Re: [PATCH v3 0/2] tracing: Remove trace_printk.h from kernel.h

From: Yury Norov

Date: Sun Aug 30 2026 - 18:29:56 EST


Hi Steven,

Any progress on it? I still see linux/trace_printk.h in 7.3-rc1.

Thanks,
Yury

On Wed, Jun 24, 2026 at 04:18:06AM -0400, Steven Rostedt wrote:
> Remove trace_printk.h by creating a trace_controls.h for those places that
> need access to tracing prototypes like tracing_off() and for the places that
> need trace_printk() directly, to have it included directly.
>
> Changse since v2: https://lore.kernel.org/all/20260622130739.375198646@xxxxxxxxxx/
>
> - Update change log in patch 1
>
> - Remove #ifdef DEBUG and always include trace_printk.h in patch 2.
>
> Steven Rostedt (2):
> tracing: Move non-trace_printk prototypes into trace_controls.h
> tracing: Remove trace_printk.h from kernel.h
>
> ----
> arch/powerpc/kvm/book3s_xics.c | 1 +
> arch/powerpc/xmon/xmon.c | 1 +
> arch/s390/kernel/ipl.c | 1 +
> arch/s390/kernel/machine_kexec.c | 1 +
> drivers/gpu/drm/i915/gt/intel_gtt.h | 1 +
> drivers/gpu/drm/i915/i915_gem.h | 2 ++
> drivers/hwtracing/stm/dummy_stm.c | 1 +
> drivers/infiniband/hw/hfi1/trace_dbg.h | 1 +
> drivers/tty/sysrq.c | 1 +
> drivers/usb/early/xhci-dbc.c | 1 +
> fs/ext4/inline.c | 1 +
> include/linux/ftrace.h | 2 ++
> include/linux/kernel.h | 1 -
> include/linux/sunrpc/debug.h | 1 +
> include/linux/trace_controls.h | 54 ++++++++++++++++++++++++++++++++
> include/linux/trace_printk.h | 56 ++--------------------------------
> kernel/debug/debug_core.c | 1 +
> kernel/panic.c | 1 +
> kernel/rcu/rcu.h | 2 ++
> kernel/rcu/rcutorture.c | 1 +
> kernel/trace/ring_buffer_benchmark.c | 1 +
> kernel/trace/trace.h | 1 +
> kernel/trace/trace_benchmark.c | 1 +
> lib/sys_info.c | 1 +
> samples/fprobe/fprobe_example.c | 1 +
> samples/ftrace/ftrace-direct-too.c | 1 -
> samples/trace_printk/trace-printk.c | 1 +
> 27 files changed, 83 insertions(+), 55 deletions(-)
> create mode 100644 include/linux/trace_controls.h