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Thu, 12 Feb 2026 06:09:29 -0800 (PST) Message-ID: <0576dcec-3e8f-4e77-b532-052ae8c6137e@kernel.dk> Date: Thu, 12 Feb 2026 07:09:28 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/1] block/blk-mq: use atomic_t for quiesce_depth to avoid lock contention on RT To: Hillf Danton , "Ionut Nechita (Wind River)" Cc: torvalds@linux-foundation.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, bigeasy@linutronix.de References: <20260212132644.2998-1-hdanton@sina.com> Content-Language: en-US From: Jens Axboe In-Reply-To: <20260212132644.2998-1-hdanton@sina.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2/12/26 6:26 AM, Hillf Danton wrote: > On Thu, 12 Feb 2026 09:14:18 +0200 Ionut Nechita (Wind River) wrote: >> >> PREEMPT_RT has been merged into mainline since v6.12. There is no >> separate RT tree for this kind of fix anymore. The spinlock in question > > https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/ Hillf, just stop. Not just this thread, but replying in general. It's always useless, time wasting, and unproductive. -- Jens Axboe