On Tue, 2017-08-22 at 16:02 -0500, nxf23276 wrote:
> Calls to udelay are not preemtable by userspace so userspace
> applications experience a large (~200us) latency when running on
> core
> 0. Instead usleep_range can be used to be more friendly to
> userspace
> since it is preemtab
Calls to udelay are not preemtable by userspace so userspace
applications experience a large (~200us) latency when running on core
0. Instead usleep_range can be used to be more friendly to userspace
since it is preemtable. This is due to udelay using busy-wait loops
while uslee
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