[Xen-devel] [PATCH 12/15] [swiotlb] Remove un-used static declerations obsoleted by iommu_sw.

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

This includes the io_tlb_start, io_tlb_end, io_tlb_list, etc.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
 lib/swiotlb.c |   29 +----------------------------
 1 files changed, 1 insertions(+), 28 deletions(-)

diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 20df588..c11dcb1 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -60,40 +60,13 @@ enum dma_sync_target {
 int swiotlb_force;
 
 /*
- * Used to do a quick range check in unmap_single and
- * sync_single_*, to see if the memory was in fact allocated by this
- * API.
- */
-static char *io_tlb_start, *io_tlb_end;
-
-/*
  * The number of IO TLB blocks (in groups of 64) betweeen io_tlb_start and
  * io_tlb_end.  This is command line adjustable via setup_io_tlb_npages.
  */
 static unsigned long io_tlb_nslabs;
 
 /*
- * When the IOMMU overflows we return a fallback buffer. This sets the size.
- */
-static unsigned long io_tlb_overflow = 32*1024;
-
-void *io_tlb_overflow_buffer;
-
-/*
- * This is a free list describing the number of free entries available from
- * each index
- */
-static unsigned int *io_tlb_list;
-static unsigned int io_tlb_index;
-
-/*
- * We need to save away the original address corresponding to a mapped entry
- * for the sync operations.
- */
-static phys_addr_t *io_tlb_orig_addr;
-
-/*
- * Protect the above data structures in the map and unmap calls
+ * Protect the iommu_sw data structures in the map and unmap calls
  */
 static DEFINE_SPINLOCK(io_tlb_lock);
 
-- 
1.6.2.5


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