From 372b71c71052f117abe52e6826cc68caff123083 Mon Sep 17 00:00:00 2001 From: rnoland Date: Sun, 22 Mar 2009 21:00:58 +0000 Subject: Correct the documentation to reflect the fact that BUS_DMA_NOCACHE is a flag to bus_dmamem_alloc() rather than bus_dmamap_load(); Discussed with: kib MFC after: 3 days --- share/man/man9/bus_dma.9 | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) (limited to 'share') diff --git a/share/man/man9/bus_dma.9 b/share/man/man9/bus_dma.9 index 5850db6..dc5ae4b 100644 --- a/share/man/man9/bus_dma.9 +++ b/share/man/man9/bus_dma.9 @@ -561,15 +561,6 @@ Are as follows: .It Dv BUS_DMA_NOWAIT The load should not be deferred in case of insufficient mapping resources, and instead should return immediately with an appropriate error. -.It Dv BUS_DMA_NOCACHE -The allocated memory will not be cached in the processor caches. -All memory accesses appear on the bus and are executed -without reordering. -On the amd64 and i386 architectures this flag results in the -Strong Uncacheable PAT to be set for the allocated virtual address range. -The -.Dv BUS_DMA_NOCACHE -flag is currently implemented on amd64, i386 and sparc64. .El .El .Pp @@ -785,6 +776,15 @@ the flag is currently implemented on arm and sparc64. .It Dv BUS_DMA_ZERO Causes the allocated memory to be set to all zeros. +.It Dv BUS_DMA_NOCACHE +The allocated memory will not be cached in the processor caches. +All memory accesses appear on the bus and are executed +without reordering. +On the amd64 and i386 architectures this flag results in the +Strong Uncacheable PAT to be set for the allocated virtual address range. +The +.Dv BUS_DMA_NOCACHE +flag is currently implemented on amd64, i386 and sparc64. .El .It Fa mapp Pointer to a -- cgit v1.1