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2930155b2e
During boot, to initialize unbound CPU pods, wq_pod_init() was called from workqueue_init(). This is early enough for NUMA nodes to be set up but before SMP is brought up and CPU topology information is populated. Workqueue is in the process of improving CPU locality for unbound workqueues and will need access to topology information during pod init. This adds a new init function workqueue_init_topology() which is called after CPU topology information is available and replaces wq_pod_init(). As unbound CPU pods are now initialized after workqueues are activated, we need to revisit the workqueues to apply the pod configuration. Workqueues which are created before workqueue_init_topology() are set up so that they always use the default worker pool. After pods are set up in workqueue_init_topology(), wq_update_pod() is called on all existing workqueues to update the pool associations accordingly. Note that wq_update_pod_attrs_buf allocation is moved to workqueue_init_early(). This isn't necessary right now but enables further generalization of pod handling in the future. This patch changes the initialization sequence but the end result should be the same. Signed-off-by: Tejun Heo <tj@kernel.org> |
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| .. | ||
| .gitignore | ||
| build-version | ||
| calibrate.c | ||
| do_mounts_initrd.c | ||
| do_mounts_rd.c | ||
| do_mounts.c | ||
| do_mounts.h | ||
| init_task.c | ||
| initramfs.c | ||
| Kconfig | ||
| main.c | ||
| Makefile | ||
| noinitramfs.c | ||
| version-timestamp.c | ||
| version.c | ||