perf(driver): minimize driver-side DMA submission overhead#18

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daeyeong-XCENA wants to merge 8 commits into

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dylee/perf/handlers_hot_conservative

Commits on Apr 23, 2026

perf(core): run submit/complete handlers as SCHED_FIFO low
daeyeong-XCENA
committed
perf(fops): pre-wake io handlers on DMA/ioctl entry
daeyeong-XCENA
committed
perf(core): bind io handlers to device-local NUMA cpumask
daeyeong-XCENA
committed
perf(pci): hold cpu_latency PM QoS to block deep C-states
daeyeong-XCENA
committed
perf(transfer): embed single-page storage in mx_transfer
daeyeong-XCENA
committed
perf(transfer): allocate mx_transfer from dedicated kmem_cache
daeyeong-XCENA
committed
perf(core_v1): pop_mx_command reads only fields used by completion path
daeyeong-XCENA
committed
perf(core_v1): skip MMIO refresh in is_pushable when cache has headroom
daeyeong-XCENA
committed