atomic ops
John Baldwin
jhb at freebsd.org
Wed Oct 29 18:14:15 UTC 2014
On Wednesday, October 29, 2014 2:03:50 pm Ian Lepore wrote:
> I hadn't realized it when I wrote that, but Andy was speaking in the
> context of armv8, which has a true load-acquire instruction. In our
> current code (armv6 and 7) we need the explicit dmb/dsb barriers to get
> the same effect. (It turns out we do have barriers, I misspoke earlier,
> but some of our dmb need to be dsb.)
Ah, ok. Fair enough. :)
--
John Baldwin
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