Merge branch 'x86/cpu' into x86/core

Conflicts:

	arch/x86/kernel/cpu/feature_names.c
	include/asm-x86/cpufeature.h

7 files changed, 92 insertions, 37 deletions

diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 45329fca1b6..7b95d205839 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -3,11 +3,48 @@
 
 #ifdef __KERNEL__
 
-#include <linux/mm.h> /* need struct page */
-
+#include <linux/mm_types.h>
 #include <linux/scatterlist.h>
 
 #include <asm-generic/dma-coherent.h>
+#include <asm/memory.h>
+
+/*
+ * page_to_dma/dma_to_virt/virt_to_dma are architecture private functions
+ * used internally by the DMA-mapping API to provide DMA addresses. They
+ * must not be used by drivers.
+ */
+#ifndef __arch_page_to_dma
+static inline dma_addr_t page_to_dma(struct device *dev, struct page *page)
+{
+	return (dma_addr_t)__virt_to_bus((unsigned long)page_address(page));
+}
+
+static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
+{
+	return (void *)__bus_to_virt(addr);
+}
+
+static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
+{
+	return (dma_addr_t)__virt_to_bus((unsigned long)(addr));
+}
+#else
+static inline dma_addr_t page_to_dma(struct device *dev, struct page *page)
+{
+	return __arch_page_to_dma(dev, page);
+}
+
+static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
+{
+	return __arch_dma_to_virt(dev, addr);
+}
+
+static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
+{
+	return __arch_virt_to_dma(dev, addr);
+}
+#endif
 
 /*
  * DMA-consistent mapping functions.  These allocate/free a region of
@@ -169,7 +206,7 @@ dma_map_single(struct device *dev, void *cpu_addr, size_t size,
 	if (!arch_is_coherent())
 		dma_cache_maint(cpu_addr, size, dir);
 
-	return virt_to_dma(dev, (unsigned long)cpu_addr);
+	return virt_to_dma(dev, cpu_addr);
 }
 #else
 extern dma_addr_t dma_map_single(struct device *,void *, size_t, enum dma_data_direction);
@@ -195,7 +232,7 @@ dma_map_page(struct device *dev, struct page *page,
 	     unsigned long offset, size_t size,
 	     enum dma_data_direction dir)
 {
-	return dma_map_single(dev, page_address(page) + offset, size, (int)dir);
+	return dma_map_single(dev, page_address(page) + offset, size, dir);
 }
 
 /**
@@ -241,7 +278,7 @@ static inline void
 dma_unmap_page(struct device *dev, dma_addr_t handle, size_t size,
 	       enum dma_data_direction dir)
 {
-	dma_unmap_single(dev, handle, size, (int)dir);
+	dma_unmap_single(dev, handle, size, dir);
 }
 
 /**
@@ -314,11 +351,12 @@ extern void dma_unmap_sg(struct device *, struct scatterlist *, int, enum dma_da
 
 
 /**
- * dma_sync_single_for_cpu
+ * dma_sync_single_range_for_cpu
  * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
  * @handle: DMA address of buffer
- * @size: size of buffer to map
- * @dir: DMA transfer direction
+ * @offset: offset of region to start sync
+ * @size: size of region to sync
+ * @dir: DMA transfer direction (same as passed to dma_map_single)
  *
  * Make physical memory consistent for a single streaming mode DMA
  * translation after a transfer.
@@ -332,25 +370,41 @@ extern void dma_unmap_sg(struct device *, struct scatterlist *, int, enum dma_da
  */
 #ifndef CONFIG_DMABOUNCE
 static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size,
-			enum dma_data_direction dir)
+dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t handle,
+			      unsigned long offset, size_t size,
+			      enum dma_data_direction dir)
 {
 	if (!arch_is_coherent())
-		dma_cache_maint((void *)dma_to_virt(dev, handle), size, dir);
+		dma_cache_maint(dma_to_virt(dev, handle) + offset, size, dir);
 }
 
 static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size,
-			   enum dma_data_direction dir)
+dma_sync_single_range_for_device(struct device *dev, dma_addr_t handle,
+				 unsigned long offset, size_t size,
+				 enum dma_data_direction dir)
 {
 	if (!arch_is_coherent())
-		dma_cache_maint((void *)dma_to_virt(dev, handle), size, dir);
+		dma_cache_maint(dma_to_virt(dev, handle) + offset, size, dir);
 }
 #else
-extern void dma_sync_single_for_cpu(struct device*, dma_addr_t, size_t, enum dma_data_direction);
-extern void dma_sync_single_for_device(struct device*, dma_addr_t, size_t, enum dma_data_direction);
+extern void dma_sync_single_range_for_cpu(struct device *, dma_addr_t, unsigned long, size_t, enum dma_data_direction);
+extern void dma_sync_single_range_for_device(struct device *, dma_addr_t, unsigned long, size_t, enum dma_data_direction);
 #endif
 
+static inline void
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size,
+			enum dma_data_direction dir)
+{
+	dma_sync_single_range_for_cpu(dev, handle, 0, size, dir);
+}
+
+static inline void
+dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size,
+			   enum dma_data_direction dir)
+{
+	dma_sync_single_range_for_device(dev, handle, 0, size, dir);
+}
+
 
