From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Puranjay Mohan <puranjay@kernel.org>
Cc: "Paul E . McKenney" <paulmck@kernel.org>,
linux-kernel@vger.kernel.org, Boqun Feng <boqun@kernel.org>,
Josh Triplett <josh@joshtriplett.org>,
Frederic Weisbecker <frederic@kernel.org>,
Neeraj Upadhyay <neeraj.upadhyay@kernel.org>,
Joel Fernandes <joelagnelf@nvidia.com>,
Uladzislau Rezki <urezki@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Lai Jiangshan <jiangshanlai@gmail.com>,
Zqiang <qiang.zhang@linux.dev>,
Linus Torvalds <torvalds@linux-foundation.org>,
Matthew Wilcox <willy@infradead.org>,
Christian Brauner <brauner@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Liam R . Howlett" <liam@infradead.org>,
Lorenzo Stoakes <ljs@kernel.org>,
Alice Ryhl <aliceryhl@google.com>,
Andrew Ballance <andrewjballance@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Ingo Molnar <mingo@kernel.org>, Thomas Gleixner <tglx@kernel.org>,
rcu@vger.kernel.org
Subject: Re: [RFC PATCH 04/12] rcu_txn: Add CONFIG_DEBUG_RCU_TXN
Date: Tue, 10 Nov 2026 10:12:37 -0500 [thread overview]
Message-ID: <2b632221-6a69-4d80-b546-3b7387be1fd0@efficios.com> (raw)
In-Reply-To: <20261023182218.479327-3-puranjay@kernel.org>
On 2026-10-23 14:22, Puranjay Mohan wrote:
[...]
> This can never fire: the only caller, rcu_txn_resolve(), has just
> checked rcu_txn_is_proxy(v, tag). I'd drop it.
Dropping it is planned for the next version.
[...]
> The append path checks new_ptr for the tag, but the chain path doesn't.
Good catch. Adding your check to the chain path is planned for the
next version.
Thanks,
Mathieu
--
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com
next prev parent reply other threads:[~2026-11-10 15:12 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-16 13:33 [RFC PATCH 00/12] RCU pseudo-transactions Mathieu Desnoyers
2026-10-16 13:33 ` [RFC PATCH 01/12] rcu_txn: Add single-writer " Mathieu Desnoyers
2026-10-23 18:22 ` Puranjay Mohan
2026-11-10 15:11 ` Mathieu Desnoyers
2026-10-16 13:33 ` [RFC PATCH 02/12] rcu_txn: Add KUnit tests Mathieu Desnoyers
2026-10-16 13:33 ` [RFC PATCH 03/12] rcu_txn: Skip the record lookup with a Bloom filter Mathieu Desnoyers
2026-10-23 18:22 ` Puranjay Mohan
2026-11-10 15:12 ` Mathieu Desnoyers
2026-10-16 13:33 ` [RFC PATCH 04/12] rcu_txn: Add CONFIG_DEBUG_RCU_TXN Mathieu Desnoyers
2026-10-23 18:22 ` Puranjay Mohan
2026-11-10 15:12 ` Mathieu Desnoyers [this message]
2026-10-16 13:33 ` [RFC PATCH 05/12] rcu_txn: Add an hlist edited through transactions Mathieu Desnoyers
2026-10-23 18:22 ` Puranjay Mohan
2026-11-10 15:12 ` Mathieu Desnoyers
2026-10-16 13:33 ` [RFC PATCH 06/12] rcu_txn: Add a doubly-linked list coherent in both directions Mathieu Desnoyers
2026-10-23 18:22 ` Puranjay Mohan
2026-11-10 15:13 ` Mathieu Desnoyers
2026-10-16 13:33 ` [RFC PATCH 07/12] Documentation/RCU: Describe RCU pseudo-transactions Mathieu Desnoyers
2026-10-16 13:33 ` [RFC PATCH 08/12] Documentation/litmus-tests: Add RCU pseudo-transaction tests Mathieu Desnoyers
2026-10-16 13:33 ` [RFC PATCH 09/12] rcu_txn: Test a list writer against concurrent readers Mathieu Desnoyers
2026-10-23 18:22 ` Puranjay Mohan
2026-11-10 15:13 ` Mathieu Desnoyers
2026-10-16 13:33 ` [RFC PATCH 10/12] rcu_txn: Test a commit from atomic context Mathieu Desnoyers
2026-10-23 18:22 ` Puranjay Mohan
2026-11-10 15:14 ` Mathieu Desnoyers
2026-10-16 13:33 ` [RFC PATCH 11/12] samples: Add a cache on RCU pseudo-transactions under one mutex Mathieu Desnoyers
2026-10-16 13:33 ` [RFC PATCH 12/12] samples: Add a cache on RCU pseudo-transactions with a lock per node Mathieu Desnoyers
2026-10-23 18:22 ` Puranjay Mohan
2026-11-10 15:14 ` Mathieu Desnoyers
2026-10-19 0:55 ` [RFC PATCH 00/12] RCU pseudo-transactions Joel Fernandes
2026-10-23 13:37 ` Mathieu Desnoyers
2026-10-23 18:19 ` Puranjay Mohan
2026-10-27 19:57 ` Mathieu Desnoyers
2026-10-28 1:13 ` Mathieu Desnoyers
2026-11-10 0:25 ` Paul E. McKenney
2026-11-10 1:00 ` Mathieu Desnoyers
2026-11-10 1:34 ` Paul E. McKenney
2026-11-10 15:26 ` Mathieu Desnoyers
2026-11-10 15:11 ` Mathieu Desnoyers
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