On Sat, Aug 28, 2021 at 3:12 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > BTW, is #MC triggered on stored to a poisoned cacheline? Existence of CLZERO > would seem to argue against that... No #MC on stores. Just on loads. Note that you can't clear poison state with a series of small writes to the cache line. But a single 64-byte store might do it (architects didn't want to guarantee that it would work when I asked about avx512 stores to clear poison many years ago). -Tony
