Re: [PATCH] arm64/kdump: pass dm-crypt keys to kdump kernel

[Krzysztof Kozlowski]

On Fri, Dec 26, 2025 at 10:11:15PM +0800, Coiby Xu wrote:
> Based on the CONFIG_CRASH_DM_CRYPT feature, this patch adds

Don't use "this patch". See submitting patches.

> LUKS-encrypted device dump target support to ARM64 by addressing two
> challenges [1],


...

> +static void __init early_init_dt_check_for_dmcryptkeys(unsigned long node)
> +{
> +	const __be32 *prop;
> +
> +	if (!IS_ENABLED(CONFIG_CRASH_DM_CRYPT))
> +		return;
> +
> +	pr_debug("Looking for dmcryptkeys property... ");
> +
> +	prop = of_get_flat_dt_prop(node, "linux,dmcryptkeys", NULL);

Where did you document the ABI?


Best regards,
Krzysztof