Re: [PATCH 7/7] microblaze: Do atomic operations by using exclusive ops

Boqun Feng
2020-02-13T11:34:42Z

On Thu, Feb 13, 2020 at 09:58:49AM +0100, Peter Zijlstra wrote:
[...]
>
> > Also is there any testsuite I should run to verify all these atomics
> > operations? That would really help but I haven't seen any tool (but also
> > didn't try hard to find it out).
>
> Will, Paul; can't this LKMM thing generate kernel modules to run? And do

The herd toolset does have something called klitmus:

"an experimental tool, similar to litmus7 that runs kernel memory model
tests as kernel modules."

I think Andrea knows more about how to use it.

> we have a 'nice' collection of litmus tests that cover atomic_t ?
>

There is a few in Paul's litmus repo:

https://github.com/paulmckrcu/litmus/tree/master/manual/atomic

Maybe a good start?

Regards,
Boqun

> The one in atomic_t.txt should cover this one at least.