diff options
| author | Glauber Costa | 2008-03-25 22:36:36 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2008-04-19 19:19:56 +0200 |
| commit | 7c18341665917b493fa40eeb3c7ff6c1a5ac47db (patch) | |
| tree | f027237e256fe89ca03b83f8eb32978560b092da /include | |
| parent | x86: align to clflush size (diff) | |
| download | kernel-qcow2-linux-7c18341665917b493fa40eeb3c7ff6c1a5ac47db.tar.gz kernel-qcow2-linux-7c18341665917b493fa40eeb3c7ff6c1a5ac47db.tar.xz kernel-qcow2-linux-7c18341665917b493fa40eeb3c7ff6c1a5ac47db.zip | |
x86: provide a bad_dma_address symbol for i386
It's initially 0, since we don't expect any DMA there.
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/dma-mapping.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/dma-mapping_64.h | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index c671a0aea59b..984935d86bbd 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -10,6 +10,8 @@ #include <asm/io.h> #include <asm/swiotlb.h> +extern dma_addr_t bad_dma_address; + struct dma_mapping_ops { int (*mapping_error)(dma_addr_t dma_addr); void* (*alloc_coherent)(struct device *dev, size_t size, diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h index 9674dac9fa3a..352bf4164a5e 100644 --- a/include/asm-x86/dma-mapping_64.h +++ b/include/asm-x86/dma-mapping_64.h @@ -1,7 +1,6 @@ #ifndef _X8664_DMA_MAPPING_H #define _X8664_DMA_MAPPING_H 1 -extern dma_addr_t bad_dma_address; extern int iommu_merge; static inline int dma_mapping_error(dma_addr_t dma_addr) |