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 1805FC43334 for ; Tue, 14 Jun 2022 15:10:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355258AbiFNPKA (ORCPT ); Tue, 14 Jun 2022 11:10:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241398AbiFNPJ6 (ORCPT ); Tue, 14 Jun 2022 11:09:58 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F0492E68C for ; Tue, 14 Jun 2022 08:09:57 -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 A6C4E21B69; Tue, 14 Jun 2022 15:09:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1655219396; 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=TBuTSA8mQ0jvxTP5qnDkR0bwrd8FxfdNziVlcfJYYno=; b=O1UBCoRPk4dvMZPflj5RmgChdsLFUHirjfqT7qIfr/YxFKzsZpYH4JaoGpv5LJ5mOZM1Ti I5vSvZ1F4ZcEZc4FfE8HVPbaB9G5b2ytQIbMXelR34pxj1mB6jbSTZ7TdwDPM4rGMxQk1l SHKq3LZprlSAA9UF0cqWaDNc7cIfrZs= 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 4E0A01361C; Tue, 14 Jun 2022 15:09:56 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id n/z8EMSkqGJGVwAAMHmgww (envelope-from ); Tue, 14 Jun 2022 15:09:56 +0000 Message-ID: Date: Tue, 14 Jun 2022 17:09:55 +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: xen-devel@lists.xenproject.org, x86@kernel.org, linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , Dave Hansen , Borislav Petkov Cc: jbeulich@suse.com, Andy Lutomirski , Peter Zijlstra , "H. Peter Anvin" References: <20220503132207.17234-1-jgross@suse.com> <20220503132207.17234-2-jgross@suse.com> From: Juergen Gross In-Reply-To: <20220503132207.17234-2-jgross@suse.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------eun63RK740ZvvNDN34swS1W9" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------eun63RK740ZvvNDN34swS1W9 Content-Type: multipart/mixed; boundary="------------yoJ6DkuojrwCMWyBgW7a1PaZ"; protected-headers="v1" From: Juergen Gross To: xen-devel@lists.xenproject.org, x86@kernel.org, linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , Dave Hansen , Borislav Petkov Cc: jbeulich@suse.com, Andy Lutomirski , Peter Zijlstra , "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> In-Reply-To: <20220503132207.17234-2-jgross@suse.com> --------------yoJ6DkuojrwCMWyBgW7a1PaZ Content-Type: multipart/mixed; boundary="------------fRcA0gQMkBVZfOGxtlWXbzS3" --------------fRcA0gQMkBVZfOGxtlWXbzS3 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMDMuMDUuMjIgMTU6MjIsIEp1ZXJnZW4gR3Jvc3Mgd3JvdGU6DQo+IHg4Nl9oYXNfcGF0 X3dwKCkgaXMgdXNpbmcgYSB3cm9uZyB0ZXN0LCBhcyBpdCByZWxpZXMgb24gdGhlIG5vcm1h bA0KPiBQQVQgY29uZmlndXJhdGlvbiB1c2VkIGJ5IHRoZSBrZXJuZWwuIEluIGNhc2UgdGhl IFBBVCBNU1IgaGFzIGJlZW4NCj4gc2V0dXAgYnkgYW5vdGhlciBlbnRpdHkgKGUuZy4gQklP UyBvciBYZW4gaHlwZXJ2aXNvcikgaXQgbWlnaHQgcmV0dXJuDQo+IGZhbHNlIGV2ZW4gaWYg dGhlIFBBVCBjb25maWd1cmF0aW9uIGlzIGFsbG93aW5nIFdQIG1hcHBpbmdzLg0KPiANCj4g Rml4ZXM6IDFmNmY2NTVlMDFhZCAoIng4Ni9tbTogQWRkIGEgeDg2X2hhc19wYXRfd3AoKSBo ZWxwZXIiKQ0KPiBTaWduZWQtb2ZmLWJ5OiBKdWVyZ2VuIEdyb3NzIDxqZ3Jvc3NAc3VzZS5j b20+DQo+IC0tLQ0KPiAgIGFyY2gveDg2L21tL2luaXQuYyB8IDMgKystDQo+ICAgMSBmaWxl IGNoYW5nZWQsIDIgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQ0KPiANCj4gZGlmZiAt LWdpdCBhL2FyY2gveDg2L21tL2luaXQuYyBiL2FyY2gveDg2L21tL2luaXQuYw0KPiBpbmRl eCBkOGNmY2UyMjEyNzUuLjcxZTE4MmViY2VkMyAxMDA2NDQNCj4gLS0tIGEvYXJjaC94ODYv bW0vaW5pdC5jDQo+ICsrKyBiL2FyY2gveDg2L21tL2luaXQuYw0KPiBAQCAtODAsNyArODAs OCBAQCBzdGF0aWMgdWludDhfdCBfX3B0ZTJjYWNoZW1vZGVfdGJsWzhdID0gew0KPiAgIC8q IENoZWNrIHRoYXQgdGhlIHdyaXRlLXByb3RlY3QgUEFUIGVudHJ5IGlzIHNldCBmb3Igd3Jp dGUtcHJvdGVjdCAqLw0KPiAgIGJvb2wgeDg2X2hhc19wYXRfd3Aodm9pZCkNCj4gICB7DQo+ IC0JcmV0dXJuIF9fcHRlMmNhY2hlbW9kZV90YmxbX1BBR0VfQ0FDSEVfTU9ERV9XUF0gPT0g X1BBR0VfQ0FDSEVfTU9ERV9XUDsNCj4gKwlyZXR1cm4gX19wdGUyY2FjaGVtb2RlX3RibFtf X2NhY2hlbW9kZTJwdGVfdGJsW19QQUdFX0NBQ0hFX01PREVfV1BdXSA9PQ0KPiArCSAgICAg ICBfUEFHRV9DQUNIRV9NT0RFX1dQOw0KPiAgIH0NCj4gICANCj4gICBlbnVtIHBhZ2VfY2Fj aGVfbW9kZSBwZ3Byb3QyY2FjaGVtb2RlKHBncHJvdF90IHBncHJvdCkNCg0KeDg2IG1haW50 YWluZXJzLCBwbGVhc2UgY29uc2lkZXIgdGFraW5nIHRoaXMgcGF0Y2gsIGFzIGl0IGlzIGZp eGluZw0KYSByZWFsIGJ1Zy4gUGF0Y2ggMiBvZiB0aGlzIHNlcmllcyBjYW4gYmUgZHJvcHBl ZCBJTU8uDQoNCg0KSnVlcmdlbg0K --------------fRcA0gQMkBVZfOGxtlWXbzS3 Content-Type: application/pgp-keys; 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