171 files changed, 1034 insertions, 3707 deletions

diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index bd7261ea8f94..75291fdd379f 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -10,6 +10,7 @@ config ALPHA
         select HAVE_OPROFILE
         select HAVE_SYSCALL_WRAPPERS
         select HAVE_PERF_EVENTS
+        select HAVE_DMA_ATTRS
         help
           The Alpha is a 64-bit general-purpose processor designed and
           marketed by the Digital Equipment Corporation of blessed memory,
@@ -58,6 +59,9 @@ config ZONE_DMA
         bool
         default y
 
+config NEED_DMA_MAP_STATE
+       def_bool y
+
 config GENERIC_ISA_DMA
         bool
         default y
diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h
index 04eb5681448c..1bce8169733c 100644
--- a/arch/alpha/include/asm/dma-mapping.h
+++ b/arch/alpha/include/asm/dma-mapping.h
@@ -1,71 +1,49 @@
 #ifndef _ALPHA_DMA_MAPPING_H
 #define _ALPHA_DMA_MAPPING_H
 
+#include <linux/dma-attrs.h>
 
-#ifdef CONFIG_PCI
+extern struct dma_map_ops *dma_ops;
 
-#include <linux/pci.h>
+static inline struct dma_map_ops *get_dma_ops(struct device *dev)
+{
+        return dma_ops;
+}
 
-#define dma_map_single(dev, va, size, dir)              \
-                pci_map_single(alpha_gendev_to_pci(dev), va, size, dir)
-#define dma_unmap_single(dev, addr, size, dir)          \
-                pci_unmap_single(alpha_gendev_to_pci(dev), addr, size, dir)
-#define dma_alloc_coherent(dev, size, addr, gfp)        \
-              __pci_alloc_consistent(alpha_gendev_to_pci(dev), size, addr, gfp)
-#define dma_free_coherent(dev, size, va, addr)          \
-                pci_free_consistent(alpha_gendev_to_pci(dev), size, va, addr)
-#define dma_map_page(dev, page, off, size, dir)         \
-                pci_map_page(alpha_gendev_to_pci(dev), page, off, size, dir)
-#define dma_unmap_page(dev, addr, size, dir)            \
-                pci_unmap_page(alpha_gendev_to_pci(dev), addr, size, dir)
-#define dma_map_sg(dev, sg, nents, dir)                 \
-                pci_map_sg(alpha_gendev_to_pci(dev), sg, nents, dir)
-#define dma_unmap_sg(dev, sg, nents, dir)               \
-                pci_unmap_sg(alpha_gendev_to_pci(dev), sg, nents, dir)
-#define dma_supported(dev, mask)                        \
-                pci_dma_supported(alpha_gendev_to_pci(dev), mask)
-#define dma_mapping_error(dev, addr)                            \
-                pci_dma_mapping_error(alpha_gendev_to_pci(dev), addr)
+#include <asm-generic/dma-mapping-common.h>
 
-#else   /* no PCI - no IOMMU. */
+static inline void *dma_alloc_coherent(struct device *dev, size_t size,
+                                       dma_addr_t *dma_handle, gfp_t gfp)
+{
+        return get_dma_ops(dev)->alloc_coherent(dev, size, dma_handle, gfp);
+}
 
-#include <asm/io.h>     /* for virt_to_phys() */
+static inline void dma_free_coherent(struct device *dev, size_t size,
+                                     void *vaddr, dma_addr_t dma_handle)
+{
+        get_dma_ops(dev)->free_coherent(dev, size, vaddr, dma_handle);
+}
 
-struct scatterlist;
-void *dma_alloc_coherent(struct device *dev, size_t size,
-                         dma_addr_t *dma_handle, gfp_t gfp);
-int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
-               enum dma_data_direction direction);
+static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+        return get_dma_ops(dev)->mapping_error(dev, dma_addr);
+}
 
-#define dma_free_coherent(dev, size, va, addr)          \
-                free_pages((unsigned long)va, get_order(size))
-#define dma_supported(dev, mask)                (mask < 0x00ffffffUL ? 0 : 1)
-#define dma_map_single(dev, va, size, dir)      virt_to_phys(va)
-#define dma_map_page(dev, page, off, size, dir) (page_to_pa(page) + off)
+static inline int dma_supported(struct device *dev, u64 mask)
+{
+        return get_dma_ops(dev)->dma_supported(dev, mask);
+}
 
-#define dma_unmap_single(dev, addr, size, dir)  ((void)0)
-#define dma_unmap_page(dev, addr, size, dir)    ((void)0)
-#define dma_unmap_sg(dev, sg, nents, dir)       ((void)0)
-
-#define dma_mapping_error(dev, addr)  (0)
-
-#endif  /* !CONFIG_PCI */
+static inline int dma_set_mask(struct device *dev, u64 mask)
+{
+        return get_dma_ops(dev)->set_dma_mask(dev, mask);
+}
 
 #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)
 
-int dma_set_mask(struct device *dev, u64 mask);
-
-#define dma_sync_single_for_cpu(dev, addr, size, dir)     ((void)0)
-#define dma_sync_single_for_device(dev, addr, size, dir)  ((void)0)
-#define dma_sync_single_range(dev, addr, off, size, dir)  ((void)0)
-#define dma_sync_sg_for_cpu(dev, sg, nents, dir)          ((void)0)
-#define dma_sync_sg_for_device(dev, sg, nents, dir)       ((void)0)
 #define dma_cache_sync(dev, va, size, dir)                ((void)0)
-#define dma_sync_single_range_for_cpu(dev, addr, offset, size, dir)     ((void)0)
-#define dma_sync_single_range_for_device(dev, addr, offset, size, dir)  ((void)0)
-
 #define dma_get_cache_alignment()                         L1_CACHE_BYTES
 
 #endif  /* _ALPHA_DMA_MAPPING_H */
diff --git a/arch/alpha/include/asm/pci.h b/arch/alpha/include/asm/pci.h
index dd8dcabf160f..28d0497fd3c7 100644
--- a/arch/alpha/include/asm/pci.h
+++ b/arch/alpha/include/asm/pci.h
@@ -70,142 +70,11 @@ extern inline void pcibios_penalize_isa_irq(int irq, int active)
    decisions.  */
 #define PCI_DMA_BUS_IS_PHYS  0
 
-/* Allocate and map kernel buffer using consistent mode DMA for PCI
-   device.  Returns non-NULL cpu-view pointer to the buffer if
-   successful and sets *DMA_ADDRP to the pci side dma address as well,
-   else DMA_ADDRP is undefined.  */
-
-extern void *__pci_alloc_consistent(struct pci_dev *, size_t,
-                                    dma_addr_t *, gfp_t);
-static inline void *
-pci_alloc_consistent(struct pci_dev *dev, size_t size, dma_addr_t *dma)
-{
-        return __pci_alloc_consistent(dev, size, dma, GFP_ATOMIC);
-}
-
-/* Free and unmap a consistent DMA buffer.  CPU_ADDR and DMA_ADDR must
-   be values that were returned from pci_alloc_consistent.  SIZE must
-   be the same as what as passed into pci_alloc_consistent.
-   References to the memory and mappings associated with CPU_ADDR or
-   DMA_ADDR past this call are illegal.  */
-
-extern void pci_free_consistent(struct pci_dev *, size_t, void *, dma_addr_t);
-
-/* Map a single buffer of the indicate size for PCI DMA in streaming mode.
-   The 32-bit PCI bus mastering address to use is returned.  Once the device
-   is given the dma address, the device owns this memory until either
-   pci_unmap_single or pci_dma_sync_single_for_cpu is performed.  */
-
-extern dma_addr_t pci_map_single(struct pci_dev *, void *, size_t, int);
-
-/* Likewise, but for a page instead of an address.  */
-extern dma_addr_t pci_map_page(struct pci_dev *, struct page *,
-                               unsigned long, size_t, int);
-
-/* Test for pci_map_single or pci_map_page having generated an error.  */
-
-static inline int
-pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr)
-{
-        return dma_addr == 0;
-}
-
-/* Unmap a single streaming mode DMA translation.  The DMA_ADDR and
-   SIZE must match what was provided for in a previous pci_map_single
-   call.  All other usages are undefined.  After this call, reads by
-   the cpu to the buffer are guaranteed to see whatever the device
-   wrote there.  */
-
-extern void pci_unmap_single(struct pci_dev *, dma_addr_t, size_t, int);
-extern void pci_unmap_page(struct pci_dev *, dma_addr_t, size_t, int);
-
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       \
-        dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         \
-        __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)                  \
-        ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)         \
-        (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)                    \
-        ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)           \
-        (((PTR)->LEN_NAME) = (VAL))
-
-/* Map a set of buffers described by scatterlist in streaming mode for
-   PCI DMA.  This is the scatter-gather version of the above
-   pci_map_single interface.  Here the scatter gather list elements
-   are each tagged with the appropriate PCI dma address and length.
-   They are obtained via sg_dma_{address,length}(SG).
-
-   NOTE: An implementation may be able to use a smaller number of DMA
-   address/length pairs than there are SG table elements.  (for
-   example via virtual mapping capabilities) The routine returns the
-   number of addr/length pairs actually used, at most nents.
-
-   Device ownership issues as mentioned above for pci_map_single are
-   the same here.  */
-
-extern int pci_map_sg(struct pci_dev *, struct scatterlist *, int, int);
-
-/* Unmap a set of streaming mode DMA translations.  Again, cpu read
-   rules concerning calls here are the same as for pci_unmap_single()
-   above.  */
-
-extern void pci_unmap_sg(struct pci_dev *, struct scatterlist *, int, int);
-
-/* Make physical memory consistent for a single streaming mode DMA
-   translation after a transfer and device currently has ownership
-   of the buffer.
-
-   If you perform a pci_map_single() but wish to interrogate the
-   buffer using the cpu, yet do not wish to teardown the PCI dma
-   mapping, you must call this function before doing so.  At the next
-   point you give the PCI dma address back to the card, you must first
-   perform a pci_dma_sync_for_device, and then the device again owns
-   the buffer.  */
-
-static inline void
-pci_dma_sync_single_for_cpu(struct pci_dev *dev, dma_addr_t dma_addr,
-                            long size, int direction)
-{
-        /* Nothing to do.  */
-}
-
-static inline void
-pci_dma_sync_single_for_device(struct pci_dev *dev, dma_addr_t dma_addr,
-                               size_t size, int direction)
-{
-        /* Nothing to do.  */
-}
-
-/* Make physical memory consistent for a set of streaming mode DMA
-   translations after a transfer.  The same as pci_dma_sync_single_*
-   but for a scatter-gather list, same rules and usage.  */
-
-static inline void
-pci_dma_sync_sg_for_cpu(struct pci_dev *dev, struct scatterlist *sg,
-                        int nents, int direction)
-{
-        /* Nothing to do.  */
-}
-
-static inline void
-pci_dma_sync_sg_for_device(struct pci_dev *dev, struct scatterlist *sg,
-                           int nents, int direction)
-{
-        /* Nothing to do.  */
-}
-
-/* Return whether the given PCI device DMA address mask can
-   be supported properly.  For example, if your device can
-   only drive the low 24-bits during PCI bus mastering, then
-   you would pass 0x00ffffff as the mask to this function.  */
+#ifdef CONFIG_PCI
 
-extern int pci_dma_supported(struct pci_dev *hwdev, u64 mask);
+/* implement the pci_ DMA API in terms of the generic device dma_ one */
+#include <asm-generic/pci-dma-compat.h>
 
-#ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
                                         enum pci_dma_burst_strategy *strat,
                                         unsigned long *strategy_parameter)
@@ -244,8 +113,6 @@ static inline int pci_proc_domain(struct pci_bus *bus)
         return hose->need_domain_info;
 }
 
-struct pci_dev *alpha_gendev_to_pci(struct device *dev);
-
 #endif /* __KERNEL__ */
 
 /* Values for the `which' argument to sys_pciconfig_iobase.  */
diff --git a/arch/alpha/include/asm/ptrace.h b/arch/alpha/include/asm/ptrace.h
index 32c7a5cddd59..65cf3e28e2f4 100644
--- a/arch/alpha/include/asm/ptrace.h
+++ b/arch/alpha/include/asm/ptrace.h
@@ -68,6 +68,7 @@ struct switch_stack {
 
 #ifdef __KERNEL__
 
+#define arch_has_single_step()          (1)
 #define user_mode(regs) (((regs)->ps & 8) != 0)
 #define instruction_pointer(regs) ((regs)->pc)
 #define profile_pc(regs) instruction_pointer(regs)
diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c
index c19a376520f4..823a540f9f5b 100644
--- a/arch/alpha/kernel/pci-noop.c
+++ b/arch/alpha/kernel/pci-noop.c
@@ -106,58 +106,8 @@ sys_pciconfig_write(unsigned long bus, unsigned long dfn,
                 return -ENODEV;
 }
 
