Andrew Waterman 44fb3be7d0 Fix MMIO/cache refill concurrency bug in DCache ... There's a structural hazard on s2_req, so disallow cache refill initiation while any MMIO loads are in flight.		2017-03-28 17:16:29 -07:00
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scala	Fix MMIO/cache refill concurrency bug in DCache	2017-03-28 17:16:29 -07:00