Re: PI futexes + lock stealing woes

Gratian Crisan
2017-12-07T23:04:07Z

Julia Cartwright writes:

> On Thu, Dec 07, 2017 at 08:57:59AM -0600, Gratian Crisan wrote:
>>
>> Peter Zijlstra writes:
>> > The below compiles and boots, but is otherwise untested. Could you give
>> > it a spin?
>>
>> Thank you! Yes, I'll start a test now.
>
> I gave it a spin with my minimal reproducing case w/ the strategic
> msleep(). Previously, I could reproduce it in less than a minute in
> that setup; now it's been running for a couple hours. So ... looks
> good? :)

Yep ... looks good to me. I've been running two targets with the
original reproducer for 8 hours now plus a target running the C test.
All of them are still going.

I'm going to let them run overnight to make sure but I'm going to call
it fixed.

-Gratian