-/* Stubs for the routines in pci_iommu.c: */
-
-void *
-__pci_alloc_consistent(struct pci_dev *pdev, size_t size,
-                       dma_addr_t *dma_addrp, gfp_t gfp)
-{
-        return NULL;
-}
-
-void
-pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu_addr,
-                    dma_addr_t dma_addr)
-{
-}
-
-dma_addr_t
-pci_map_single(struct pci_dev *pdev, void *cpu_addr, size_t size,
-               int direction)
-{
-        return (dma_addr_t) 0;
-}
-
-void
-pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, size_t size,
-                 int direction)
-{
-}
-
-int
-pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
-           int direction)
-{
-        return 0;
-}
-
-void
-pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
-             int direction)
-{
-}
-
-int
-pci_dma_supported(struct pci_dev *hwdev, dma_addr_t mask)
-{
-        return 0;
-}
-
-/* Generic DMA mapping functions: */
-
-void *
-dma_alloc_coherent(struct device *dev, size_t size,
-                   dma_addr_t *dma_handle, gfp_t gfp)
+static void *alpha_noop_alloc_coherent(struct device *dev, size_t size,
+                                       dma_addr_t *dma_handle, gfp_t gfp)
 {
         void *ret;
 
@@ -171,11 +121,22 @@ dma_alloc_coherent(struct device *dev, size_t size,
         return ret;
 }
 
-EXPORT_SYMBOL(dma_alloc_coherent);
+static void alpha_noop_free_coherent(struct device *dev, size_t size,
+                                     void *cpu_addr, dma_addr_t dma_addr)
+{
+        free_pages((unsigned long)cpu_addr, get_order(size));
+}
+
+static dma_addr_t alpha_noop_map_page(struct device *dev, struct page *page,
+                                      unsigned long offset, size_t size,
+                                      enum dma_data_direction dir,
+                                      struct dma_attrs *attrs)
+{
+        return page_to_pa(page) + offset;
+}
 
-int
-dma_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
-           enum dma_data_direction direction)
+static int alpha_noop_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
+                             enum dma_data_direction dir, struct dma_attrs *attrs)
 {
         int i;
         struct scatterlist *sg;
@@ -192,19 +153,37 @@ dma_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
         return nents;
 }
 
-EXPORT_SYMBOL(dma_map_sg);
+static int alpha_noop_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+        return 0;
+}
+
+static int alpha_noop_supported(struct device *dev, u64 mask)
+{
+        return mask < 0x00ffffffUL ? 0 : 1;
+}
 
-int
-dma_set_mask(struct device *dev, u64 mask)
+static int alpha_noop_set_mask(struct device *dev, u64 mask)
 {
         if (!dev->dma_mask || !dma_supported(dev, mask))
                 return -EIO;
 
         *dev->dma_mask = mask;
-
         return 0;
 }
-EXPORT_SYMBOL(dma_set_mask);
+
+struct dma_map_ops alpha_noop_ops = {
+        .alloc_coherent         = alpha_noop_alloc_coherent,
+        .free_coherent          = alpha_noop_free_coherent,
+        .map_page               = alpha_noop_map_page,
+        .map_sg                 = alpha_noop_map_sg,
+        .mapping_error          = alpha_noop_mapping_error,
+        .dma_supported          = alpha_noop_supported,
+        .set_dma_mask           = alpha_noop_set_mask,
+};
+
+struct dma_map_ops *dma_ops = &alpha_noop_ops;
+EXPORT_SYMBOL(dma_ops);
 
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 {
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 8449504f5e0b..ce9e54c887fa 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -216,10 +216,30 @@ iommu_arena_free(struct pci_iommu_arena *arena, long ofs, long n)
         for (i = 0; i < n; ++i)
                 p[i] = 0;
 }
-
-/* True if the machine supports DAC addressing, and DEV can
-   make use of it given MASK.  */
-static int pci_dac_dma_supported(struct pci_dev *hwdev, u64 mask);
+
+/*
+ * True if the machine supports DAC addressing, and DEV can
+ * make use of it given MASK.
+ */
+static int pci_dac_dma_supported(struct pci_dev *dev, u64 mask)
+{
+        dma64_addr_t dac_offset = alpha_mv.pci_dac_offset;
+        int ok = 1;
+
+        /* If this is not set, the machine doesn't support DAC at all.  */
+        if (dac_offset == 0)
+                ok = 0;
+
+        /* The device has to be able to address our DAC bit.  */
+        if ((dac_offset & dev->dma_mask) != dac_offset)
+                ok = 0;
+
+        /* If both conditions above are met, we are fine. */
+        DBGA("pci_dac_dma_supported %s from %p\n",
+             ok ? "yes" : "no", __builtin_return_address(0));
+
+        return ok;
+}
 
 /* Map a single buffer of the indicated size for PCI DMA in streaming
    mode.  The 32-bit PCI bus mastering address to use is returned.
@@ -301,23 +321,36 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size,
         return ret;
 }
 
-dma_addr_t
-pci_map_single(struct pci_dev *pdev, void *cpu_addr, size_t size, int dir)
+/* Helper for generic DMA-mapping functions. */
+static struct pci_dev *alpha_gendev_to_pci(struct device *dev)
 {
-        int dac_allowed; 
+        if (dev && dev->bus == &pci_bus_type)
+                return to_pci_dev(dev);
 
-        if (dir == PCI_DMA_NONE)
-                BUG();
+        /* Assume that non-PCI devices asking for DMA are either ISA or EISA,
+           BUG() otherwise. */
+        BUG_ON(!isa_bridge);
 
-        dac_allowed = pdev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0; 
-        return pci_map_single_1(pdev, cpu_addr, size, dac_allowed);
+        /* Assume non-busmaster ISA DMA when dma_mask is not set (the ISA
+           bridge is bus master then). */
+        if (!dev || !dev->dma_mask || !*dev->dma_mask)
+                return isa_bridge;
+
+        /* For EISA bus masters, return isa_bridge (it might have smaller
+           dma_mask due to wiring limitations). */
+        if (*dev->dma_mask >= isa_bridge->dma_mask)
+                return isa_bridge;
+
+        /* This assumes ISA bus master with dma_mask 0xffffff. */
+        return NULL;
 }
-EXPORT_SYMBOL(pci_map_single);
 
-dma_addr_t
-pci_map_page(struct pci_dev *pdev, struct page *page, unsigned long offset,
-             size_t size, int dir)
+static dma_addr_t alpha_pci_map_page(struct device *dev, struct page *page,
+                                     unsigned long offset, size_t size,
+                                     enum dma_data_direction dir,
+                                     struct dma_attrs *attrs)
 {
+        struct pci_dev *pdev = alpha_gendev_to_pci(dev);
         int dac_allowed;
 
         if (dir == PCI_DMA_NONE)
@@ -327,7 +360,6 @@ pci_map_page(struct pci_dev *pdev, struct page *page, unsigned long offset,
         return pci_map_single_1(pdev, (char *)page_address(page) + offset, 
                                 size, dac_allowed);
 }
-EXPORT_SYMBOL(pci_map_page);
 
 /* Unmap a single streaming mode DMA translation.  The DMA_ADDR and
    SIZE must match what was provided for in a previous pci_map_single
@@ -335,16 +367,17 @@ EXPORT_SYMBOL(pci_map_page);
    the cpu to the buffer are guaranteed to see whatever the device
    wrote there.  */
 
-void
-pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, size_t size,
-                 int direction)
+static void alpha_pci_unmap_page(struct device *dev, dma_addr_t dma_addr,
+                                 size_t size, enum dma_data_direction dir,
+                                 struct dma_attrs *attrs)
 {
         unsigned long flags;
+        struct pci_dev *pdev = alpha_gendev_to_pci(dev);
         struct pci_controller *hose = pdev ? pdev->sysdata : pci_isa_hose;
         struct pci_iommu_arena *arena;
         long dma_ofs, npages;
 
-        if (direction == PCI_DMA_NONE)
+        if (dir == PCI_DMA_NONE)
                 BUG();
 
         if (dma_addr >= __direct_map_base
@@ -393,25 +426,16 @@ pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, size_t size,
         DBGA2("pci_unmap_single: sg [%llx,%zx] np %ld from %p\n",
               dma_addr, size, npages, __builtin_return_address(0));
 }
-EXPORT_SYMBOL(pci_unmap_single);
-
-void
-pci_unmap_page(struct pci_dev *pdev, dma_addr_t dma_addr,
-               size_t size, int direction)
-{
-        pci_unmap_single(pdev, dma_addr, size, direction);
-}
-EXPORT_SYMBOL(pci_unmap_page);
 
 /* Allocate and map kernel buffer using consistent mode DMA for PCI
    device.  Returns non-NULL cpu-view pointer to the buffer if
    successful and sets *DMA_ADDRP to the pci side dma address as well,
    else DMA_ADDRP is undefined.  */
 
-void *
-__pci_alloc_consistent(struct pci_dev *pdev, size_t size,
-                       dma_addr_t *dma_addrp, gfp_t gfp)
+static void *alpha_pci_alloc_coherent(struct device *dev, size_t size,
+                                      dma_addr_t *dma_addrp, gfp_t gfp)
 {
+        struct pci_dev *pdev = alpha_gendev_to_pci(dev);
         void *cpu_addr;
         long order = get_order(size);
 
@@ -439,13 +463,12 @@ try_again:
                 gfp |= GFP_DMA;
                 goto try_again;
         }
-                
+
         DBGA2("pci_alloc_consistent: %zx -> [%p,%llx] from %p\n",
               size, cpu_addr, *dma_addrp, __builtin_return_address(0));
 
         return cpu_addr;
 }
-EXPORT_SYMBOL(__pci_alloc_consistent);
 
 /* Free and unmap a consistent DMA buffer.  CPU_ADDR and DMA_ADDR must
    be values that were returned from pci_alloc_consistent.  SIZE must
@@ -453,17 +476,16 @@ EXPORT_SYMBOL(__pci_alloc_consistent);
    References to the memory and mappings associated with CPU_ADDR or
    DMA_ADDR past this call are illegal.  */
 
-void
-pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu_addr,
-                    dma_addr_t dma_addr)
+static void alpha_pci_free_coherent(struct device *dev, size_t size,
+                                    void *cpu_addr, dma_addr_t dma_addr)
 {
+        struct pci_dev *pdev = alpha_gendev_to_pci(dev);
         pci_unmap_single(pdev, dma_addr, size, PCI_DMA_BIDIRECTIONAL);
         free_pages((unsigned long)cpu_addr, get_order(size));
 
         DBGA2("pci_free_consistent: [%llx,%zx] from %p\n",
               dma_addr, size, __builtin_return_address(0));
 }
-EXPORT_SYMBOL(pci_free_consistent);
 
 /* Classify the elements of the scatterlist.  Write dma_address
    of each element with:
@@ -626,23 +648,21 @@ sg_fill(struct device *dev, struct scatterlist *leader, struct scatterlist *end,
         return 1;
 }
 
-int
-pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
-           int direction)
+static int alpha_pci_map_sg(struct device *dev, struct scatterlist *sg,
+                            int nents, enum dma_data_direction dir,
+                            struct dma_attrs *attrs)
 {
+        struct pci_dev *pdev = alpha_gendev_to_pci(dev);
         struct scatterlist *start, *end, *out;
         struct pci_controller *hose;
         struct pci_iommu_arena *arena;
         dma_addr_t max_dma;
         int dac_allowed;
-        struct device *dev;
 
-        if (direction == PCI_DMA_NONE)
+        if (dir == PCI_DMA_NONE)
                 BUG();
 
-        dac_allowed = pdev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0;
-
-        dev = pdev ? &pdev->dev : NULL;
+        dac_allowed = dev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0;
 
         /* Fast path single entry scatterlists.  */
         if (nents == 1) {
@@ -699,19 +719,19 @@ pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
         /* Some allocation failed while mapping the scatterlist
            entries.  Unmap them now.  */
         if (out > start)
-                pci_unmap_sg(pdev, start, out - start, direction);
+                pci_unmap_sg(pdev, start, out - start, dir);
         return 0;
 }
-EXPORT_SYMBOL(pci_map_sg);
 
 /* Unmap a set of streaming mode DMA translations.  Again, cpu read
    rules concerning calls here are the same as for pci_unmap_single()
    above.  */
 
-void
-pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
-             int direction)
+static void alpha_pci_unmap_sg(struct device *dev, struct scatterlist *sg,
+                               int nents, enum dma_data_direction dir,
+                               struct dma_attrs *attrs)
 {
+        struct pci_dev *pdev = alpha_gendev_to_pci(dev);
         unsigned long flags;
         struct pci_controller *hose;
         struct pci_iommu_arena *arena;
@@ -719,7 +739,7 @@ pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
         dma_addr_t max_dma;
         dma_addr_t fbeg, fend;
 
-        if (direction == PCI_DMA_NONE)
+        if (dir == PCI_DMA_NONE)
                 BUG();
 
         if (! alpha_mv.mv_pci_tbi)
@@ -783,15 +803,13 @@ pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
 
         DBGA("pci_unmap_sg: %ld entries\n", nents - (end - sg));
 }
-EXPORT_SYMBOL(pci_unmap_sg);
-
 
 /* Return whether the given PCI device DMA address mask can be
    supported properly.  */
 
-int
-pci_dma_supported(struct pci_dev *pdev, u64 mask)
+static int alpha_pci_supported(struct device *dev, u64 mask)
 {
+        struct pci_dev *pdev = alpha_gendev_to_pci(dev);
         struct pci_controller *hose;
         struct pci_iommu_arena *arena;
 
@@ -818,7 +836,6 @@ pci_dma_supported(struct pci_dev *pdev, u64 mask)
 
         return 0;
 }
-EXPORT_SYMBOL(pci_dma_supported);
 
 
 /*
@@ -918,66 +935,32 @@ iommu_unbind(struct pci_iommu_arena *arena, long pg_start, long pg_count)
         return 0;
 }
 
