[PATCH 5/5] swiotlb: EXPORT_SYMBOL_GPL functions + variables that are defined in the header file.
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From: Konrad Rzeszutek Wilk on 19 Mar 2010 11:40 Make the functions and variables that are now declared in the swiotlb.h header file visible by the linker. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk(a)oracle.com> --- lib/swiotlb.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/lib/swiotlb.c b/lib/swiotlb.c index b3eef1c..c6bfa5d 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -57,19 +57,24 @@ int swiotlb_force; * API. */ char *swiotlb_bk_start, *swiotlb_bk_end; +EXPORT_SYMBOL_GPL(swiotlb_bk_start); +EXPORT_SYMBOL_GPL(swiotlb_bk_end); /* * The number of IO TLB blocks (in groups of 64) betweeen swiotlb_bk_start and * swiotlb_bk_end. This is command line adjustable via setup_io_tlb_npages. */ unsigned long swiotlb_bk_nslabs; +EXPORT_SYMBOL_GPL(swiotlb_bk_nslabs); /* * When the IOMMU overflows we return a fallback buffer. This sets the size. */ unsigned long swiotlb_bk_overflow = 32*1024; +EXPORT_SYMBOL_GPL(swiotlb_bk_overflow); void *swiotlb_bk_overflow_buffer; +EXPORT_SYMBOL_GPL(swiotlb_bk_overflow_buffer); /* * This is a free list describing the number of free entries available from @@ -312,6 +317,7 @@ int is_swiotlb_buffer(phys_addr_t paddr) return paddr >= virt_to_phys(swiotlb_bk_start) && paddr < virt_to_phys(swiotlb_bk_end); } +EXPORT_SYMBOL_GPL(is_swiotlb_buffer); /* * Bounce: copy the swiotlb buffer back to the original dma location @@ -353,6 +359,7 @@ void swiotlb_bounce(phys_addr_t phys, char *dma_addr, size_t size, memcpy(phys_to_virt(phys), dma_addr, size); } } +EXPORT_SYMBOL_GPL(swiotlb_bounce); /* * Allocates bounce buffer and returns its kernel virtual address. @@ -459,6 +466,7 @@ found: return dma_addr; } +EXPORT_SYMBOL_GPL(swiotlb_bk_map_single); /* * dma_addr is the kernel virtual address of the bounce buffer to unmap. @@ -504,6 +512,7 @@ swiotlb_bk_unmap_single(struct device *hwdev, char *dma_addr, size_t size, } spin_unlock_irqrestore(&swiotlb_bk_lock, flags); } +EXPORT_SYMBOL_GPL(swiotlb_bk_unmap_single); void swiotlb_bk_sync_single(struct device *hwdev, char *dma_addr, size_t size, @@ -531,6 +540,7 @@ swiotlb_bk_sync_single(struct device *hwdev, char *dma_addr, size_t size, BUG(); } } +EXPORT_SYMBOL_GPL(swiotlb_bk_sync_single); void * swiotlb_alloc_coherent(struct device *hwdev, size_t size, @@ -622,6 +632,7 @@ swiotlb_full(struct device *dev, size_t size, int dir, int do_panic) if (dir == DMA_TO_DEVICE) panic("DMA: Random memory could be DMA read\n"); } +EXPORT_SYMBOL_GPL(swiotlb_full); /* * Map a single buffer of the indicated size for DMA in streaming mode. The -- 1.6.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |