18 files changed, 308 insertions, 426 deletions

diff --git a/include/asm-x86/boot.h b/include/asm-x86/boot.h
index ed8affbf96c..2faed7ecb09 100644
--- a/include/asm-x86/boot.h
+++ b/include/asm-x86/boot.h
@@ -17,4 +17,12 @@
 				+ (CONFIG_PHYSICAL_ALIGN - 1)) \
 				& ~(CONFIG_PHYSICAL_ALIGN - 1))
 
+#ifdef CONFIG_X86_64
+#define BOOT_HEAP_SIZE	0x7000
+#define BOOT_STACK_SIZE	0x4000
+#else
+#define BOOT_HEAP_SIZE	0x4000
+#define BOOT_STACK_SIZE	0x1000
+#endif
+
 #endif /* _ASM_BOOT_H */
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 58f790f4df5..a1a4dc7fe6e 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -1,5 +1,237 @@
+#ifndef _ASM_DMA_MAPPING_H_
+#define _ASM_DMA_MAPPING_H_
+
+/*
+ * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for
+ * documentation.
+ */
+
+#include <linux/scatterlist.h>
+#include <asm/io.h>
+#include <asm/swiotlb.h>
+
+extern dma_addr_t bad_dma_address;
+extern int iommu_merge;
+extern struct device fallback_dev;
+extern int panic_on_overflow;
+extern int forbid_dac;
+extern int force_iommu;
+
+struct dma_mapping_ops {
+	int             (*mapping_error)(dma_addr_t dma_addr);
+	void*           (*alloc_coherent)(struct device *dev, size_t size,
+				dma_addr_t *dma_handle, gfp_t gfp);
+	void            (*free_coherent)(struct device *dev, size_t size,
+				void *vaddr, dma_addr_t dma_handle);
+	dma_addr_t      (*map_single)(struct device *hwdev, phys_addr_t ptr,
+				size_t size, int direction);
+	/* like map_single, but doesn't check the device mask */
+	dma_addr_t      (*map_simple)(struct device *hwdev, phys_addr_t ptr,
+				size_t size, int direction);
+	void            (*unmap_single)(struct device *dev, dma_addr_t addr,
+				size_t size, int direction);
+	void            (*sync_single_for_cpu)(struct device *hwdev,
+				dma_addr_t dma_handle, size_t size,
+				int direction);
+	void            (*sync_single_for_device)(struct device *hwdev,
+				dma_addr_t dma_handle, size_t size,
+				int direction);
+	void            (*sync_single_range_for_cpu)(struct device *hwdev,
+				dma_addr_t dma_handle, unsigned long offset,
+				size_t size, int direction);
+	void            (*sync_single_range_for_device)(struct device *hwdev,
+				dma_addr_t dma_handle, unsigned long offset,
+				size_t size, int direction);
+	void            (*sync_sg_for_cpu)(struct device *hwdev,
+				struct scatterlist *sg, int nelems,
+				int direction);
+	void            (*sync_sg_for_device)(struct device *hwdev,
+				struct scatterlist *sg, int nelems,
+				int direction);
+	int             (*map_sg)(struct device *hwdev, struct scatterlist *sg,
+				int nents, int direction);
+	void            (*unmap_sg)(struct device *hwdev,
+				struct scatterlist *sg, int nents,
+				int direction);
+	int             (*dma_supported)(struct device *hwdev, u64 mask);
+	int		is_phys;
+};
+
+extern const struct dma_mapping_ops *dma_ops;
+
+static inline int dma_mapping_error(dma_addr_t dma_addr)
+{
+	if (dma_ops->mapping_error)
+		return dma_ops->mapping_error(dma_addr);
+
+	return (dma_addr == bad_dma_address);
+}
+
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+
+void *dma_alloc_coherent(struct device *dev, size_t size,
+			   dma_addr_t *dma_handle, gfp_t flag);
+
+void dma_free_coherent(struct device *dev, size_t size,
+			 void *vaddr, dma_addr_t dma_handle);
+
+
+extern int dma_supported(struct device *hwdev, u64 mask);
+extern int dma_set_mask(struct device *dev, u64 mask);
+
+static inline dma_addr_t
+dma_map_single(struct device *hwdev, void *ptr, size_t size,
+	       int direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	return dma_ops->map_single(hwdev, virt_to_phys(ptr), size, direction);
+}
+
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t addr, size_t size,
+		 int direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	if (dma_ops->unmap_single)
+		dma_ops->unmap_single(dev, addr, size, direction);
+}
+
+static inline int
+dma_map_sg(struct device *hwdev, struct scatterlist *sg,
+	   int nents, int direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	return dma_ops->map_sg(hwdev, sg, nents, direction);
+}
+
+static inline void
+dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
+	     int direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	if (dma_ops->unmap_sg)
+		dma_ops->unmap_sg(hwdev, sg, nents, direction);
+}
+
+static inline void
+dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
+			size_t size, int direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	if (dma_ops->sync_single_for_cpu)
+		dma_ops->sync_single_for_cpu(hwdev, dma_handle, size,
+					     direction);
+	flush_write_buffers();
+}
+
+static inline void
+dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle,
+			   size_t size, int direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	if (dma_ops->sync_single_for_device)
+		dma_ops->sync_single_for_device(hwdev, dma_handle, size,
+						direction);
