Merge commit 'origin/master' into for-linus/xen/master

* commit 'origin/master': (4825 commits)
  Fix build errors due to CONFIG_BRANCH_TRACER=y
  parport: Use the PCI IRQ if offered
  tty: jsm cleanups
  Adjust path to gpio headers
  KGDB_SERIAL_CONSOLE check for module
  Change KCONFIG name
  tty: Blackin CTS/RTS
  Change hardware flow control from poll to interrupt driven
  Add support for the MAX3100 SPI UART.
  lanana: assign a device name and numbering for MAX3100
  serqt: initial clean up pass for tty side
  tty: Use the generic RS485 ioctl on CRIS
  tty: Correct inline types for tty_driver_kref_get()
  splice: fix deadlock in splicing to file
  nilfs2: support nanosecond timestamp
  nilfs2: introduce secondary super block
  nilfs2: simplify handling of active state of segments
  nilfs2: mark minor flag for checkpoint created by internal operation
  nilfs2: clean up sketch file
  nilfs2: super block operations fix endian bug
  ...

Conflicts:
	arch/x86/include/asm/thread_info.h
	arch/x86/lguest/boot.c
	drivers/xen/manage.c

4 files changed, 33 insertions, 319 deletions

diff --git a/include/asm-generic/dma-mapping.h b/include/asm-generic/dma-mapping.h
deleted file mode 100644
index 189486c3f92e..000000000000
--- a/include/asm-generic/dma-mapping.h
+++ /dev/null
@@ -1,308 +0,0 @@
-/* Copyright (C) 2002 by James.Bottomley@HansenPartnership.com 
- *
- * Implements the generic device dma API via the existing pci_ one
- * for unconverted architectures
- */
-
-#ifndef _ASM_GENERIC_DMA_MAPPING_H
-#define _ASM_GENERIC_DMA_MAPPING_H
-
-
-#ifdef CONFIG_PCI
-
-/* we implement the API below in terms of the existing PCI one,
- * so include it */
-#include <linux/pci.h>
-/* need struct page definitions */
-#include <linux/mm.h>
-
-static inline int
-dma_supported(struct device *dev, u64 mask)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        return pci_dma_supported(to_pci_dev(dev), mask);
-}
-
-static inline int
-dma_set_mask(struct device *dev, u64 dma_mask)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
-}
-
-static inline void *
-dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-                   gfp_t flag)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        return pci_alloc_consistent(to_pci_dev(dev), size, dma_handle);
-}
-
-static inline void
-dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
-                    dma_addr_t dma_handle)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
-}
-
-static inline dma_addr_t
-dma_map_single(struct device *dev, void *cpu_addr, size_t size,
-               enum dma_data_direction direction)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
-}
-
-static inline void
-dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
-                 enum dma_data_direction direction)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
-}
-
-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(dev->bus != &pci_bus_type);
-
-        return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction);
-}
-
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
-               enum dma_data_direction direction)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction);
-}
-
-static inline int
-dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
-           enum dma_data_direction direction)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
-}
-
-static inline void
-dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
-             enum dma_data_direction direction)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)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)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        pci_dma_sync_single_for_cpu(to_pci_dev(dev), dma_handle,
-                                    size, (int)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)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        pci_dma_sync_single_for_device(to_pci_dev(dev), dma_handle,
-                                       size, (int)direction);
-}
-
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
-                    enum dma_data_direction direction)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        pci_dma_sync_sg_for_cpu(to_pci_dev(dev), sg, nelems, (int)direction);
-}
-
-static inline void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
-                       enum dma_data_direction direction)
-{
-        BUG_ON(dev->bus != &pci_bus_type);
-
-        pci_dma_sync_sg_for_device(to_pci_dev(dev), sg, nelems, (int)direction);
-}
-
-static inline int
-dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
-        return pci_dma_mapping_error(to_pci_dev(dev), dma_addr);
-}
-
-
-#else
-
-static inline int
-dma_supported(struct device *dev, u64 mask)
-{
-        return 0;
-}
-
-static inline int
-dma_set_mask(struct device *dev, u64 dma_mask)
-{
-        BUG();
-        return 0;
-}
-
-static inline void *
-dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-                   gfp_t flag)
-{
-        BUG();
-        return NULL;
-}
-
-static inline void
-dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
-                    dma_addr_t dma_handle)
-{
-        BUG();
-}
-
-static inline dma_addr_t
-dma_map_single(struct device *dev, void *cpu_addr, size_t size,
-               enum dma_data_direction direction)
-{
-        BUG();
-        return 0;
-}
-
-static inline void
-dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
-                 enum dma_data_direction direction)
-{
-        BUG();
-}
-
-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();
-        return 0;
-}
-
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
-               enum dma_data_direction direction)
-{
-        BUG();
-}
-
-static inline int
-dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
-           enum dma_data_direction direction)
-{
-        BUG();
-        return 0;
-}
-
-static inline void
-dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
-             enum dma_data_direction direction)
-{
-        BUG();
-}
-
-static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
-                        enum dma_data_direction direction)
-{
-        BUG();
-}
-
-static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
-                           enum dma_data_direction direction)
-{
-        BUG();
-}
-
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
-                    enum dma_data_direction direction)
-{
-        BUG();
-}
-
-static inline void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
-                       enum dma_data_direction direction)
-{
-        BUG();
-}
-
-static inline int
-dma_error(dma_addr_t dma_addr)
-{
-        return 0;
-}
-
-#endif
-
-/* Now for the API extensions over the pci_ one */
-
-#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_is_consistent(d, h) (1)
-
-static inline int
-dma_get_cache_alignment(void)
-{
-        /* no easy way to get cache size on all processors, so return
-         * the maximum possible, to be safe */
-        return (1 << INTERNODE_CACHE_SHIFT);
-}
-
-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)
-{
-        /* just sync everything, that's all the pci API can do */
-        dma_sync_single_for_cpu(dev, dma_handle, offset+size, 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)
-{
-        /* just sync everything, that's all the pci API can do */
-        dma_sync_single_for_device(dev, dma_handle, offset+size, direction);
-}
-
-static inline void
-dma_cache_sync(struct device *dev, void *vaddr, size_t size,
-               enum dma_data_direction direction)
-{
-        /* could define this in terms of the dma_cache ... operations,
-         * but if you get this on a platform, you should convert the platform
-         * to using the generic device DMA API */
-        BUG();
-}
-
-#endif
-
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 81797ec9ab29..d6c379dc64fa 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -55,6 +55,10 @@ struct module;
  *      handled is (base + ngpio - 1).
  * @can_sleep: flag must be set iff get()/set() methods sleep, as they
  *      must while accessing GPIO expander chips over I2C or SPI
+ * @names: if set, must be an array of strings to use as alternative
+ *      names for the GPIOs in this chip. Any entry in the array
+ *      may be NULL if there is no alias for the GPIO, however the
+ *      array must be @ngpio entries long.
  *
  * A gpio_chip can help platforms abstract various sources of GPIOs so
  * they can all be accessed through a common programing interface.
@@ -92,6 +96,7 @@ struct gpio_chip {
                                                 struct gpio_chip *chip);
         int                     base;
         u16                     ngpio;
+        char                    **names;
         unsigned                can_sleep:1;
         unsigned                exported:1;
 };
diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h
index 0e9e2bc0ee96..88bada2ebc4b 100644
--- a/include/asm-generic/topology.h
+++ b/include/asm-generic/topology.h
@@ -43,20 +43,10 @@
 #ifndef cpumask_of_node
 #define cpumask_of_node(node)   ((void)node, cpu_online_mask)
 #endif
-#ifndef node_to_first_cpu
-#define node_to_first_cpu(node) ((void)(node),0)
-#endif
 #ifndef pcibus_to_node
 #define pcibus_to_node(bus)     ((void)(bus), -1)
 #endif
 
