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Tue, 16 Jan 2024 22:30:56 -0800 (PST) X-Google-Smtp-Source: AGHT+IG2GplJGaFxrXJ/X+uhNLOl6Slr6TDjgFHOphZ878h+fUERTtk0O6cNXHzF9cPdHxwpi5kdEg== X-Received: by 2002:ad4:5d6a:0:b0:680:b48c:b54b with SMTP id fn10-20020ad45d6a000000b00680b48cb54bmr11146717qvb.102.1705473056478; Tue, 16 Jan 2024 22:30:56 -0800 (PST) Received: from localhost.localdomain ([151.29.130.8]) by smtp.gmail.com with ESMTPSA id t12-20020a0cde0c000000b006816edd1979sm1115431qvk.140.2024.01.16.22.30.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Jan 2024 22:30:56 -0800 (PST) Date: Wed, 17 Jan 2024 07:30:52 +0100 From: Juri Lelli To: Tejun Heo Cc: Lai Jiangshan , Aaron Tomlin , Valentin Schneider , Waiman Long , linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 2/4] kernel/workqueue: Bind rescuer to unbound cpumask for WQ_UNBOUND Message-ID: References: <20240116161929.232885-1-juri.lelli@redhat.com> <20240116161929.232885-3-juri.lelli@redhat.com> 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-Disposition: inline In-Reply-To: Hello, On 16/01/24 08:47, Tejun Heo wrote: > On Tue, Jan 16, 2024 at 05:19:27PM +0100, Juri Lelli wrote: > > At the time they are created unbound workqueues rescuers currently use > > cpu_possible_mask as their affinity, but this can be too wide in case a > > workqueue unbound mask has been set as a subset of cpu_possible_mask. > > > > Make new rescuers use their associated workqueue unbound cpumask from > > the start. > > > > Signed-off-by: Juri Lelli > > Apply 1-2 to wq/for-6.9. Thank you! Best, Juri