+	flush_write_buffers();
+}
+
+static inline void
+dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
+			      unsigned long offset, size_t size, int direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	if (dma_ops->sync_single_range_for_cpu)
+		dma_ops->sync_single_range_for_cpu(hwdev, dma_handle, offset,
+						   size, direction);
+
+	flush_write_buffers();
+}
+
+static inline void
+dma_sync_single_range_for_device(struct device *hwdev, dma_addr_t dma_handle,
+				 unsigned long offset, size_t size,
+				 int direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	if (dma_ops->sync_single_range_for_device)
+		dma_ops->sync_single_range_for_device(hwdev, dma_handle,
+						      offset, size, direction);
+
+	flush_write_buffers();
+}
+
+static inline void
+dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
+		    int nelems, int direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	if (dma_ops->sync_sg_for_cpu)
+		dma_ops->sync_sg_for_cpu(hwdev, sg, nelems, direction);
+	flush_write_buffers();
+}
+
+static inline void
+dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
+		       int nelems, int direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	if (dma_ops->sync_sg_for_device)
+		dma_ops->sync_sg_for_device(hwdev, sg, nelems, direction);
+
+	flush_write_buffers();
+}
+
+static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
+				      size_t offset, size_t size,
+				      int direction)
+{
+	BUG_ON(!valid_dma_direction(direction));
+	return dma_ops->map_single(dev, page_to_phys(page)+offset,
+				   size, direction);
+}
+
+static inline void dma_unmap_page(struct device *dev, dma_addr_t addr,
+				  size_t size, int direction)
+{
+	dma_unmap_single(dev, addr, size, direction);
+}
+
+static inline void
+dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+	enum dma_data_direction dir)
+{
+	flush_write_buffers();
+}
+
+static inline int dma_get_cache_alignment(void)
+{
+	/* no easy way to get cache size on all x86, so return the
+	 * maximum possible, to be safe */
+	return boot_cpu_data.x86_clflush_size;
+}
+
+#define dma_is_consistent(d, h)	(1)
+
 #ifdef CONFIG_X86_32
-# include "dma-mapping_32.h"
-#else
-# include "dma-mapping_64.h"
+#  define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
+struct dma_coherent_mem {
+	void		*virt_base;
+	u32		device_base;
+	int		size;
+	int		flags;
+	unsigned long	*bitmap;
+};
+
+extern int
+dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
+			    dma_addr_t device_addr, size_t size, int flags);
+
+extern void
+dma_release_declared_memory(struct device *dev);
+
+extern void *
+dma_mark_declared_memory_occupied(struct device *dev,
+				  dma_addr_t device_addr, size_t size);
+#endif /* CONFIG_X86_32 */
 #endif
diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h
deleted file mode 100644
index 55f01bd9e55..00000000000
--- a/include/asm-x86/dma-mapping_32.h
+++ /dev/null
@@ -1,187 +0,0 @@
-#ifndef _ASM_I386_DMA_MAPPING_H
-#define _ASM_I386_DMA_MAPPING_H
-
-#include <linux/mm.h>
-#include <linux/scatterlist.h>
-
-#include <asm/cache.h>
-#include <asm/io.h>
-#include <asm/bug.h>
-
-#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
-#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-
-void *dma_alloc_coherent(struct device *dev, size_t size,
-			   dma_addr_t *dma_handle, gfp_t flag);
-
-void dma_free_coherent(struct device *dev, size_t size,
-			 void *vaddr, dma_addr_t dma_handle);
-
-static inline dma_addr_t
-dma_map_single(struct device *dev, void *ptr, size_t size,
-	       enum dma_data_direction direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	WARN_ON(size == 0);
-	flush_write_buffers();
-	return virt_to_phys(ptr);
-}
-
-static inline void
-dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
-		 enum dma_data_direction direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-}
-
-static inline int
-dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
-	   enum dma_data_direction direction)
-{
-	struct scatterlist *sg;
-	int i;
-
-	BUG_ON(!valid_dma_direction(direction));
-	WARN_ON(nents == 0 || sglist[0].length == 0);
-
-	for_each_sg(sglist, sg, nents, i) {
-		BUG_ON(!sg_page(sg));
-
-		sg->dma_address = sg_phys(sg);
-	}
-
-	flush_write_buffers();
-	return nents;
-}
-
-static inline dma_addr_t
-dma_map_page(struct device *dev, struct page *page, unsigned long offset,
-	     size_t size, enum dma_data_direction direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	return page_to_phys(page) + offset;
-}
-
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
-	       enum dma_data_direction direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-}
-
-
-static inline void
-dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
-	     enum dma_data_direction direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-}
-
-static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
-			enum dma_data_direction direction)
-{
-}
-
