freebsd-dev/sys/x86
Scott Long de569d9181 Eliminate the fake contig_dmamap and replace it with a new flag,
BUS_DMA_KMEM_ALLOC.  They serve the same purpose, but using the flag
means that the map can be NULL again, which in turn enables significant
optimizations for the common case of no bouncing.

Obtained from:	Netflix, Inc.
MFC after:	3 days
2014-05-27 21:31:11 +00:00
..
acpica Change default logic to CONFORM because this routine is shared 2014-03-28 02:38:14 +00:00
bios Add missing header needed by free(9). 2012-09-30 15:42:20 +00:00
cpufreq Do not DELAY() for P-state transition unless we want to see the result. 2013-12-10 20:25:43 +00:00
include Whitespace fix. 2014-05-22 18:13:17 +00:00
iommu Re-implement the DMAR I/O MMU code in terms of PCI RIDs 2014-04-01 15:48:46 +00:00
isa Remove vestiges of knowing the ISA bus, which we gave up on around 20 2014-03-19 21:03:04 +00:00
pci Add support for managing PCI bus numbers. As with BARs and PCI-PCI bridge 2014-02-12 04:30:37 +00:00
x86 Eliminate the fake contig_dmamap and replace it with a new flag, 2014-05-27 21:31:11 +00:00
xen Make this compile with gcc. 2014-04-05 22:43:18 +00:00