On Fri, 7 May 2021 16:42:25 +1000, Michael Ellerman wrote:
> We recently discovered some of our mitigation patching was not safe
> against other CPUs running concurrently.
>
> Add a test which enable/disables all mitigations in a tight loop while
> also running some stress load. On an unpatched
We recently discovered some of our mitigation patching was not safe
against other CPUs running concurrently.
Add a test which enable/disables all mitigations in a tight loop while
also running some stress load. On an unpatched system this almost always
leads to an oops and panic/reboot, but we