Carl van Schaik wrote: > Hi All, > > It seems the rdhwr emulation is used/proposed for accessing the thread > word in NPTL. > I've been reading some of the posts from 2005 about this choice of this > and what I have missed is anyone talking about using the "k0" register > for TLS. It seems logical that the kernel could always restore k0 on > returning to user-land and having k1 only for the last part of returning > to user is sufficient. Any reason why this was not looked at? The TLB handlers need k0/k1 as well and have no good place to save/restore a register. Thiemo