-/* True if the machine supports DAC addressing, and DEV can
-   make use of it given MASK.  */
-
-static int
-pci_dac_dma_supported(struct pci_dev *dev, u64 mask)
-{
-        dma64_addr_t dac_offset = alpha_mv.pci_dac_offset;
-        int ok = 1;
-
-        /* If this is not set, the machine doesn't support DAC at all.  */
-        if (dac_offset == 0)
-                ok = 0;
-
-        /* The device has to be able to address our DAC bit.  */
-        if ((dac_offset & dev->dma_mask) != dac_offset)
-                ok = 0;
-
-        /* If both conditions above are met, we are fine. */
-        DBGA("pci_dac_dma_supported %s from %p\n",
-             ok ? "yes" : "no", __builtin_return_address(0));
-
-        return ok;
-}
-
-/* Helper for generic DMA-mapping functions. */
-
-struct pci_dev *
-alpha_gendev_to_pci(struct device *dev)
+static int alpha_pci_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
-        if (dev && dev->bus == &pci_bus_type)
-                return to_pci_dev(dev);
-
-        /* Assume that non-PCI devices asking for DMA are either ISA or EISA,
-           BUG() otherwise. */
-        BUG_ON(!isa_bridge);
-
-        /* Assume non-busmaster ISA DMA when dma_mask is not set (the ISA
-           bridge is bus master then). */
-        if (!dev || !dev->dma_mask || !*dev->dma_mask)
-                return isa_bridge;
-
-        /* For EISA bus masters, return isa_bridge (it might have smaller
-           dma_mask due to wiring limitations). */
-        if (*dev->dma_mask >= isa_bridge->dma_mask)
-                return isa_bridge;
-
-        /* This assumes ISA bus master with dma_mask 0xffffff. */
-        return NULL;
+        return dma_addr == 0;
 }
-EXPORT_SYMBOL(alpha_gendev_to_pci);
 
-int
-dma_set_mask(struct device *dev, u64 mask)
+static int alpha_pci_set_mask(struct device *dev, u64 mask)
 {
         if (!dev->dma_mask ||
             !pci_dma_supported(alpha_gendev_to_pci(dev), mask))
                 return -EIO;
 
         *dev->dma_mask = mask;
-
         return 0;
 }
-EXPORT_SYMBOL(dma_set_mask);
+
+struct dma_map_ops alpha_pci_ops = {
+        .alloc_coherent         = alpha_pci_alloc_coherent,
+        .free_coherent          = alpha_pci_free_coherent,
+        .map_page               = alpha_pci_map_page,
+        .unmap_page             = alpha_pci_unmap_page,
+        .map_sg                 = alpha_pci_map_sg,
+        .unmap_sg               = alpha_pci_unmap_sg,
+        .mapping_error          = alpha_pci_mapping_error,
+        .dma_supported          = alpha_pci_supported,
+        .set_dma_mask           = alpha_pci_set_mask,
+};
+
+struct dma_map_ops *dma_ops = &alpha_pci_ops;
+EXPORT_SYMBOL(dma_ops);
diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c
index e072041d19f8..9acadc6b16a0 100644
--- a/arch/alpha/kernel/ptrace.c
+++ b/arch/alpha/kernel/ptrace.c
@@ -249,6 +249,17 @@ ptrace_cancel_bpt(struct task_struct * child)
         return (nsaved != 0);
 }
 
+void user_enable_single_step(struct task_struct *child)
+{
+        /* Mark single stepping.  */
+        task_thread_info(child)->bpt_nsaved = -1;
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+        ptrace_cancel_bpt(child);
+}
+
 /*
  * Called by kernel/ptrace.c when detaching..
  *
@@ -256,7 +267,7 @@ ptrace_cancel_bpt(struct task_struct * child)
  */
 void ptrace_disable(struct task_struct *child)
 { 
-        ptrace_cancel_bpt(child);
+        user_disable_single_step(child);
 }
 
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
@@ -295,52 +306,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 DBG(DBG_MEM, ("poke $%ld<-%#lx\n", addr, data));
                 ret = put_reg(child, addr, data);
                 break;
-
-        case PTRACE_SYSCALL:
-                /* continue and stop at next (return from) syscall */
-        case PTRACE_CONT:    /* restart after signal. */
-                ret = -EIO;
-                if (!valid_signal(data))
-                        break;
-                if (request == PTRACE_SYSCALL)
-                        set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                else
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                child->exit_code = data;
-                /* make sure single-step breakpoint is gone. */
-                ptrace_cancel_bpt(child);
-                wake_up_process(child);
-                ret = 0;
-                break;
-
-        /*
-         * Make the child exit.  Best I can do is send it a sigkill.
-         * perhaps it should be put in the status that it wants to
-         * exit.
-         */
-        case PTRACE_KILL:
-                ret = 0;
-                if (child->exit_state == EXIT_ZOMBIE)
-                        break;
-                child->exit_code = SIGKILL;
-                /* make sure single-step breakpoint is gone. */
-                ptrace_cancel_bpt(child);
-                wake_up_process(child);
-                break;
-
-        case PTRACE_SINGLESTEP:  /* execute single instruction. */
-                ret = -EIO;
-                if (!valid_signal(data))
-                        break;
-                /* Mark single stepping.  */
-                task_thread_info(child)->bpt_nsaved = -1;
-                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                child->exit_code = data;
-                wake_up_process(child);
-                /* give it a chance to run. */
-                ret = 0;
-                break;
-
         default:
                 ret = ptrace_request(child, request, addr, data);
                 break;
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e12d700d985a..cadfe2ee66a5 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -155,6 +155,9 @@ config ARCH_MAY_HAVE_PC_FDC
 config ZONE_DMA
         bool
 
+config NEED_DMA_MAP_STATE
+       def_bool y
+
 config GENERIC_ISA_DMA
         bool
 
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
index 2793447621c3..ee1d3b85eb65 100644
--- a/arch/arm/common/it8152.c
+++ b/arch/arm/common/it8152.c
@@ -272,33 +272,6 @@ int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
                 ((dma_addr + size - PHYS_OFFSET) >= SZ_64M);
 }
 
-/*
- * We override these so we properly do dmabounce otherwise drivers
- * are able to set the dma_mask to 0xffffffff and we can no longer
- * trap bounces. :(
- *
- * We just return true on everyhing except for < 64MB in which case
- * we will fail miseralby and die since we can't handle that case.
- */
-int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{
-        dev_dbg(&dev->dev, "%s: %llx\n", __func__, mask);
-        if (mask >= PHYS_OFFSET + SZ_64M - 1)
-                return 0;
-
-        return -EIO;
-}
-
-int
-pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{
-        dev_dbg(&dev->dev, "%s: %llx\n", __func__, mask);
-        if (mask >= PHYS_OFFSET + SZ_64M - 1)
-                return 0;
-
-        return -EIO;
-}
-
 int __init it8152_pci_setup(int nr, struct pci_sys_data *sys)
 {
         it8152_io.start = IT8152_IO_BASE + 0x12000;
diff --git a/arch/arm/configs/nuc950_defconfig b/arch/arm/configs/nuc950_defconfig
index 97300ec478dd..51cc2a260cbb 100644
--- a/arch/arm/configs/nuc950_defconfig
+++ b/arch/arm/configs/nuc950_defconfig
@@ -590,8 +590,40 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
-# CONFIG_FB is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_NUC900=y
+CONFIG_GPM1040A0_320X240=y
+CONFIG_FB_NUC900_DEBUG=y
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
+# CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+
 
 #
 # Display device support
@@ -603,6 +635,25 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VGA_CONSOLE is not set
 CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+CONFIG_FONTS=y
+# CONFIG_FONT_8x8 is not set
+CONFIG_FONT_8x16=y
+# CONFIG_FONT_6x11 is not set
+# CONFIG_FONT_7x14 is not set
+# CONFIG_FONT_PEARL_8x8 is not set
+# CONFIG_FONT_ACORN_8x8 is not set
+# CONFIG_FONT_MINI_4x6 is not set
+# CONFIG_FONT_SUN8x16 is not set
+# CONFIG_FONT_SUN12x22 is not set
+# CONFIG_FONT_10x18 is not set
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+CONFIG_LOGO_LINUX_CLUT224=y
+
 # CONFIG_SOUND is not set
 # CONFIG_HID_SUPPORT is not set
 CONFIG_USB_SUPPORT=y
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 256ee1c9f51a..69ce0727edb5 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -128,6 +128,14 @@ static inline int dma_supported(struct device *dev, u64 mask)
 
 static inline int dma_set_mask(struct device *dev, u64 dma_mask)
 {
+#ifdef CONFIG_DMABOUNCE
+        if (dev->archdata.dmabounce) {
+                if (dma_mask >= ISA_DMA_THRESHOLD)
+                        return 0;
+                else
+                        return -EIO;
+        }
+#endif
         if (!dev->dma_mask || !dma_supported(dev, dma_mask))
                 return -EIO;
 
diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h
index 226cddd2fb65..47980118d0a5 100644
--- a/arch/arm/include/asm/pci.h
+++ b/arch/arm/include/asm/pci.h
@@ -30,17 +30,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
  */
 #define PCI_DMA_BUS_IS_PHYS     (1)
 
-/*
- * Whether pci_unmap_{single,page} is a nop depends upon the
- * configuration.
- */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)          ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)            ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)   (((PTR)->LEN_NAME) = (VAL))
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
                                         enum pci_dma_burst_strategy *strat,
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index eec6e897ceb2..9dcb11e59026 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -128,6 +128,8 @@ struct pt_regs {
 
 #ifdef __KERNEL__
 
+#define arch_has_single_step()  (1)
+
 #define user_mode(regs) \
         (((regs)->ARM_cpsr & 0xf) == 0)
 
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index cf9cdaa2d4d4..dd2bf53000fe 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -443,9 +443,12 @@
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_RT_SIGACTION
 #define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_OLD_MMAP
+#define __ARCH_WANT_SYS_OLD_SELECT
 
 #if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
 #define __ARCH_WANT_SYS_TIME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_UTIME
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 9314a2d681f1..37ae301cc47c 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -91,7 +91,7 @@
                 CALL(sys_settimeofday)
 /* 80 */        CALL(sys_getgroups16)
                 CALL(sys_setgroups16)
-                CALL(OBSOLETE(old_select))      /* used by libc4 */
+                CALL(OBSOLETE(sys_old_select))  /* used by libc4 */
                 CALL(sys_symlink)
                 CALL(sys_ni_syscall)            /* was sys_lstat */
 /* 85 */        CALL(sys_readlink)
@@ -99,7 +99,7 @@
                 CALL(sys_swapon)
                 CALL(sys_reboot)
                 CALL(OBSOLETE(sys_old_readdir)) /* used by libc4 */
-/* 90 */        CALL(OBSOLETE(old_mmap))        /* used by libc4 */
+/* 90 */        CALL(OBSOLETE(sys_old_mmap))    /* used by libc4 */
                 CALL(sys_munmap)
                 CALL(sys_truncate)
                 CALL(sys_ftruncate)
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 08f899fb76a6..3f562a7c0a99 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -452,12 +452,23 @@ void ptrace_cancel_bpt(struct task_struct *child)
                 clear_breakpoint(child, &child->thread.debug.bp[i]);
 }
 
+void user_disable_single_step(struct task_struct *task)
+{
+        task->ptrace &= ~PT_SINGLESTEP;
+        ptrace_cancel_bpt(task);
+}
+
+void user_enable_single_step(struct task_struct *task)
+{
+        task->ptrace |= PT_SINGLESTEP;
+}
+
 /*
  * Called by kernel/ptrace.c when detaching..
  */
 void ptrace_disable(struct task_struct *child)
 {
-        single_step_disable(child);
+        user_disable_single_step(child);
 }
 
 /*
@@ -753,53 +764,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                         ret = ptrace_write_user(child, addr, data);
                         break;
 
-                /*
-                 * continue/restart and stop at next (return from) syscall
-                 */
-                case PTRACE_SYSCALL:
-                case PTRACE_CONT:
-                        ret = -EIO;
-                        if (!valid_signal(data))
-                                break;
-                        if (request == PTRACE_SYSCALL)
-                                set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        else
-                                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        child->exit_code = data;
-                        single_step_disable(child);
-                        wake_up_process(child);
-                        ret = 0;
-                        break;
-
-                /*
-                 * make the child exit.  Best I can do is send it a sigkill.
-                 * perhaps it should be put in the status that it wants to
-                 * exit.
-                 */
-                case PTRACE_KILL:
-                        single_step_disable(child);
-                        if (child->exit_state != EXIT_ZOMBIE) {
-                                child->exit_code = SIGKILL;
-                                wake_up_process(child);
-                        }
-                        ret = 0;
-                        break;
-
-                /*
-                 * execute single instruction.
-                 */
-                case PTRACE_SINGLESTEP:
-                        ret = -EIO;
-                        if (!valid_signal(data))
-                                break;
-                        single_step_enable(child);
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        child->exit_code = data;
-                        /* give it a chance to run. */
-                        wake_up_process(child);
-                        ret = 0;
-                        break;
-
                 case PTRACE_GETREGS:
                         ret = ptrace_getregs(child, (void __user *)data);
                         break;
diff --git a/arch/arm/kernel/ptrace.h b/arch/arm/kernel/ptrace.h
index def3b6184a79..3926605b82ea 100644
--- a/arch/arm/kernel/ptrace.h
+++ b/arch/arm/kernel/ptrace.h
@@ -14,20 +14,6 @@ extern void ptrace_set_bpt(struct task_struct *);
 extern void ptrace_break(struct task_struct *, struct pt_regs *);
 
