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SubjectRe: Alternative to signals/sys_membarrier() in liburcu
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On Thu, 2015-03-12 at 14:12 -0700, Paul E. McKenney wrote:
>
> Are there any architectures left that use hardware-assisted global
> TLB invalidation?

ARM and PowerPC at least...

Cheers,
Ben.

> On such an architecture, you might not get a memory
> barrier except on the CPU executing the mprotect() or munmap().
>
> (Here is hoping that no one does -- it is a cute abuse^Whack
> otherwise!)
>
>




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