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AJvYcCXyMJH4cuNzHOg9mD9U+KgB7kwJByL+KGyuASoDT/HlcvvlCDxNg9W+eql+EHKWaIlK+I+Hru4=@vger.kernel.org X-Gm-Message-State: AOJu0YwpbtzJHTDjQXQ5ElFbHgtdU7zzi32l60m+HNaT8hQiXPRKWGY1 wjgQlV1KalpKE9zQXFtfcylti8UGcJpUdY2IlEe387TgZPfsSnyRkmyv4OvQfro= X-Google-Smtp-Source: AGHT+IEcVspPJX4rn6qrwIEknWXoGvCdqiyWe0o9sFNLwhGQ4L8zpn2t0HOZ3tCOxfV0NxgDaoDFcg== X-Received: by 2002:a05:6a00:21c1:b0:70d:2708:d7ec with SMTP id d2e1a72fcca58-715dfaeac85mr30870820b3a.5.1725629636689; Fri, 06 Sep 2024 06:33:56 -0700 (PDT) Received: from [192.168.1.150] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-718e01265f5sm251840b3a.91.2024.09.06.06.33.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Sep 2024 06:33:56 -0700 (PDT) Message-ID: <08c550af-1e83-4372-ae21-003931b77927@kernel.dk> Date: Fri, 6 Sep 2024 07:33:54 -0600 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH][6.1][0/2] io_uring: Do not set PF_NO_SETAFFINITY on poller threads To: Felix Moessbauer , stable@vger.kernel.org Cc: io-uring@vger.kernel.org, cgroups@vger.kernel.org, asml.silence@gmail.com, dqminh@cloudflare.com, longman@redhat.com, adriaan.schmidt@siemens.com, florian.bezdeka@siemens.com References: <20240906095321.388613-1-felix.moessbauer@siemens.com> Content-Language: en-US From: Jens Axboe In-Reply-To: <20240906095321.388613-1-felix.moessbauer@siemens.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/6/24 3:53 AM, Felix Moessbauer wrote: > Setting the PF_NO_SETAFFINITY flag creates problems in combination with > cpuset operations (see commit messages for details). To mitigate this, fixes have > been written to remove the flag from the poller threads, which landed in v6.3. We > need them in v6.1 as well. Putting these in 6.1-stable is fine imho. -- Jens Axboe