Opteron 6100-series "Magny-Cours" [Was: [HEADSUP] new x86 smp topology detection code]

2016-04-07 Thread Andriy Gapon
If anyone uses FreeBSD head on a system with "Magny-Cours" CPU(s), could you please test the following patch? http://dpaste.com/0XRSXZB.txt I am interested in kern.sched.topology_spec sysctl before and after the patch. Also, lines containing "ID shift" from a dmesg of a verbose boot (before and

[HEADSUP] new x86 smp topology detection code

2016-04-04 Thread Andriy Gapon
I've just committed new code for detecting SMP (processor and cache) topology on x86 systems. Please be aware. If you get any panics or crashes that look like they might be caused by this change please send a copy of a report to me. Another thing to watch is kern.sched.topology_spec. Please