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Wed, 28 Jan 2026 18:26:01 -0800 (PST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Jens Axboe Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 (1.0) Subject: Re: [PATCH v4 5/5] blktrace: Make init_blk_tracer() asynchronous when trace_async_init set Date: Wed, 28 Jan 2026 19:25:46 -0700 Message-Id: <56C8934E-3D17-4467-93E6-D813770BF577@kernel.dk> References: <20260128194104.30051be1@gandalf.local.home> Cc: Yaxiong Tian , mhiramat@kernel.org, mathieu.desnoyers@efficios.com, corbet@lwn.net, skhan@linuxfoundation.org, linux-trace-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org In-Reply-To: <20260128194104.30051be1@gandalf.local.home> To: Steven Rostedt X-Mailer: iPhone Mail (23C71) On Jan 28, 2026, at 5:40=E2=80=AFPM, Steven Rostedt wr= ote: >=20 > =EF=BB=BF > Jens, >=20 > Can you give me an acked-by on this patch and I can take the series throug= h > my tree. On phone, hope this works: Acked-by: Jens Axboe > Or perhaps this doesn't even need to test the trace_async_init flag and ca= n > always do the work queue? Does blk_trace ever do tracing at boot up? That > is, before user space starts? Not via the traditonal way of running blktrace.