svn commit: r188112 - head/sys/arm/arm

[Olivier Houchard]

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);
 	}