 /**
  * dma_sync_sg_for_cpu
diff --git a/arch/arm/include/asm/kexec.h b/arch/arm/include/asm/kexec.h
index c8986bb99ed..df15a0dc228 100644
--- a/arch/arm/include/asm/kexec.h
+++ b/arch/arm/include/asm/kexec.h
@@ -10,7 +10,7 @@
 /* Maximum address we can use for the control code buffer */
 #define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
 
-#define KEXEC_CONTROL_CODE_SIZE	4096
+#define KEXEC_CONTROL_PAGE_SIZE	4096
 
 #define KEXEC_ARCH KEXEC_ARCH_ARM
 
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 1e070a2b561..bf7c737c922 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -150,6 +150,14 @@
 #endif
 
 /*
+ * Amount of memory reserved for the vmalloc() area, and minimum
+ * address for vmalloc mappings.
+ */
+extern unsigned long vmalloc_reserve;
+
+#define VMALLOC_MIN		(void *)(VMALLOC_END - vmalloc_reserve)
+
+/*
  * PFNs are used to describe any physical page; this means
  * PFN 0 == physical address 0.
  *
@@ -306,20 +314,6 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
 #define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
 
 /*
- * Optional device DMA address remapping. Do _not_ use directly!
- * We should really eliminate virt_to_bus() here - it's deprecated.
- */
-#ifndef __arch_page_to_dma
-#define page_to_dma(dev, page)		((dma_addr_t)__virt_to_bus((unsigned long)page_address(page)))
-#define dma_to_virt(dev, addr)		((void *)__bus_to_virt(addr))
-#define virt_to_dma(dev, addr)		((dma_addr_t)__virt_to_bus((unsigned long)(addr)))
-#else
-#define page_to_dma(dev, page)		(__arch_page_to_dma(dev, page))
-#define dma_to_virt(dev, addr)		(__arch_dma_to_virt(dev, addr))
-#define virt_to_dma(dev, addr)		(__arch_virt_to_dma(dev, addr))
-#endif
-
-/*
  * Optional coherency support.  Currently used only by selected
  * Intel XSC3-based systems.
  */
diff --git a/arch/arm/include/asm/mtd-xip.h b/arch/arm/include/asm/mtd-xip.h
index 4225372a26f..d8fbe2d9b8b 100644
--- a/arch/arm/include/asm/mtd-xip.h
+++ b/arch/arm/include/asm/mtd-xip.h
@@ -10,8 +10,6 @@
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
- *
- * $Id: xip.h,v 1.2 2004/12/01 15:49:10 nico Exp $
  */
 
 #ifndef __ARM_MTD_XIP_H__
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index b01d5e7e3d5..517a4d6ffc7 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -112,9 +112,9 @@ extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
 static inline void prefetch(const void *ptr)
 {
 	__asm__ __volatile__(
-		"pld\t%0"
+		"pld\t%a0"
 		:
-		: "o" (*(char *)ptr)
+		: "p" (ptr)
 		: "cc");
 }
 
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index 0d0d40f1b59..b543a054a17 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -54,6 +54,7 @@
  *	  v4wbi - ARMv4 with write buffer with I TLB flush entry instruction
  *	  fr    - Feroceon (v4wbi with non-outer-cacheable page table walks)
  *	  v6wbi - ARMv6 with write buffer with I TLB flush entry instruction
+ *	  v7wbi - identical to v6wbi
  */
 #undef _TLB
 #undef MULTI_TLB
@@ -266,14 +267,16 @@ extern struct cpu_tlb_fns cpu_tlb;
 				 v4wbi_possible_flags | \
 				 fr_possible_flags | \
 				 v4wb_possible_flags | \
-				 v6wbi_possible_flags)
+				 v6wbi_possible_flags | \
+				 v7wbi_possible_flags)
 
 #define always_tlb_flags	(v3_always_flags & \
 				 v4_always_flags & \
 				 v4wbi_always_flags & \
 				 fr_always_flags & \
 				 v4wb_always_flags & \
-				 v6wbi_always_flags)
+				 v6wbi_always_flags & \
+				 v7wbi_always_flags)
 
 #define tlb_flag(f)	((always_tlb_flags & (f)) || (__tlb_flag & possible_tlb_flags & (f)))
 
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index f95fbb2fcb5..010618487cf 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -381,6 +381,12 @@
 #define __NR_fallocate			(__NR_SYSCALL_BASE+352)
 #define __NR_timerfd_settime		(__NR_SYSCALL_BASE+353)
 #define __NR_timerfd_gettime		(__NR_SYSCALL_BASE+354)
+#define __NR_signalfd4			(__NR_SYSCALL_BASE+355)
+#define __NR_eventfd2			(__NR_SYSCALL_BASE+356)
+#define __NR_epoll_create1		(__NR_SYSCALL_BASE+357)
+#define __NR_dup3			(__NR_SYSCALL_BASE+358)
+#define __NR_pipe2			(__NR_SYSCALL_BASE+359)
+#define __NR_inotify_init1		(__NR_SYSCALL_BASE+360)
 
 /*
  * The following SWIs are ARM private.