On Fri, 10 Jul 2026 21:26:14 +0000, David Matlack <[email protected]> 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 <[email protected]>

-- 
Pasha Tatashin <[email protected]>

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