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Date: Wed, 5 Jun 2024 19:52:46 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, "David S. Miller"
 <davem@davemloft.net>, Daniel Bristot de Oliveira <bristot@kernel.org>,
 Boqun Feng <boqun.feng@gmail.com>, Daniel Borkmann <daniel@iogearbox.net>,
 Eric Dumazet <edumazet@google.com>, Frederic Weisbecker
 <frederic@kernel.org>, Ingo Molnar <mingo@redhat.com>, Paolo Abeni
 <pabeni@redhat.com>, Peter Zijlstra <peterz@infradead.org>, Thomas Gleixner
 <tglx@linutronix.de>, Waiman Long <longman@redhat.com>, Will Deacon
 <will@kernel.org>
Subject: Re: [PATCH v4 net-next 00/15] locking: Introduce nested-BH locking.
Message-ID: <20240605195246.6873138c@kernel.org>
In-Reply-To: <20240604154425.878636-1-bigeasy@linutronix.de>
References: <20240604154425.878636-1-bigeasy@linutronix.de>
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On Tue,  4 Jun 2024 17:24:07 +0200 Sebastian Andrzej Siewior wrote:
> Disabling bottoms halves acts as per-CPU BKL. On PREEMPT_RT code within
> local_bh_disable() section remains preemtible. As a result high prior
> tasks (or threaded interrupts) will be blocked by lower-prio task (or
> threaded interrupts) which are long running which includes softirq
> sections.

Appears to not apply cleanly, please rebase