From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BE0702C0F7F; Sat, 19 Sep 2026 00:01:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789776065; cv=none; b=MyiC/pBlrFkUWo3Pvrs2+7aD+//enYlsrY0XW5thO3CFtylU8kPJnlMhpuXLEjbqM/WcCkk/xkaYL0kEfmCHzsI1FPeaKoHOqdwR/7pn5kB+mOZG6BTzpiGPvxf4Jy7xfDC+lbuWejsvoE7cmqhMpg+u6swTJ5GkvncgZdwQYqI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789776065; c=relaxed/simple; bh=9l9o5OTk9SXVhndCs90FIUSlXLEaEL75F93Ek23r9vc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=RRRukQ7w5/w8bZBUN3509SjysAlM5KK5i98ay2Rmg2DJafB4Gt1KF+Mrnswt6PRVqQIvWdg0oNv+h02l40sX0C7Q+t0A9jbhnXBx12NAZBnv1q8mFo7+gGYaPP9FfFd6YZMRHonAbwr9u6QxSw0eG03Z4dIEZJbgq9NaIMHFZ+k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jp0Brm/M; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jp0Brm/M" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5A4C01F008BE; Sat, 19 Sep 2026 00:01:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789776060; bh=zHw73w++Fi4O/idjdFzFYVPTFOEmmVCczO+XxEjj8qc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=jp0Brm/MuB85W38LTCoOKGrAgrXeZ7FaXPNGrasKBRWy06dM6ZaxO6wWFu+lMsSF3 kl1ImNyP92LzqrILA70zPAegh6+u+/bY6itP7PeHA0FIe3pFzylAaq5aUY7nXFNyAJ NfKt96iUzfABjtNpoi8xB7AuwGQlYvfj+ODeJ6XnxIgacTmUvmp3HIL7bVEljcjvnP FyqeLN+4uKfO4VrgdYcHqgY6WB4642bHgeVFcuhrkjqs+FQNNSM4qUH4Yw4/w4iLZ+ B3WuQn9eYwnyVikdAqrU7+7uJGxRTXhv2Y7VE00FifeT1ens66emKZpegjN+Uk8inM uzVMBWxbkFlgw== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 8384DCE0EE0; Fri, 18 Sep 2026 17:00:59 -0700 (PDT) From: "Paul E. McKenney" To: rcu@vger.kernel.org, linux-kernel@vger.kernel.org Cc: kernel-team@meta.com, Mathieu Desnoyers , Boqun Feng , Steven Rostedt , lkmm@lists.linux.dev, Zqiang , Wang Lian , Kunwu Chan , Bradley Morgan , "Paul E . McKenney" Subject: [PATCH 20/28] hazptrtorture: Detach deferred and IPIed hazard pointers Date: Fri, 18 Sep 2026 17:00:48 -0700 Message-Id: <20260919000056.3132131-20-paulmck@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Mathieu Desnoyers Pass to hazptr_detach() those hazard pointers that are to be released in some other task or within the context of an IPI handler. [ paulmck: s/hazptr_detach_from_task/hazptr_detach/ per Mathieu. ] Signed-off-by: Mathieu Desnoyers Signed-off-by: Paul E. McKenney Cc: Boqun Feng Cc: Cc: --- kernel/rcu/hazptrtorture.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/rcu/hazptrtorture.c b/kernel/rcu/hazptrtorture.c index a72375cb3221..e21c5ce3d4dc 100644 --- a/kernel/rcu/hazptrtorture.c +++ b/kernel/rcu/hazptrtorture.c @@ -411,6 +411,7 @@ hazptr_torture_reader_tail(struct hazptr_pending *hppp, struct torture_random_st preempt_enable(); if (irq_release && !(torture_random(trsp) % irq_release)) { guard(preempt)(); + hazptr_detach(&hppp->hpp_hc); cpu = cpumask_next_wrap(smp_processor_id(), cpu_online_mask); smp_call_function_single(cpu, hazptr_torture_release, hppp, 1); } else { @@ -428,6 +429,7 @@ static void hazptr_torture_defer(struct hazptr_pending *hppp, struct torture_ran struct llist_head *llhp; guard(preempt)(); + hazptr_detach(&hppp->hpp_hc); cpu = cpumask_next_wrap(cpu, cpu_online_mask); llhp = per_cpu_ptr(&hazptr_pending, cpu); llist_add(&hppp->hpp_node, llhp); -- 2.40.1