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 2D43ACC6B19 for ; Tue, 13 Oct 2026 16:33:26 +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=ZnMQkGjZvfV0sw/bVJGwXFGK/r+xjFxmRuUXfW6+tAM=; b=iqKF4bZSFDkohNn0cQ1PwBw8mN S0XBpm3dYXiNszR24QKUW2/bl7TcrXrULNJI/238gcFpUoU86Wrpi5fGUJlCb7ZfL7tWnI79vVxfw 19nQ8FWzwEuJHpJ+ylLLi16AEIy1SZ0Pzrr4EJRcRhm1rVOuoeObgKjk566+0SI/jInQ7ZeVGV+OI dXJxVv5qMhJoe6UxEcTpwS01WCLd2zUK+rovI2HPrTtr7NDKwP/qAhiOKQS9TejKhZ3AB8oqK89z3 pW7D6xkA8HrTVk+vkmWt6xB4PcE2TD3jAZm1zGOAJ0L08vwXPphn6MEV0rk7xiV0jXh7XKA2j6PE9 mgHtb2Zw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xGfRM-0000000DWph-40Do; Tue, 13 Oct 2026 16:33:24 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xGfRM-0000000DWp5-1wag for kexec@lists.infradead.org; Tue, 13 Oct 2026 16:33:24 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id E10D441723; Tue, 13 Oct 2026 16:33:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AA3151F000FF; Tue, 13 Oct 2026 16:33:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791909203; bh=ZnMQkGjZvfV0sw/bVJGwXFGK/r+xjFxmRuUXfW6+tAM=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=YsmUbLBsRPAZZ1bjbnWYjJun435h9Gyfu+jjvHrzQb+oPAFTFjh8xyY09somAuhEp IMn+2noPgS89RKNuAOCvc6D6yfTt8qHT7hzs4qAc9Rx5qn3GqhbPfIf0HBeOfN+m4y dc0Dn3pktk0QZrcCPfzKh6yoA8Ur1wrohvZSHRp/I3FY2gmypv2iHdCzZ/7ysziymD cBzKq8HRuJLQDSsVJz0M0fk/zNX7LOE43Kqc4VzLV7vZfgs27kvrb3g2WeDXYU97aE /ejwDhwytVItw06JuSsJmh6jWq1Il8h7My3qbA/R/yfJo6ZDkNBd20ml5uv01bTso2 umow7x/9XFsmA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v10 01/13] PCI: liveupdate: Set up FLB handler for the PCI core 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: <20261013162529.1928093-2-dmatlack@google.com> References: <20261013162529.1928093-1-dmatlack@google.com> <20261013162529.1928093-2-dmatlack@google.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 13 Oct 2026 16:33:20 +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 > Set up a File-Lifecycle-Bound (FLB) handler so that the PCI core can > preserve its own state across a Live Update kexec. >=20 > Preserving a PCI device across kexec requires preserving two independent > sets of state: >=20 > - Driver state, e.g. everything vfio-pci needs so that userspace can > keep using the device in the new kernel. The driver preserves this > itself and the PCI core is not involved. >=20 > - PCI core state, e.g. which devices are preserved, so that the new > kernel knows not to disturb them while they are still running and > doing DMA. That is what this commit adds, serialized into struct > pci_ser. >=20 > [ ... ] > key when looking up incoming preserved devices. >=20 > Reviewed-by: Pranjal Shrivastava > 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=3D1