 /*
- * make sure single-step breakpoint is gone.
- */
-static inline void single_step_disable(struct task_struct *task)
-{
-        task->ptrace &= ~PT_SINGLESTEP;
-        ptrace_cancel_bpt(task);
-}
-
-static inline void single_step_enable(struct task_struct *task)
-{
-        task->ptrace |= PT_SINGLESTEP;
-}
-
-/*
  * Send SIGTRAP if we're single-stepping
  */
 static inline void single_step_trap(struct task_struct *task)
diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c
index ae4027bd01bd..4350f75e578c 100644
--- a/arch/arm/kernel/sys_arm.c
+++ b/arch/arm/kernel/sys_arm.c
@@ -28,135 +28,6 @@
 #include <linux/ipc.h>
 #include <linux/uaccess.h>
 
-struct mmap_arg_struct {
-        unsigned long addr;
-        unsigned long len;
-        unsigned long prot;
-        unsigned long flags;
-        unsigned long fd;
-        unsigned long offset;
-};
-
-asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
-{
-        int error = -EFAULT;
-        struct mmap_arg_struct a;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                goto out;
-
-        error = -EINVAL;
-        if (a.offset & ~PAGE_MASK)
-                goto out;
-
-        error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
-out:
-        return error;
-}
-
-/*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls.
- */
-
-struct sel_arg_struct {
-        unsigned long n;
-        fd_set __user *inp, *outp, *exp;
-        struct timeval __user *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct __user *arg)
-{
-        struct sel_arg_struct a;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                return -EFAULT;
-        /* sys_select() does the appropriate kernel locking */
-        return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc(uint call, int first, int second, int third,
-                       void __user *ptr, long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        switch (call) {
-        case SEMOP:
-                return sys_semtimedop (first, (struct sembuf __user *)ptr, second, NULL);
-        case SEMTIMEDOP:
-                return sys_semtimedop(first, (struct sembuf __user *)ptr, second,
-                                        (const struct timespec __user *)fifth);
-
-        case SEMGET:
-                return sys_semget (first, second, third);
-        case SEMCTL: {
-                union semun fourth;
-                if (!ptr)
-                        return -EINVAL;
-                if (get_user(fourth.__pad, (void __user * __user *) ptr))
-                        return -EFAULT;
-                return sys_semctl (first, second, third, fourth);
-        }
-
-        case MSGSND:
-                return sys_msgsnd(first, (struct msgbuf __user *) ptr, 
-                                  second, third);
-        case MSGRCV:
-                switch (version) {
-                case 0: {
-                        struct ipc_kludge tmp;
-                        if (!ptr)
-                                return -EINVAL;
-                        if (copy_from_user(&tmp,(struct ipc_kludge __user *)ptr,
-                                           sizeof (tmp)))
-                                return -EFAULT;
-                        return sys_msgrcv (first, tmp.msgp, second,
-                                           tmp.msgtyp, third);
-                }
-                default:
-                        return sys_msgrcv (first,
-                                           (struct msgbuf __user *) ptr,
-                                           second, fifth, third);
-                }
-        case MSGGET:
-                return sys_msgget ((key_t) first, second);
-        case MSGCTL:
-                return sys_msgctl(first, second, (struct msqid_ds __user *)ptr);
-
-        case SHMAT:
-                switch (version) {
-                default: {
-                        ulong raddr;
-                        ret = do_shmat(first, (char __user *)ptr, second, &raddr);
-                        if (ret)
-                                return ret;
-                        return put_user(raddr, (ulong __user *)third);
-                }
-                case 1: /* Of course, we don't support iBCS2! */
-                        return -EINVAL;
-                }
-        case SHMDT: 
-                return sys_shmdt ((char __user *)ptr);
-        case SHMGET:
-                return sys_shmget (first, second, third);
-        case SHMCTL:
-                return sys_shmctl (first, second,
-                                   (struct shmid_ds __user *) ptr);
-        default:
-                return -ENOSYS;
-        }
-}
-#endif
-
 /* Fork a new task - this creates a new program thread.
  * This is called indirectly via a small wrapper
  */
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index d59a0cd537f0..33ff678e32f2 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -346,9 +346,6 @@ asmlinkage long sys_oabi_semop(int semid, struct oabi_sembuf __user *tsops,
         return sys_oabi_semtimedop(semid, tsops, nsops, NULL);
 }
 
-extern asmlinkage int sys_ipc(uint call, int first, int second, int third,
-                              void __user *ptr, long fifth);
-
 asmlinkage int sys_oabi_ipc(uint call, int first, int second, int third,
                             void __user *ptr, long fifth)
 {
diff --git a/arch/arm/mach-ep93xx/include/mach/ts72xx.h b/arch/arm/mach-ep93xx/include/mach/ts72xx.h
index 3bd934e9a7f1..93107d88ff3a 100644
--- a/arch/arm/mach-ep93xx/include/mach/ts72xx.h
+++ b/arch/arm/mach-ep93xx/include/mach/ts72xx.h
@@ -65,6 +65,8 @@
 #define TS72XX_RTC_DATA_PHYS_BASE       0x11700000
 #define TS72XX_RTC_DATA_SIZE            0x00001000
 
+#define TS72XX_WDT_CONTROL_PHYS_BASE    0x23800000
+#define TS72XX_WDT_FEED_PHYS_BASE       0x23c00000
 
 #ifndef __ASSEMBLY__
 
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 259f7822ba52..fac1ec7a60fb 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -166,6 +166,26 @@ static struct platform_device ts72xx_rtc_device = {
         .num_resources  = 0,
 };
 
+static struct resource ts72xx_wdt_resources[] = {
+        {
+                .start  = TS72XX_WDT_CONTROL_PHYS_BASE,
+                .end    = TS72XX_WDT_CONTROL_PHYS_BASE + SZ_4K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = TS72XX_WDT_FEED_PHYS_BASE,
+                .end    = TS72XX_WDT_FEED_PHYS_BASE + SZ_4K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device ts72xx_wdt_device = {
+        .name           = "ts72xx-wdt",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(ts72xx_wdt_resources),
+        .resource       = ts72xx_wdt_resources,
+};
+
 static struct ep93xx_eth_data ts72xx_eth_data = {
         .phy_id         = 1,
 };
@@ -175,6 +195,7 @@ static void __init ts72xx_init_machine(void)
         ep93xx_init_devices();
         ts72xx_register_flash();
         platform_device_register(&ts72xx_rtc_device);
+        platform_device_register(&ts72xx_wdt_device);
 
         ep93xx_register_eth(&ts72xx_eth_data, 1);
 }
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index c4a01594c761..e3181534c7f9 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -502,32 +502,6 @@ struct pci_bus * __devinit ixp4xx_scan_bus(int nr, struct pci_sys_data *sys)
         return pci_scan_bus(sys->busnr, &ixp4xx_ops, sys);
 }
 
-/*
- * We override these so we properly do dmabounce otherwise drivers
- * are able to set the dma_mask to 0xffffffff and we can no longer
- * trap bounces. :(
- *
- * We just return true on everyhing except for < 64MB in which case 
- * we will fail miseralby and die since we can't handle that case.
- */
-int
-pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{
-        if (mask >= SZ_64M - 1 )
-                return 0;
-
-        return -EIO;
-}
-    
-int
-pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{
-        if (mask >= SZ_64M - 1 )
-                return 0;
-
-        return -EIO;
-}
-
 EXPORT_SYMBOL(ixp4xx_pci_read);
 EXPORT_SYMBOL(ixp4xx_pci_write);
 
diff --git a/arch/arm/mach-ixp4xx/include/mach/hardware.h b/arch/arm/mach-ixp4xx/include/mach/hardware.h
index f9d1c43e4a54..f91ca6d4fbe8 100644
--- a/arch/arm/mach-ixp4xx/include/mach/hardware.h
+++ b/arch/arm/mach-ixp4xx/include/mach/hardware.h
@@ -26,11 +26,6 @@
 #define PCIBIOS_MAX_MEM         0x4BFFFFFF
 #endif
 
-/*
- * We override the standard dma-mask routines for bouncing.
- */
-#define HAVE_ARCH_PCI_SET_DMA_MASK
-
 #define pcibios_assign_all_busses()     1
 
 /* Register locations and bits */
diff --git a/arch/arm/mach-pxa/am300epd.c b/arch/arm/mach-pxa/am300epd.c
index 4bd10a17332e..993d75e66390 100644
--- a/arch/arm/mach-pxa/am300epd.c
+++ b/arch/arm/mach-pxa/am300epd.c
@@ -288,7 +288,7 @@ int __init am300_init(void)
 }
 
 module_param(panel_type, uint, 0);
-MODULE_PARM_DESC(panel_type, "Select the panel type: 6, 8, 97");
+MODULE_PARM_DESC(panel_type, "Select the panel type: 37, 6, 97");
 
 MODULE_DESCRIPTION("board driver for am300 epd kit");
 MODULE_AUTHOR("Jaya Kumar");
diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c
index a5ee70735e04..1d9bc118ee32 100644
--- a/arch/arm/mach-pxa/corgi_ssp.c
+++ b/arch/arm/mach-pxa/corgi_ssp.c
@@ -204,7 +204,7 @@ void __init corgi_ssp_set_machinfo(struct corgissp_machinfo *machinfo)
         ssp_machinfo = machinfo;
 }
 
-static int __init corgi_ssp_probe(struct platform_device *dev)
+static int __devinit corgi_ssp_probe(struct platform_device *dev)
 {
         int ret;
 
diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h
index e741bf1bfb2d..7515757d6911 100644
--- a/arch/arm/mach-pxa/include/mach/hardware.h
+++ b/arch/arm/mach-pxa/include/mach/hardware.h
@@ -314,7 +314,6 @@ extern unsigned long get_clock_tick_rate(void);
 #define PCIBIOS_MIN_IO          0
 #define PCIBIOS_MIN_MEM         0
 #define pcibios_assign_all_busses()     1
-#define HAVE_ARCH_PCI_SET_DMA_MASK      1
 #endif
 
 
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 67229a1ef55c..463d874bb867 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -900,7 +900,7 @@ static struct platform_suspend_ops sharpsl_pm_ops = {
 };
 #endif
 
-static int __init sharpsl_pm_probe(struct platform_device *pdev)
+static int __devinit sharpsl_pm_probe(struct platform_device *pdev)
 {
         int ret;
 
diff --git a/arch/arm/mach-s3c2410/h1940-bluetooth.c b/arch/arm/mach-s3c2410/h1940-bluetooth.c
index b7d1f8d27bc2..a3f3c7b1ca38 100644
--- a/arch/arm/mach-s3c2410/h1940-bluetooth.c
+++ b/arch/arm/mach-s3c2410/h1940-bluetooth.c
@@ -56,7 +56,7 @@ static const struct rfkill_ops h1940bt_rfkill_ops = {
         .set_block = h1940bt_set_block,
 };
 
-static int __init h1940bt_probe(struct platform_device *pdev)
+static int __devinit h1940bt_probe(struct platform_device *pdev)
 {
         struct rfkill *rfk;
         int ret = 0;
diff --git a/arch/arm/mach-sa1100/jornada720_ssp.c b/arch/arm/mach-sa1100/jornada720_ssp.c
index 506a5e5a9ad5..9b6dee5d16db 100644
--- a/arch/arm/mach-sa1100/jornada720_ssp.c
+++ b/arch/arm/mach-sa1100/jornada720_ssp.c
@@ -130,7 +130,7 @@ void jornada_ssp_end(void)
 };
 EXPORT_SYMBOL(jornada_ssp_end);
 
-static int __init jornada_ssp_probe(struct platform_device *dev)
+static int __devinit jornada_ssp_probe(struct platform_device *dev)
 {
         int ret;
 
diff --git a/arch/arm/mach-w90x900/cpu.h b/arch/arm/mach-w90x900/cpu.h
index 4d58ba164e25..f8730b60bd76 100644
--- a/arch/arm/mach-w90x900/cpu.h
+++ b/arch/arm/mach-w90x900/cpu.h
@@ -57,3 +57,4 @@ extern struct platform_device nuc900_device_fmi;
 extern struct platform_device nuc900_device_kpi;
 extern struct platform_device nuc900_device_rtc;
 extern struct platform_device nuc900_device_ts;
+extern struct platform_device nuc900_device_lcd;
diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c
index ec711f4b4019..48876122df91 100644
--- a/arch/arm/mach-w90x900/dev.c
+++ b/arch/arm/mach-w90x900/dev.c
@@ -34,6 +34,7 @@
 #include <mach/regs-serial.h>
 #include <mach/nuc900_spi.h>
 #include <mach/map.h>
+#include <mach/fb.h>
 
 #include "cpu.h"
 
@@ -380,6 +381,47 @@ struct platform_device nuc900_device_kpi = {
         .resource       = nuc900_kpi_resource,
 };
 