-static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
-			enum dma_data_direction direction)
-{
-	flush_write_buffers();
-}
-
-static inline void
-dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
-			      unsigned long offset, size_t size,
-			      enum dma_data_direction direction)
-{
-}
-
-static inline void
-dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
-				 unsigned long offset, size_t size,
-				 enum dma_data_direction direction)
-{
-	flush_write_buffers();
-}
-
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
-		    enum dma_data_direction direction)
-{
-}
-
-static inline void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
-		    enum dma_data_direction direction)
-{
-	flush_write_buffers();
-}
-
-static inline int
-dma_mapping_error(dma_addr_t dma_addr)
-{
-	return 0;
-}
-
-extern int forbid_dac;
-
-static inline int
-dma_supported(struct device *dev, u64 mask)
-{
-        /*
-         * we fall back to GFP_DMA when the mask isn't all 1s,
-         * so we can't guarantee allocations that must be
-         * within a tighter range than GFP_DMA..
-         */
-        if(mask < 0x00ffffff)
-                return 0;
-
-	/* Work around chipset bugs */
-	if (forbid_dac > 0 && mask > 0xffffffffULL)
-		return 0;
-
-	return 1;
-}
-
-static inline int
-dma_set_mask(struct device *dev, u64 mask)
-{
-	if(!dev->dma_mask || !dma_supported(dev, mask))
-		return -EIO;
-
-	*dev->dma_mask = mask;
-
-	return 0;
-}
-
-static inline int
-dma_get_cache_alignment(void)
-{
-	/* no easy way to get cache size on all x86, so return the
-	 * maximum possible, to be safe */
-	return (1 << INTERNODE_CACHE_SHIFT);
-}
-
-#define dma_is_consistent(d, h)	(1)
-
-static inline void
-dma_cache_sync(struct device *dev, void *vaddr, size_t size,
-	       enum dma_data_direction direction)
-{
-	flush_write_buffers();
-}
-
-#define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
-extern int
-dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
-			    dma_addr_t device_addr, size_t size, int flags);
-
-extern void
-dma_release_declared_memory(struct device *dev);
-
-extern void *
-dma_mark_declared_memory_occupied(struct device *dev,
-				  dma_addr_t device_addr, size_t size);
-
-#endif
diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h
deleted file mode 100644
index ecd0f6125ba..00000000000
--- a/include/asm-x86/dma-mapping_64.h
+++ /dev/null
@@ -1,202 +0,0 @@
-#ifndef _X8664_DMA_MAPPING_H
-#define _X8664_DMA_MAPPING_H 1
-
-/*
- * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for
- * documentation.
- */
-
-#include <linux/scatterlist.h>
-#include <asm/io.h>
-#include <asm/swiotlb.h>
-
-struct dma_mapping_ops {
-	int             (*mapping_error)(dma_addr_t dma_addr);
-	void*           (*alloc_coherent)(struct device *dev, size_t size,
-                                dma_addr_t *dma_handle, gfp_t gfp);
-	void            (*free_coherent)(struct device *dev, size_t size,
-                                void *vaddr, dma_addr_t dma_handle);
-	dma_addr_t      (*map_single)(struct device *hwdev, void *ptr,
-                                size_t size, int direction);
-	/* like map_single, but doesn't check the device mask */
-	dma_addr_t      (*map_simple)(struct device *hwdev, char *ptr,
-                                size_t size, int direction);
-	void            (*unmap_single)(struct device *dev, dma_addr_t addr,
-		                size_t size, int direction);
-	void            (*sync_single_for_cpu)(struct device *hwdev,
-		                dma_addr_t dma_handle, size_t size,
-				int direction);
-	void            (*sync_single_for_device)(struct device *hwdev,
-                                dma_addr_t dma_handle, size_t size,
-				int direction);
-	void            (*sync_single_range_for_cpu)(struct device *hwdev,
-                                dma_addr_t dma_handle, unsigned long offset,
-		                size_t size, int direction);
-	void            (*sync_single_range_for_device)(struct device *hwdev,
-				dma_addr_t dma_handle, unsigned long offset,
-		                size_t size, int direction);
-	void            (*sync_sg_for_cpu)(struct device *hwdev,
-                                struct scatterlist *sg, int nelems,
-				int direction);
-	void            (*sync_sg_for_device)(struct device *hwdev,
-				struct scatterlist *sg, int nelems,
-				int direction);
-	int             (*map_sg)(struct device *hwdev, struct scatterlist *sg,
-		                int nents, int direction);
-	void            (*unmap_sg)(struct device *hwdev,
-				struct scatterlist *sg, int nents,
-				int direction);
-	int             (*dma_supported)(struct device *hwdev, u64 mask);
-	int		is_phys;
-};
-
-extern dma_addr_t bad_dma_address;
-extern const struct dma_mapping_ops* dma_ops;
-extern int iommu_merge;
-
-static inline int dma_mapping_error(dma_addr_t dma_addr)
-{
-	if (dma_ops->mapping_error)
-		return dma_ops->mapping_error(dma_addr);
