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

Coiby Xu coxu at redhat.com
Tue Dec 30 00:48:14 PST 2025


Hi Krzysztof,

Thanks for your prompt feedback!

On Sat, Dec 27, 2025 at 02:14:16PM +0100, Krzysztof Kozlowski wrote:
>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.

I'll use imperative mood in next version, thanks for the reminder!

>
>> 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?

Thanks for raising the concern! I'll send a PR to  
https://github.com/devicetree-org/dt-schema
and include the link in next version.

>
>
>Best regards,
>Krzysztof
>
>

-- 
Best regards,
Coiby




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