Re: Question about L4/Fiasco running the kernel with interrupts disable
Adam Lackorzynski <[email protected]>
| Newsgroups | gmane.comp.micro-kernel.l4.devel |
|---|---|
| Message-ID | <[email protected]> |
On Wed Apr 08, 2015 at 14:10:44 +0800, [email protected] wrote: > > Hi all， > I have read the wikipedia website of L4 kernel(http://en.wikipedia.org/wiki/L4_microkernel_family), it says that L4/Fiasco was designed "fully preemptible to achieve a low interrupt latency " at first, however "the complexities of a fully preemptible design resulted in later versions of Fiasco to return to the traditional L4 approach of running the kernel with interrupts disabled ". > I am very interested in the kernel's interrupt latency. I have check the latest versions of Fiasco kernel in running, and it keeps interrupts disabled indeed. > So I wonder whether there was any early version of L4/Fiasco which supported fully preemptible? > Or was there any article talked about this ? You, and your colleage, should look at this dissertation: http://os.inf.tu-dresden.de/papers_ps/hohmuth-phd.pdf Adam -- Adam [email protected] Lackorzynski http://os.inf.tu-dresden.de/~adam/ _______________________________________________ l4-hackers mailing list [email protected] http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers