On Wed, 25 Feb 2026 14:03:43 +0800 Coiby Xu <[email protected]> wrote: > CONFIG_CRASH_DM_CRYPT has been introduced to support LUKS-encrypted > device dump target by addressing two challenges [1], > - Kdump kernel may not be able to decrypt the LUKS partition. For some > machines, a system administrator may not have a chance to enter the > password to decrypt the device in kdump initramfs after the 1st kernel > crashes > > - LUKS2 by default use the memory-hard Argon2 key derivation function > which is quite memory-consuming compared to the limited memory reserved > for kdump. > > To also enable this feature for ARM64 and PowerPC, we need to add a > device tree property dmcryptkeys [2] as similar to elfcorehdr to pass > the memory address of the stored info of dm-crypt keys to the kdump > kernel.
We don't have any ack/review tags for this series. Could someone please help out?
