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X-CSE-ConnectionGUID: KR84U1c4STykXAV0vmgr4w== X-CSE-MsgGUID: Nab5VDVhSB682uyLY6wXUA== X-IronPort-AV: E=McAfee;i="6800,10657,11827"; a="82144897" X-IronPort-AV: E=Sophos;i="6.24,224,1774335600"; d="scan'208";a="82144897" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2026 04:06:05 -0700 X-CSE-ConnectionGUID: Ff5wjq2eS3y4NEnYZUPVEg== X-CSE-MsgGUID: /T55+aBtS92ybM5/4REhrg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,224,1774335600"; d="scan'208";a="249131302" Received: from ijarvine-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.245.126]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2026 04:05:58 -0700 From: Jani Nikula To: Steven Rostedt , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Linus Torvalds , Sebastian Andrzej Siewior , John Ogness , Thomas Gleixner , Peter Zijlstra , Julia Lawall , Yury Norov , linux-doc@vger.kernel.org, linux-kbuild@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-rdma@vger.kernel.org, linux-usb@vger.kernel.org, linux-ext4@vger.kernel.org, linux-nfs@vger.kernel.org, kvm@vger.kernel.org, intel-gfx@lists.freedesktop.org Subject: Re: [PATCH v4 0/2] tracing: Move non-trace_printk prototypes into trace_controls.h In-Reply-To: <20260625104007.041432666@kernel.org> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs Bertel Jungin Aukio 5, 02600 Espoo, Finland References: <20260625104007.041432666@kernel.org> Date: Thu, 25 Jun 2026 14:05:56 +0300 Message-ID: <2037b6b62264c0192d45733ec1099c3ec14085a2@intel.com> MIME-Version: 1.0 Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260625_040648_303348_5F9BFC16 X-CRM114-Status: GOOD ( 12.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 25 Jun 2026, 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 v3: https://lore.kernel.org/all/20260624081806.120105649@kernel.org/ > > - Always include trace_controls.h in rcu.h (kernel test robot) > > There are other configs that may include tracing_off() in rcu.h besides > the one that had the include of trace_controls.h. Just always include > it in that header to be safe. > > 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 ++ For the i915 parts, Acked-by: Jani Nikula for merging via whichever tree. > 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 | 1 + > 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, 82 insertions(+), 55 deletions(-) > create mode 100644 include/linux/trace_controls.h -- Jani Nikula, Intel