjaCBhZGRpbmcg aXQuDQo+Pg0KPj4gU2lnbmVkLW9mZi1ieTogSnVlcmdlbiBHcm9zcyA8amdyb3NzQHN1c2Uu Y29tPg0KPiANCj4gVGhpcyBwYXRjaCBicmVha3MgYm9vdCBmb3IgVERYIGd1ZXN0Lg0KPiAN Cj4gS2VybmVsIG5vdyB0cmllcyB0byBzZXQgQ1IwLkNEIHdoaWNoIGlzIGZvcmJpZGRlbiBp biBURFggZ3Vlc3RbMV0gYW5kDQo+IGNhdXNlcyAjVkU6DQo+IA0KPiAJdGR4OiBVbmV4cGVj dGVkICNWRTogMjgNCj4gCVZFIGZhdWx0OiAwMDAwIFsjMV0gUFJFRU1QVCBTTVAgTk9QVEkN Cj4gCUNQVTogMCBQSUQ6IDAgQ29tbTogc3dhcHBlciBOb3QgdGFpbnRlZCA2LjEuMC1yYzEt MDAwMTUtZ2FkZmU3NTEyZTFkMCAjMjY0Ng0KPiAJSGFyZHdhcmUgbmFtZTogUUVNVSBTdGFu ZGFyZCBQQyAoUTM1ICsgSUNIOSwgMjAwOSksIEJJT1MgMC4wLjAgMDIvMDYvMjAxNQ0KPiAJ UklQOiAwMDEwOm5hdGl2ZV93cml0ZV9jcjAgKGFyY2gveDg2L2tlcm5lbC9jcHUvY29tbW9u LmM6NDI3KQ0KPiAJIENhbGwgVHJhY2U6DQo+IAkgIDxUQVNLPg0KPiAJID8gY2FjaGVfZGlz YWJsZSAoYXJjaC94ODYvaW5jbHVkZS9hc20vY3B1ZmVhdHVyZS5oOjE3MyBhcmNoL3g4Ni9r ZXJuZWwvY3B1L2NhY2hlaW5mby5jOjEwODUpDQo+IAkgPyBjYWNoZV9jcHVfaW5pdCAoYXJj aC94ODYva2VybmVsL2NwdS9jYWNoZWluZm8uYzoxMTMyIChkaXNjcmltaW5hdG9yIDMpKQ0K PiAJID8gc2V0dXBfYXJjaCAoYXJjaC94ODYva2VybmVsL3NldHVwLmM6MTA3OSkNCj4gCSA/ IHN0YXJ0X2tlcm5lbCAoaW5pdC9tYWluLmM6Mjc5IChkaXNjcmltaW5hdG9yIDMpIGluaXQv bWFpbi5jOjQ3NyAoZGlzY3JpbWluYXRvciAzKSBpbml0L21haW4uYzo5NjAgKGRpc2NyaW1p bmF0b3IgMykpDQo+IAkgPyBsb2FkX3Vjb2RlX2JzcCAoYXJjaC94ODYva2VybmVsL2NwdS9t aWNyb2NvZGUvY29yZS5jOjE1NSkNCj4gCSA/IHNlY29uZGFyeV9zdGFydHVwXzY0X25vX3Zl cmlmeSAoYXJjaC94ODYva2VybmVsL2hlYWRfNjQuUzozNTgpDQo+IAkgIDwvVEFTSz4NCj4g DQo+IEFueSBzdWdnZXN0aW9uIGhvdyB0byBmaXggaXQ/DQo+IA0KPiBbMV0gU2VjdGlvbiAx MC42LjEuICJDUjAiLCBodHRwczovL2NkcmR2Mi5pbnRlbC5jb20vdjEvZGwvZ2V0Q29udGVu dC83MzM1NjgNCg0KV2hhdCB3YXMgdGhlIHNvbHV0aW9uIGJlZm9yZT8NCg0KSSBndWVzcyBN VFJSIHdhcyBkaXNhYmxlZCwgc28gdGhlcmUgd2FzIG5vIFBBVCwgdG9vPw0KDQpJZiB0aGlz IGlzIHRoZSBjYXNlLCB5b3UgY2FuIGdvIHRoZSBzYW1lIHJvdXRlIGFzIFhlbiBQViBndWVz dHMgZG8uDQoNCg0KSnVlcmdlbg0K --------------PNcRKuxBkzdEC4HvHP3ep8H7 Content-Type: application/pgp-keys; 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