> > On Aug 25, 2004, at 7:22 AM, Mark Chambers wrote: > > > The main value, I believe, is as part of a rapid boot setup - you can > > avoid the decompress and copy phase. >
Dan Malek responded: > The XIP has little effect on this. Wolfgang hit the important points. > I originally did XIP on the 8xx many years ago for an embedded > appliance that was DRAM challenged. It saved a little memory, > but along with it came the pinned TLB which helped a little with > performance. > I guess I wasn't basing my comment exclusively on 8xx, but thinking more of the general linux quick boot work being done, as in this paper from the linux 2004 symposium (see section 4): http://www.finux.org/Reprints/Reprint-Bird-OLS2004.pdf So, in other words, maybe XIP will come back again? ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
