From: Boqun Feng <boqun.feng@gmail.com>
To: Dirk Behme <dirk.behme@gmail.com>
Cc: "Lyude Paul" <lyude@redhat.com>,
rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org,
"Thomas Gleixner" <tglx@linutronix.de>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Danilo Krummrich" <dakr@kernel.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Ingo Molnar" <mingo@redhat.com>, "Will Deacon" <will@kernel.org>,
"Waiman Long" <longman@redhat.com>
Subject: Re: [PATCH v16 12/17] rust: sync: lock/global: Rename B to G in trait bounds
Date: Thu, 18 Dec 2025 05:33:58 +0900 [thread overview]
Message-ID: <aUMTtmxJTQDkpgeL@tardis-2.local> (raw)
In-Reply-To: <08d00540-9de9-43a5-9e36-df2d575b4c24@gmail.com>
On Tue, Dec 16, 2025 at 05:15:18PM +0100, Dirk Behme wrote:
> On 15.12.25 18:57, Lyude Paul wrote:
> > Due to the introduction of Backend::BackendInContext, if we want to be able
> > support Lock types with a Context we need to be able to handle the fact
> > that the Backend for a returned Guard may not exactly match the Backend for
> > the lock. Before we add this though, rename B to G in all of our trait
> > bounds to make sure things don't become more difficult to understand once
> > we add a Backend bound.
> >
> > There should be no functional changes in this patch.
> >
> > Signed-off-by: Lyude Paul <lyude@redhat.com>
> > ---
> > rust/kernel/sync/atomic.rs | 2 +-
> > rust/kernel/sync/lock/global.rs | 58 ++++++++++++++++-----------------
> > 2 files changed, 30 insertions(+), 30 deletions(-)
> >
> > diff --git a/rust/kernel/sync/atomic.rs b/rust/kernel/sync/atomic.rs
> > index 3afc376be42d9..c07a53f8360b4 100644
> > --- a/rust/kernel/sync/atomic.rs
> > +++ b/rust/kernel/sync/atomic.rs
> > @@ -21,8 +21,8 @@
> > mod predefine;
> >
> > pub use internal::AtomicImpl;
> > -pub use ordering::{Acquire, Full, Relaxed, Release};
> > pub(crate) use internal::{AtomicArithmeticOps, AtomicBasicOps, AtomicExchangeOps};
> > +pub use ordering::{Acquire, Full, Relaxed, Release};
>
> Just fyi, there is a (trivial) conflict of this with Miguel's recently
> merged
>
I think what Lyude has here is probably automatically added by rustfmt,
rebasing on v6.19-rc1 should avoid this.
Regards,
Boqun
> commit 309e49039f124a ("rust: sync: atomic: separate import "blocks"")
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/rust/kernel/sync/atomic.rs?id=309e49039f124a9dcb99c05651af8eb8fa05bc29
>
> If I haven't missed anything this is just to fix the alphabetical
> order? So maybe this should go as an independent patch like Miguel's one?
>
> Dirk
next prev parent reply other threads:[~2025-12-17 20:34 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-15 17:57 [PATCH v16 00/17] Refcounted interrupts, SpinLockIrq for rust Lyude Paul
2025-12-15 17:57 ` [PATCH v16 01/17] preempt: Introduce HARDIRQ_DISABLE_BITS Lyude Paul
2025-12-15 17:57 ` [PATCH v16 02/17] preempt: Track NMI nesting to separate per-CPU counter Lyude Paul
2025-12-15 17:57 ` [PATCH v16 03/17] preempt: Introduce __preempt_count_{sub, add}_return() Lyude Paul
2025-12-15 17:57 ` [PATCH v16 04/17] openrisc: Include <linux/cpumask.h> in smp.h Lyude Paul
2025-12-15 21:54 ` Stafford Horne
2025-12-15 17:57 ` [PATCH v16 05/17] irq & spin_lock: Add counted interrupt disabling/enabling Lyude Paul
2025-12-15 17:57 ` [PATCH v16 06/17] irq: Add KUnit test for refcounted interrupt enable/disable Lyude Paul
2025-12-15 17:57 ` [PATCH v16 07/17] rust: Introduce interrupt module Lyude Paul
2025-12-15 17:57 ` [PATCH v16 08/17] rust: helper: Add spin_{un,}lock_irq_{enable,disable}() helpers Lyude Paul
2025-12-16 12:15 ` Gary Guo
2025-12-15 17:57 ` [PATCH v16 09/17] rust: sync: Add SpinLockIrq Lyude Paul
2025-12-16 12:20 ` Gary Guo
2025-12-22 5:50 ` Benno Lossin
2025-12-15 17:57 ` [PATCH v16 10/17] rust: sync: Introduce lock::Backend::Context Lyude Paul
2025-12-22 6:10 ` Benno Lossin
2025-12-15 17:57 ` [PATCH v16 11/17] rust: sync: lock: Add `Backend::BackendInContext` Lyude Paul
2025-12-22 6:19 ` Benno Lossin
2025-12-15 17:57 ` [PATCH v16 12/17] rust: sync: lock/global: Rename B to G in trait bounds Lyude Paul
2025-12-16 16:15 ` Dirk Behme
2025-12-17 20:33 ` Boqun Feng [this message]
2025-12-22 6:23 ` Benno Lossin
2025-12-15 17:58 ` [PATCH v16 13/17] rust: sync: Add a lifetime parameter to lock::global::GlobalGuard Lyude Paul
2025-12-22 6:28 ` Benno Lossin
2025-12-15 17:58 ` [PATCH v16 14/17] rust: sync: Expose lock::Backend Lyude Paul
2025-12-22 6:27 ` Benno Lossin
2025-12-15 17:58 ` [PATCH v16 15/17] rust: sync: lock/global: Add Backend parameter to GlobalGuard Lyude Paul
2025-12-22 6:27 ` Benno Lossin
2025-12-15 17:58 ` [PATCH v16 16/17] rust: sync: lock/global: Add BackendInContext support to GlobalLock Lyude Paul
2025-12-22 6:25 ` Benno Lossin
2025-12-15 17:58 ` [PATCH v16 17/17] locking: Switch to _irq_{disable,enable}() variants in cleanup guards Lyude Paul
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aUMTtmxJTQDkpgeL@tardis-2.local \
--to=boqun.feng@gmail.com \
--cc=a.hindborg@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=alex.gaynor@gmail.com \
--cc=aliceryhl@google.com \
--cc=bjorn3_gh@protonmail.com \
--cc=dakr@kernel.org \
--cc=daniel.almeida@collabora.com \
--cc=dirk.behme@gmail.com \
--cc=gary@garyguo.net \
--cc=linux-kernel@vger.kernel.org \
--cc=longman@redhat.com \
--cc=lossin@kernel.org \
--cc=lyude@redhat.com \
--cc=mingo@redhat.com \
--cc=ojeda@kernel.org \
--cc=peterz@infradead.org \
--cc=rust-for-linux@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=tmgross@umich.edu \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®