-#ifndef pcibus_to_cpumask
-#define pcibus_to_cpumask(bus)  (pcibus_to_node(bus) == -1 ? \
-                                        CPU_MASK_ALL : \
-                                        node_to_cpumask(pcibus_to_node(bus)) \
-                                )
-#endif
-
 #ifndef cpumask_of_pcibus
 #define cpumask_of_pcibus(bus)  (pcibus_to_node(bus) == -1 ?            \
                                  cpu_all_mask :                         \
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index a654d724d3b0..7fa660fd449c 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -61,6 +61,30 @@
 #define BRANCH_PROFILE()
 #endif
 
+#ifdef CONFIG_EVENT_TRACER
+#define FTRACE_EVENTS() VMLINUX_SYMBOL(__start_ftrace_events) = .;      \
+                        *(_ftrace_events)                               \
+                        VMLINUX_SYMBOL(__stop_ftrace_events) = .;
+#else
+#define FTRACE_EVENTS()
+#endif
+
+#ifdef CONFIG_TRACING
+#define TRACE_PRINTKS() VMLINUX_SYMBOL(__start___trace_bprintk_fmt) = .;      \
+                         *(__trace_printk_fmt) /* Trace_printk fmt' pointer */ \
+                         VMLINUX_SYMBOL(__stop___trace_bprintk_fmt) = .;
+#else
+#define TRACE_PRINTKS()
+#endif
+
+#ifdef CONFIG_FTRACE_SYSCALLS
+#define TRACE_SYSCALLS() VMLINUX_SYMBOL(__start_syscalls_metadata) = .; \
+                         *(__syscalls_metadata)                         \
+                         VMLINUX_SYMBOL(__stop_syscalls_metadata) = .;
+#else
+#define TRACE_SYSCALLS()
+#endif
+
 /* .data section */
 #define DATA_DATA                                                       \
         *(.data)                                                        \
@@ -86,7 +110,10 @@
         *(__verbose)                                                    \
         VMLINUX_SYMBOL(__stop___verbose) = .;                           \
         LIKELY_PROFILE()                                                \
-        BRANCH_PROFILE()
+        BRANCH_PROFILE()                                                \
+        TRACE_PRINTKS()                                                 \
+        FTRACE_EVENTS()                                                 \
+        TRACE_SYSCALLS()
 
 #define RO_DATA(align)                                                  \
         . = ALIGN((align));                                             \