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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 6DD36FF8867 for ; Mon, 27 Apr 2026 21:05:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Owner; bh=eR7WRDEIu0A3ltOUaleJIJZmRlJgFK+aFlYE1BqZCLk=; b=BDOjrAXoZHz6XU RyjGJcQhumNOqVwUsDfIFWEk2FqEJGYyYWDhZlYhwCWbMnXL5uFJGo96RVKNCueR7O6BJmJBalZo6 XSqIT8LFUEmGT00DpKD0pIbsUUfbgEfMwp1WdhHjFw9uissuHgoMaRiP1PbMRvTNL+BCCxqcnqkpm 0MmrU/U3AK7vXpXWeKB5uf25yC824jiUKApz0hcLsFg7QaxssD2mTX+jALh20RBJn6pbBZnfbX4iw 7fUXf3BrkpPVyVWpBmF8ShOOeQ5wS4/YC4oREaWafp2u9UvYeQ+BzkLWPlhvAncEXuoAbekMMgRgZ xNOc2dh6aYZGu9pQWIsQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wHT93-000000009q2-36Sf; Mon, 27 Apr 2026 21:05:33 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wHT92-000000009pq-2Dba for kexec@lists.infradead.org; Mon, 27 Apr 2026 21:05:32 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 97C1360139; Mon, 27 Apr 2026 21:05:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 222BEC2BCB5; Mon, 27 Apr 2026 21:05:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777323931; bh=BKvU8n8CmmLGOo/iWjExHY4UTAHtpbclc/VETFqsn3Q=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=f2Yasvoienx7V+cC4PCEeVthUNsSP6+lU5/iKedPkKipBTK3W9hQlKQOizBDpjzWt tmNepResRGa9Robr+yPwMgrRAe7aQXzQ2jhIQgRJwvJEOo5f7UtB42dPaDXfDIIcUX afIekttok4tFW/iR+rCngQveUvcIZiUoA3WIpOc8oBp48Bn3VRBy58KHuIkjYwkEFc ftQaqsh5nTtMk8ievxIuK556Wzq+jWivXo+c6aFEfpXiH+ww+Ds4y1wq8ksZKb1Iiu FW8X5Rtq0CoA/Jo+Rum76rkryfic5YtzKPIShtN7H0Nv1vappKhtvXjZXcsJO2PIOL MZ+Bgj4uYDiiQ== Date: Mon, 27 Apr 2026 16:05:29 -0500 From: Bjorn Helgaas To: David Matlack Cc: iommu@lists.linux.dev, kexec@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-pci@vger.kernel.org, Adithya Jayachandran , Alexander Graf , Alex Williamson , Bjorn Helgaas , Chris Li , David Rientjes , Jacob Pan , Jason Gunthorpe , Joerg Roedel , Jonathan Corbet , Josh Hilke , Leon Romanovsky , Lukas Wunner , Mike Rapoport , Parav Pandit , Pasha Tatashin , Pranjal Shrivastava , Pratyush Yadav , Robin Murphy , Saeed Mahameed , Samiullah Khawaja , Shuah Khan , Will Deacon , William Tu , Yi Liu Subject: Re: [PATCH v4 01/11] PCI: liveupdate: Set up FLB handler for the PCI core Message-ID: <20260427210529.GA186381@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260423212316.3431746-2-dmatlack@google.com> X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On Thu, Apr 23, 2026 at 09:23:05PM +0000, David Matlack wrote: > Set up a File-Lifecycle-Bound (FLB) handler for the PCI core to enable > it to participate in the preservation of PCI devices across Live Update. > Essentially, this commit enables the PCI core to allocate a struct > (struct pci_ser) and preserve it across a Live Update whenever at least > one device is preserved. > > Preserving PCI devices across Live Update is built on top of the Live > Update Orchestrator's (LUO) support for file preservation. Drivers are > expected to expose a file to userspace to represent a single PCI device > and support preservation of that file. This is itended primarily to > support preservation of PCI devices bound to VFIO drivers. s/itended/intended/ > +++ b/MAINTAINERS > @@ -20555,6 +20555,18 @@ L: linux-pci@vger.kernel.org > S: Supported > F: Documentation/PCI/pci-error-recovery.rst > > +PCI LIVE UPDATE > +M: Bjorn Helgaas I don't think I want to be the primary contact here. I'll see patches regardless since they're on linux-pci. > +M: David Matlack > +L: linux-pci@vger.kernel.org > +S: Supported > +Q: https://patchwork.kernel.org/project/linux-pci/list/ > +B: https://bugzilla.kernel.org > +C: irc://irc.oftc.net/linux-pci > +T: git git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git > +F: drivers/pci/liveupdate.c > +F: include/linux/kho/abi/pci.h