2012/1/28 Ryan Stone <[email protected]>: > On Fri, Jan 27, 2012 at 10:41 PM, Attilio Rao <[email protected]> wrote: >> I think what you found out is very sensitive. >> However, the patch is not correct as you cannot call >> cpuset_setthread() with thread_lock held. > > Whoops! I actually discovered that for myself and had already fixed > it, but apparently I included an old version of the patch in the > email. > >> Hence this is my fix: >> http://www.freebsd.org/~attilio/cpuset_root.patch > > Oh, I do like this better. I tried something similar myself but > abandoned it because I misread how sched_affinity() was implemented by > 4BSD(I had gotten the impression that once TSF_AFFINITY is set it > could never be cleared).
Do you have a pathological test-case for it? Are you going to test the patch? Thanks, Attilio -- Peace can only be achieved by understanding - A. Einstein _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[email protected]"
