From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from raptorengineering.com (mail.raptorengineering.com [23.155.224.40]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0B09E182; Fri, 18 Jul 2025 00:05:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=23.155.224.40 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752797125; cv=none; b=MsicWiYhrEqPmTEyk40/ygqXjlU+dPE3dc9/9UIarLRhKsvszbFuMucbLtsosT6bvAfD7Pzn5EShDezj8+uuVrEu+nzGpWA8SdzgPjBwy2QUS5mwgmm3xzrGAu9iIJbLHpO+1t/3l7xhIE3MbT2QRTTm2OddJF6TJz/6oArwHRQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752797125; c=relaxed/simple; bh=BjITnCdBAzI0MQalAl38WFS1xnO9Ts5R2ceAbYlxbyg=; h=Date:From:To:Cc:Message-ID:In-Reply-To:References:Subject: MIME-Version:Content-Type; b=bR4sybLZHhYia1ioyVn5xj5VfkFVFAyOC4kgsAiGLttnMGmQgXk3t6ipucisp3nrBJoNDFThoAUNFggBwGpN422/U0e0PMWqvUPdvxCyNijpLUEFmZGwr4Q8ZiV3khj89hZwsq1iubxKtVqw07yCStmPlU7iHOoVLMv1DkDLYqQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=raptorengineering.com; spf=pass smtp.mailfrom=raptorengineering.com; dkim=pass (1024-bit key) header.d=raptorengineering.com header.i=@raptorengineering.com header.b=VjdYPlHm; arc=none smtp.client-ip=23.155.224.40 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=raptorengineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=raptorengineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=raptorengineering.com header.i=@raptorengineering.com header.b="VjdYPlHm" Received: from localhost (localhost [127.0.0.1]) by mail.rptsys.com (Postfix) with ESMTP id 02D168285589; Thu, 17 Jul 2025 19:05:16 -0500 (CDT) Received: from mail.rptsys.com ([127.0.0.1]) by localhost (vali.starlink.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id joaj3DPirEEm; Thu, 17 Jul 2025 19:05:12 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by mail.rptsys.com (Postfix) with ESMTP id 39E43828775B; Thu, 17 Jul 2025 19:05:12 -0500 (CDT) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.rptsys.com 39E43828775B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=raptorengineering.com; s=B8E824E6-0BE2-11E6-931D-288C65937AAD; t=1752797112; bh=HH/9mXt7gkyzrKXSj6txN9ECfNMdRVxJxuDvf9QCG70=; h=Date:From:To:Message-ID:MIME-Version; b=VjdYPlHmlBacwsUZm4AkIqdRIbHvyx+3JPKcvOjHoutc761D7ZA51jRKEcrqPLhE9 CsOlf/ZlO+CJCsH5X7vjU2K0Nsgoj9flw5in3flUi0hd2q9fsRgeGOzuR6VffvdEec uEyR39exZl4EO6NvYCZNE0yoSQlqG1JypmQkjYts= X-Virus-Scanned: amavisd-new at rptsys.com Received: from mail.rptsys.com ([127.0.0.1]) by localhost (vali.starlink.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 6FN37W4-erl3; Thu, 17 Jul 2025 19:05:11 -0500 (CDT) Received: from vali.starlink.edu (localhost [127.0.0.1]) by mail.rptsys.com (Postfix) with ESMTP id DC84D8285589; Thu, 17 Jul 2025 19:05:11 -0500 (CDT) Date: Thu, 17 Jul 2025 19:05:08 -0500 (CDT) From: Timothy Pearson To: Bjorn Helgaas Cc: Timothy Pearson , linuxppc-dev , linux-kernel , linux-pci , Madhavan Srinivasan , Michael Ellerman , christophe leroy , Naveen N Rao , Bjorn Helgaas , Shawn Anastasio Message-ID: <551742074.1370228.1752797108649.JavaMail.zimbra@raptorengineeringinc.com> In-Reply-To: <20250717232745.GA2662794@bhelgaas> References: <20250717232745.GA2662794@bhelgaas> Subject: Re: [PATCH v3 5/6] PCI: pnv_php: Fix surprise plug detection and recovery Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Mailer: Zimbra 8.5.0_GA_3042 (ZimbraWebClient - GC138 (Linux)/8.5.0_GA_3042) Thread-Topic: pnv_php: Fix surprise plug detection and recovery Thread-Index: SRr2FJcjkaGgIRkFlhO9QWQJ8V6vhw== ----- Original Message ----- > From: "Bjorn Helgaas" > To: "Timothy Pearson" > Cc: "linuxppc-dev" , "linux-kernel" , "linux-pci" > , "Madhavan Srinivasan" , "Michael Ellerman" , > "christophe leroy" , "Naveen N Rao" , "Bjorn Helgaas" > , "Shawn Anastasio" > Sent: Thursday, July 17, 2025 6:27:45 PM > Subject: Re: [PATCH v3 5/6] PCI: pnv_php: Fix surprise plug detection and recovery > On Tue, Jul 15, 2025 at 04:39:06PM -0500, Timothy Pearson wrote: >> The existing PowerNV hotplug code did not handle surprise plug events >> correctly, leading to a complete failure of the hotplug system after >> device removal and a required reboot to detect new devices. > >> +++ b/drivers/pci/hotplug/pnv_php.c >> @@ -4,12 +4,14 @@ >> * >> * Copyright Gavin Shan, IBM Corporation 2016. >> * Copyright (C) 2025 Raptor Engineering, LLC >> + * Copyright (C) 2025 Raptor Computing Systems, LLC > > Just to double-check that you want both copyright lines here? Yes, both entities ended up sponsoring this part of the work over time. Thank you for double checking!