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| author | mdf <mdf@FreeBSD.org> | 2011-01-12 21:08:49 +0000 |
|---|---|---|
| committer | mdf <mdf@FreeBSD.org> | 2011-01-12 21:08:49 +0000 |
| commit | 30a663c80840465ec1e8372404e0d87ef4c9d07d (patch) | |
| tree | 472680f3cc1c7654e4a78fdc645e42a356eeab3c | |
| parent | f80acf51cb18584f26ecddd02b8ea7ae9bef619c (diff) | |
| download | FreeBSD-src-30a663c80840465ec1e8372404e0d87ef4c9d07d.zip FreeBSD-src-30a663c80840465ec1e8372404e0d87ef4c9d07d.tar.gz | |
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.
| -rw-r--r-- | sys/x86/x86/busdma_machdep.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/x86/x86/busdma_machdep.c b/sys/x86/x86/busdma_machdep.c index 947765b..e98e982 100644 --- a/sys/x86/x86/busdma_machdep.c +++ b/sys/x86/x86/busdma_machdep.c @@ -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); } |
