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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 218B1C43331 for ; Thu, 7 Nov 2019 18:22:28 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id CF2C5206DF for ; Thu, 7 Nov 2019 18:22:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="dbzlCADz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CF2C5206DF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 76F056B0003; Thu, 7 Nov 2019 13:22:27 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 720246B0005; Thu, 7 Nov 2019 13:22:27 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5E8226B0007; Thu, 7 Nov 2019 13:22:27 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0246.hostedemail.com [216.40.44.246]) by kanga.kvack.org (Postfix) with ESMTP id 493EA6B0003 for ; Thu, 7 Nov 2019 13:22:27 -0500 (EST) Received: from smtpin24.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with SMTP id D8A83181AEF0B for ; Thu, 7 Nov 2019 18:22:26 +0000 (UTC) X-FDA: 76130301492.24.anger27_89a85b04b1841 X-HE-Tag: anger27_89a85b04b1841 X-Filterd-Recvd-Size: 8209 Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) by imf16.hostedemail.com (Postfix) with ESMTP for ; Thu, 7 Nov 2019 18:22:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1573150945; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7iLLDW7QM1xnQc7BXIS/h4Apa1ZBB2zXuGDVuVIx4/w=; b=dbzlCADzLQ6zcUGD4Zr0iGdtUqAaxIWBqBYJ9Lka9L5psELp3mNfDQlujN836VzT04SiDI Sq1WbSANqP4WMCk32YnLWCNXDBtZfohylUtZptemKbHpm/GKFajh5MfYbudEcbX0I/OeLx Duqme091/saTuuOotKjYOkERGMcBbOE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-12-fKdDWJsqPc21aH5FVitopg-1; Thu, 07 Nov 2019 13:22:23 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 480271005502; Thu, 7 Nov 2019 18:22:17 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2D2CD4AF; Thu, 7 Nov 2019 18:22:15 +0000 (UTC) Received: from zmail19.collab.prod.int.phx2.redhat.com (zmail19.collab.prod.int.phx2.redhat.com [10.5.83.22]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 3E1C518095FF; Thu, 7 Nov 2019 18:22:12 +0000 (UTC) From: David Hildenbrand MIME-Version: 1.0 Subject: Re: [PATCH v1 04/10] vfio/type1: Prepare is_invalid_reserved_pfn() for PG_reserved changes Date: Thu, 7 Nov 2019 13:22:12 -0500 (EST) Message-Id: