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From: Kunwu Chan <kunwu.chan@linux.dev>
To: paulmck@kernel.org, frederic@kernel.org,
	neeraj.upadhyay@kernel.org, joelagnelf@nvidia.com,
	josh@joshtriplett.org, boqun@kernel.org, urezki@gmail.com,
	rostedt@goodmis.org, mathieu.desnoyers@efficios.com,
	jiangshanlai@gmail.com, qiang.zhang@linux.dev, dave@stgolabs.net
Cc: rcu@vger.kernel.org, linux-kernel@vger.kernel.org,
	Kunwu Chan <kunwu.chan@gmail.com>,
	Wang Lian <lianux.mm@gmail.com>
Subject: [PATCH v2 3/3] hazptrtorture: Use task_state_to_char() for task-state reporting
Date: Fri, 12 Jun 2026 10:34:14 +0800	[thread overview]
Message-ID: <20260612023414.679618-4-kunwu.chan@linux.dev> (raw)
In-Reply-To: <20260612023414.679618-1-kunwu.chan@linux.dev>

From: Kunwu Chan <kunwu.chan@gmail.com>

Use the kernel's standard symbolic task-state representation instead of
printing raw hexadecimal task-state values.

Suggested-by: Zqiang <qiang.zhang@linux.dev>
Co-developed-by: Wang Lian <lianux.mm@gmail.com>
Signed-off-by: Wang Lian <lianux.mm@gmail.com>
Signed-off-by: Kunwu Chan <kunwu.chan@gmail.com>
---
 kernel/rcu/hazptrtorture.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/rcu/hazptrtorture.c b/kernel/rcu/hazptrtorture.c
index 0da0a4606..19ea479c9 100644
--- a/kernel/rcu/hazptrtorture.c
+++ b/kernel/rcu/hazptrtorture.c
@@ -497,10 +497,10 @@ hazptr_torture_stats_print(void)
 		unsigned long __maybe_unused gp_seq = 0;
 
 		wtp = READ_ONCE(writer_task);
-		pr_alert("??? Writer stall state %s(%d) g%lu f%#x ->state %#x cpu %d\n",
+		pr_alert("??? Writer stall state %s(%d) g%lu f%#x ->state %c cpu %d\n",
 			 hazptr_torture_writer_state_getname(),
 			 hazptr_torture_writer_state, gp_seq, flags,
-			 wtp == NULL ? ~0U : wtp->__state,
+			 wtp == NULL ? '?' : task_state_to_char(wtp),
 			 wtp == NULL ? -1 : (int)task_cpu(wtp));
 		if (!splatted && wtp) {
 			sched_show_task(wtp);
-- 
2.43.0


  parent reply	other threads:[~2026-06-12  2:35 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-12  2:34 [PATCH v2 0/3] rcu: Improve task-state reporting readability Kunwu Chan
2026-06-12  2:34 ` [PATCH v2 1/3] rcu: Use task_state_to_char() in stall-warning prints Kunwu Chan
2026-06-12  2:34 ` [PATCH v2 2/3] rcutorture: Use task_state_to_char() for task-state reporting Kunwu Chan
2026-06-12  2:34 ` Kunwu Chan [this message]
2026-06-15 18:14 ` [PATCH v2 0/3] rcu: Improve task-state reporting readability Paul E. McKenney

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