diff options
| -rw-r--r-- | arch/x86/kernel/pci-swiotlb_64.c | 2 | ||||
| -rw-r--r-- | include/linux/dma_remapping.h | 8 | ||||
| -rw-r--r-- | lib/swiotlb.c | 3 |
3 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c index 242c3440687f..8cba3749a511 100644 --- a/arch/x86/kernel/pci-swiotlb_64.c +++ b/arch/x86/kernel/pci-swiotlb_64.c @@ -13,7 +13,7 @@ int swiotlb __read_mostly; -void *swiotlb_alloc_boot(size_t size, unsigned long nslabs) +void * __init swiotlb_alloc_boot(size_t size, unsigned long nslabs) { return alloc_bootmem_low_pages(size); } diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h index 136f170cecc2..af1dab41674b 100644 --- a/include/linux/dma_remapping.h +++ b/include/linux/dma_remapping.h @@ -17,7 +17,15 @@ struct dmar_domain; struct root_entry; extern void free_dmar_iommu(struct intel_iommu *iommu); + +#ifdef CONFIG_DMAR extern int iommu_calculate_agaw(struct intel_iommu *iommu); +#else +static inline int iommu_calculate_agaw(struct intel_iommu *iommu) +{ + return 0; +} +#endif extern int dmar_disabled; diff --git a/lib/swiotlb.c b/lib/swiotlb.c index fa2dc4e5f9ba..7f5e21b9c16b 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -23,7 +23,6 @@ #include <linux/spinlock.h> #include <linux/swiotlb.h> #include <linux/string.h> -#include <linux/swiotlb.h> #include <linux/types.h> #include <linux/ctype.h> #include <linux/highmem.h> @@ -116,7 +115,7 @@ setup_io_tlb_npages(char *str) __setup("swiotlb=", setup_io_tlb_npages); /* make io_tlb_overflow tunable too? */ -void * __weak swiotlb_alloc_boot(size_t size, unsigned long nslabs) +void * __weak __init swiotlb_alloc_boot(size_t size, unsigned long nslabs) { return alloc_bootmem_low_pages(size); } |