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 35EE9CC6B19 for ; Tue, 13 Oct 2026 16:41:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Date: Content-Transfer-Encoding:Content-Type:References:In-Reply-To:Cc:To:Subject: From:Message-ID:MIME-Version:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=T2nnygMGiS+OTPVQ1KV9X8esySyXmHnUBkUStAXevB0=; b=gp83zKAGMBRridVUIXELlPGs5f QFNUJHHduL6+B7CI4J/gZ0VldhOSRGGaKGGwlBWwVwdDd1WlkI/knCVeFEV/BJ68Ysg3fwYc+pQQZ gTAegPvTdOh7cKQ7Y8An1vRFna02xq+QRjrO9uVnU3ktdSofI68/UXjrABTky56oDKHvem26crDNx 4PkS7yl1gyOFaSCA8avW0BbQeoWrjiaEVrJ3ytBDiNvLEcXOEG8kV6b9MZ65H/sLO4+nWKbdHuH52 Jfq2GzB/EHWN+dLXbS/HAt4sPyZ913brn/zuB6tQT5+dziUk9MzqR/x36MMyP1RvntAmq4/vmlp92 npTV1Sbg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xGfYz-0000000DZPL-16Qf; Tue, 13 Oct 2026 16:41:17 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xGfYy-0000000DZOj-0Fq4 for kexec@lists.infradead.org; Tue, 13 Oct 2026 16:41:16 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id A71C5434F8; Tue, 13 Oct 2026 16:41:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 435531F000FF; Tue, 13 Oct 2026 16:41:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791909675; bh=T2nnygMGiS+OTPVQ1KV9X8esySyXmHnUBkUStAXevB0=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=GnHEuHMqUqdQ1JCsl2TlxtUExzLRFfPdASmc7EytQYxnTWNR738e3jZYeMr84qMi7 ogetP/Wl/nw7h8WVRsNd11PItvz807Cg7cjYu3oflf0Rbb7T0AlZyc1nLpXXylNCNZ C+KeevpAWQJuLv+oqWYeRfIWRVKq9/3TeQ7KbsEt9M7xsuWsBNm2ALgcy1TkGqI32Z By/NftrthbT1MYTl7gzRHHTxghXdktkhhYSboxXF+0ORcuDmwtxiWnfQhUA4VEkzAh cufqDVwIuMklPcemtZKYgQtEyum+P+MlIQkbgoYc9k3aPl7RNzpqxO2XeMDmJjpFeh lJRHaIj9Y5/HA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v10 02/13] PCI: liveupdate: Track outgoing preserved PCI devices To: "David Matlack" , kexec@lists.infradead.org, linux-pci@vger.kernel.org Cc: "Adithya Jayachandran" , "Alexander Graf" , "Alex Williamson" , "Bjorn Helgaas" , "Chris Li" , "David Rientjes" , "Jacob Pan" , "Jason Gunthorpe" , "Jonathan Corbet" , "Josh Hilke" , "Leon Romanovsky" , "Lukas Wunner" , "Mike Rapoport" , "Parav Pandit" , "Pasha Tatashin" , "Pranjal Shrivastava" , "Pratyush Yadav" , "Randy Dunlap" , "Saeed Mahameed" , "Samiullah Khawaja" , "Shuah Khan" , "Vipin Sharma" , "William Tu" , "Yi Liu" In-Reply-To: <20261013162529.1928093-3-dmatlack@google.com> References: <20261013162529.1928093-1-dmatlack@google.com> <20261013162529.1928093-3-dmatlack@google.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 13 Oct 2026 16:41:13 +0000 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: , Reply-To: sashiko-reviews@lists.linux.dev Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org > Add APIs to allow drivers to notify the PCI core of which devices are > being preserved across a Live Update for the next kernel, i.e. > "outgoing" devices. >=20 > Drivers must notify the PCI core when devices are preserved so that the > PCI core can update its FLB data (struct pci_ser) and track the list of > outgoing devices. pci_liveupdate_preserve() notifies the PCI core that a > device must be preserved across Live Update. pci_liveupdate_unpreserve() > reverses this (cancels the preservation of the device). >=20 > This tracking ensures the PCI core is fully aware of which devices may > need special handling during shutdown and kexec, and so the list of > preserved devices can be handed off to the next kernel. >=20 > For now, the API only supports preserving non-VF devices on a root bus > (not behind an PCI-to-PCI bridges). >=20 > Reviewed-by: Pranjal Shrivastava > Reviewed-by: Pasha Tatashin > Reviewed-by: Bjorn Helgaas > Reviewed-by: Samiullah Khawaja > Signed-off-by: David Matlack Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261013162529.1928= 093-1-dmatlack@google.com?part=3D2