References: Cc: David Hildenbrand , Linux Kernel Mailing List , Linux MM , Michal Hocko , Andrew Morton , kvm-ppc@vger.kernel.org, linuxppc-dev , KVM list , linux-hyperv@vger.kernel.org, devel@driverdev.osuosl.org, xen-devel , X86 ML , Alexander Duyck , Alexander Duyck , Alex Williamson , Allison Randal , Andy Lutomirski , "Aneesh Kumar K.V" , Anshuman Khandual , Anthony Yznaga , Benjamin Herrenschmidt , Borislav Petkov , Boris Ostrovsky , Christophe Leroy , Cornelia Huck , Dave Hansen , Haiyang Zhang , "H. Peter Anvin" , Ingo Molnar , "Isaac J. Manjarres" , Jim Mattson , Joerg Roedel , Johannes Weiner , Juergen Gross , KarimAllah Ahmed , Kees Cook , "K. Y. Srinivasan" , "Matthew Wilcox (Oracle)" , Matt Sickler , Mel Gorman , Michael Ellerman , Michal Hocko , Mike Rapoport , Mike Rapoport , Nicholas Piggin , Oscar Salvador , Paolo Bonzini , Paul Mackerras , Paul Mackerras , Pavel Tatashin , Pavel Tatashin , Peter Zijlstra , Qian Cai , =?utf-8?Q?Radim_Kr=C4=8Dm=C3=A1=C5=99?= , Sasha Levin , Sean Christopherson , Stefano Stabellini , Stephen Hemminger , Thomas Gleixner , Vitaly Kuznetsov , Vlastimil Babka , Wanpeng Li , YueHaibing In-Reply-To: To: Dan Williams Thread-Topic: vfio/type1: Prepare is_invalid_reserved_pfn() for PG_reserved changes Thread-Index: +s2g58aTrOooMxUTMjHg25AUP3zIIA== X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: fKdDWJsqPc21aH5FVitopg-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: DQoNCj4gQW0gMDcuMTEuMjAxOSB1bSAxNjo0MCBzY2hyaWViIERhbiBXaWxsaWFtcyA8ZGFuLmou d2lsbGlhbXNAaW50ZWwuY29tPjoNCj4gDQo+IO+7v09uIFRodSwgT2N0IDI0LCAyMDE5IGF0IDU6 MTIgQU0gRGF2aWQgSGlsZGVuYnJhbmQgPGRhdmlkQHJlZGhhdC5jb20+IHdyb3RlOg0KPj4gDQo+ PiBSaWdodCBub3csIFpPTkVfREVWSUNFIG1lbW9yeSBpcyBhbHdheXMgc2V0IFBHX3Jlc2VydmVk LiBXZSB3YW50IHRvDQo+PiBjaGFuZ2UgdGhhdC4NCj4+IA0KPj4gS1ZNIGhhcyB0aGlzIHdlaXJk IHVzZSBjYXNlIHRoYXQgeW91IGNhbiBtYXAgYW55dGhpbmcgZnJvbSAvZGV2L21lbQ0KPj4gaW50 byB0aGUgZ3Vlc3QuIHBmbl92YWxpZCgpIGlzIG5vdCBhIHJlbGlhYmxlIGNoZWNrIHdoZXRoZXIg dGhlIG1lbW1hcA0KPj4gd2FzIGluaXRpYWxpemVkIGFuZCBjYW4gYmUgdG91Y2hlZC4gcGZuX3Rv X29ubGluZV9wYWdlKCkgbWFrZXMgc3VyZQ0KPj4gdGhhdCB3ZSBoYXZlIGFuIGluaXRpYWxpemVk IG1lbW1hcCAoYW5kIGRvbid0IGhhdmUgWk9ORV9ERVZJQ0UgbWVtb3J5KS4NCj4+IA0KPj4gUmV3 cml0ZSBpc19pbnZhbGlkX3Jlc2VydmVkX3BmbigpIHNpbWlsYXIgdG8ga3ZtX2lzX3Jlc2VydmVk