-
-	return (dma_addr == bad_dma_address);
-}
-
-#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
-#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-
-#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
-#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-
-extern void *dma_alloc_coherent(struct device *dev, size_t size,
-				dma_addr_t *dma_handle, gfp_t gfp);
-extern void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
-			      dma_addr_t dma_handle);
-
-static inline dma_addr_t
-dma_map_single(struct device *hwdev, void *ptr, size_t size,
-	       int direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	return dma_ops->map_single(hwdev, ptr, size, direction);
-}
-
-static inline void
-dma_unmap_single(struct device *dev, dma_addr_t addr,size_t size,
-		 int direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	dma_ops->unmap_single(dev, addr, size, direction);
-}
-
-#define dma_map_page(dev,page,offset,size,dir) \
-	dma_map_single((dev), page_address(page)+(offset), (size), (dir))
-
-#define dma_unmap_page dma_unmap_single
-
-static inline void
-dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
-			size_t size, int direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	if (dma_ops->sync_single_for_cpu)
-		dma_ops->sync_single_for_cpu(hwdev, dma_handle, size,
-					     direction);
-	flush_write_buffers();
-}
-
-static inline void
-dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle,
-			   size_t size, int direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	if (dma_ops->sync_single_for_device)
-		dma_ops->sync_single_for_device(hwdev, dma_handle, size,
-						direction);
-	flush_write_buffers();
-}
-
-static inline void
-dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
-			      unsigned long offset, size_t size, int direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	if (dma_ops->sync_single_range_for_cpu) {
-		dma_ops->sync_single_range_for_cpu(hwdev, dma_handle, offset, size, direction);
-	}
-
-	flush_write_buffers();
-}
-
-static inline void
-dma_sync_single_range_for_device(struct device *hwdev, dma_addr_t dma_handle,
-				 unsigned long offset, size_t size, int direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	if (dma_ops->sync_single_range_for_device)
-		dma_ops->sync_single_range_for_device(hwdev, dma_handle,
-						      offset, size, direction);
-
-	flush_write_buffers();
-}
-
-static inline void
-dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
-		    int nelems, int direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	if (dma_ops->sync_sg_for_cpu)
-		dma_ops->sync_sg_for_cpu(hwdev, sg, nelems, direction);
-	flush_write_buffers();
-}
-
-static inline void
-dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
-		       int nelems, int direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	if (dma_ops->sync_sg_for_device) {
-		dma_ops->sync_sg_for_device(hwdev, sg, nelems, direction);
-	}
-
-	flush_write_buffers();
-}
-
-static inline int
-dma_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, int direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	return dma_ops->map_sg(hwdev, sg, nents, direction);
-}
-
-static inline void
-dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
-	     int direction)
-{
-	BUG_ON(!valid_dma_direction(direction));
-	dma_ops->unmap_sg(hwdev, sg, nents, direction);
-}
-
-extern int dma_supported(struct device *hwdev, u64 mask);
-
-/* same for gart, swiotlb, and nommu */
-static inline int dma_get_cache_alignment(void)
-{
-	return boot_cpu_data.x86_clflush_size;
-}
-
-#define dma_is_consistent(d, h) 1
-
-extern int dma_set_mask(struct device *dev, u64 mask);
-
-static inline void
-dma_cache_sync(struct device *dev, void *vaddr, size_t size,
-	enum dma_data_direction dir)
-{
-	flush_write_buffers();
-}
-
-extern struct device fallback_dev;
-extern int panic_on_overflow;
-
-#endif /* _X8664_DMA_MAPPING_H */
diff --git a/include/asm-x86/e820_32.h b/include/asm-x86/e820_32.h
index 43b1a8bd4b3..a9f7c6ec32b 100644
--- a/include/asm-x86/e820_32.h
+++ b/include/asm-x86/e820_32.h
@@ -24,7 +24,7 @@ extern void update_e820(void);
 extern int e820_all_mapped(unsigned long start, unsigned long end,
 			   unsigned type);
 extern int e820_any_mapped(u64 start, u64 end, unsigned type);
-extern void find_max_pfn(void);
+extern void propagate_e820_map(void);
 extern void register_bootmem_low_pages(unsigned long max_low_pfn);
 extern void add_memory_region(unsigned long long start,
 			      unsigned long long size, int type);
diff --git a/include/asm-x86/genapic_32.h b/include/asm-x86/genapic_32.h
index f1b96932746..b02ea6e17de 100644
--- a/include/asm-x86/genapic_32.h
+++ b/include/asm-x86/genapic_32.h
@@ -117,6 +117,7 @@ extern struct genapic *genapic;
 enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
 #define get_uv_system_type()		UV_NONE
 #define is_uv_system()			0
+#define uv_wakeup_secondary(a, b)	1
 
