Author: jhb
Date: Fri Mar 9 16:05:11 2012
New Revision: 232727
URL: http://svn.freebsd.org/changeset/base/232727
Log:
Remove PAE special-case 2GB DMA boundary and always use a 4GB boundary
now that DMA tags in PAE kernels support 4GB boundaries.
Reviewed by: yongari
Modified:
head/sys/dev/bge/if_bgereg.h
Modified: head/sys/dev/bge/if_bgereg.h
==============================================================================
--- head/sys/dev/bge/if_bgereg.h Fri Mar 9 15:42:47 2012
(r232726)
+++ head/sys/dev/bge/if_bgereg.h Fri Mar 9 16:05:11 2012
(r232727)
@@ -2691,15 +2691,11 @@ struct bge_gib {
#define BGE_DMA_MAXADDR 0xFFFFFFFFFF
#endif
-#ifdef PAE
-#define BGE_DMA_BNDRY 0x80000000
-#else
#if (BUS_SPACE_MAXADDR > 0xFFFFFFFF)
#define BGE_DMA_BNDRY 0x100000000
#else
#define BGE_DMA_BNDRY 0
#endif
-#endif
/*
* Ring structures. Most of these reside in host memory and we tell
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