The ongoing work to support sframes[1] in the kernel required a few clean ups to the perf kernel side. Instead of having these changes in the ongoing work, there's no reason they cannot be applied now.
These are just clean ups to the perf code to help simplify the updates that will be made later. [1] https://lore.kernel.org/linux-trace-kernel/20250708020003.565862...@kernel.org Josh Poimboeuf (4): perf: Remove get_perf_callchain() init_nr argument perf: Have get_perf_callchain() return NULL if crosstask and user are set perf: Simplify get_perf_callchain() user logic perf: Skip user unwind if the task is a kernel thread Steven Rostedt (1): perf: Use current->flags & PF_KTHREAD|PF_USER_WORKER instead of current->mm == NULL ---- include/linux/perf_event.h | 2 +- kernel/bpf/stackmap.c | 4 ++-- kernel/events/callchain.c | 40 +++++++++++++++++++--------------------- kernel/events/core.c | 9 +++++---- 4 files changed, 27 insertions(+), 28 deletions(-)