+#ifdef CONFIG_FB_NUC900
+
+static struct resource nuc900_lcd_resource[] = {
+        [0] = {
+                .start = W90X900_PA_LCD,
+                .end   = W90X900_PA_LCD + W90X900_SZ_LCD - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start = IRQ_LCD,
+                .end   = IRQ_LCD,
+                .flags = IORESOURCE_IRQ,
+        }
+};
+
+static u64 nuc900_device_lcd_dmamask = -1;
+struct platform_device nuc900_device_lcd = {
+        .name             = "nuc900-lcd",
+        .id               = -1,
+        .num_resources    = ARRAY_SIZE(nuc900_lcd_resource),
+        .resource         = nuc900_lcd_resource,
+        .dev              = {
+                .dma_mask               = &nuc900_device_lcd_dmamask,
+                .coherent_dma_mask      = -1,
+        }
+};
+
+void  nuc900_fb_set_platdata(struct nuc900fb_mach_info *pd)
+{
+        struct nuc900fb_mach_info *npd;
+
+        npd = kmalloc(sizeof(*npd), GFP_KERNEL);
+        if (npd) {
+                memcpy(npd, pd, sizeof(*npd));
+                nuc900_device_lcd.dev.platform_data = npd;
+        } else {
+                printk(KERN_ERR "no memory for LCD platform data\n");
+        }
+}
+#endif
+
 /*Here should be your evb resourse,such as LCD*/
 
 static struct platform_device *nuc900_public_dev[] __initdata = {
diff --git a/arch/arm/mach-w90x900/include/mach/fb.h b/arch/arm/mach-w90x900/include/mach/fb.h
new file mode 100644
index 000000000000..cec5ece765ed
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/fb.h
@@ -0,0 +1,83 @@
+/* linux/include/asm/arch-nuc900/fb.h
+ *
+ * Copyright (c) 2008 Nuvoton technology corporation
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Changelog:
+ *
+ *   2008/08/26     vincen.zswan modify this file for LCD.
+ */
+
+#ifndef __ASM_ARM_FB_H
+#define __ASM_ARM_FB_H
+
+
+
+/* LCD Controller Hardware Desc */
+struct nuc900fb_hw {
+        unsigned int lcd_dccs;
+        unsigned int lcd_device_ctrl;
+        unsigned int lcd_mpulcd_cmd;
+        unsigned int lcd_int_cs;
+        unsigned int lcd_crtc_size;
+        unsigned int lcd_crtc_dend;
+        unsigned int lcd_crtc_hr;
+        unsigned int lcd_crtc_hsync;
+        unsigned int lcd_crtc_vr;
+        unsigned int lcd_va_baddr0;
+        unsigned int lcd_va_baddr1;
+        unsigned int lcd_va_fbctrl;
+        unsigned int lcd_va_scale;
+        unsigned int lcd_va_test;
+        unsigned int lcd_va_win;
+        unsigned int lcd_va_stuff;
+};
+
+/* LCD Display Description */
+struct nuc900fb_display {
+        /* LCD Image type */
+        unsigned type;
+
+        /* LCD Screen Size */
+        unsigned short width;
+        unsigned short height;
+
+        /* LCD Screen Info */
+        unsigned short xres;
+        unsigned short yres;
+        unsigned short bpp;
+
+        unsigned long pixclock;
+        unsigned short left_margin;
+        unsigned short right_margin;
+        unsigned short hsync_len;
+        unsigned short upper_margin;
+        unsigned short lower_margin;
+        unsigned short vsync_len;
+
+        /* hardware special register value */
+        unsigned int dccs;
+        unsigned int devctl;
+        unsigned int fbctrl;
+        unsigned int scale;
+};
+
+struct nuc900fb_mach_info {
+        struct nuc900fb_display *displays;
+        unsigned num_displays;
+        unsigned default_display;
+        /* GPIO Setting  Info */
+        unsigned gpio_dir;
+        unsigned gpio_dir_mask;
+        unsigned gpio_data;
+        unsigned gpio_data_mask;
+};
+
+extern void __init nuc900_fb_set_platdata(struct nuc900fb_mach_info *);
+
+#endif /* __ASM_ARM_FB_H */
diff --git a/arch/arm/mach-w90x900/include/mach/regs-ldm.h b/arch/arm/mach-w90x900/include/mach/regs-ldm.h
new file mode 100644
index 000000000000..e9d480a5b232
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/regs-ldm.h
@@ -0,0 +1,253 @@
+/*
+ * arch/arm/mach-w90x900/include/mach/regs-serial.h
+ *
+ * Copyright (c) 2009 Nuvoton technology corporation
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ *  Description:
+ *     Nuvoton Display, LCM Register list
+ *  Author:  Wang Qiang (rurality.linux@gmail.com) 2009/12/11
+ *
+ */
+
+
+#ifndef __ASM_ARM_W90X900_REGS_LDM_H
+#define __ASM_ARM_W90X900_REGS_LDM_H
+
+#include <mach/map.h>
+
+/* Display Controller Control/Status Register */
+#define REG_LCM_DCCS                    (0x00)
+
+#define LCM_DCCS_ENG_RST                (1 << 0)
+#define LCM_DCCS_VA_EN                  (1 << 1)
+#define LCM_DCCS_OSD_EN                 (1 << 2)
+#define LCM_DCCS_DISP_OUT_EN            (1 << 3)
+#define LCM_DCCS_DISP_INT_EN            (1 << 4)
+#define LCM_DCCS_CMD_ON                 (1 << 5)
+#define LCM_DCCS_FIELD_INTR             (1 << 6)
+#define LCM_DCCS_SINGLE                 (1 << 7)
+
+enum LCM_DCCS_VA_SRC {
+        LCM_DCCS_VA_SRC_YUV422          = (0 << 8),
+        LCM_DCCS_VA_SRC_YCBCR422        = (1 << 8),
+        LCM_DCCS_VA_SRC_RGB888          = (2 << 8),
+        LCM_DCCS_VA_SRC_RGB666          = (3 << 8),
+        LCM_DCCS_VA_SRC_RGB565          = (4 << 8),
+        LCM_DCCS_VA_SRC_RGB444LOW       = (5 << 8),
+        LCM_DCCS_VA_SRC_RGB444HIGH      = (7 << 8)
+};
+
+
+/* Display Device Control Register */
+#define REG_LCM_DEV_CTRL                (0x04)
+
+enum LCM_DEV_CTRL_SWAP_YCbCr {
+        LCM_DEV_CTRL_SWAP_UYVY          = (0 << 1),
+        LCM_DEV_CTRL_SWAP_YUYV          = (1 << 1),
+        LCM_DEV_CTRL_SWAP_VYUY          = (2 << 1),
+        LCM_DEV_CTRL_SWAP_YVYU          = (3 << 1)
+};
+
+enum LCM_DEV_CTRL_RGB_SHIFT {
+        LCM_DEV_CTRL_RGB_SHIFT_NOT      = (0 << 3),
+        LCM_DEV_CTRL_RGB_SHIFT_ONECYCLE = (1 << 3),
+        LCM_DEV_CTRL_RGB_SHIFT_TWOCYCLE = (2 << 3),
+        LCM_DEV_CTRL_RGB_SHIFT_NOT_DEF  = (3 << 3)
+};
+
+enum LCM_DEV_CTRL_DEVICE {
+        LCM_DEV_CTRL_DEVICE_YUV422      = (0 << 5),
+        LCM_DEV_CTRL_DEVICE_YUV444      = (1 << 5),
+        LCM_DEV_CTRL_DEVICE_UNIPAC      = (4 << 5),
+        LCM_DEV_CTRL_DEVICE_SEIKO_EPSON = (5 << 5),
+        LCM_DEV_CTRL_DEVICE_HIGH_COLOR  = (6 << 5),
+        LCM_DEV_CTRL_DEVICE_MPU         = (7 << 5)
+};
+
+#define LCM_DEV_CTRL_LCD_DDA            (8)
+#define LCM_DEV_CTRL_YUV2CCIR           (16)
+
+enum LCM_DEV_CTRL_LCD_SEL {
+        LCM_DEV_CTRL_LCD_SEL_RGB_GBR    = (0 << 17),
+        LCM_DEV_CTRL_LCD_SEL_BGR_RBG    = (1 << 17),
+        LCM_DEV_CTRL_LCD_SEL_GBR_RGB    = (2 << 17),
+        LCM_DEV_CTRL_LCD_SEL_RBG_BGR    = (3 << 17)
+};
+
+enum LCM_DEV_CTRL_FAL_D {
+        LCM_DEV_CTRL_FAL_D_FALLING      = (0 << 19),
+        LCM_DEV_CTRL_FAL_D_RISING       = (1 << 19),
+};
+
+enum LCM_DEV_CTRL_H_POL {
+        LCM_DEV_CTRL_H_POL_LOW          = (0 << 20),
+        LCM_DEV_CTRL_H_POL_HIGH         = (1 << 20),
+};
+
+enum LCM_DEV_CTRL_V_POL {
+        LCM_DEV_CTRL_V_POL_LOW          = (0 << 21),
+        LCM_DEV_CTRL_V_POL_HIGH         = (1 << 21),
+};
+
+enum LCM_DEV_CTRL_VR_LACE {
+        LCM_DEV_CTRL_VR_LACE_NINTERLACE = (0 << 22),
+        LCM_DEV_CTRL_VR_LACE_INTERLACE  = (1 << 22),
+};
+
+enum LCM_DEV_CTRL_LACE {
+        LCM_DEV_CTRL_LACE_NINTERLACE    = (0 << 23),
+        LCM_DEV_CTRL_LACE_INTERLACE     = (1 << 23),
+};
+
+enum LCM_DEV_CTRL_RGB_SCALE {
+        LCM_DEV_CTRL_RGB_SCALE_4096     = (0 << 24),
+        LCM_DEV_CTRL_RGB_SCALE_65536    = (1 << 24),
+        LCM_DEV_CTRL_RGB_SCALE_262144   = (2 << 24),
+        LCM_DEV_CTRL_RGB_SCALE_16777216 = (3 << 24),
+};
+
+enum LCM_DEV_CTRL_DBWORD {
+        LCM_DEV_CTRL_DBWORD_HALFWORD    = (0 << 26),
+        LCM_DEV_CTRL_DBWORD_FULLWORD    = (1 << 26),
+};
+
+enum LCM_DEV_CTRL_MPU68 {
+        LCM_DEV_CTRL_MPU68_80_SERIES    = (0 << 27),
+        LCM_DEV_CTRL_MPU68_68_SERIES    = (1 << 27),
+};
+
+enum LCM_DEV_CTRL_DE_POL {
+        LCM_DEV_CTRL_DE_POL_HIGH        = (0 << 28),
+        LCM_DEV_CTRL_DE_POL_LOW         = (1 << 28),
+};
+
+#define LCM_DEV_CTRL_CMD16              (29)
+#define LCM_DEV_CTRL_CM16t18            (30)
+#define LCM_DEV_CTRL_CMD_LOW            (31)
+
+/* MPU-Interface LCD Write Command */
+#define REG_LCM_MPU_CMD                 (0x08)
+
+/* Interrupt Control/Status Register */
+#define REG_LCM_INT_CS                  (0x0c)
+#define LCM_INT_CS_DISP_F_EN            (1 << 0)
+#define LCM_INT_CS_UNDERRUN_EN          (1 << 1)
+#define LCM_INT_CS_BUS_ERROR_INT        (1 << 28)
+#define LCM_INT_CS_UNDERRUN_INT         (1 << 29)
+#define LCM_INT_CS_DISP_F_STATUS        (1 << 30)
+#define LCM_INT_CS_DISP_F_INT           (1 << 31)
+
+/* CRTC Display Size Control Register */
+#define REG_LCM_CRTC_SIZE               (0x10)
+#define LCM_CRTC_SIZE_VTTVAL(x)         ((x) << 16)
+#define LCM_CRTC_SIZE_HTTVAL(x)         ((x) << 0)
+
+/* CRTC Display Enable End */
+#define REG_LCM_CRTC_DEND               (0x14)
+#define LCM_CRTC_DEND_VDENDVAL(x)       ((x) << 16)
+#define LCM_CRTC_DEND_HDENDVAL(x)       ((x) << 0)
+
+/* CRTC Internal Horizontal Retrace Control Register */
+#define REG_LCM_CRTC_HR                 (0x18)
+#define LCM_CRTC_HR_EVAL(x)             ((x) << 16)
+#define LCM_CRTC_HR_SVAL(x)             ((x) << 0)
+
+/* CRTC Horizontal Sync Control Register */
+#define REG_LCM_CRTC_HSYNC              (0x1C)
+#define LCM_CRTC_HSYNC_SHIFTVAL(x)      ((x) << 30)
+#define LCM_CRTC_HSYNC_EVAL(x)          ((x) << 16)
+#define LCM_CRTC_HSYNC_SVAL(x)          ((x) << 0)
+
+/* CRTC Internal Vertical Retrace Control Register */
+#define REG_LCM_CRTC_VR                 (0x20)
+#define LCM_CRTC_VR_EVAL(x)             ((x) << 16)
+#define LCM_CRTC_VR_SVAL(x)             ((x) << 0)
+
+/* Video Stream Frame Buffer-0 Starting Address */
+#define REG_LCM_VA_BADDR0               (0x24)
+
+/* Video Stream Frame Buffer-1 Starting Address */
+#define REG_LCM_VA_BADDR1               (0x28)
+
+/* Video Stream Frame Buffer Control Register */
+#define REG_LCM_VA_FBCTRL               (0x2C)
+#define LCM_VA_FBCTRL_IO_REGION_HALF    (1 << 28)
+#define LCM_VA_FBCTRL_FIELD_DUAL        (1 << 29)
+#define LCM_VA_FBCTRL_START_BUF         (1 << 30)
+#define LCM_VA_FBCTRL_DB_EN             (1 << 31)
+
+/* Video Stream Scaling Control Register */
+#define REG_LCM_VA_SCALE                (0x30)
+#define LCM_VA_SCALE_XCOPY_INTERPOLATION (0 << 15)
+#define LCM_VA_SCALE_XCOPY_DUPLICATION   (1 << 15)
+
+/* Image Stream Active Window Coordinates */
+#define REG_LCM_VA_WIN                  (0x38)
+
+/* Image Stream Stuff Pixel */
+#define REG_LCM_VA_STUFF                (0x3C)
+
+/* OSD Window Starting Coordinates */
+#define REG_LCM_OSD_WINS                (0x40)
+
+/* OSD Window Ending Coordinates */
+#define REG_LCM_OSD_WINE                (0x44)
+
+/* OSD Stream Frame Buffer Starting Address */
+#define REG_LCM_OSD_BADDR               (0x48)
+
+/* OSD Stream Frame Buffer Control Register */
+#define REG_LCM_OSD_FBCTRL              (0x4c)
+
+/* OSD Overlay Control Register */
+#define REG_LCM_OSD_OVERLAY             (0x50)
+
+/* OSD Overlay Color-Key Pattern Register */
+#define REG_LCM_OSD_CKEY                (0x54)
+
+/* OSD Overlay Color-Key Mask Register */
+#define REG_LCM_OSD_CMASK               (0x58)
+
+/* OSD Window Skip1 Register */
+#define REG_LCM_OSD_SKIP1               (0x5C)
+
+/* OSD Window Skip2 Register */
+#define REG_LCM_OSD_SKIP2               (0x60)
+
+/* OSD horizontal up scaling control register */
+#define REG_LCM_OSD_SCALE               (0x64)
+
+/* MPU Vsync control register */
+#define REG_LCM_MPU_VSYNC               (0x68)
+
+/* Hardware cursor control Register */
+#define REG_LCM_HC_CTRL                 (0x6C)
+
+/* Hardware cursot tip point potison on va picture */
+#define REG_LCM_HC_POS                  (0x70)
+
+/* Hardware Cursor Window Buffer Control Register */
+#define REG_LCM_HC_WBCTRL               (0x74)
+
+/* Hardware cursor memory base address register */
+#define REG_LCM_HC_BADDR                (0x78)
+
+/* Hardware cursor color ram register mapped to bpp = 0 */
+#define REG_LCM_HC_COLOR0               (0x7C)
+
+/* Hardware cursor color ram register mapped to bpp = 1 */
+#define REG_LCM_HC_COLOR1               (0x80)
+
+/* Hardware cursor color ram register mapped to bpp = 2 */
+#define REG_LCM_HC_COLOR2               (0x84)
+
+/* Hardware cursor color ram register mapped to bpp = 3 */
+#define REG_LCM_HC_COLOR3               (0x88)
+
+#endif /* __ASM_ARM_W90X900_REGS_LDM_H */
diff --git a/arch/arm/mach-w90x900/mach-nuc950evb.c b/arch/arm/mach-w90x900/mach-nuc950evb.c
index cef903bcccd1..b3edc3cccf52 100644
--- a/arch/arm/mach-w90x900/mach-nuc950evb.c
+++ b/arch/arm/mach-w90x900/mach-nuc950evb.c
@@ -10,6 +10,8 @@
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation;version 2 of the License.
+ *   history:
+ *     Wang Qiang (rurality.linux@gmail.com) add LCD support
  *
  */
 
