Re: [PATCH 3/4] common/module: add a patient module rmmod

[Luis Chamberlain]

On Tue, Jul 27, 2021 at 01:10:44PM -0700, Luis Chamberlain wrote:
> Furthermore... experience on older kernels shows it may be a while
> before we can actually remove the module even *after*
> /sys/module/$module/refcnt is 0. This is only currently observed
> on older kernels.

Sadly this is incorrect, after running a test without any sleep
once refcnt is 0 also fails on linux-next, just that the failure rate
is much lower, at about ~ 1/1642.

So the sleep is still relevant even if testing with linux-next.

  Luis