Add two parameter to specify how many times a kexec kernel can be loaded. These parameter allow hardening the system.
While we are at it, fix a documentation issue and refactor some code. To: Jonathan Corbet <[email protected]> To: Eric Biederman <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: Joel Fernandes (Google) <[email protected]> Cc: Sergey Senozhatsky <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Ross Zwisler <[email protected]> To: Philipp Rudo <[email protected]> Signed-off-by: Ricardo Ribalda <[email protected]> --- Changes in v2: - Instead of kexec_reboot_disabled, add two new counters (Thanks Philipp!) - Link to v1: https://lore.kernel.org/r/[email protected] --- Ricardo Ribalda (3): Documentation: sysctl: Correct kexec_load_disabled kexec: Factor out kexec_load_permited kexec: Introduce paramters load_limit_reboot and load_limit_panic Documentation/admin-guide/kernel-parameters.txt | 14 ++++ Documentation/admin-guide/sysctl/kernel.rst | 7 +- include/linux/kexec.h | 3 +- kernel/kexec.c | 2 +- kernel/kexec_core.c | 98 ++++++++++++++++++++++++- kernel/kexec_file.c | 2 +- 6 files changed, 119 insertions(+), 7 deletions(-) --- base-commit: 479174d402bcf60789106eedc4def3957c060bad change-id: 20221114-disable-kexec-reset-19b7e117338f Best regards, -- Ricardo Ribalda <[email protected]> _______________________________________________ kexec mailing list [email protected] http://lists.infradead.org/mailman/listinfo/kexec
