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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: qTJ9B7p2R8BgYKKwyyJ3pfaZy09gyK5UptA09N0omMxK8Y2rGx3c6+rQ4/qipHoUILwkq5vxwJTg4w3gTobB42recJUlan6aWaBcEd0hSv9wjObZJ6dANL05/5ADUWgeRb0OF2BBM1rSA8pO2C+WXGdB1Lb6VkpkvlRy6aAQqAEwOLnaCoUaZE+2CdOYCJ0F2RK7nlitXxsIHSsN9tfsHYCOtzY17GPVwKiF22KFarAHGt9ESB5YJzqBFEdpl08xyvAcOCnkFnxX4KyQ3zk03purfuZYZB4H13Um4HJ6qVb1PDd9K912tPi0Y2PPEr9lSWZaXZ+qjZcyvB/jAbCPw9YhNhlo+6+81NB1ScbTPOHr2QB9uX0aRqE8W5Fp0lvoa516MBCzFFtx+u1/y6hPSUFYhtS/hrjGZEHsJGtYWnAsuCEgdU1K+ojBiHX10JZu X-Exchange-RoutingPolicyChecked: F9Q0vEOKJVKluRjEDhetqU+Ah8FDvvYXR1gyskCkgFA5v7bro+HZQPCIAl2imzE8W7JtYOlj7G2OsbzBKbmJBMMHesLGbjio9Htd6lUDfNK4Od6rnB5VqkNaqm9Q5z02pkdtxCuEJSxQtWV2jFeVBMoC2QWe/yRFfht/htuYhXt5rBiWsWLnU9bJXGtHQR4OyboYxZCr9qv8+faK0WSuWm2iN1d9RtNqGg6+IwpyaDdramgMvBmwZofiHRCGdvAWvsw5TrL9wXVBizmOf7HJr4sQiEk9+irnXsZBqCnmg1O5dUZamoROtJH6FvZOHd4z6lijWPtA/zJqwD/TYiUlNQ== X-OriginatorOrg: opensource.cirrus.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 May 2026 15:17:59.1449 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 463169d1-2d79-47fc-7204-08dead14fd49 X-MS-Exchange-CrossTenant-Id: bec09025-e5bc-40d1-a355-8e955c307de8 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=bec09025-e5bc-40d1-a355-8e955c307de8;Ip=[84.19.233.75];Helo=[edirelay1.ad.cirrus.com] X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: TreatMessagesAsInternal-BN3PEPF0000B06D.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR19MB6577 X-Proofpoint-GUID: fAtXnt5x6oB8Ie9scYfevpSOz-5eAHfD X-Proofpoint-ORIG-GUID: fAtXnt5x6oB8Ie9scYfevpSOz-5eAHfD X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA4MDE1MyBTYWx0ZWRfXwynZKSzQUFbU UoWRc5zCguIQaXQeM+OnsB9YRstFwgu5Wfk4ySjDGfgY/tz9QDqrVXfZ5YYV+3YhuXjHjLFTjjU GJSsmX4l7Lj6Wu+QSHuFjcbfhvCLTtya2QVyr3YP/g9uZiVMlCWWcpiXPj/qeP+3PwUrK/NJVN6 gFvJnr8B+VCk5ZecaptAON7lVc0Gbd0tZ9pgv+WcOPw401izforFu2EqXgucRMqO4peFKMWY1XF 3u4arVT+DeKHx6Zwk79aOrW46bgUqB8c/cfAjjAYec58drGPpNIbXF36TNNgaIwCy3P9za7F0Gl 7hjcOC8hKKL4a7Qzz7QEtTKOEJp4Og+W7H6btKXc8gIEpuEJBNkuACLndAgbwgvPI9ZiCCChWyC 5Kqy39l4FRQMmyx2GtYUuGJlK1TIVtDQgwg9H3Gv7vEgZZ3v/9w3gB2CuXw81L8rs42yNxjV8xm VX3eYjD9eh4tscD1lyQ== X-Authority-Analysis: v=2.4 cv=Nc/WEWD4 c=1 sm=1 tr=0 ts=69fdfead cx=c_pps a=dTGz0tuhMYfsSU3NwIzouA==:117 a=h1hSm8JtM9GN1ddwPAif2w==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=8nJEP1OIZ-IA:10 a=NGcC8JguVDcA:10 a=s63m1ICgrNkA:10 a=RWc_ulEos4gA:10 a=VkNPw1HP01LnGYTKEx00:22 a=iX4cTi3TZMoOKdANLEfx:22 a=KfkQE9S9VqCBgivYGm0O:22 a=w1d2syhTAAAA:8 a=iox4zFpeAAAA:8 a=gjnNrjkLmPs1wrZNC7IA:9 a=3ZKOabzyN94A:10 a=wPNLvfGTeEIA:10 a=O8hF6Hzn-FEA:10 a=WzC6qhA0u3u7Ye7llzcV:22 X-Proofpoint-Spam-Reason: safe On Fri, May 08, 2026 at 05:03:18PM +0200, Marco Crivellari wrote: > Move long delayed work on system_dfl_long_wq > > Currently the code enqueue work items using {queue|mod}_delayed_work(), > using system_long_wq. This workqueue should be used when long works are > expected and it is a per-cpu workqueue. > > The function(s) end up calling __queue_delayed_work(), which set a global > timer that could fire anywhere, enqueuing the work where the timer fired. > > Unbound works could benefit from scheduler task placement, to optimize > performance and power consumption. Long work shouldn't stick to a single > CPU. > > Recently, a new unbound workqueue specific for long running work has > been added: > >     c116737e972e ("workqueue: Add system_dfl_long_wq for long unbound works") > > Since the workqueue work doesn't rely on per-cpu variables, there is no > obvious reason that justify the use of a per-cpu workqueue. So change > system_long_wq with system_dfl_long_wq so that the work may benefit from > scheduler task placement. > > Cc: David Rhodes > Cc: Richard Fitzgerald > Cc: > Signed-off-by: Marco Crivellari > --- Reviewed-by: Charles Keepax Thanks, Charles