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 shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 18EF4C021B2 for ; Tue, 25 Feb 2025 20:38:56 +0000 (UTC) Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.97.1) (envelope-from ) id 1tn1hU-000000008LG-06tO; Tue, 25 Feb 2025 15:38:44 -0500 Received: from tor.source.kernel.org ([2600:3c04::f03c:95ff:fe5e:7468]) by shelob.surriel.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.97.1) (envelope-from ) id 1tn1hS-000000008Kz-0sbS for kernelnewbies@kernelnewbies.org; Tue, 25 Feb 2025 15:38:42 -0500 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 08786611C4; Tue, 25 Feb 2025 20:38:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8051FC4CEDD; Tue, 25 Feb 2025 20:38:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740515900; bh=J2rkB2PHUhOcdIxRiQMlCkNw1+TaIn4gTsxuIvAhsoo=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=GGrtdVthoxLVMlEI/fF8VwHYL/Yw7TMYgSCbDxAM7dUxLvnktgJFAcBNpBxvOZZ/M bIN9kq4blyIwTx+m3XVuXnGOh3iMLQ5IkK+eRCNVL4J8OzpzHnDzywLlyWYKZAj+R8 zvcP75LCQUidbJaQ0wvtMu1m1KIMalzVJhmHhLP86DyoMpQBwlidgtTPjBbWXT0tFG ivY846gbSAMcjYa9OuBLh3DDZ0/yX/XM6Xx8s5IvVWidW1yL3t/7CSB1hhWPep73+x JO/N/J6XjENKEgwNDFm18UNX2mzY6Ylo2cPOcJAb3Luo+O/QIXqqki64UDBINWUGoN hU6tkRHgi5qMQ== Date: Tue, 25 Feb 2025 14:38:18 -0600 From: Bjorn Helgaas To: Naveen Kumar P Subject: Re: PCI: hotplug_event: PCIe PLDA Device BAR Reset Message-ID: <20250225203818.GA516645@bhelgaas> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Cc: linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, kernelnewbies X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kernelnewbies-bounces@kernelnewbies.org T24gVHVlLCBGZWIgMjUsIDIwMjUgYXQgMDY6NDY6MDJQTSArMDUzMCwgTmF2ZWVuIEt1bWFyIFAg d3JvdGU6Cj4gT24gVHVlLCBGZWIgMjUsIDIwMjUgYXQgMToyNOKAr0FNIEJqb3JuIEhlbGdhYXMg PGhlbGdhYXNAa2VybmVsLm9yZz4gd3JvdGU6Cj4gPiBPbiBUdWUsIEZlYiAyNSwgMjAyNSBhdCAx MjoyOTowMEFNICswNTMwLCBOYXZlZW4gS3VtYXIgUCB3cm90ZToKPiA+ID4gT24gTW9uLCBGZWIg MjQsIDIwMjUgYXQgMTE6MDPigK9QTSBCam9ybiBIZWxnYWFzIDxoZWxnYWFzQGtlcm5lbC5vcmc+ IHdyb3RlOgo+ID4gPiA+IE9uIE1vbiwgRmViIDI0LCAyMDI1IGF0IDA1OjQ1OjM1UE0gKzA1MzAs IE5hdmVlbiBLdW1hciBQIHdyb3RlOgo+ID4gPiA+ID4gT24gV2VkLCBGZWIgMTksIDIwMjUgYXQg MTA6MzbigK9QTSBCam9ybiBIZWxnYWFzIDxoZWxnYWFzQGtlcm5lbC5vcmc+IHdyb3RlOgo+ID4g PiA+ID4gPiBPbiBXZWQsIEZlYiAxOSwgMjAyNSBhdCAwNTo1Mjo0N1BNICswNTMwLCBOYXZlZW4g S3VtYXIgUCB3cm90ZToKPiA+ID4gPiA+ID4gPiBIaSBhbGwsCj4gPiA+ID4gPiA+ID4KPiA+ID4g PiA+ID4gPiBJIGFtIHdyaXRpbmcgdG8gc2VlayBhc3Npc3RhbmNlIHdpdGggYW4gaXNzdWUgd2Ug YXJlIGV4cGVyaWVuY2luZyB3aXRoCj4gPiA+ID4gPiA+ID4gYSBQQ0llIGRldmljZSAoUExEQSBE ZXZpY2UgNTU1NSkgY29ubmVjdGVkIHRocm91Z2ggUENJIEV4cHJlc3MgUm9vdAo+ID4gPiA+ID4g PiA+IFBvcnQgMSB0byB0aGUgaG9zdCBicmlkZ2UuCj4gPiA+ID4gPiA+ID4KPiA+ID4gPiA+ID4g PiBXZSBoYXZlIG9ic2VydmVkIHRoYXQgYWZ0ZXIgYm9vdGluZyB0aGUgc3lzdGVtLCB0aGUgQmFz ZSBBZGRyZXNzCj4gPiA+ID4gPiA+ID4gUmVnaXN0ZXIgKEJBUjApIG1lbW9yeSBvZiB0aGlzIGRl dmljZSBnZXRzIHJlc2V0IHRvIDB4MCBhZnRlcgo+ID4gPiA+ID4gPiA+IGFwcHJveGltYXRlbHkg b25lIGhvdXIgb3IgbW9yZSAodGhlIHRpbWluZyBpcyBpbmNvbnNpc3RlbnQpLiBUaGlzIHdhcwo+ ID4gPiA+ID4gPiA+IHZlcmlmaWVkIHVzaW5nIHRoZSBsc3BjaSBvdXRwdXQgYW5kIHRoZSBzZXRw Y2kgLXMgMDE6MDAuMAo+ID4gPiA+ID4gPiA+IEJBU0VfQUREUkVTU18wIGNvbW1hbmQuCj4gPgo+ ID4gPiAuLi4KPiA+ID4gSSBib290ZWQgd2l0aCB0aGUgcGNpZV9hc3BtPW9mZiBrZXJuZWwgcGFy YW1ldGVyLCB3aGljaCBtZWFucyB0aGF0Cj4gPiA+IFBDSWUgQWN0aXZlIFN0YXRlIFBvd2VyIE1h bmFnZW1lbnQgKEFTUE0pIGlzIGRpc2FibGVkLiBHaXZlbiB0aGlzCj4gPiA+IGNvbnRleHQsIHNo b3VsZCBJIGNvbnNpZGVyIHJlbW92aW5nIHRoaXMgc2V0dGluZyB0byBzZWUgaWYgaXQgYWZmZWN0 cwo+ID4gPiB0aGUgb2NjdXJyZW5jZSBvZiB0aGUgQnVzIENoZWNrIG5vdGlmaWNhdGlvbnMgYW5k IHRoZSBCQVIwIHJlc2V0Cj4gPiA+IGlzc3VlPwo+ID4KPiA+IERvZXNuJ3Qgc2VlbSBsaWtlbHkg dG8gYmUgcmVsYXRlZC4gIE9uY2UgY29uZmlndXJlZCwgQVNQTSBvcGVyYXRlcwo+ID4gd2l0aG91 dCBhbnkgc29mdHdhcmUgaW50ZXJ2ZW50aW9uLiAgQnV0IG5vdGUgdGhhdCAicGNpZV9hc3BtPW9m ZiIKPiA+IG1lYW5zIHRoZSBrZXJuZWwgZG9lc24ndCB0b3VjaCBBU1BNIGNvbmZpZ3VyYXRpb24g YXQgYWxsLCBhbmQgYW55Cj4gPiBjb25maWd1cmF0aW9uIGRvbmUgYnkgZmlybXdhcmUgcmVtYWlu cyBpbiBlZmZlY3QuCj4gPgo+ID4gWW91IGNhbiB0ZWxsIHdoZXRoZXIgQVNQTSBoYXMgYmVlbiBl