[parisc-linux] Re: RFC: mmap patch

[Randolph Chung]

In reference to a message from Matthew Wilcox, dated Mar 06:
> > In my opinion this patch is a hack workaround for a real bug. parisc is
> > not the only architecture that has virtual tagged caches.  Some mips
> > machines, sparc and ultrasparc machines have virtual tagged caches,
> > although none of them have virtual tagged caches as large as parisc (the
> > other architectures typically have a larger physical cache at a higher
[...]
> 1) This patch tausq did.  Now we flush both user & kernel mappings for the
> data.

I should mention that this is almost exactly what arm does as well.

randolph
-- 
Randolph Chung
Debian GNU/Linux Developer, hppa/ia64 ports
http://www.tausq.org/