Messages in this thread | | | Date | Thu, 6 Feb 2014 12:45:17 +0100 | From | Peter Zijlstra <> | Subject | Re: mips octeon memory model questions |
| |
On Tue, Feb 04, 2014 at 11:51:31AM -0800, David Daney wrote: > On OCTEON, SC implies a SYNC operation for the target memory location. So > the "SC b" is ordered before any writes that come after the SC.
Ah, that makes it all come together. I was thrown by octeon initially having WEAK_REORDERING_BEYOND_LLSC set and thus thinking there were no implied barriers.
Thanks David.
| |