 
 #endif
diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h
index 54522b814f1..da2adb45f6e 100644
--- a/include/asm-x86/i387.h
+++ b/include/asm-x86/i387.h
@@ -21,8 +21,9 @@
 
 extern void fpu_init(void);
 extern void mxcsr_feature_mask_init(void);
-extern void init_fpu(struct task_struct *child);
+extern int init_fpu(struct task_struct *child);
 extern asmlinkage void math_state_restore(void);
+extern void init_thread_xstate(void);
 
 extern user_regset_active_fn fpregs_active, xfpregs_active;
 extern user_regset_get_fn fpregs_get, xfpregs_get, fpregs_soft_get;
@@ -117,24 +118,22 @@ static inline void __save_init_fpu(struct task_struct *tsk)
 	/* Using "fxsaveq %0" would be the ideal choice, but is only supported
 	   starting with gas 2.16. */
 	__asm__ __volatile__("fxsaveq %0"
-			     : "=m" (tsk->thread.i387.fxsave));
+			     : "=m" (tsk->thread.xstate->fxsave));
 #elif 0
 	/* Using, as a workaround, the properly prefixed form below isn't
 	   accepted by any binutils version so far released, complaining that
 	   the same type of prefix is used twice if an extended register is
 	   needed for addressing (fix submitted to mainline 2005-11-21). */
 	__asm__ __volatile__("rex64/fxsave %0"
-			     : "=m" (tsk->thread.i387.fxsave));
+			     : "=m" (tsk->thread.xstate->fxsave));
 #else
 	/* This, however, we can work around by forcing the compiler to select
 	   an addressing mode that doesn't require extended registers. */
-	__asm__ __volatile__("rex64/fxsave %P2(%1)"
-			     : "=m" (tsk->thread.i387.fxsave)
-			     : "cdaSDb" (tsk),
-				"i" (offsetof(__typeof__(*tsk),
-					      thread.i387.fxsave)));
+	__asm__ __volatile__("rex64/fxsave (%1)"
+			     : "=m" (tsk->thread.xstate->fxsave)
+			     : "cdaSDb" (&tsk->thread.xstate->fxsave));
 #endif
-	clear_fpu_state(&tsk->thread.i387.fxsave);
+	clear_fpu_state(&tsk->thread.xstate->fxsave);
 	task_thread_info(tsk)->status &= ~TS_USEDFPU;
 }
 
