Re: [PATCH v4 3/7] crash_dump: store dm keys in kdump reserved memory

2024-05-23 Thread kernel test robot
Hi Coiby, kernel test robot noticed the following build errors: [auto build test ERROR on de7e71ef8bed222dd144d8878091ecb6d5dfd208] url: https://github.com/intel-lab-lkp/linux/commits/Coiby-Xu/kexec_file-allow-to-place-kexec_buf-randomly/20240523-130727 base

Re: [PATCH v4 2/7] crash_dump: make dm crypt keys persist for the kdump kernel

2024-05-23 Thread Greg KH
On Thu, May 23, 2024 at 01:04:43PM +0800, Coiby Xu wrote: > A sysfs /sys/kernel/crash_dm_crypt_keys is provided for user space to make > the dm crypt keys persist for the kdump kernel. User space can send the > following commands, > - "init KEY_NUM" > Initialize needed structures > - "record