@@ -18,9 +20,51 @@
 #include <asm/mach/map.h>
 #include <asm/mach-types.h>
 #include <mach/map.h>
+#include <mach/regs-ldm.h>
+#include <mach/fb.h>
 
 #include "nuc950.h"
 
+#ifdef CONFIG_FB_NUC900
+/* LCD Controller */
+static struct nuc900fb_display __initdata nuc950_lcd_info[] = {
+        /* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */
+        [0] = {
+                .type           = LCM_DCCS_VA_SRC_RGB565,
+                .width          = 320,
+                .height         = 240,
+                .xres           = 320,
+                .yres           = 240,
+                .bpp            = 16,
+                .pixclock       = 200000,
+                .left_margin    = 34,
+                .right_margin   = 54,
+                .hsync_len      = 10,
+                .upper_margin   = 18,
+                .lower_margin   = 4,
+                .vsync_len      = 1,
+                .dccs           = 0x8e00041a,
+                .devctl         = 0x060800c0,
+                .fbctrl         = 0x00a000a0,
+                .scale          = 0x04000400,
+        },
+};
+
+static struct nuc900fb_mach_info nuc950_fb_info __initdata = {
+#if defined(CONFIG_GPM1040A0_320X240)
+        .displays               = &nuc950_lcd_info[0],
+#else
+        .displays               = nuc950_lcd_info,
+#endif
+        .num_displays           = ARRAY_SIZE(nuc950_lcd_info),
+        .default_display        = 0,
+        .gpio_dir               = 0x00000004,
+        .gpio_dir_mask          = 0xFFFFFFFD,
+        .gpio_data              = 0x00000004,
+        .gpio_data_mask         = 0xFFFFFFFD,
+};
+#endif
+
 static void __init nuc950evb_map_io(void)
 {
         nuc950_map_io();
@@ -30,6 +74,9 @@ static void __init nuc950evb_map_io(void)
 static void __init nuc950evb_init(void)
 {
         nuc950_board_init();
+#ifdef CONFIG_FB_NUC900
+        nuc900_fb_set_platdata(&nuc950_fb_info);
+#endif
 }
 
 MACHINE_START(W90P950EVB, "W90P950EVB")
diff --git a/arch/arm/mach-w90x900/nuc950.c b/arch/arm/mach-w90x900/nuc950.c
index 149508116d18..4d1f1ab044c4 100644
--- a/arch/arm/mach-w90x900/nuc950.c
+++ b/arch/arm/mach-w90x900/nuc950.c
@@ -18,6 +18,7 @@
 #include <linux/platform_device.h>
 #include <asm/mach/map.h>
 #include <mach/hardware.h>
+
 #include "cpu.h"
 
 /* define specific CPU platform device */
@@ -25,6 +26,9 @@
 static struct platform_device *nuc950_dev[] __initdata = {
         &nuc900_device_kpi,
         &nuc900_device_fmi,
+#ifdef CONFIG_FB_NUC900
+        &nuc900_device_lcd,
+#endif
 };
 
 /* define specific CPU platform io map */
diff --git a/arch/avr32/include/asm/ptrace.h b/arch/avr32/include/asm/ptrace.h
index 9e2d44f4e0fe..e53dd0d900f5 100644
--- a/arch/avr32/include/asm/ptrace.h
+++ b/arch/avr32/include/asm/ptrace.h
@@ -124,6 +124,8 @@ struct pt_regs {
 
 #include <asm/ocd.h>
 
+#define arch_has_single_step()          (1)
+
 #define arch_ptrace_attach(child)       ocd_enable(child)
 
 #define user_mode(regs)                 (((regs)->sr & MODE_MASK) == MODE_USER)
diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c
index 1fed38fcf594..dd5b882aab40 100644
--- a/arch/avr32/kernel/ptrace.c
+++ b/arch/avr32/kernel/ptrace.c
@@ -28,9 +28,9 @@ static struct pt_regs *get_user_regs(struct task_struct *tsk)
                                   THREAD_SIZE - sizeof(struct pt_regs));
 }
 
-static void ptrace_single_step(struct task_struct *tsk)
+static void user_enable_single_step(struct task_struct *tsk)
 {
-        pr_debug("ptrace_single_step: pid=%u, PC=0x%08lx, SR=0x%08lx\n",
+        pr_debug("user_enable_single_step: pid=%u, PC=0x%08lx, SR=0x%08lx\n",
                  tsk->pid, task_pt_regs(tsk)->pc, task_pt_regs(tsk)->sr);
 
         /*
@@ -49,6 +49,11 @@ static void ptrace_single_step(struct task_struct *tsk)
         set_tsk_thread_flag(tsk, TIF_SINGLE_STEP);
 }
 
+void user_disable_single_step(struct task_struct *child)
+{
+        /* XXX(hch): a no-op here seems wrong.. */
+}
+
 /*
  * Called by kernel/ptrace.c when detaching
  *
@@ -167,50 +172,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 ret = ptrace_write_user(child, addr, data);
                 break;
 
-        /* continue and stop at next (return from) syscall */
-        case PTRACE_SYSCALL:
-        /* restart after signal */
-        case PTRACE_CONT:
-                ret = -EIO;
-                if (!valid_signal(data))
-                        break;
-                if (request == PTRACE_SYSCALL)
-                        set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                else
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                child->exit_code = data;
-                /* XXX: Are we sure no breakpoints are active here? */
-                wake_up_process(child);
-                ret = 0;
-                break;
-
-        /*
-         * Make the child exit. Best I can do is send it a
-         * SIGKILL. Perhaps it should be put in the status that it
-         * wants to exit.
-         */
-        case PTRACE_KILL:
-                ret = 0;
-                if (child->exit_state == EXIT_ZOMBIE)
-                        break;
-                child->exit_code = SIGKILL;
-                wake_up_process(child);
-                break;
-
-        /*
-         * execute single instruction.
-         */
-        case PTRACE_SINGLESTEP:
-                ret = -EIO;
-                if (!valid_signal(data))
-                        break;
-                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                ptrace_single_step(child);
-                child->exit_code = data;
-                wake_up_process(child);
-                ret = 0;
-                break;
-
         case PTRACE_GETREGS:
                 ret = ptrace_getregs(child, (void __user *)data);
                 break;
diff --git a/arch/blackfin/include/asm/dma-mapping.h b/arch/blackfin/include/asm/dma-mapping.h
index f9172ff30e5c..413a30314a6f 100644
--- a/arch/blackfin/include/asm/dma-mapping.h
+++ b/arch/blackfin/include/asm/dma-mapping.h
@@ -65,13 +65,6 @@ _dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir)
         }
 }
 
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory
- * until either pci_unmap_single or pci_dma_sync_single is performed.
- */
 static inline dma_addr_t
 dma_map_single(struct device *dev, void *ptr, size_t size,
                enum dma_data_direction dir)
@@ -88,14 +81,6 @@ dma_map_page(struct device *dev, struct page *page,
         return dma_map_single(dev, page_address(page) + offset, size, dir);
 }
 
-/*
- * Unmap a single streaming mode DMA translation.  The dma_addr and size
- * must match what was provided for in a previous pci_map_single call.  All
- * other usages are undefined.
- *
- * After this call, reads by the cpu to the buffer are guarenteed to see
- * whatever the device wrote there.
- */
 static inline void
 dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
                  enum dma_data_direction dir)
@@ -110,30 +95,9 @@ dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,
         dma_unmap_single(dev, dma_addr, size, dir);
 }
 
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA.  This is the scather-gather version of the
- * above pci_map_single interface.  Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- *       DMA address/length pairs than there are SG table elements.
- *       (for example via virtual mapping capabilities)
- *       The routine returns the number of addr/length pairs actually
- *       used, at most nents.
- *
- * Device ownership issues as mentioned above for pci_map_single are
- * the same here.
- */
 extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
                       enum dma_data_direction dir);
 
-/*
- * Unmap a set of streaming mode DMA translations.
- * Again, cpu read rules concerning calls here are the same as for
- * pci_unmap_single() above.
- */
 static inline void
 dma_unmap_sg(struct device *dev, struct scatterlist *sg,
              int nhwentries, enum dma_data_direction dir)
diff --git a/arch/cris/arch-v10/kernel/entry.S b/arch/cris/arch-v10/kernel/entry.S
index c52bef39e250..0d6420d087fd 100644
--- a/arch/cris/arch-v10/kernel/entry.S
+++ b/arch/cris/arch-v10/kernel/entry.S
@@ -692,7 +692,7 @@ sys_call_table:
         .long sys_swapon
         .long sys_reboot
         .long sys_old_readdir
-        .long old_mmap          /* 90 */
+        .long sys_old_mmap      /* 90 */
         .long sys_munmap
         .long sys_truncate
         .long sys_ftruncate
diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c
index ee505b2eb4db..e70c804e9377 100644
--- a/arch/cris/arch-v10/kernel/ptrace.c
+++ b/arch/cris/arch-v10/kernel/ptrace.c
@@ -127,57 +127,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                         ret = 0;
                         break;
 
