On Wed, Dec 09, 2015 at 12:06:33PM +1100, NeilBrown wrote:
> On Tue, Dec 08 2015, Peter Zijlstra wrote:
>
> >>
> >
> > *sigh*, so that patch was broken.. the below might fix it, but please
> > someone look at it, I seem to have a less than stellar track record
> > here...
>
> This new change seems to be more intrusive than should be needed.
> Can't we just do:
>
>
> __sched int bit_wait(struct wait_bit_key *word)
> {
> + long state = current->state;
No, current->state can already be changed by this time.
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