@@ -148,7 +147,7 @@ static inline int save_i387(struct _fpstate __user *buf)
 	int err = 0;
 
 	BUILD_BUG_ON(sizeof(struct user_i387_struct) !=
-			sizeof(tsk->thread.i387.fxsave));
+			sizeof(tsk->thread.xstate->fxsave));
 
 	if ((unsigned long)buf % 16)
 		printk("save_i387: bad fpstate %p\n", buf);
@@ -164,7 +163,7 @@ static inline int save_i387(struct _fpstate __user *buf)
 		task_thread_info(tsk)->status &= ~TS_USEDFPU;
 		stts();
 	} else {
-		if (__copy_to_user(buf, &tsk->thread.i387.fxsave,
+		if (__copy_to_user(buf, &tsk->thread.xstate->fxsave,
 				   sizeof(struct i387_fxsave_struct)))
 			return -1;
 	}
@@ -201,7 +200,7 @@ static inline void restore_fpu(struct task_struct *tsk)
 		"nop ; frstor %1",
 		"fxrstor %1",
 		X86_FEATURE_FXSR,
-		"m" ((tsk)->thread.i387.fxsave));
+		"m" (tsk->thread.xstate->fxsave));
 }
 
 /* We need a safe address that is cheap to find and that is already
@@ -225,8 +224,8 @@ static inline void __save_init_fpu(struct task_struct *tsk)
 		"fxsave %[fx]\n"
 		"bt $7,%[fsw] ; jnc 1f ; fnclex\n1:",
 		X86_FEATURE_FXSR,
-		[fx] "m" (tsk->thread.i387.fxsave),
-		[fsw] "m" (tsk->thread.i387.fxsave.swd) : "memory");
+		[fx] "m" (tsk->thread.xstate->fxsave),
+		[fsw] "m" (tsk->thread.xstate->fxsave.swd) : "memory");
 	/* AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception
 	   is pending.  Clear the x87 state here by setting it to fixed
 	   values. safe_address is a random variable that should be in L1 */
@@ -327,25 +326,25 @@ static inline void clear_fpu(struct task_struct *tsk)
 static inline unsigned short get_fpu_cwd(struct task_struct *tsk)
 {
 	if (cpu_has_fxsr) {
-		return tsk->thread.i387.fxsave.cwd;
+		return tsk->thread.xstate->fxsave.cwd;
 	} else {
-		return (unsigned short)tsk->thread.i387.fsave.cwd;
+		return (unsigned short)tsk->thread.xstate->fsave.cwd;
 	}
 }
 
 static inline unsigned short get_fpu_swd(struct task_struct *tsk)
 {
 	if (cpu_has_fxsr) {
-		return tsk->thread.i387.fxsave.swd;
+		return tsk->thread.xstate->fxsave.swd;
 	} else {
-		return (unsigned short)tsk->thread.i387.fsave.swd;
+		return (unsigned short)tsk->thread.xstate->fsave.swd;
 	}
 }
 
 static inline unsigned short get_fpu_mxcsr(struct task_struct *tsk)
 {
 	if (cpu_has_xmm) {
-		return tsk->thread.i387.fxsave.mxcsr;
+		return tsk->thread.xstate->fxsave.mxcsr;
 	} else {
 		return MXCSR_DEFAULT;
 	}
diff --git a/include/asm-x86/numa_64.h b/include/asm-x86/numa_64.h
index 32c22ae0709..22e87c9f6a8 100644
--- a/include/asm-x86/numa_64.h
+++ b/include/asm-x86/numa_64.h
@@ -9,7 +9,8 @@ struct bootnode {
 	u64 end;
 };
 
-extern int compute_hash_shift(struct bootnode *nodes, int numnodes);
+extern int compute_hash_shift(struct bootnode *nodes, int numblks,
+			      int *nodeids);
 
 #define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT))
 
diff --git a/include/asm-x86/pci_64.h b/include/asm-x86/pci_64.h
index df867e5d80b..f330234ffa5 100644
--- a/include/asm-x86/pci_64.h
+++ b/include/asm-x86/pci_64.h
@@ -22,6 +22,7 @@ extern int (*pci_config_read)(int seg, int bus, int dev, int fn,
 extern int (*pci_config_write)(int seg, int bus, int dev, int fn,
 			       int reg, int len, u32 value);
 