-                case PTRACE_SYSCALL:
-                case PTRACE_CONT:
-                        ret = -EIO;
-                        
-                        if (!valid_signal(data))
-                                break;
-                        
-                        if (request == PTRACE_SYSCALL) {
-                                set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        }
-                        else {
-                                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        }
-                        
-                        child->exit_code = data;
-                        
-                        /* TODO: make sure any pending breakpoint is killed */
-                        wake_up_process(child);
-                        ret = 0;
-                        
-                        break;
-                
-                /* Make the child exit by sending it a sigkill. */
-                case PTRACE_KILL:
-                        ret = 0;
-                        
-                        if (child->exit_state == EXIT_ZOMBIE)
-                                break;
-                        
-                        child->exit_code = SIGKILL;
-                        
-                        /* TODO: make sure any pending breakpoint is killed */
-                        wake_up_process(child);
-                        break;
-
-                /* Set the trap flag. */
-                case PTRACE_SINGLESTEP:
-                        ret = -EIO;
-                        
-                        if (!valid_signal(data))
-                                break;
-                        
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
-                        /* TODO: set some clever breakpoint mechanism... */
-
-                        child->exit_code = data;
-                        wake_up_process(child);
-                        ret = 0;
-                        break;
-
                 /* Get all GP registers from the child. */
                 case PTRACE_GETREGS: {
                         int i;
diff --git a/arch/cris/arch-v32/kernel/entry.S b/arch/cris/arch-v32/kernel/entry.S
index 435b9671bd4b..1f39861eac8c 100644
--- a/arch/cris/arch-v32/kernel/entry.S
+++ b/arch/cris/arch-v32/kernel/entry.S
@@ -615,7 +615,7 @@ sys_call_table:
         .long sys_swapon
         .long sys_reboot
         .long sys_old_readdir
-        .long old_mmap          /* 90 */
+        .long sys_old_mmap      /* 90 */
         .long sys_munmap
         .long sys_truncate
         .long sys_ftruncate
diff --git a/arch/cris/arch-v32/kernel/ptrace.c b/arch/cris/arch-v32/kernel/ptrace.c
index dd401473f5b5..f4ebd1e7d0f5 100644
--- a/arch/cris/arch-v32/kernel/ptrace.c
+++ b/arch/cris/arch-v32/kernel/ptrace.c
@@ -78,6 +78,35 @@ int put_reg(struct task_struct *task, unsigned int regno, unsigned long data)
         return 0;
 }
 
+void user_enable_single_step(struct task_struct *child)
+{
+        unsigned long tmp;
+
+        /*
+         * Set up SPC if not set already (in which case we have no other
+         * choice but to trust it).
+         */
+        if (!get_reg(child, PT_SPC)) {
+                /* In case we're stopped in a delay slot. */
+                tmp = get_reg(child, PT_ERP) & ~1;
+                put_reg(child, PT_SPC, tmp);
+        }
+        tmp = get_reg(child, PT_CCS) | SBIT_USER;
+        put_reg(child, PT_CCS, tmp);
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+        put_reg(child, PT_SPC, 0);
+
+        if (!get_debugreg(child->pid, PT_BP_CTRL)) {
+                unsigned long tmp;
+                /* If no h/w bp configured, disable S bit. */
+                tmp = get_reg(child, PT_CCS) & ~SBIT_USER;
+                put_reg(child, PT_CCS, tmp);
+        }
+}
+
 /*
  * Called by kernel/ptrace.c when detaching.
  *
@@ -89,8 +118,7 @@ ptrace_disable(struct task_struct *child)
         unsigned long tmp;
 
         /* Deconfigure SPC and S-bit. */
-        tmp = get_reg(child, PT_CCS) & ~SBIT_USER;
-        put_reg(child, PT_CCS, tmp);
+        user_disable_single_step(child);
         put_reg(child, PT_SPC, 0);
 
         /* Deconfigure any watchpoints associated with the child. */
@@ -169,83 +197,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                         ret = 0;
                         break;
 
-                case PTRACE_SYSCALL:
-                case PTRACE_CONT:
-                        ret = -EIO;
-
-                        if (!valid_signal(data))
-                                break;
-
-                        /* Continue means no single-step. */
-                        put_reg(child, PT_SPC, 0);
-
-                        if (!get_debugreg(child->pid, PT_BP_CTRL)) {
-                                unsigned long tmp;
-                                /* If no h/w bp configured, disable S bit. */
-                                tmp = get_reg(child, PT_CCS) & ~SBIT_USER;
-                                put_reg(child, PT_CCS, tmp);
-                        }
-
-                        if (request == PTRACE_SYSCALL) {
-                                set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        }
-                        else {
-                                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        }
-
-                        child->exit_code = data;
-
-                        /* TODO: make sure any pending breakpoint is killed */
-                        wake_up_process(child);
-                        ret = 0;
-
-                        break;
-
-                /* Make the child exit by sending it a sigkill. */
-                case PTRACE_KILL:
-                        ret = 0;
-
-                        if (child->exit_state == EXIT_ZOMBIE)
-                                break;
-
-                        child->exit_code = SIGKILL;
-
-                        /* Deconfigure single-step and h/w bp. */
-                        ptrace_disable(child);
-
-                        /* TODO: make sure any pending breakpoint is killed */
-                        wake_up_process(child);
-                        break;
-
-                /* Set the trap flag. */
-                case PTRACE_SINGLESTEP: {
-                        unsigned long tmp;
-                        ret = -EIO;
-
-                        /* Set up SPC if not set already (in which case we have
-                           no other choice but to trust it). */
-                        if (!get_reg(child, PT_SPC)) {
-                                /* In case we're stopped in a delay slot. */
-                                tmp = get_reg(child, PT_ERP) & ~1;
-                                put_reg(child, PT_SPC, tmp);
-                        }
-                        tmp = get_reg(child, PT_CCS) | SBIT_USER;
-                        put_reg(child, PT_CCS, tmp);
-
-                        if (!valid_signal(data))
-                                break;
-
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
-                        /* TODO: set some clever breakpoint mechanism... */
-
-                        child->exit_code = data;
-                        wake_up_process(child);
-                        ret = 0;
-                        break;
-
-                }
-
                 /* Get all GP registers from the child. */
                 case PTRACE_GETREGS: {
                         int i;
diff --git a/arch/cris/include/arch-v32/arch/ptrace.h b/arch/cris/include/arch-v32/arch/ptrace.h
index 41f4e8662bc2..ffca8d0f2e17 100644
--- a/arch/cris/include/arch-v32/arch/ptrace.h
+++ b/arch/cris/include/arch-v32/arch/ptrace.h
@@ -108,6 +108,7 @@ struct switch_stack {
 
 #ifdef __KERNEL__
 
+#define arch_has_single_step() (1)
 #define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
 #define instruction_pointer(regs) ((regs)->erp)
 extern void show_regs(struct pt_regs *);
diff --git a/arch/cris/include/asm/pci.h b/arch/cris/include/asm/pci.h
index 730ce40fdd0f..9f1cd56da28c 100644
--- a/arch/cris/include/asm/pci.h
+++ b/arch/cris/include/asm/pci.h
@@ -44,14 +44,6 @@ struct pci_dev;
  */
 #define PCI_DMA_BUS_IS_PHYS     (1)
 
-/* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)          (0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME)            (0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)   do { } while (0)
-
 #define HAVE_PCI_MMAP
 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
                                enum pci_mmap_state mmap_state, int write_combine);
diff --git a/arch/cris/include/asm/unistd.h b/arch/cris/include/asm/unistd.h
index c17079388bb9..f6fad83b3a8c 100644
--- a/arch/cris/include/asm/unistd.h
+++ b/arch/cris/include/asm/unistd.h
@@ -352,6 +352,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -364,6 +365,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_MMAP
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/cris/kernel/sys_cris.c b/arch/cris/kernel/sys_cris.c
index c2bbb1ac98a9..7aa036ec78ff 100644
--- a/arch/cris/kernel/sys_cris.c
+++ b/arch/cris/kernel/sys_cris.c
@@ -26,24 +26,6 @@
 #include <asm/uaccess.h>
 #include <asm/segment.h>
 
-asmlinkage unsigned long old_mmap(unsigned long __user *args)
-{        
-        unsigned long buffer[6];
-        int err = -EFAULT;
-
-        if (copy_from_user(&buffer, args, sizeof(buffer)))
-                goto out;
-
-        err = -EINVAL;
-        if (buffer[5] & ~PAGE_MASK) /* verify that offset is on page boundary */
-                goto out;
-
-        err = sys_mmap_pgoff(buffer[0], buffer[1], buffer[2], buffer[3],
-                       buffer[4], buffer[5] >> PAGE_SHIFT);
-out:
-        return err;
-}
-
 asmlinkage long
 sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
           unsigned long flags, unsigned long fd, unsigned long pgoff)
@@ -51,81 +33,3 @@ sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
         /* bug(?): 8Kb pages here */
         return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
 }
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly. (same as arch/i386)
- */
-
-asmlinkage int sys_ipc (uint call, int first, int second,
-                        int third, void __user *ptr, long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        switch (call) {
-        case SEMOP:
-                return sys_semtimedop (first, (struct sembuf __user *)ptr, second, NULL);
-        case SEMTIMEDOP:
-                return sys_semtimedop(first, (struct sembuf __user *)ptr, second,
-                                        (const struct timespec __user *)fifth);
-
-        case SEMGET:
-                return sys_semget (first, second, third);
-        case SEMCTL: {
-                union semun fourth;
-                if (!ptr)
-                        return -EINVAL;
-                if (get_user(fourth.__pad, (void * __user *) ptr))
-                        return -EFAULT;
-                return sys_semctl (first, second, third, fourth);
-        }
-
-        case MSGSND:
-                return sys_msgsnd (first, (struct msgbuf __user *) ptr, 
-                                   second, third);
-        case MSGRCV:
-                switch (version) {
-                case 0: {
-                        struct ipc_kludge tmp;
-                        if (!ptr)
-                                return -EINVAL;
-                        
-                        if (copy_from_user(&tmp,
-                                           (struct ipc_kludge __user *) ptr, 
-                                           sizeof (tmp)))
-                                return -EFAULT;
-                        return sys_msgrcv (first, tmp.msgp, second,
-                                           tmp.msgtyp, third);
-                }
-                default:
-                        return sys_msgrcv (first,
-                                           (struct msgbuf __user *) ptr,
-                                           second, fifth, third);
-                }
-        case MSGGET:
-                return sys_msgget ((key_t) first, second);
-        case MSGCTL:
-                return sys_msgctl (first, second, (struct msqid_ds __user *) ptr);
-
-        case SHMAT: {
-                ulong raddr;
-                ret = do_shmat (first, (char __user *) ptr, second, &raddr);
-                if (ret)
-                        return ret;
-                return put_user (raddr, (ulong __user *) third);
-        }
-        case SHMDT: 
-                return sys_shmdt ((char __user *)ptr);
-        case SHMGET:
-                return sys_shmget (first, second, third);
-        case SHMCTL:
-                return sys_shmctl (first, second,
-                                   (struct shmid_ds __user *) ptr);
-        default:
-                return -ENOSYS;
-        }
-}
diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h
index b2898877c07b..6af5d83e2fb2 100644
--- a/arch/frv/include/asm/dma-mapping.h
+++ b/arch/frv/include/asm/dma-mapping.h
@@ -7,6 +7,11 @@
 #include <asm/scatterlist.h>
 #include <asm/io.h>
 
+/*
+ * See Documentation/DMA-API.txt for the description of how the
+ * following DMA API should work.
+ */
+
 #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)
 
@@ -16,24 +21,9 @@ extern unsigned long __nongprelbss dma_coherent_mem_end;
 void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp);
 void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle);
 
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory
- * until either pci_unmap_single or pci_dma_sync_single is performed.
- */
 extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
                                  enum dma_data_direction direction);
 
-/*
- * Unmap a single streaming mode DMA translation.  The dma_addr and size
- * must match what was provided for in a previous pci_map_single call.  All
- * other usages are undefined.
- *
- * After this call, reads by the cpu to the buffer are guarenteed to see
- * whatever the device wrote there.
- */
 static inline
 void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
                       enum dma_data_direction direction)
@@ -41,30 +31,9 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
         BUG_ON(direction == DMA_NONE);
 }
 
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA.  This is the scather-gather version of the
- * above pci_map_single interface.  Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- *       DMA address/length pairs than there are SG table elements.
- *       (for example via virtual mapping capabilities)
- *       The routine returns the number of addr/length pairs actually
- *       used, at most nents.
- *
- * Device ownership issues as mentioned above for pci_map_single are
- * the same here.
- */
 extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
                       enum dma_data_direction direction);
 
-/*
- * Unmap a set of streaming mode DMA translations.
- * Again, cpu read rules concerning calls here are the same as for
- * pci_unmap_single() above.
- */
 static inline
 void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
              enum dma_data_direction direction)
diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h
index 8c7260a3cd41..0d5997909850 100644
--- a/arch/frv/include/asm/pci.h
+++ b/arch/frv/include/asm/pci.h
@@ -43,14 +43,6 @@ extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
 /* Return the index of the PCI controller for device PDEV. */
 #define pci_controller_num(PDEV)        (0)
 
-/* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)          (0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME)            (0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)   do { } while (0)
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
                                         enum pci_dma_burst_strategy *strat,
diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h
index a54b535c9e49..6bfad4cf1907 100644
--- a/arch/frv/include/asm/ptrace.h
+++ b/arch/frv/include/asm/ptrace.h
@@ -84,8 +84,6 @@ extern void show_regs(struct pt_regs *);
 #define task_pt_regs(task) ((task)->thread.frame0)
 
 #define arch_has_single_step()  (1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
 
