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author | Grant Likely <grant.likely@secretlab.ca> | 2011-06-17 18:32:26 +0400 |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2011-06-17 18:32:26 +0400 |
commit | f8db4cc4f2b11bdded6c94f0d55906847474b982 (patch) | |
tree | d1b99d186edb9d203fafd896f19487125a2395af /drivers/xen/swiotlb-xen.c | |
parent | 2e2de2e314672c8b6644f67a35556d6df780493d (diff) | |
parent | e479c60456ef22b0869432887216186aabaed086 (diff) | |
download | linux-f8db4cc4f2b11bdded6c94f0d55906847474b982.tar.xz |
Merge branch 'spi/merge' into spi/next
Diffstat (limited to 'drivers/xen/swiotlb-xen.c')
-rw-r--r-- | drivers/xen/swiotlb-xen.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 65ea21a97492..6e8c15a23201 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -147,9 +147,15 @@ void __init xen_swiotlb_init(int verbose) { unsigned long bytes; int rc; - - xen_io_tlb_nslabs = (64 * 1024 * 1024 >> IO_TLB_SHIFT); - xen_io_tlb_nslabs = ALIGN(xen_io_tlb_nslabs, IO_TLB_SEGSIZE); + unsigned long nr_tbl; + + nr_tbl = swioltb_nr_tbl(); + if (nr_tbl) + xen_io_tlb_nslabs = nr_tbl; + else { + xen_io_tlb_nslabs = (64 * 1024 * 1024 >> IO_TLB_SHIFT); + xen_io_tlb_nslabs = ALIGN(xen_io_tlb_nslabs, IO_TLB_SEGSIZE); + } bytes = xen_io_tlb_nslabs << IO_TLB_SHIFT; |