+extern void dma32_reserve_bootmem(void);
 extern void pci_iommu_alloc(void);
 
 /* The PCI address space does equal the physical memory
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 6e26c7c717a..e6bf92ddeb2 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -354,7 +354,7 @@ struct i387_soft_struct {
 	u32			entry_eip;
 };
 
-union i387_union {
+union thread_xstate {
 	struct i387_fsave_struct	fsave;
 	struct i387_fxsave_struct	fxsave;
 	struct i387_soft_struct		soft;
@@ -365,6 +365,9 @@ DECLARE_PER_CPU(struct orig_ist, orig_ist);
 #endif
 
 extern void print_cpu_info(struct cpuinfo_x86 *);
+extern unsigned int xstate_size;
+extern void free_thread_xstate(struct task_struct *);
+extern struct kmem_cache *task_xstate_cachep;
 extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
 extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
 extern unsigned short num_cache_leaves;
@@ -397,8 +400,8 @@ struct thread_struct {
 	unsigned long		cr2;
 	unsigned long		trap_no;
 	unsigned long		error_code;
-	/* Floating point info: */
-	union i387_union	i387 __attribute__((aligned(16)));;
+	/* floating point and extended processor state */
+	union thread_xstate	*xstate;
 #ifdef CONFIG_X86_32
 	/* Virtual 86 mode info */
 	struct vm86_struct __user *vm86_info;
@@ -918,4 +921,11 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip,
 
 #define KSTK_EIP(task)		(task_pt_regs(task)->ip)
 
+/* Get/set a process' ability to use the timestamp counter instruction */
+#define GET_TSC_CTL(adr)	get_tsc_mode((adr))
+#define SET_TSC_CTL(val)	set_tsc_mode((val))
+
+extern int get_tsc_mode(unsigned long adr);
+extern int set_tsc_mode(unsigned int val);
+
 #endif
diff --git a/include/asm-x86/scatterlist.h b/include/asm-x86/scatterlist.h
index d13c197866d..c0432061f81 100644
--- a/include/asm-x86/scatterlist.h
+++ b/include/asm-x86/scatterlist.h
@@ -11,9 +11,7 @@ struct scatterlist {
 	unsigned int	offset;
 	unsigned int	length;
 	dma_addr_t	dma_address;
-#ifdef CONFIG_X86_64
 	unsigned int	dma_length;
-#endif
 };
 
 #define ARCH_HAS_SG_CHAIN
diff --git a/include/asm-x86/thread_info.h b/include/asm-x86/thread_info.h
index d5fd12f2abd..77244f17993 100644
--- a/include/asm-x86/thread_info.h
+++ b/include/asm-x86/thread_info.h
@@ -1,5 +1,14 @@
+#ifndef _ASM_X86_THREAD_INFO_H
 #ifdef CONFIG_X86_32
 # include "thread_info_32.h"
 #else
 # include "thread_info_64.h"
 #endif
+
+#ifndef __ASSEMBLY__
+extern void arch_task_cache_init(void);
+extern void free_thread_info(struct thread_info *ti);
+extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
+#define arch_task_cache_init arch_task_cache_init
+#endif
+#endif /* _ASM_X86_THREAD_INFO_H */
diff --git a/include/asm-x86/thread_info_32.h b/include/asm-x86/thread_info_32.h
index 4e053fa561a..53185996209 100644
--- a/include/asm-x86/thread_info_32.h
+++ b/include/asm-x86/thread_info_32.h
@@ -102,8 +102,6 @@ static inline struct thread_info *current_thread_info(void)
 	__get_free_pages(GFP_KERNEL, get_order(THREAD_SIZE)))
 #endif
 
-#define free_thread_info(info)	free_pages((unsigned long)(info), get_order(THREAD_SIZE))
-
 #else /* !__ASSEMBLY__ */
 
 /* how to get the thread information struct from ASM */
diff --git a/include/asm-x86/thread_info_64.h b/include/asm-x86/thread_info_64.h
index 1e5c6f6152c..ed664e874de 100644
--- a/include/asm-x86/thread_info_64.h
+++ b/include/asm-x86/thread_info_64.h
@@ -85,8 +85,6 @@ static inline struct thread_info *stack_thread_info(void)
 #define alloc_thread_info(tsk)						\
 	((struct thread_info *)__get_free_pages(THREAD_FLAGS, THREAD_ORDER))
 
-#define free_thread_info(ti) free_pages((unsigned long) (ti), THREAD_ORDER)
-
 #else /* !__ASSEMBLY__ */
 
