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Thu, 03 Sep 2026 06:22:11 -0700 (PDT) From: Pengfei Li X-Google-Original-From: Pengfei Li To: sashiko-bot@kernel.org Cc: Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Mark Rutland , Jonathan Corbet , Shuah Khan , Pengfei Li , linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [RFC PATCH v5 2/3] trace: integrate stackmap into ftrace stack recording path Date: Thu, 3 Sep 2026 21:21:50 +0800 Message-Id: <20260903132150.253372-1-lipengfei28@xiaomi.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260902065433.2D6361F000E9@smtp.kernel.org> References: <20260902064242.28606-1-lipengfei28@xiaomi.com> <20260902064242.28606-3-lipengfei28@xiaomi.com> <20260902065433.2D6361F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On Wed, 2 Sep 2026 06:54:32 +0000 sashiko-bot@kernel.org wrote: > Could the commit message be updated to reflect that the buffers are not > cleared? > Does this code unnecessarily export tracing_reset_all_cpus() outside of > trace.c? Both are real. Fixed in v6. The commit message was left over from the stricter reset design that was dropped in favour of map-only reset. It no longer claims the trace_array buffers are cleared. ftrace_stackmap_create() still takes the owning trace_array, but for a different reason: the text and binary exports run stack addresses through trace_adjust_address(). The export was indeed dead. With the ring-buffer clear gone, tracing_reset_all_cpus() has no caller outside trace.c, so v6 restores it to a private static helper and removes the declaration from trace.h. Pengfei