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=-6.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 2D963C433FE for ; Mon, 13 Sep 2021 16:30:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 16CC460E76 for ; Mon, 13 Sep 2021 16:30:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237790AbhIMQb1 (ORCPT ); Mon, 13 Sep 2021 12:31:27 -0400 Received: from smtp-fw-6001.amazon.com ([52.95.48.154]:13905 "EHLO smtp-fw-6001.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237812AbhIMQbT (ORCPT ); Mon, 13 Sep 2021 12:31:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.de; i=@amazon.de; q=dns/txt; s=amazon201209; t=1631550605; x=1663086605; h=from:to:cc:date:message-id:references:in-reply-to: content-id:mime-version:content-transfer-encoding:subject; bh=hh6o535Ui+UUGykvJnjyFh4tcXN1dZTZLfx7HK2bTF8=; b=p7r66hn8RjsxyyRbwORENI3D2YGew1/BG5KzpEF7pZUvT1iA8psDFY6l HSHLEkMhPG9yX6hp+c8gH8Qj1WykcgymNqo9tVfa1u/5EGRLbv4R01+5O jA6/X61mTbUlVcM8MYSgJEukBhvq+iC1rC0EUYd0K0OoBKaITXcGqTOHl U=; X-IronPort-AV: E=Sophos;i="5.85,290,1624320000"; d="scan'208";a="141358017" Subject: Re: [PATCH v4 3/3] PCI: Add CRS handling to pci_dev_wait() Thread-Topic: [PATCH v4 3/3] PCI: Add CRS handling to pci_dev_wait() Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-2b-4ff6265a.us-west-2.amazon.com) ([10.43.8.6]) by smtp-border-fw-6001.iad6.amazon.com with ESMTP; 13 Sep 2021 16:29:55 +0000 Received: from EX13D12EUC001.ant.amazon.com (pdx1-ws-svc-p6-lb9-vlan3.pdx.amazon.com [10.236.137.198]) by email-inbound-relay-2b-4ff6265a.us-west-2.amazon.com (Postfix) with ESMTPS id B54CBA06AA; Mon, 13 Sep 2021 16:29:53 +0000 (UTC) Received: from EX13D04EUB003.ant.amazon.com (10.43.166.235) by EX13D12EUC001.ant.amazon.com (10.43.164.45) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Mon, 13 Sep 2021 16:29:51 +0000 Received: from EX13D04EUB003.ant.amazon.com ([10.43.166.235]) by EX13D04EUB003.ant.amazon.com ([10.43.166.235]) with mapi id 15.00.1497.023; Mon, 13 Sep 2021 16:29:51 +0000 From: "Spassov, Stanislav" To: "helgaas@kernel.org" CC: "corbet@lwn.net" , "alex.williamson@redhat.com" , "ashok.raj@intel.com" , "okaya@kernel.org" , "tglx@linutronix.de" , "akpm@linux-foundation.org" , =?utf-8?B?U2Now7ZuaGVyciwgSmFuIEgu?= , "rajatja@google.com" , "linux-pci@vger.kernel.org" , "bhelgaas@google.com" Thread-Index: AQHV9KTPukJAMq/z+UWtD4VToexxlKuiQk6AgANNjQA= Date: Mon, 13 Sep 2021 16:29:51 +0000 Message-ID: <44cac41a02d0fd104b171e9a87b4699197224de4.camel@amazon.de> References: <20210911140329.GA1202813@bjorn-Precision-5520> In-Reply-To: <20210911140329.GA1202813@bjorn-Precision-5520> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.43.164.211] Content-Type: text/plain; charset="utf-8" Content-ID: <8613AD642DD1B04ABDBC700733EB94A0@amazon.com> MIME-Version: 1.0 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org