freebsd-skq/sys/i386
John Baldwin 69296991a2 More properly handle links who only have 1 valid IRQ in their bitmask. The
old code special cased them too early which caused a few differences for
these sort of links relative to other PCI links:

- They were always re-routed via the BIOS call instead of assuming that
  they were already routed if the BIOS had programmed the IRQ into a
  matching device during POST.
- If the BIOS did route that link to a different IRQ that was marked as
  invalid, we trusted the $PIR table rather than the BIOS IRQ.

This change moves the special casing for "unique IRQ" links to only take
that into account when picking an IRQ for an unrouted link so that these
links will now not be routed if the BIOS appears to have routed it already
(some BIOSen have problems with that) and so that if the BIOS uses a
different IRQ than the $PIR, we trust the BIOS routing instead (this is
what we do for all other links as well).

Reported by:	Bruce Walter  walter of fortean com
MFC after:	1 week
2007-12-21 16:53:27 +00:00
..
acpica This is a follow-up, cleaning-up commit about recent changes involving 2007-09-11 22:54:09 +00:00
bios Hold Giant over the entire execution of the suspend path instead of 2007-12-06 01:39:23 +00:00
compile
conf Add the 'hptrr' driver for supporting the following Highpoint RocketRAID 2007-12-15 00:56:17 +00:00
cpufreq Use bus_dma to get a page in the first 4 GB. Since the physical address 2007-06-17 07:18:23 +00:00
i386 Fix previous commit. The code ended up in the wrong function. 2007-12-16 20:37:27 +00:00
ibcs2 Fix for the panic("vm_thread_new: kstack allocation failed") and 2007-11-05 11:36:16 +00:00
include Kernel and hwpmc(4) support for callchain capture. 2007-12-07 08:20:17 +00:00
isa Don't use plain "ret" instructions at targets of jump instructions, 2007-11-29 02:01:21 +00:00
linux Implement read_default_ldt in linux_modify_ldt(). It copies out zeroed 2007-11-26 11:06:19 +00:00
pci More properly handle links who only have 1 valid IRQ in their bitmask. The 2007-12-21 16:53:27 +00:00
svr4 Use svr4_si_{addr,code,errno,signo,trap} in preference to si_{...}. 2005-10-19 14:59:54 +00:00
xbox - Define data of struct gfb_font a const as it's only used to supply font 2007-06-16 21:31:53 +00:00
Makefile Update entries for building tags. 2007-05-13 18:21:54 +00:00