[PATCH v6 0/3] kexec: reorganize kexec and kdump sysfs

[Baoquan he]

On 11/18/25 at 05:15pm, Sourabh Jain wrote:
> All existing kexec and kdump sysfs entries are moved to a new location,
> /sys/kernel/kexec, to keep /sys/kernel/ clean and better organized.
> Symlinks are created at the old locations for backward compatibility and
> can be removed in the future [01/03].
> 
> While doing this cleanup, the old kexec and kdump sysfs entries are
> marked as deprecated in the existing ABI documentation [02/03]. This
> makes it clear that these older interfaces should no longer be used.
> New ABI documentation is added to describe the reorganized interfaces
> [03/03], so users and tools can rely on the updated sysfs interfaces
> going forward.
> 
> Changlog:
> ---------
> 
> v4 -> v5:
>  https://lore.kernel.org/all/20251114152550.ac2dd5e23542f09c62defec7@linux-foundation.org/
>  - Splitted patch series from the above patch series
> 
> v5 -> v6:
>  - Move /sys/kernel/kexec_crash_cma_ranges also to new /sys/kernel/kexec node
>  - Update commit messages
> 
> Note:
> This patch series is dependent on the patches:
> https://lore.kernel.org/all/20251117035153.1199665-1-sourabhjain@linux.ibm.com/
> https://lore.kernel.org/all/20251118071023.1673329-1-sourabhjain@linux.ibm.com/

To the series,

Acked-by: Baoquan He <bhe at redhat.com>

> 
> Cc: Aditya Gupta <adityag at linux.ibm.com>
> Cc: Andrew Morton <akpm at linux-foundation.org>
> Cc: Baoquan he <bhe at redhat.com>
> Cc: Dave Young <dyoung at redhat.com>
> Cc: Hari Bathini <hbathini at linux.ibm.com>
> Cc: Jiri Bohac <jbohac at suse.cz>
> Cc: Madhavan Srinivasan <maddy at linux.ibm.com>
> Cc: Mahesh J Salgaonkar <mahesh at linux.ibm.com>
> Cc: Pingfan Liu <piliu at redhat.com>
> Cc: Ritesh Harjani (IBM) <ritesh.list at gmail.com>
> Cc: Shivang Upadhyay <shivangu at linux.ibm.com>
> Cc: Sourabh Jain <sourabhjain at linux.ibm.com>
> Cc: Vivek Goyal <vgoyal at redhat.com>
> Cc: linuxppc-dev at lists.ozlabs.org
> Cc: kexec at lists.infradead.org
> 
> Sourabh Jain (3):
>   kexec: move sysfs entries to /sys/kernel/kexec
>   Documentation/ABI: mark old kexec sysfs deprecated
>   Documentation/ABI: new kexec and kdump sysfs interface
> 
>  .../ABI/obsolete/sysfs-kernel-kexec-kdump     |  71 +++++++++
>  .../ABI/testing/sysfs-kernel-kexec-kdump      |  26 ++--
>  kernel/kexec_core.c                           | 141 ++++++++++++++++++
>  kernel/ksysfs.c                               |  89 +----------
>  4 files changed, 230 insertions(+), 97 deletions(-)
>  create mode 100644 Documentation/ABI/obsolete/sysfs-kernel-kexec-kdump
> 
> -- 
> 2.51.1
>