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@redhat.com>
>
> Cc: Aditya Gupta <adityag@linux.ibm.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: Baoquan he <bhe@redhat.com>
> Cc: Dave Young <dyoung@redhat.com>
> Cc: Hari Bathini <hbathini@linux.ibm.com>
> Cc: Jiri Bohac <jbohac@suse.cz>
> Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
> Cc: Mahesh J Salgaonkar <mahesh@linux.ibm.com>
> Cc: Pingfan Liu <piliu@redhat.com>
> Cc: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
> Cc: Shivang Upadhyay <shivangu@linux.ibm.com>
> Cc: Sourabh Jain <sourabhjain@linux.ibm.com>
> Cc: Vivek Goyal <vgoyal@redhat.com>
> Cc: linuxppc-dev@lists.ozlabs.org
> Cc: kexec@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
>