Re: [PATCH v2] ARM: initialize jump labels before setup_machine_fdt()

Jason A. Donenfeld
2022-06-07T11:10:30Z

Hi Phil,

On Tue, Jun 07, 2022 at 12:04:13PM +0100, Phil Elwell wrote:
> A clean 5.15.45 boots cleanly, whereas a downstream kernel shows the static key
> warning (but it does go on to boot). The significant difference is that our
> defconfigs set CONFIG_RANDOM_TRUST_BOOTLOADER=y - defining that on top of
> multi_v7_defconfig demonstrates the issue on a clean 5.15.45. Conversely, not
> setting that option in a downstream kernel build avoids the warning

Ah, that makes sense. Note that I've got a patch out for changing that
defconfig as well to be Y, which means the CI will catch this sort of
thing in the future.