On 10/6/2015 5:59 PM, Chuck Lever wrote:
The reply tasklet is fast, but it's single threaded. After reply
traffic saturates a single CPU, there's no more reply processing
capacity.
Replace the tasklet with a workqueue to spread reply handling across
all CPUs. This also moves RPC/RDMA reply handling out of the soft
IRQ context and into a context that allows sleeps.
Hi Chuck,
I'm probably missing something here, but do you ever schedule in
the workqueue context? Don't you need to explicitly schedule after
a jiffie or so the code works also in a non fully preemptable kernel?
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