bmFibGVkIGJ5IGZpcm13YXJlIHdpdGggInN1ZG8KPiA+IGxzcGNpIC12diIgYmVmb3JlIHRoZSBw cm9ibGVtIG9jY3Vycy4KPiA+Cj4gPiA+ID4gPiBEdXJpbmcgdGhlIEFDUElfTk9USUZZX0JVU19D SEVDSyBldmVudCwgdGhlIGxzcGNpIG91dHB1dCBpbml0aWFsbHkKPiA+ID4gPiA+IHNob3dlZCBh bGwgRkYncywgYW5kIHRoZW4gdGhlIG5leHQgcnVuIG9mIHRoZSBzYW1lIGNvbW1hbmQgc2hvd2Vk Cj4gPiA+ID4gPiBCQVNFX0FERFJFU1NfMCByZXNldCB0byB6ZXJvOgo+ID4gPiA+ID4gJCBzdWRv IGxzcGNpIC14eHggLXMgMDE6MDAuMCB8IGdyZXAgIjEwOiIKPiA+ID4gPiA+IDEwOiBmZiBmZiBm ZiBmZiBmZiBmZiBmZiBmZiBmZiBmZiBmZiBmZiBmZiBmZiBmZiBmZgo+ID4gPiA+Cj4gPiA+ID4g TG9va3MgbGlrZSB0aGUgZGV2aWNlIGlzbid0IHJlc3BvbmRpbmcgYXQgYWxsIGhlcmUuICBDb3Vs ZCBoYXBwZW4gaWYKPiA+ID4gPiB0aGUgZGV2aWNlIGlzIHJlc2V0IG9yIHBvd2VyZWQgZG93bi4K PiA+ID4KPiA+ID4gRnJvbSB0aGUga2VybmVsIGRyaXZlciBvciB1c2VyIHNwYWNlIHRvb2xzLCBp cyBpdCBwb3NzaWJsZSB0bwo+ID4gPiBkZXRlcm1pbmUgd2hldGhlciB0aGUgZGV2aWNlIGhhcyBi ZWVuIHJlc2V0IG9yIHBvd2VyZWQgZG93bj8gIEFyZQo+ID4gPiB0aGVyZSBhbnkgcG93ZXIgbWFu YWdlbWVudCBzZXR0aW5ncyBvciBjb25maWd1cmF0aW9ucyB0aGF0IGNvdWxkIGJlCj4gPiA+IGNh dXNpbmcgdGhlIGRldmljZSB0byByZXNldCBvciBwb3dlciBkb3duIHVuZXhwZWN0ZWRseT8KPiA+ Cj4gPiBOb3QgcmVhbGx5LiAgQnkgInBvd2VyZWQgZG93biIsIEkgbWVhbnQgRDNjb2xkLCB3aGVy ZSB0aGUgbWFpbiBwb3dlcgo+ID4gaXMgcmVtb3ZlZC4gIENvbmZpZyBzcGFjZSBpcyByZWFkYWJs ZSBpbiBhbGwgb3RoZXIgcG93ZXIgc3RhdGVzLgo+ID4KPiA+ID4gPiBXaGF0IGlzIHRoaXMgZGV2 aWNlPyAgV2hhdCBkcml2ZXIgaXMgYm91bmQgdG8gaXQ/ICBJIGRvbid0IHNlZQo+ID4gPiA+IGFu eXRoaW5nIGluIGRtZXNnIHRoYXQgaWRlbnRpZmllcyBhIGRyaXZlci4KPiA+ID4KPiA+ID4gVGhl IFBDSWUgZGV2aWNlIGluIHF1ZXN0aW9uIGlzIGEgWGlsaW54IEZQR0EgZW5kcG9pbnQsIHdoaWNo IGlzCj4gPiA+IGZsYXNoZWQgd2l0aCBSVEwgY29kZSB0byBleHBvc2Ugc2V2ZXJhbCBob3N0IGlu dGVyZmFjZXMgdG8gdGhlIHN5c3RlbQo+ID4gPiB2aWEgdGhlIFBDSWUgbGluay4KPiA+ID4KPiA+ ID4gV2UgaGF2ZSBhbiBvdXQtb2YtdHJlZSBkcml2ZXIgZm9yIHRoaXMgZGV2aWNlLCBidXQgdG8g ZWxpbWluYXRlIHRoZQo+ID4gPiBkcml2ZXIncyByb2xlIGluIHRoaXMgaXNzdWUsIEkgcmVuYW1l ZCB0aGUgZHJpdmVyIHRvIHByZXZlbnQgaXQgZnJvbQo+ID4gPiBsb2FkaW5nIGF1dG9tYXRpY2Fs bHkgYWZ0ZXIgcmVib290aW5nIHRoZSBtYWNoaW5lLiBEZXNwaXRlIG5vdCB1c2luZwo+ID4gPiB0 