Author: cognet
Date: Wed Feb 4 01:14:06 2009
New Revision: 188112
URL: http://svn.freebsd.org/changeset/base/188112
Log:
Erm... Report the buffer as being bounced even when it's the entire buffer,
or we would end up invalidating the cache line for what we just copied...
Reported by: thompsa
Pointy at to: cognet
MFC after: 3 days
Modified:
head/sys/arm/arm/busdma_machdep.c
Modified: head/sys/arm/arm/busdma_machdep.c
==============================================================================
--- head/sys/arm/arm/busdma_machdep.c Wed Feb 4 01:11:37 2009
(r188111)
+++ head/sys/arm/arm/busdma_machdep.c Wed Feb 4 01:14:06 2009
(r188112)
@@ -1168,7 +1168,7 @@ _bus_dma_buf_is_in_bp(bus_dmamap_t map,
STAILQ_FOREACH(bpage, &map->bpages, links) {
if ((vm_offset_t)buf >= bpage->datavaddr &&
- (vm_offset_t)buf + len < bpage->datavaddr +
+ (vm_offset_t)buf + len <= bpage->datavaddr +
bpage->datacount)
return (1);
}
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