From: Peter Zijlstra <peterz@infradead.org>
To: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Tengda Wu <wutengda@huaweicloud.com>,
Steven Rostedt <rostedt@goodmis.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Alexei Starovoitov <ast@kernel.org>,
linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] rethook: Use tsk->on_cpu to check task execution state
Date: Thu, 4 Jun 2026 11:34:45 +0200 [thread overview]
Message-ID: <20260604093445.GF3126523@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20260601084001.9566b443746447ec2bb1a9fb@kernel.org>
On Mon, Jun 01, 2026 at 08:40:01AM +0900, Masami Hiramatsu wrote:
> Peter, is it OK to drop @rq from task_on_cpu()?
Sure.
> Then we can use it from rethook.
Well, it is in sched/sched.h, which is an internal header, and no you
cannot use that header in rethook.
But lets step back first, what is the actual problem here, why are we
looking at ->on_cpu at all?
prev parent reply other threads:[~2026-06-04 9:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-25 13:22 [PATCH] rethook: Use tsk->on_cpu to check task execution state Tengda Wu
2026-05-26 3:37 ` Masami Hiramatsu
2026-05-29 3:39 ` Tengda Wu
2026-05-31 23:40 ` Masami Hiramatsu
2026-06-01 0:58 ` Tengda Wu
2026-06-04 9:34 ` Peter Zijlstra [this message]
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