On Fri, Dec 11, 2015 at 2:35 PM, Luck, Tony <tony.luck@xxxxxxxxx> wrote: >> Also, are there really PCOMMIT-capable CPUs that still forcibly >> broadcast MCE? If, so, that's unfortunate. > > PCOMMIT and LMCE arrive together ... though BIOS is in the decision > path to enable LMCE, so it is possible that some systems could still > broadcast if the BIOS writer decides to not allow local. I really wish Intel would stop doing that. > > But a machine check safe copy_from_user() would be useful > current generation cpus that broadcast all the time. Fair enough. --Andy -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>