Module Name:	src
Committed By:	fvdl
Date:		Wed May  7 21:33:59 UTC 2003

Modified Files:
	src/sys/arch/x86/include: bus.h
	src/sys/arch/x86/isa: isa_machdep.c
	src/sys/arch/x86/pci: pci_machdep.c
	src/sys/arch/x86/x86: bus_dma.c

Log Message:
Generalize bounce buffers, and use them for 32 bit PCI if needed.
Make ALLOCNOW the default iff bouncing might be needed (this has
no effect on i386 because ISA DMA devices already had to use
ALLOCNOW, and PCI isn't bounced (yet), since we don't do > 4G
at this point for i386.


To generate a diff of this commit:
cvs rdiff -r1.1 -r1.2 src/sys/arch/x86/include/bus.h
cvs rdiff -r1.6 -r1.7 src/sys/arch/x86/isa/isa_machdep.c
cvs rdiff -r1.2 -r1.3 src/sys/arch/x86/pci/pci_machdep.c
cvs rdiff -r1.2 -r1.3 src/sys/arch/x86/x86/bus_dma.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.