On Thursday 06 December 2007 21:22:25 Jared Hulbert wrote:
> > > I have'nt looked at it yet. I do appreciate it, I think it might
> > > broaden the user-base of this feature which is up to now s390 only due
> > > to the fact that the flash memory extensions have not been implemented
> > > (yet?). And it enables testing xip on other platforms. The patch is on
> > > my must-read list.
> >
> > query: which feature is currently s390 only? (Execute In Place?)
>
> I think so. The filemap_xip.c functionality doesn't work for Flash
> memory yet. Flash memory doesn't have struct pages to back it up with
> which this stuff depends on.
Um, trying to clarify: S390. Also known as zSeries, big iron machine, uses
its own weird processor design rather than x86, x86-64, arm, or mips
processors.
How does "struct page" enter into this?
What I want to know is, are you saying execute in place doesn't work on things
like arm and mips? (I so, I was unaware of this. I heard about somebody
getting it to work on a Nintendo DS:
http://forums.maxconsole.net/showthread.php?t=18668 )
Rob
--
"One of my most productive days was throwing away 1000 lines of code."
- Ken Thompson.
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