[PATCH v7 11/12] PCI: liveupdate: Do not disable bus mastering on preserved devices during kexec

[Pasha Tatashin]

On Fri, 10 Jul 2026 21:26:14 +0000, David Matlack <dmatlack at google.com> wrote:
> Do not disable bus mastering on outgoing preserved devices during
> pci_device_shutdown() for kexec.
> 
> Preserved devices must be allowed to perform memory transactions during
> a Live Update to ensure continuous operation.  Clearing the bus
> mastering bit would prevent these devices from issuing any memory
> requests while the new kernel boots.
> 
> [...]

Reviewed-by: Pasha Tatashin <pasha.tatashin at soleen.com>

-- 
Pasha Tatashin <pasha.tatashin at soleen.com>