Re: [PATCH v4 10/11] PCI: liveupdate: Do not disable bus mastering on preserved devices during kexec

Bjorn Helgaas
2026-04-27T21:08:02Z

On Thu, Apr 23, 2026 at 09:23:14PM +0000, David Matlack wrote:
> Do not disable bus mastering on outgoing preserved devices during
> pci_device_shutdown() for kexec.

> +++ b/drivers/pci/liveupdate.c
> @@ -132,6 +132,10 @@
> * * The PCI core inherits ARI Forwarding Enable on all bridges with downstream
> * preserved devices to ensure that all preserved devices on the bridge's
> * secondary bus are addressable after the Live Update.
> + *
> + * * The PCI core does not disable bus mastering on outoing preserved devices
> + * during kexec. This allows preserved devices to issue memory transactions

s/outoing/outgoing/