[okl4-developer] Announcing availability of OKL4 2.1 & OK Linux 2.6.23.17

[Abi Nourai]

Hi Jorge,

It remains a kernel scheduler.  It does away with lazy scheduling and  
so now the scheduling queue only contains strictly runnable threads.

Regards
Abi

On 17/04/2008, at 4:57 AM, Jorge Torres wrote:
> Hi,
>
> I'm just about to download it, but I wonder Is this new O(1)  
> scheduler a "usermode" scheduler?, or does it remain inside the  
> kernel,
>
> All the best,
>
> jorge
>
>
> On 4/16/08, Abi Nourai <anourai at ok-labs.com> wrote: Hello all,
>
> I'm pleased to announce the release of OKL4 2.1 for ARM and IA-32
> processors to the OK Labs Developers Community.
>
> OKL4 2.1 represents a significant milestone in OKL4's evolution, and
> brings with it a plethora of new innovation and enhancements to our
> core product.  For a taste of what's new, check out a summary of the
> changelog further down.
>
> With OKL4 2.1, we're also making available OK Linux 2.6.23.17 (based
> off Linux 2.6.23).  And in response to the needs of our rapidly
> growing Developers Community, we're also releasing a set of three user
> manuals covering the OKL4 kernel, root server (Iguana) and system-
> configuration tool (Elfweaver).
>
> To download the newly released versions of OKL4, OK Linux and
> associated user manuals, please head on over to http://wiki.ok-
> labs.com/ and visit the 'Downloads' section.  We will continue to make
> available past releases, and in particular, OKL4 1.5.2 which serves as
> the most current release for MIPS targets.
>
>
> A summary of some of the key changes between OKL4 2.0 and 2.1 is
> provided in the following:
>     * Introduction of our capability-based security model
>     * Additional reductions to static and dynamic memory footprint
>     * Additional performance improvements
>         - Enhanced virtualization of interrupts to further improve
> interrupt latency
>         - Introduced a new O(1) scheduler designed with multi-
> threaded and multi-core systems in mind
>         - Further performance improvements made to OKL4 and OK Linux
> on IA-32
>     * Extended OKL4 with kernel support for synchronization (mutex)
> objects
>     * Extended OKL4 with kernel support for deadlock avoidance (via
> priority inheritance)
>     * Further enhancements to the OKL4 Driver Framework aimed at
> easing development of device drivers
>     * Implementation of POSIX C Library and pthreads functionality
> directly over OKL4
>
>
> Over the coming weeks, we'll be discussing some of the new things in
> OKL4 2.1 in more detail on the Developers' mailing list, so do stay
> tuned !
>
>
> On behalf of the OK Labs Team, I'd like to thank all community members
> for their ongoing support of OKL4, and hope that the new release
> serves you well.
>
>
> Warm regards
> Abi
>
> _______________________________________________
> Developer mailing list
> Developer at okl4.org
> https://lists.okl4.org/mailman/listinfo/developer
>