>> But a machine check safe copy_from_user() would be useful >> current generation cpus that broadcast all the time. > > Fair enough. Thanks for spending the time to look at this. Coaxing me to re-write the tail of do_machine_check() has made that code much better. Too many years of one patch on top of another without looking at the whole context. Cogitate on this series over the weekend and see if you can give me an Acked-by or Reviewed-by (I'll be adding a #define for BIT(63)). -Tony ��.n������g��� �a��� �&ޖ)���)��h���&������梷���� �Ǟ�m������)������^�����������v���O��zf������