No, and it is becoming less common on RISC chips, at least. The Alpha
does TLB reloads in the PALcode (Privileged Architecture Library),
which is software, although running in a special privileged mode --
in some sense similar to SMM on Intel chips.
-hpa
-- PGP: 2047/2A960705 BA 03 D3 2C 14 A8 A8 BD 1E DF FE 69 EE 35 BD 74 See http://www.zytor.com/~hpa/ for web page and full PGP public key Always looking for a few good BOsFH. ** Linux - the OS of global cooperation I am Baha'i -- ask me about it or see http://www.bahai.org/