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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Karl Mehltretter <kmehltretter@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@kernel.org>,
	Frederic Weisbecker <frederic@kernel.org>,
	Clark Williams <clrkwllms@kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Boqun Feng <boqun@kernel.org>, Lyude Paul <lyude@redhat.com>,
	Joel Fernandes <joelagnelf@nvidia.com>,
	Alexander Potapenko <glider@google.com>,
	Marco Elver <elver@google.com>, Jonathan Corbet <corbet@lwn.net>,
	Bradley Morgan <brads@mainlining.org>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-rt-devel@lists.linux.dev
Subject: Re: [PATCH v5] softirq: Preserve interrupt context during IRQ exit
Date: Thu, 1 Oct 2026 09:39:43 +0200	[thread overview]
Message-ID: <20261001073943.QYhian_i@linutronix.de> (raw)
In-Reply-To: <20260930191432.62760-1-kmehltretter@gmail.com>

On 2026-09-30 21:14:32 [+0200], Karl Mehltretter wrote:
> On the return from interrupt path, __irq_exit_rcu() removes
> HARDIRQ_OFFSET from the preemption counter at the very top of the
> function. Everything after that reports the current context as task
> instead of hard interrupt. The code in the function itself, such as
…

Good.

Sebastian

  reply	other threads:[~2026-10-01  7:39 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-30 19:14 Karl Mehltretter
2026-10-01  7:39 ` Sebastian Andrzej Siewior [this message]
2026-10-03  0:50 ` Joel Fernandes

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