Userspace currently busywaits for fences to complete; on my workload, this
busywait consumes 10% of the available CPU time.
Provide an ioctl so that userspace can wait for an EOP interrupt that
corresponds to a previous EVENT_WRITE_EOP.
Signed-off-by: Simon Farnsworth
---
There's debate ongoing
Userspace currently busywaits for fences to complete; on my workload, this
busywait consumes 10% of the available CPU time.
Provide an ioctl so that userspace can wait for an EOP interrupt that
corresponds to a previous EVENT_WRITE_EOP.
Signed-off-by: Simon Farnsworth
---
There's debate ongoing
