diff options
| author | Jason Wright <jason@cvs.openbsd.org> | 2001-06-29 02:10:06 +0000 |
|---|---|---|
| committer | Jason Wright <jason@cvs.openbsd.org> | 2001-06-29 02:10:06 +0000 |
| commit | 1825a3fb7aea273933e6b57f370e5456801880aa (patch) | |
| tree | 934b737cf5f26f2e137976636dc9df219466fc7b /share | |
| parent | c3461633cdb8cbf0aef6a4e8d71dc1888c2195ff (diff) | |
note safety (discussed with art)
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man9/bus_dma.9 | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/share/man/man9/bus_dma.9 b/share/man/man9/bus_dma.9 index 989d2bea693..4b26cc789ca 100644 --- a/share/man/man9/bus_dma.9 +++ b/share/man/man9/bus_dma.9 @@ -1,4 +1,4 @@ -.\" $OpenBSD: bus_dma.9,v 1.4 2001/06/28 22:14:23 millert Exp $ +.\" $OpenBSD: bus_dma.9,v 1.5 2001/06/29 02:10:05 jason Exp $ .\" $NetBSD: bus_dma.9,v 1.14 2000/06/14 06:49:19 cgd Exp $ .\" .\" Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. @@ -645,7 +645,8 @@ placed into the DMA map for use by later calls to .El .Pp Behavior is undefined if invalid arguments are passed to -.Fn bus_dmamem_map . +.Fn bus_dmamem_map +and must not be called from an interrupt context. .Pp Returns 0 on success, or an error code indicating mode of failure. .It Fn bus_dmamem_unmap "tag" "kva" "size" @@ -664,7 +665,8 @@ The size of the mapping. .El .Pp Behavior is undefined if invalid arguments are passed to -.Fn bus_dmamem_unmap . +.Fn bus_dmamem_unmap +and must not be call from an interrupt context. .Pp If given valid arguments, .Fn bus_dmamem_unmap |