Critics on L4 (NOT Re: shared memory Beispiel?)

[Gernot Heiser]

>>>>> On Fri, 02 Sep 2005 09:36:06 +1000, Daniel Potts <danielp at cse.unsw.edu.au> said:
DP> On Fri, 2005-09-02 at 09:23 +1000, Benno wrote:
>> On Fri Sep 02, 2005 at 01:13:40 +0200, Adam Lackorzynski wrote:
>> >On Wed Aug 31, 2005 at 21:00:16 +0800, yuan Darwin-r62832 wrote:
>> >> >When those features are going to be implemented?
>> >> >
>> >> Fiasco implements IO Flexpages. Neither Redirectors nor Clans and Chiefs 
>> >> are currently implemented in Fiasco and probably never will. I cannot 
>> >> speak for plans regarding Pistachio.
>> >> 
>> >> [Darwin Yuan] I didn't read the source code of Fiasco. However, from
>> >> the documents I got from its website, I found that Clans & Chiefs was
>> >> implemented in its kernel ( It might be removed now). But I don't
>> >
>> >C&C were never implemented, and will never be, in any kernel.
>> 
>> Thats not entirely true. L4/Mips from UNSW had C&C implemented in it.

DP> L4/Alpha too :)

And just for completeness sake: redirectors are implemented at
NICTA/UNSW in an experimental version aimed at embedded systems. That
version isn't released (but feel free to contact us if you want to
know more).

Gernot