 /* how to get the thread information struct from ASM */
@@ -126,6 +124,7 @@ static inline struct thread_info *stack_thread_info(void)
 #define TIF_DEBUGCTLMSR		25	/* uses thread_struct.debugctlmsr */
 #define TIF_DS_AREA_MSR		26      /* uses thread_struct.ds_area_msr */
 #define TIF_BTS_TRACE_TS	27      /* record scheduling event timestamps */
+#define TIF_NOTSC		28	/* TSC is not accessible in userland */
 
 #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
@@ -147,6 +146,7 @@ static inline struct thread_info *stack_thread_info(void)
 #define _TIF_DEBUGCTLMSR	(1 << TIF_DEBUGCTLMSR)
 #define _TIF_DS_AREA_MSR	(1 << TIF_DS_AREA_MSR)
 #define _TIF_BTS_TRACE_TS	(1 << TIF_BTS_TRACE_TS)
+#define _TIF_NOTSC		(1 << TIF_NOTSC)
 
 /* work to do on interrupt/exception return */
 #define _TIF_WORK_MASK							\
@@ -160,7 +160,7 @@ static inline struct thread_info *stack_thread_info(void)
 
 /* flags to check in __switch_to() */
 #define _TIF_WORK_CTXSW							\
-	(_TIF_IO_BITMAP|_TIF_DEBUGCTLMSR|_TIF_DS_AREA_MSR|_TIF_BTS_TRACE_TS)
+	(_TIF_IO_BITMAP|_TIF_DEBUGCTLMSR|_TIF_DS_AREA_MSR|_TIF_BTS_TRACE_TS|_TIF_NOTSC)
 #define _TIF_WORK_CTXSW_PREV _TIF_WORK_CTXSW
 #define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW|_TIF_DEBUG)
 
diff --git a/include/asm-x86/tsc.h b/include/asm-x86/tsc.h
index d2d8eb5b55f..0434bd8349a 100644
--- a/include/asm-x86/tsc.h
+++ b/include/asm-x86/tsc.h
@@ -18,6 +18,7 @@ extern unsigned int cpu_khz;
 extern unsigned int tsc_khz;
 
 extern void disable_TSC(void);
+extern void enable_TSC(void);
 
 static inline cycles_t get_cycles(void)
 {
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 14813b59580..a5f359a7ad0 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -18,6 +18,7 @@
 #include <linux/proc_fs.h>
 #include <linux/rtc.h>
 #include <linux/ioport.h>
+#include <linux/pfn.h>
 
 #include <asm/page.h>
 #include <asm/system.h>
@@ -394,4 +395,10 @@ struct efi_generic_dev_path {
 	u16 length;
 } __attribute ((packed));
 
+static inline void memrange_efi_to_native(u64 *addr, u64 *npages)
+{
+	*npages = PFN_UP(*addr + (*npages<<EFI_PAGE_SHIFT)) - PFN_DOWN(*addr);
+	*addr &= PAGE_MASK;
+}
+
 #endif /* _LINUX_EFI_H */
diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
index 412e025bc5c..e600c4e9b8c 100644
--- a/include/linux/irqflags.h
+++ b/include/linux/irqflags.h
@@ -84,10 +84,10 @@
 
 #define irqs_disabled()						\
 ({								\
-	unsigned long flags;					\
+	unsigned long _flags;					\
 								\
-	raw_local_save_flags(flags);				\
-	raw_irqs_disabled_flags(flags);				\
+	raw_local_save_flags(_flags);				\
+	raw_irqs_disabled_flags(_flags);			\
 })
 
 #define irqs_disabled_flags(flags)	raw_irqs_disabled_flags(flags)
diff --git a/include/linux/prctl.h b/include/linux/prctl.h
index 3800639775a..5c80b193963 100644
--- a/include/linux/prctl.h
+++ b/include/linux/prctl.h
@@ -67,4 +67,10 @@
 #define PR_CAPBSET_READ 23
 #define PR_CAPBSET_DROP 24
 
+/* Get/set the process' ability to use the timestamp counter instruction */
+#define PR_GET_TSC 25
+#define PR_SET_TSC 26
+# define PR_TSC_ENABLE		1	/* allow the use of the timestamp counter */
+# define PR_TSC_SIGSEGV		2	/* throw a SIGSEGV instead of reading the TSC */
+
 #endif /* _LINUX_PRCTL_H */