From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Lyude Paul <lyude@redhat.com>
Cc: rust-for-linux@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Boqun Feng <boqun.feng@gmail.com>,
linux-kernel@vger.kernel.org,
Daniel Almeida <daniel.almeida@collabora.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
Waiman Long <longman@redhat.com>,
Clark Williams <clrkwllms@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
"open list:Real-time Linux (PREEMPT_RT):Keyword:PREEMPT_RT"
<linux-rt-devel@lists.linux.dev>
Subject: Re: [RFC RESEND v10 14/14] locking: Switch to _irq_{disable,enable}() variants in cleanup guards
Date: Wed, 28 May 2025 08:11:39 +0200 [thread overview]
Message-ID: <20250528061139.MduTfTBS@linutronix.de> (raw)
In-Reply-To: <20250527222254.565881-15-lyude@redhat.com>
On 2025-05-27 18:21:55 [-0400], Lyude Paul wrote:
> diff --git a/include/linux/spinlock_rt.h b/include/linux/spinlock_rt.h
> index 6ea08fafa6d7b..f54e184735563 100644
> --- a/include/linux/spinlock_rt.h
> +++ b/include/linux/spinlock_rt.h
> @@ -132,6 +132,12 @@ static __always_inline void spin_unlock_irqrestore(spinlock_t *lock,
> rt_spin_unlock(lock);
> }
>
> +static __always_inline int spin_trylock_irq_disable(spinlock_t *lock)
> +{
> + return rt_spin_trylock(lock);
> +}
> +
> +
no extra space, please. It appears this should be part of another patch.
That patch where the spin_trylock_irq_disable() was introduced.
> #define spin_trylock(lock) \
> __cond_lock(lock, rt_spin_trylock(lock))
>
Sebastian
next prev parent reply other threads:[~2025-05-28 6:11 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-27 22:21 [RFC RESEND v10 00/14] Refcounted interrupts, SpinLockIrq for rust Lyude Paul
2025-05-27 22:21 ` [RFC RESEND v10 01/14] preempt: Introduce HARDIRQ_DISABLE_BITS Lyude Paul
2025-05-27 22:21 ` [RFC RESEND v10 02/14] preempt: Introduce __preempt_count_{sub, add}_return() Lyude Paul
2025-05-28 6:37 ` Heiko Carstens
2025-05-27 22:21 ` [RFC RESEND v10 03/14] irq & spin_lock: Add counted interrupt disabling/enabling Lyude Paul
2025-05-28 9:10 ` Peter Zijlstra
2025-05-28 14:03 ` Steven Rostedt
2025-05-28 14:47 ` Boqun Feng
2025-06-16 17:54 ` Joel Fernandes
2025-06-16 18:02 ` Boqun Feng
2025-06-16 18:37 ` Joel Fernandes
2025-06-17 14:14 ` Steven Rostedt
2025-05-28 18:47 ` Lyude Paul
2025-06-16 18:10 ` Joel Fernandes
2025-06-16 18:16 ` Boqun Feng
2025-06-17 14:11 ` Steven Rostedt
2025-06-17 14:34 ` Boqun Feng
2025-06-17 15:11 ` Steven Rostedt
2025-06-17 14:25 ` Boqun Feng
2025-05-27 22:21 ` [RFC RESEND v10 04/14] rust: Introduce interrupt module Lyude Paul
2025-05-29 9:21 ` Benno Lossin
2025-05-27 22:21 ` [RFC RESEND v10 05/14] rust: helper: Add spin_{un,}lock_irq_{enable,disable}() helpers Lyude Paul
2025-05-27 22:21 ` [RFC RESEND v10 06/14] rust: sync: Add SpinLockIrq Lyude Paul
2025-06-16 19:51 ` Joel Fernandes
2025-07-16 20:29 ` Lyude Paul
2025-05-27 22:21 ` [RFC RESEND v10 07/14] rust: sync: Introduce lock::Backend::Context Lyude Paul
2025-05-27 22:21 ` [RFC RESEND v10 08/14] rust: sync: lock: Add `Backend::BackendInContext` Lyude Paul
2025-05-27 22:21 ` [RFC RESEND v10 09/14] rust: sync: Add a lifetime parameter to lock::global::GlobalGuard Lyude Paul
2025-05-27 22:21 ` [RFC RESEND v10 10/14] rust: sync: lock/global: Rename B to G in trait bounds Lyude Paul
2025-05-27 22:21 ` [RFC RESEND v10 11/14] rust: sync: Expose lock::Backend Lyude Paul
2025-05-27 22:21 ` [RFC RESEND v10 12/14] rust: sync: lock/global: Add Backend parameter to GlobalGuard Lyude Paul
2025-05-27 22:21 ` [RFC RESEND v10 13/14] rust: sync: lock/global: Add BackendInContext support to GlobalLock Lyude Paul
2025-05-27 22:21 ` [RFC RESEND v10 14/14] locking: Switch to _irq_{disable,enable}() variants in cleanup guards Lyude Paul
2025-05-28 6:11 ` Sebastian Andrzej Siewior [this message]
2025-07-02 10:16 ` [RFC RESEND v10 00/14] Refcounted interrupts, SpinLockIrq for rust Benno Lossin
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