I don't think we want to pick up maintenance of this kernel patch... - Jim
On Sat, 2008-08-16 at 18:32 -0400, Benjamin M. Schwartz wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > victor wrote: > | Is that documented? I don't see it in man page. I can try it, if > | I have a code example (says there it does not take a priority > | value, so is it just a matter of setting the policy?) > > Unfortunately, SCHED_ISO is only available in a patch by Con Kolivas, the > latest version of which is for 2.6.22. It seems that no one has attempted > to maintain that patch for newer kernels. Someone would have to put in > quite a bit of work to maintain it for newer kernels, though it appears > that the mainline scheduler authors would potentially like to include > SCHED_ISO functionality. > > I also noticed another new scheduler patch from just this week: > http://article.gmane.org/gmane.linux.kernel/719589 shows a new patch that > provides SCHED_SPORADIC, which appears to be a different sort of safe > real-time scheduler. I am less familiar with it, though it is drawn > directly from the POSIX spec. > > In any event, I think it is more practical to try to hunt down the > regression in the OLPC kernel than to attempt fancy real-time stuff. > Perhaps someone can assist Victor in a kernel bisection to find the change? > > - --Ben > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.9 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iEYEARECAAYFAkinVYAACgkQUJT6e6HFtqRVFACfRyTFMqIQ3MruUcI9k8qaPJot > XaAAmQEWXXAK7ZGBsUK1krwoQ3glbusI > =NnsJ > -----END PGP SIGNATURE----- > _______________________________________________ > Devel mailing list > Devel@lists.laptop.org > http://lists.laptop.org/listinfo/devel -- Jim Gettys <[EMAIL PROTECTED]> One Laptop Per Child _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel