Author: mdf
Date: Wed Jan 12 21:08:49 2011
New Revision: 217330
URL: http://svn.freebsd.org/changeset/base/217330
Log:
Fix a brain fart. Since this file is shared between i386 and amd64, a
bus_size_t may be 32 or 64 bits. Change the bounce_zone alignment field
to explicitly be 32 bits, as I can't really imagine a DMA device that
needs anything close to 2GB alignment of data.
Modified:
head/sys/x86/x86/busdma_machdep.c
Modified: head/sys/x86/x86/busdma_machdep.c
==============================================================================
--- head/sys/x86/x86/busdma_machdep.c Wed Jan 12 20:44:11 2011
(r217329)
+++ head/sys/x86/x86/busdma_machdep.c Wed Jan 12 21:08:49 2011
(r217330)
@@ -100,7 +100,7 @@ struct bounce_zone {
int total_bounced;
int total_deferred;
int map_count;
- bus_size_t alignment;
+ uint32_t alignment;
bus_addr_t lowaddr;
char zoneid[8];
char lowaddrid[20];
@@ -1060,9 +1060,9 @@ alloc_bounce_zone(bus_dma_tag_t dmat)
SYSCTL_ADD_STRING(busdma_sysctl_tree(bz),
SYSCTL_CHILDREN(busdma_sysctl_tree_top(bz)), OID_AUTO,
"lowaddr", CTLFLAG_RD, bz->lowaddrid, 0, "");
- SYSCTL_ADD_UQUAD(busdma_sysctl_tree(bz),
+ SYSCTL_ADD_UINT(busdma_sysctl_tree(bz),
SYSCTL_CHILDREN(busdma_sysctl_tree_top(bz)), OID_AUTO,
- "alignment", CTLFLAG_RD, &bz->alignment, "");
+ "alignment", CTLFLAG_RD, &bz->alignment, 0, "");
return (0);
}
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