Red Hat engineer Leonardo Bras has laid out a proposal for QPWs, or "Queue PerCPU Work", as a better means of handling per-CPU operations within the Linux kernel especially for real-time (RT) workloads...
On Saturday morning a proposal was laid out for QPWs to replace work queues as what would just wrap around existing local_locks and workqueue behavior on non-RT kernels. But for real-time environment… [+2021 chars]