Re: [PATCH v7 02/12] PCI: liveupdate: Track outgoing preserved PCI devices
Bjorn Helgaas <[email protected]> Thu, 23 Jul 2026 17:29:47 -0500
| Newsgroups | org.infradead.lists.kexec,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pci,org.kvack.linux-mm |
|---|---|
| Message-ID | <20260723222947.GA868047@bhelgaas> |
On Fri, Jul 10, 2026 at 09:26:05PM +0000, David Matlack wrote: > 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. > > 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). > > This tracking ensures the PCI core is fully aware of which devices may > need special handling during shutdown and kexec, and so that it can be > handed off to the next kernel. I guess the antecedent of "it" is a device? Maybe s/it/they/? Reviewed-by: Bjorn Helgaas <[email protected]> > +static void pci_liveupdate_unpreserve_device(struct pci_flb_outgoing *outgoing, struct pci_dev *dev) Wrap parameter list to fit in 80 columns.