On Tue, Aug 07, 2012 at 06:33:44PM +0100, Will Deacon wrote:
> What I think is happening is that B writes the -1 in __mutex_lock_common
> and, after seeing a NULL owner (C may not have set that yet), drops through
> to the:
>
> if (atomic_xchg(&lock->count, -1) == 1)
> goto done;
Sorry, should have proofread that. I meant to say:
What I think is happening is that B writes the -1 in __mutex_lock_common
after seeing a NULL owner (C may not have set that yet) and dropping through
to the:
if (atomic_xchg(&lock->count, -1) == 1)
goto done;
Will
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