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Re: Synchronizing auxiliary mutex data
On Jun 20 2017, Torvald Riegel <firstname.lastname@example.org> wrote:
> I described exactly that above. It is guaranteed for the code above by
> the memory model. Implementations of the memory model (so in our case,
> the compiler and the HW) have to ensure that. For example, in the x86
> memory model, acquire and release MO are implicit, so because the
> compiler is not allowed to reorder in this case, the HW ensures that
> lock()'s write to owner happens after unlock's write to owner.
What about the read in the locking thread?
Andreas Schwab, SUSE Labs, email@example.com
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