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[195.250.132.146]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43796ac8075sm47324631f8f.29.2026.02.19.08.27.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Feb 2026 08:27:42 -0800 (PST) From: Petr Pavlu To: Steven Rostedt , Masami Hiramatsu Cc: Mathieu Desnoyers , Tom Zanussi , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Petr Pavlu Subject: [PATCH v3 0/5] Clean up access to trace_event_file from a file struct Date: Thu, 19 Feb 2026 17:27:00 +0100 Message-ID: <20260219162737.314231-1-petr.pavlu@suse.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series includes several patches related to accessing trace_event_file from a file struct. The first two patches are fixes for edge cases, the remaining patches are minor cleanups. Changes since v2 [1]: * Split the first patch related to hist event files into two: one that corrects the trace_event_file access method and another that ensures pollers are woken up when the watched event is removed. Changes since v1 [2]: * Fix a compilation error when CONFIG_HIST_TRIGGERS is not set. * Drop a patch that references the trace_event_file data in event_file_data() and keep the simpler implementation of storing the id in i_private. * Inline event_file_data() into event_id_read() to enable adding additional checks to the former. [1] https://lore.kernel.org/linux-trace-kernel/20260216134247.1311631-1-petr.pavlu@suse.com/ [2] https://lore.kernel.org/linux-trace-kernel/20260210113427.1068932-1-petr.pavlu@suse.com/ Petr Pavlu (5): tracing: Fix checking of freed trace_event_file for hist files tracing: Wake up poll waiters for hist files when removing an event tracing: Remove unnecessary check for EVENT_FILE_FL_FREED tracing: Clean up access to trace_event_file from a file pointer tracing: Free up file->private_data for use by individual events include/linux/trace_events.h | 5 +++++ kernel/trace/trace.c | 2 -- kernel/trace/trace.h | 17 +++++++++++------ kernel/trace/trace_events.c | 17 ++++++++--------- kernel/trace/trace_events_hist.c | 8 ++------ 5 files changed, 26 insertions(+), 23 deletions(-) base-commit: 2b7a25df823dc7d8f56f8ce7c2d2dac391cea9c2 -- 2.53.0