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From: Alice Ryhl <aliceryhl@google.com>
To: Boqun Feng <boqun.feng@gmail.com>
Cc: "Paul E. McKenney" <paulmck@kernel.org>,
	"Liam R. Howlett" <Liam.Howlett@oracle.com>,
	"Gary Guo" <gary@garyguo.net>, "Miguel Ojeda" <ojeda@kernel.org>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Benno Lossin" <lossin@kernel.org>,
	"Andreas Hindborg" <a.hindborg@kernel.org>,
	"Trevor Gross" <tmgross@umich.edu>,
	"Danilo Krummrich" <dakr@kernel.org>,
	"Frederic Weisbecker" <frederic@kernel.org>,
	"Neeraj Upadhyay" <neeraj.upadhyay@kernel.org>,
	"Joel Fernandes" <joelagnelf@nvidia.com>,
	"Josh Triplett" <josh@joshtriplett.org>,
	"Uladzislau Rezki" <urezki@gmail.com>,
	"Steven Rostedt" <rostedt@goodmis.org>,
	"Mathieu Desnoyers" <mathieu.desnoyers@efficios.com>,
	"Lai Jiangshan" <jiangshanlai@gmail.com>,
	Zqiang <qiang.zhang@linux.dev>,
	"Andrew Ballance" <andrewjballance@gmail.com>,
	linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org,
	rcu@vger.kernel.org, maple-tree@lists.infradead.org,
	linux-mm@kvack.org
Subject: Re: [PATCH RFC 0/2] rcu box container for Rust + maple tree load_rcu
Date: Sat, 17 Jan 2026 13:29:25 +0000	[thread overview]
Message-ID: <aWuOtUa0mPDrnbke@google.com> (raw)
In-Reply-To: <aWuKlR4a-VJhBeWj@tardis-2.local>

On Sat, Jan 17, 2026 at 09:11:49PM +0800, Boqun Feng wrote:
> In Rcu + RcuOld design, RcuBox is just a Box
> because these two pointer types handle reclaim + accesses.

How would that work? Dropping my RcuBox<_> must use kfree_rcu() or
synchronize_rcu() or it is unsound. So it can't just be a Box.

Alice


  reply	other threads:[~2026-01-17 13:29 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-16 15:46 Alice Ryhl
2026-01-16 15:46 ` [PATCH RFC 1/2] rust: rcu: add RcuBox type Alice Ryhl
2026-01-16 16:23   ` Joel Fernandes
2026-01-16 15:46 ` [PATCH RFC 2/2] rust: maple_tree: add load_rcu() Alice Ryhl
2026-01-17  0:06 ` [PATCH RFC 0/2] rcu box container for Rust + maple tree load_rcu Boqun Feng
2026-01-17 11:55   ` Alice Ryhl
2026-01-17 12:11     ` Boqun Feng
2026-01-17 13:11       ` Boqun Feng
2026-01-17 13:29         ` Alice Ryhl [this message]
2026-01-17 14:05           ` Boqun Feng
2026-01-17 15:39             ` Boqun Feng
2026-01-17 16:46               ` Gary Guo
2026-01-17 13:12       ` Alice Ryhl
2026-01-17 14:00         ` Boqun Feng
2026-01-21 12:10           ` Alice Ryhl
2026-01-21 13:14             ` Boqun Feng
2026-01-21 13:21               ` Alice Ryhl
2026-01-21 18:38                 ` Paul E. McKenney

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