aGUgZHJpdmVyLCB0aGUgaXNzdWUgc3RpbGwgb2NjdXJyZWQuCj4gPgo+ID4gT2gsIHJpZ2h0LCBJ IGZvcmdvdCB0aGF0IHlvdSBtZW50aW9uZWQgdGhpcyBiZWZvcmUuCj4gPgo+ID4gPiA+IFlvdSdy ZSBzZWVpbmcgdGhlIHByb2JsZW0gb24gdjUuNCAoTm92IDIwMTkpLCB3aGljaCBpcyBtdWNoIG5l d2VyIHRoYW4KPiA+ID4gPiB2NC40IChKYW4gMjAxNikuICBCdXQgdjUuNCBpcyBzdGlsbCByZWFs bHkgdG9vIG9sZCB0byBzcGVuZCBhIGxvdCBvZgo+ID4gPiA+IHRpbWUgb24gdW5sZXNzIHRoZSBw cm9ibGVtIHN0aWxsIGhhcHBlbnMgb24gYSBjdXJyZW50IGtlcm5lbC4KPiA+Cj4gPiBUaGlzIHBh cnQgaXMgaW1wb3J0YW50LiAgV2UgZG9uJ3Qgd2FudCB0byBzcGVuZCBhIGxvdCBvZiB0aW1lCj4g PiBkZWJ1Z2dpbmcgYW4gaXNzdWUgdGhhdCBtYXkgaGF2ZSBhbHJlYWR5IGJlZW4gZml4ZWQgdXBz dHJlYW0uCj4KPiBTdXJlLCBJIHN0YXJ0ZWQgYnVpbGRpbmcgdGhlIDYuMTMga2VybmVsIGFuZCB3 aWxsIHBvc3QgbW9yZQo+IGluZm9ybWF0aW9uIGlmIEkgbm90aWNlIHRoZSBpc3N1ZSBvbiB0aGUg Ni4xMyBrZXJuZWwuCj4gCj4gUmVnYXJkaW5nIHRoZSBDb21tQ2xrLSAoQ29tbW9uIENsb2NrIENv bmZpZ3VyYXRpb24pIGJpdCwgaXQgaW5kaWNhdGVzCj4gd2hldGhlciB0aGUgY29tbW9uIGNsb2Nr IGNvbmZpZ3VyYXRpb24gaXMgZW5hYmxlZCBvciBkaXNhYmxlZC4gV2hlbiBpdAo+IGlzIHNldCB0 byBDb21tQ2xrLSwgaXQgbWVhbnMgdGhhdCB0aGUgY29tbW9uIGNsb2NrIGNvbmZpZ3VyYXRpb24g aXMKPiBkaXNhYmxlZC4KPiAKPiBMbmtDdGw6IEFTUE0gRGlzYWJsZWQ7IFJDQiA2NCBieXRlcyBE aXNhYmxlZC0gQ29tbUNsay0KPiAgICAgICAgIEV4dFN5bmNoLSBDbG9ja1BNLSBBdXRXaWREaXMt IEJXSW50LSBBdXRCV0ludC0KPiAKPiBGb3IgbXkgZGV2aWNlLCBJIG5vdGljZWQgdGhhdCB0aGUg Y29tbW9uIGNsb2NrIGNvbmZpZ3VyYXRpb24gaXMKPiBkaXNhYmxlZC4gQ291bGQgdGhpcyBiZSBj YXVzaW5nIHRoZSBCQVIgcmVzZXQgaXNzdWU/CgpOb3QgdG8gbXkga25vd2xlZGdlLgoKPiBIb3cg aXMgdGhlIENvbW1DbGsgYml0IGRldGVybWluZWQodG8gc2V0IG9yIGNsZWFyKT8gYW5kIGlzIGl0 IG9rYXkgdG8KPiBlbmFibGUgdGhpcyBiaXQgYWZ0ZXIgYm9vdGluZyB0aGUga2VybmVsPwoKSXQg aXMgc29tZXdoZXJlIGluIGRyaXZlcnMvcGNpL3BjaWUvYXNwbS5jLCBpLmUuLApodHRwczovL2dp dC5rZXJuZWwub3JnL3B1Yi9zY20vbGludXgva2VybmVsL2dpdC90b3J2YWxkcy9saW51eC5naXQv dHJlZS9kcml2ZXJzL3BjaS9wY2llL2FzcG0uYz9pZD12Ni4xMyNuMzgzCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpLZXJuZWxuZXdiaWVzIG1haWxpbmcg bGlzdApLZXJuZWxuZXdiaWVzQGtlcm5lbG5ld2JpZXMub3JnCmh0dHBzOi8vbGlzdHMua2VybmVs bmV3Ymllcy5vcmcvbWFpbG1hbi9saXN0aW5mby9rZXJuZWxuZXdiaWVzCg==