freebsd-nq/sys/amd64
John Baldwin 8e8f0765ab Flip the switch and don't route interrupts to hyperthreads in a HT system.
In at least one benchmark this showed around a 20% performance increase.
If other workloads do benefit from having hyperthreads service interrupts,
we can always make this a loader tunable.

MFC after:	3 days
Tested by:	ps
2006-03-09 16:38:52 +00:00
..
acpica Catch up with ACPI-CA 20051021 import 2005-11-01 22:44:08 +00:00
amd64 Flip the switch and don't route interrupts to hyperthreads in a HT system. 2006-03-09 16:38:52 +00:00
compile
conf MFi386 revision 1.1220: options TDFX_LINUX --> device tdfx_linux 2006-03-06 15:29:28 +00:00
ia32 Simplify system time accounting for profiling. 2006-02-08 08:09:17 +00:00
include guard function decls with _KERNEL so user code can include this file 2006-03-01 05:59:56 +00:00
isa Rework how we wire up interrupt sources to CPUs: 2006-02-28 22:24:55 +00:00
linux32 Fix exec_map resource leaks. 2006-03-08 20:21:54 +00:00
pci - Make pcib_devclass private to sys/dev/pci/pci_pci.c and change all the 2006-01-06 19:22:19 +00:00
Makefile