Hi Johannes,
> > is_suspended flag can be accessed by multiple threads.
> > Use atomic variable type for is_suspended to ensure that there
> > are no undefined behaviours.
>
> atomic_t doesn't do what you seem to think it does, this patch is
> completely bogus.
>
Thank you for your comment. Perhaps we need spinlocks here to prevent the possible races.
Hi John, please drop this patch.
Thanks,
Bing
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