X3BmbigpIHRvIG1ha2UNCj4+IHN1cmUgdGhlIGZ1bmN0aW9uIHByb2R1Y2VzIHRoZSBzYW1lIHJl c3VsdCBvbmNlIHdlIHN0b3Agc2V0dGluZyBaT05FX0RFVklDRQ0KPj4gcGFnZXMgUEdfcmVzZXJ2 ZWQuDQo+PiANCj4+IENjOiBBbGV4IFdpbGxpYW1zb24gPGFsZXgud2lsbGlhbXNvbkByZWRoYXQu Y29tPg0KPj4gQ2M6IENvcm5lbGlhIEh1Y2sgPGNvaHVja0ByZWRoYXQuY29tPg0KPj4gU2lnbmVk LW9mZi1ieTogRGF2aWQgSGlsZGVuYnJhbmQgPGRhdmlkQHJlZGhhdC5jb20+DQo+PiAtLS0NCj4+ IGRyaXZlcnMvdmZpby92ZmlvX2lvbW11X3R5cGUxLmMgfCAxMCArKysrKysrKy0tDQo+PiAxIGZp bGUgY2hhbmdlZCwgOCBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQ0KPj4gDQo+PiBkaWZm IC0tZ2l0IGEvZHJpdmVycy92ZmlvL3ZmaW9faW9tbXVfdHlwZTEuYyBiL2RyaXZlcnMvdmZpby92 ZmlvX2lvbW11X3R5cGUxLmMNCj4+IGluZGV4IDJhZGE4ZTZjZGI4OC4uZjhjZThjNDA4YmE4IDEw MDY0NA0KPj4gLS0tIGEvZHJpdmVycy92ZmlvL3ZmaW9faW9tbXVfdHlwZTEuYw0KPj4gKysrIGIv ZHJpdmVycy92ZmlvL3ZmaW9faW9tbXVfdHlwZTEuYw0KPj4gQEAgLTI5OSw5ICsyOTksMTUgQEAg c3RhdGljIGludCB2ZmlvX2xvY2tfYWNjdChzdHJ1Y3QgdmZpb19kbWEgKmRtYSwgbG9uZyBucGFn ZSwgYm9vbCBhc3luYykNCj4+ICAqLw0KPj4gc3RhdGljIGJvb2wgaXNfaW52YWxpZF9yZXNlcnZl ZF9wZm4odW5zaWduZWQgbG9uZyBwZm4pDQo+PiB7DQo+PiAtICAgICAgIGlmIChwZm5fdmFsaWQo cGZuKSkNCj4+IC0gICAgICAgICAgICAgICByZXR1cm4gUGFnZVJlc2VydmVkKHBmbl90b19wYWdl KHBmbikpOw0KPj4gKyAgICAgICBzdHJ1Y3QgcGFnZSAqcGFnZSA9IHBmbl90b19vbmxpbmVfcGFn ZShwZm4pOw0KPiANCj4gVWdoLCBJIGp1c3QgcmVhbGl6ZWQgdGhpcyBpcyBub3QgYSBzYWZlIGNv bnZlcnNpb24gdW50aWwNCj4gcGZuX3RvX29ubGluZV9wYWdlKCkgaXMgbW92ZWQgb3ZlciB0byBz dWJzZWN0aW9uIGdyYW51bGFyaXR5LiBBcyBpdA0KPiBzdGFuZHMgaXQgd2lsbCByZXR1cm4gdHJ1 ZSBmb3IgYW55IFpPTkVfREVWSUNFIHBhZ2VzIHRoYXQgc2hhcmUgYQ0KPiBzZWN0aW9uIHdpdGgg Ym9vdCBtZW1vcnkuDQoNClRoYXQgc2hvdWxkIG5vdCBoYXBwZW4gcmlnaHQgbm93IGFuZCBJIGNv bW1lbnRlZCBiYWNrIHdoZW4geW91IGludHJvZHVjZWQgc3Vic2VjdGlvbiBzdXBwb3J0IHRoYXQg SSBkb27igJl0IHdhbnQgdG8gaGF2ZSBaT05FX0RFVklDRSBtaXhlZCB3aXRoIG9ubGluZSBwYWdl cyBpbiBhIHNlY3Rpb24uIEhhdmluZyBtZW1vcnkgYmxvY2sgZGV2aWNlcyB0aGF0IHBhcnRpYWxs eSBzcGFuIFpPTkVfREVWSUNFIHdvdWxkIGJlIC4uLiByZWFsbHkgd2VpcmQuIFdpdGggc29tZXRo aW5nIGxpa2UgcGZuX2FjdGl2ZSgpIC0gYXMgZGlzY3Vzc2VkIC0gd2UgY291bGQgYXQgbGVhc3Qg bWFrZSB0aGlzIGNoZWNrIHdvcmsgLSBidXQgSSBhbSBub3Qgc3VyZSBpZiB3ZSByZWFsbHkgd2Fu dCB0byBnbyBkb3duIHRoYXQgcGF0aC4gSW4gdGhlIHdvcnN0IGNhc2UsIHNvbWUgTUIgb2YgUkFN IGFyZSBsb3N0IC4uLiBJIGd1ZXNzIHRoaXMgbmVlZHMgbW9yZSB0aG91Z2h0Lg==