T24gU2F0LCAyMDIxLTA5LTExIGF0IDA5OjAzIC0wNTAwLCBCam9ybiBIZWxnYWFzIHdyb3RlOg0K DQo+IEkgdGhpbmsgdGhlIFJvb3QgQ29tcGxleCBtYXkgZXZlbnR1YWxseSBjb21wbGV0ZSB0aGUg dHJhbnNhY3Rpb24gYXMNCj4gZmFpbGVkICpyZWdhcmRsZXNzKiBvZiB3aGV0aGVyIENSUyBTViBp cyBlbmFibGVkLiAgVGhpcyBpcyB1bmNsZWFyIGluDQo+IFBDSWUgcjUuMCwgc2VjIDIuMy4yLCBi ZWNhdXNlIHRoZSB0ZXh0IGZvcm1hdHRpbmcgd2FzIGJyb2tlbiBiZXR3ZWVuDQo+IHI0LjAgYW5k IHI1LjAuICBbLi4uXQ0KPg0KPiAgIEEgUm9vdCBDb21wbGV4IGltcGxlbWVudGF0aW9uIG1heSBj aG9vc2UgdG8gbGltaXQgdGhlIG51bWJlciBvZg0KPiAgIENvbmZpZ3VyYXRpb24gUmVxdWVzdC9D UlMgQ29tcGxldGlvbiBTdGF0dXMgbG9vcHMgYmVmb3JlIGRldGVybWluaW5nDQo+ICAgdGhhdCBz b21ldGhpbmcgaXMgd3Jvbmcgd2l0aCB0aGUgdGFyZ2V0IG9mIHRoZSBSZXF1ZXN0IGFuZCB0YWtp bmcNCj4gICBhcHByb3ByaWF0ZSBhY3Rpb24sIGUuZy4sIGNvbXBsZXRlIHRoZSBSZXF1ZXN0IHRv IHRoZSBob3N0IGFzIGENCj4gICBmYWlsZWQgdHJhbnNhY3Rpb24uDQoNCkkgY2FuIHByb3ZpZGUg YSBiaXQgbW9yZSBiYWNrZ3JvdW5kOg0KDQpUaGUgaXNzdWUgdGhhdCBwcm9tcHRlZCBtZSB0byBp bXBsZW1lbnQgdGhpcyBwYXRjaCBpbnZvbHZlZCBhIGRldmljZSB0aGF0DQp1c2VkIENSUyBDb21w bGV0aW9ucyB0byBzaWduYWwgcG9zdC1yZXNldCAobm9uLSlyZWFkaW5lc3MuIEluIHNvbWUgY2Fz ZXMsDQp0aGUgZGV2aWNlIHdvdWxkIGdldCBzdHVjayBhbmQgY29udGludWUgaXNzdWluZyBDUlMg Q29tcGxldGlvbnMgZm9yIGFsbA0KcmVxdWVzdHMgaW5kZWZpbml0ZWx5Lg0KDQpUaGUgZGV2aWNl IHdhcyBhdHRhY2hlZCBkaXJlY3RseSB0byBhIFJvb3QgUG9ydCBvbiBhIHNlcnZlci1ncmFkZSBJ bnRlbCBDUFUsDQphbmQgQ1JTIFNWIHdhcyBlbmFibGVkIG9uIHRoYXQgUm9vdCBQb3J0LiBUaGUg b3JpZ2luYWwgcGNpX2Rldl93YWl0KCkNCmltcGxlbWVudGF0aW9uLCBieSB2aXJ0dWUgb2YgcG9s bGluZyB0aGUgQ29tbWFuZCByZWdpc3RlciByYXRoZXIgdGhhbiB0aGUNClZlbmRvciBJRCwgd291 bGQgYWx3YXlzIGNhdXNlIGEgVE9SIHRpbWVvdXQgYW5kIGFzc29jaWF0ZWQgaG9zdCBjcmFzaC4N Cg0KSSBsYXRlciB1bmRlcnN0b29kIHRoZSBzcGVjaWZpYyBDUFUgZGlkIGhhdmUgYSBwcm9wcmll dGFyeSByZWdpc3RlciBmb3INCiJsaW1pdGluZyB0aGUgbnVtYmVyIG9mIGxvb3BzIiB0aGF0IHRo ZSBQQ0llIHNwZWMgdGFsa3MgYWJvdXQsIGFuZCBpbmRlZWQNCnRoYXQgcmVnaXN0ZXIgd2FzIHNl dCB0byAibm8gbGltaXQiLiBDb3VwbGVkIHdpdGggdGhlIHN0dWNrIGRldmljZSwgdGhlc2UNCmlu ZGVmaW5pdGUgcmV0cmllcyBldmVudHVhbGx5IHRyaWdnZXJlZCBUT1IgdGltZW91dC4NCg0KR3Jh bnRlZCwgdGhlcmUgYXJlIHN1cmVseSBSb290IENvbXBsZXhlcyB0aGF0IGJlaGF2ZSBkaWZmZXJl bnRseSwgc2luY2UgdGhlDQpQQ0llIHNwZWMgbGVhdmVzIHRoaXMgdXAgdG8gdGhlIGltcGxlbWVu dGF0aW9uLiBTdGlsbCwgdGhpcyBwYXRjaCBpbmNyZWFzZXMNCnJvYnVzdG5lc3MgYnkgcG9sbGlu ZyB0aGUgc2FmZXIgVmVuZG9yIElEIHJlZ2lzdGVyLCB3aGljaCBpcyBzYWZlciBhdCBsZWFzdA0K aW4gc29tZSBzaXR1YXRpb25zLCBhbmQgbm90IGFueSBsZXNzIHNhZmUgZ2VuZXJhbGx5LiBIb3dl dmVyLCBpdCBpcyBub3QgYQ0Kc2ltcGxlIG1hdHRlciBvZiBzd2l0Y2hpbmcgd2hpY2ggcmVnaXN0 ZXIgaXMgcG9sbGVkIGR1ZSB0byB0aGUgU1ItSU9WDQpjb25zaWRlcmF0aW9ucyB0aGF0IHJlcXVp cmUgYSBmYWxsYmFjayB0byBDb21tYW5kLg0KCgoKQW1hem9uIERldmVsb3BtZW50IENlbnRlciBH ZXJtYW55IEdtYkgKS3JhdXNlbnN0ci4gMzgKMTAxMTcgQmVybGluCkdlc2NoYWVmdHNmdWVocnVu ZzogQ2hyaXN0aWFuIFNjaGxhZWdlciwgSm9uYXRoYW4gV2Vpc3MKRWluZ2V0cmFnZW4gYW0gQW10 c2dlcmljaHQgQ2hhcmxvdHRlbmJ1cmcgdW50ZXIgSFJCIDE0OTE3MyBCClNpdHo6IEJlcmxpbgpV c3QtSUQ6IERFIDI4OSAyMzcgODc5CgoK