Hi all, This is the 3rd version of patch series that fix the ftrace rethook recursion problem. Changes since v2: - refine commit message of [PATCH v2 2/4] fprobe: make fprobe_kprobe_handler recursion free v1: https://lore.kernel.org/linux-trace-kernel/cover.1684120990.git.zegao@xxxxxxxxxxx/T/ v2: https://lore.kernel.org/linux-trace-kernel/ZGP4ypidaxQGdp7Y@krava/T/#mb9e74fe74d5800ee424234b26c6def9d5135237b The original discussions of this bug can be checked out here: https://lore.kernel.org/bpf/CAD8CoPCfPmqZH6BJCk3Y1-02BLVVsbQ6OeaNOhcfGWmdF0oX8A@xxxxxxxxxxxxxx/T/#t Ze Gao (4): rethook: use preempt_{disable, enable}_notrace in rethook_trampoline_handler fprobe: make fprobe_kprobe_handler recursion free fprobe: add recursion detection in fprobe_exit_handler rethook, fprobe: do not trace rethook related functions arch/riscv/kernel/probes/Makefile | 2 + arch/s390/kernel/Makefile | 1 + arch/x86/kernel/Makefile | 1 + kernel/trace/fprobe.c | 73 ++++++++++++++++++++++++------- kernel/trace/rethook.c | 4 +- 5 files changed, 64 insertions(+), 17 deletions(-) -- 2.40.1