Re: [PATCH v5 11/23] alpha/PCI: Add security_locked_down() check to pci_mmap_resource()

Krzysztof Wilczyński
2026-04-21T19:50:44Z

Hello,

> @@ -71,7 +72,11 @@ static int pci_mmap_resource(struct kobject *kobj,
> struct resource *res = attr->private;
> enum pci_mmap_state mmap_type;
> struct pci_bus_region bar;
> - int i;
> + int i, ret;
> +
> + ret = security_locked_down(LOCKDOWN_PCI_ACCESS);
> + if (ret)
> + return ret;

There is feedback from Sashiko about this:

https://sashiko.dev/#/patchset/20260416180107.777065-1-kwilczynski%40kernel.org?part=11

Might be something to look into later. Out of scope for this series.

Thank you!

Krzysztof