6 files changed, 8 insertions, 6 deletions

diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h
index e784fdc524f1..54a380efed41 100644
--- a/include/asm-x86_64/dma-mapping.h
+++ b/include/asm-x86_64/dma-mapping.h
@@ -17,7 +17,7 @@ extern dma_addr_t bad_dma_address;
         (swiotlb ? swiotlb_dma_mapping_error(x) : ((x) == bad_dma_address))
 
 void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-                         unsigned gfp);
+                         gfp_t gfp);
 void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
                          dma_addr_t dma_handle);
 
diff --git a/include/asm-x86_64/msr.h b/include/asm-x86_64/msr.h
index 4d727f3f5550..5a7fe3c6c3d8 100644
--- a/include/asm-x86_64/msr.h
+++ b/include/asm-x86_64/msr.h
@@ -234,6 +234,7 @@ static inline unsigned int cpuid_edx(unsigned int op)
 #define MSR_K8_TOP_MEM1            0xC001001A
 #define MSR_K8_TOP_MEM2            0xC001001D
 #define MSR_K8_SYSCFG              0xC0010010
+#define MSR_K8_HWCR                0xC0010015
 
 /* K6 MSRs */
 #define MSR_K6_EFER                     0xC0000080
diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index 5a82a6762c21..eeb3088a1c9e 100644
--- a/include/asm-x86_64/pci.h
+++ b/include/asm-x86_64/pci.h
@@ -50,10 +50,10 @@ extern int iommu_setup(char *opt);
  * address space.  The networking and block device layers use
  * this boolean for bounce buffer decisions
  *
- * On x86-64 it mostly equals, but we set it to zero to tell some subsystems
- * that an hard or soft IOMMU is available.
+ * On AMD64 it mostly equals, but we set it to zero to tell some subsystems
+ * that an IOMMU is available.
  */
-#define PCI_DMA_BUS_IS_PHYS 0
+#define PCI_DMA_BUS_IS_PHYS     (no_iommu ? 1 : 0)
 
 /*
  * x86-64 always supports DAC, but sometimes it is useful to force
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index 2cb483516459..dd8711ecaf2f 100644
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -384,7 +384,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 }
 
 #define pte_index(address) \
-                ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
+                (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
 #define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_kernel(*(dir)) + \
                         pte_index(address))
 
diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h
index 24e32611f0bf..c57ce4071342 100644
--- a/include/asm-x86_64/smp.h
+++ b/include/asm-x86_64/smp.h
@@ -81,6 +81,7 @@ static inline int hard_smp_processor_id(void)
 extern int safe_smp_processor_id(void);
 extern int __cpu_disable(void);
 extern void __cpu_die(unsigned int cpu);
+extern void prefill_possible_map(void);
 
 #endif /* !ASSEMBLY */
 
diff --git a/include/asm-x86_64/swiotlb.h b/include/asm-x86_64/swiotlb.h
index 36293061f4ed..7cbfd10ecc3c 100644
--- a/include/asm-x86_64/swiotlb.h
+++ b/include/asm-x86_64/swiotlb.h
@@ -27,7 +27,7 @@ extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg,
                          int nents, int direction);
 extern int swiotlb_dma_mapping_error(dma_addr_t dma_addr);
 extern void *swiotlb_alloc_coherent (struct device *hwdev, size_t size,
-                                     dma_addr_t *dma_handle, int flags);
+                                     dma_addr_t *dma_handle, gfp_t flags);
 extern void swiotlb_free_coherent (struct device *hwdev, size_t size,
                                    void *vaddr, dma_addr_t dma_handle);