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Miller" , Daniel Bristot de Oliveira , Boqun Feng , Daniel Borkmann , Eric Dumazet , Frederic Weisbecker , Ingo Molnar , Paolo Abeni , Peter Zijlstra , Thomas Gleixner , Waiman Long , Will Deacon 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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