K 10 svn:author V 4 jeff K 8 svn:date V 27 2003-12-11T03:57:10.000000Z K 7 svn:log V 834 - Add support for CPU groups to ule. All SMT cores on the same physical cpu are added to a group. - Don't place a cpu into the kseq_idle bitmask until all cpus in that group have idled. - Prefer idle groups over idle group members in the new kseq_transfer() function. In this way we will prefer to balance load across full cores rather than add further load a partial core. - Before a cpu goes idle, check the other group members for threads. Since SMT cpus may freely share threads, this is cheap. - SMT cores may be individually pinned and bound to now. This contrasts the old mechanism where binding or pinning would have allowed a thread to run on any available cpu. - Remove some unnecessary logic from sched_switch(). Priority propagation should be properly taken care of in sched_prio() now. END