From: Peter Zijlstra <peterz@infradead.org>
To: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Cc: Ingo Molnar <mingo@redhat.com>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Valentin Schneider <vschneid@redhat.com>,
K Prateek Nayak <kprateek.nayak@amd.com>,
Boris Brezillon <boris.brezillon@collabora.com>,
Steven Price <steven.price@arm.com>,
Liviu Dudau <liviu.dudau@arm.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Grant Likely <grant.likely@linaro.org>,
Heiko Stuebner <heiko@sntech.de>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
kernel@collabora.com
Subject: Re: [PATCH 1/3] wait: Introduce non-irq variants of wait_event_lock_timeout
Date: Wed, 29 Jul 2026 12:10:15 +0200 [thread overview]
Message-ID: <20260729101015.GK49951@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20260729-panthor-cache-flush-fix-v1-1-205921ed3c81@collabora.com>
On Wed, Jul 29, 2026 at 08:19:49AM +0200, Nicolas Frattaroli wrote:
> For locks that are never acquired in an interrupt context, the non-irq
> variants for spin_lock()/spin_unlock() are more efficient. However, so
> far, wait.h only provided wait_event_lock_irq_timeout and
> wait_event_interruptible_lock_irq_timeout, both of which use
> spin_lock_irq()/spin_unlock_irq().
>
> Rectify this by adding new non-irq variants of these two macros.
>
> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
next prev parent reply other threads:[~2026-07-29 10:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-29 6:19 [PATCH 0/3] Rework panthor's cache flush and soft reset locking Nicolas Frattaroli
2026-07-29 6:19 ` [PATCH 1/3] wait: Introduce non-irq variants of wait_event_lock_timeout Nicolas Frattaroli
2026-07-29 10:10 ` Peter Zijlstra [this message]
2026-07-29 6:19 ` [PATCH 2/3] drm/panthor: Revisit reqs_lock handling in flush/reset paths Nicolas Frattaroli
2026-07-29 6:19 ` [PATCH 3/3] drm/panthor: Add tracepoints for cache flushing Nicolas Frattaroli
2026-07-29 17:10 ` Steven Rostedt
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