 #endif /* !__ASSEMBLY__ */
 #endif /* __KERNEL__ */
diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h
index be6ef0f5cd42..b28da499e22a 100644
--- a/arch/frv/include/asm/unistd.h
+++ b/arch/frv/include/asm/unistd.h
@@ -354,6 +354,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 /* #define __ARCH_WANT_SYS_GETHOSTNAME */
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 /* #define __ARCH_WANT_SYS_SGETMASK */
 /* #define __ARCH_WANT_SYS_SIGNAL */
diff --git a/arch/frv/kernel/sys_frv.c b/arch/frv/kernel/sys_frv.c
index 1d3d4c9e2521..9c4980825bbb 100644
--- a/arch/frv/kernel/sys_frv.c
+++ b/arch/frv/kernel/sys_frv.c
@@ -42,92 +42,3 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
         return sys_mmap_pgoff(addr, len, prot, flags, fd,
                               pgoff >> (PAGE_SHIFT - 12));
 }
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage long sys_ipc(unsigned long call,
-                        unsigned long first,
-                        unsigned long second,
-                        unsigned long third,
-                        void __user *ptr,
-                        unsigned long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        switch (call) {
-        case SEMOP:
-                return sys_semtimedop(first, (struct sembuf __user *)ptr, second, NULL);
-        case SEMTIMEDOP:
-                return sys_semtimedop(first, (struct sembuf __user *)ptr, second,
-                                      (const struct timespec __user *)fifth);
-
-        case SEMGET:
-                return sys_semget (first, second, third);
-        case SEMCTL: {
-                union semun fourth;
-                if (!ptr)
-                        return -EINVAL;
-                if (get_user(fourth.__pad, (void * __user *) ptr))
-                        return -EFAULT;
-                return sys_semctl (first, second, third, fourth);
-        }
-
-        case MSGSND:
-                return sys_msgsnd (first, (struct msgbuf __user *) ptr,
-                                   second, third);
-        case MSGRCV:
-                switch (version) {
-                case 0: {
-                        struct ipc_kludge tmp;
-                        if (!ptr)
-                                return -EINVAL;
-
-                        if (copy_from_user(&tmp,
-                                           (struct ipc_kludge __user *) ptr,
-                                           sizeof (tmp)))
-                                return -EFAULT;
-                        return sys_msgrcv (first, tmp.msgp, second,
-                                           tmp.msgtyp, third);
-                }
-                default:
-                        return sys_msgrcv (first,
-                                           (struct msgbuf __user *) ptr,
-                                           second, fifth, third);
-                }
-        case MSGGET:
-                return sys_msgget ((key_t) first, second);
-        case MSGCTL:
-                return sys_msgctl (first, second, (struct msqid_ds __user *) ptr);
-
-        case SHMAT:
-                switch (version) {
-                default: {
-                        ulong raddr;
-                        ret = do_shmat (first, (char __user *) ptr, second, &raddr);
-                        if (ret)
-                                return ret;
-                        return put_user (raddr, (ulong __user *) third);
-                }
-                case 1: /* iBCS2 emulator entry point */
-                        if (!segment_eq(get_fs(), get_ds()))
-                                return -EINVAL;
-                        /* The "(ulong *) third" is valid _only_ because of the kernel segment thing */
-                        return do_shmat (first, (char __user *) ptr, second, (ulong *) third);
-                }
-        case SHMDT:
-                return sys_shmdt ((char __user *)ptr);
-        case SHMGET:
-                return sys_shmget (first, second, third);
-        case SHMCTL:
-                return sys_shmctl (first, second,
-                                   (struct shmid_ds __user *) ptr);
-        default:
-                return -ENOSYS;
-        }
-}
diff --git a/arch/frv/mb93090-mb00/pci-dma-nommu.c b/arch/frv/mb93090-mb00/pci-dma-nommu.c
index 4e1ba0b15443..e47857f889b6 100644
--- a/arch/frv/mb93090-mb00/pci-dma-nommu.c
+++ b/arch/frv/mb93090-mb00/pci-dma-nommu.c
@@ -106,13 +106,6 @@ void dma_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_
 
 EXPORT_SYMBOL(dma_free_coherent);
 
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory
- * until either dma_unmap_single or pci_dma_sync_single is performed.
- */
 dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
                           enum dma_data_direction direction)
 {
@@ -125,22 +118,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 
 EXPORT_SYMBOL(dma_map_single);
 
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA.  This is the scather-gather version of the
- * above dma_map_single interface.  Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- *       DMA address/length pairs than there are SG table elements.
- *       (for example via virtual mapping capabilities)
- *       The routine returns the number of addr/length pairs actually
- *       used, at most nents.
- *
- * Device ownership issues as mentioned above for dma_map_single are
- * the same here.
- */
 int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
                enum dma_data_direction direction)
 {
@@ -157,13 +134,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 
 EXPORT_SYMBOL(dma_map_sg);
 
-/*
- * Map a single page of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Device ownership issues as mentioned above for dma_map_single are
- * the same here.
- */
 dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset,
                         size_t size, enum dma_data_direction direction)
 {
diff --git a/arch/frv/mb93090-mb00/pci-dma.c b/arch/frv/mb93090-mb00/pci-dma.c
index 45954f0813dc..2c912e805162 100644
--- a/arch/frv/mb93090-mb00/pci-dma.c
+++ b/arch/frv/mb93090-mb00/pci-dma.c
@@ -38,13 +38,6 @@ void dma_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_
 
 EXPORT_SYMBOL(dma_free_coherent);
 
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory
- * until either pci_unmap_single or pci_dma_sync_single is performed.
- */
 dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
                           enum dma_data_direction direction)
 {
@@ -57,22 +50,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 
 EXPORT_SYMBOL(dma_map_single);
 
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA.  This is the scather-gather version of the
- * above dma_map_single interface.  Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- *       DMA address/length pairs than there are SG table elements.
- *       (for example via virtual mapping capabilities)
- *       The routine returns the number of addr/length pairs actually
- *       used, at most nents.
- *
- * Device ownership issues as mentioned above for dma_map_single are
- * the same here.
- */
 int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
                enum dma_data_direction direction)
 {
@@ -103,13 +80,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 
 EXPORT_SYMBOL(dma_map_sg);
 
-/*
- * Map a single page of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Device ownership issues as mentioned above for dma_map_single are
- * the same here.
- */
 dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset,
                         size_t size, enum dma_data_direction direction)
 {
diff --git a/arch/h8300/include/asm/ptrace.h b/arch/h8300/include/asm/ptrace.h
index c2e05e4b512e..d866c0efba87 100644
--- a/arch/h8300/include/asm/ptrace.h
+++ b/arch/h8300/include/asm/ptrace.h
@@ -55,6 +55,8 @@ struct pt_regs {
 /* Find the stack offset for a register, relative to thread.esp0. */
 #define PT_REG(reg)     ((long)&((struct pt_regs *)0)->reg)
 
+#define arch_has_single_step()  (1)
+
 #define user_mode(regs) (!((regs)->ccr & PS_S))
 #define instruction_pointer(regs) ((regs)->pc)
 #define profile_pc(regs) instruction_pointer(regs)
diff --git a/arch/h8300/include/asm/unistd.h b/arch/h8300/include/asm/unistd.h
index 99f3c3561ecb..50f2c5a36591 100644
--- a/arch/h8300/include/asm/unistd.h
+++ b/arch/h8300/include/asm/unistd.h
@@ -336,6 +336,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -348,6 +349,8 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_MMAP
+#define __ARCH_WANT_SYS_OLD_SELECT
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c
index d32bbf02fc48..df114122ebdf 100644
--- a/arch/h8300/kernel/ptrace.c
+++ b/arch/h8300/kernel/ptrace.c
@@ -34,25 +34,20 @@
 /* cpu depend functions */
 extern long h8300_get_reg(struct task_struct *task, int regno);
 extern int  h8300_put_reg(struct task_struct *task, int regno, unsigned long data);
-extern void h8300_disable_trace(struct task_struct *child);
-extern void h8300_enable_trace(struct task_struct *child);
+
+
+void user_disable_single_step(struct task_struct *child)
+{
+}
 
 /*
  * does not yet catch signals sent when the child dies.
  * in exit.c or in signal.c.
  */
 
-inline
-static int read_long(struct task_struct * tsk, unsigned long addr,
-        unsigned long * result)
-{
-        *result = *(unsigned long *)addr;
-        return 0;
-}
-
 void ptrace_disable(struct task_struct *child)
 {
-        h8300_disable_trace(child);
+        user_disable_single_step(child);
 }
 
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
@@ -60,17 +55,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
         int ret;
 
         switch (request) {
-                case PTRACE_PEEKTEXT: /* read word at location addr. */ 
-                case PTRACE_PEEKDATA: {
-                        unsigned long tmp;
-
-                        ret = read_long(child, addr, &tmp);
-                        if (ret < 0)
-                                break ;
-                        ret = put_user(tmp, (unsigned long *) data);
-                        break ;
-                }
-
         /* read the word at location addr in the USER area. */
                 case PTRACE_PEEKUSR: {
                         unsigned long tmp = 0;
@@ -109,11 +93,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 }
 
       /* when I and D space are separate, this will have to be fixed. */
-                case PTRACE_POKETEXT: /* write the word at location addr. */
-                case PTRACE_POKEDATA:
-                        ret = generic_ptrace_pokedata(child, addr, data);
-                        break;
-
                 case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
                         if ((addr & 3) || addr < 0 || addr >= sizeof(struct user)) {
                                 ret = -EIO;
@@ -131,53 +110,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                         }
                         ret = -EIO;
                         break ;
-                case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
-                case PTRACE_CONT: { /* restart after signal. */
-                        ret = -EIO;
-                        if (!valid_signal(data))
-                                break ;
-                        if (request == PTRACE_SYSCALL)
-                                set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        else
-                                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        child->exit_code = data;
-                        wake_up_process(child);
-                        /* make sure the single step bit is not set. */
-                        h8300_disable_trace(child);
-                        ret = 0;
-                }
-
-/*
- * make the child exit.  Best I can do is send it a sigkill. 
- * perhaps it should be put in the status that it wants to 
- * exit.
- */
-                case PTRACE_KILL: {
-
-                        ret = 0;
-                        if (child->exit_state == EXIT_ZOMBIE) /* already dead */
-                                break;
-                        child->exit_code = SIGKILL;
-                        h8300_disable_trace(child);
-                        wake_up_process(child);
-                        break;
-                }
-
-                case PTRACE_SINGLESTEP: {  /* set the trap flag. */
-                        ret = -EIO;
-                        if (!valid_signal(data))
-                                break;
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        child->exit_code = data;
-                        h8300_enable_trace(child);
-                        wake_up_process(child);
-                        ret = 0;
-                        break;
-                }
-
-                case PTRACE_DETACH:     /* detach a process that was attached. */
-                        ret = ptrace_detach(child, data);
-                        break;
 
                 case PTRACE_GETREGS: { /* Get all gp regs from the child. */
                         int i;
@@ -210,7 +142,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 }
 
                 default:
-                        ret = -EIO;
+                        ret = ptrace_request(child, request, addr, data);
                         break;
         }
         return ret;
diff --git a/arch/h8300/kernel/sys_h8300.c b/arch/h8300/kernel/sys_h8300.c
index b5969db0ca10..f9b3f44da69f 100644
--- a/arch/h8300/kernel/sys_h8300.c
+++ b/arch/h8300/kernel/sys_h8300.c
@@ -26,144 +26,6 @@
 #include <asm/traps.h>
 #include <asm/unistd.h>
 
-/*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to
- * handle more than 4 system call parameters, so these system calls
- * used a memory block for parameter passing..
- */
-
-struct mmap_arg_struct {
-        unsigned long addr;
-        unsigned long len;
-        unsigned long prot;
-        unsigned long flags;
-        unsigned long fd;
-        unsigned long offset;
-};
-
-asmlinkage int old_mmap(struct mmap_arg_struct *arg)
-{
-        struct mmap_arg_struct a;
-        int error = -EFAULT;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                goto out;
-
-        error = -EINVAL;
-        if (a.offset & ~PAGE_MASK)
-                goto out;
-
-        error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
-                               a.offset >> PAGE_SHIFT);
-out:
-        return error;
-}
-
-struct sel_arg_struct {
-        unsigned long n;
-        fd_set *inp, *outp, *exp;
-        struct timeval *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct *arg)
-{
-        struct sel_arg_struct a;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                return -EFAULT;
-        /* sys_select() does the appropriate kernel locking */
-        return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc (uint call, int first, int second,
-                        int third, void *ptr, long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        if (call <= SEMCTL)
-                switch (call) {
-                case SEMOP:
-                        return sys_semop (first, (struct sembuf *)ptr, second);
-                case SEMGET:
-                        return sys_semget (first, second, third);
-                case SEMCTL: {
-                        union semun fourth;
-                        if (!ptr)
-                                return -EINVAL;
-                        if (get_user(fourth.__pad, (void **) ptr))
-                                return -EFAULT;
-                        return sys_semctl (first, second, third, fourth);
-                        }
-                default:
-                        return -EINVAL;
-                }
-        if (call <= MSGCTL) 
-                switch (call) {
-                case MSGSND:
-                        return sys_msgsnd (first, (struct msgbuf *) ptr, 
-                                          second, third);
-                case MSGRCV:
-                        switch (version) {
-                        case 0: {
-                                struct ipc_kludge tmp;
-                                if (!ptr)
-                                        return -EINVAL;
-                                if (copy_from_user (&tmp,
-                                                    (struct ipc_kludge *)ptr,
-                                                    sizeof (tmp)))
-                                        return -EFAULT;
-                                return sys_msgrcv (first, tmp.msgp, second,
-                                                   tmp.msgtyp, third);
-                                }
-                        default:
-                                return sys_msgrcv (first,
-                                                   (struct msgbuf *) ptr,
-                                                   second, fifth, third);
-                        }
-                case MSGGET:
-                        return sys_msgget ((key_t) first, second);
-                case MSGCTL:
-                        return sys_msgctl (first, second,
-                                           (struct msqid_ds *) ptr);
-                default:
-                        return -EINVAL;
-                }
-        if (call <= SHMCTL) 
-                switch (call) {
-                case SHMAT:
-                        switch (version) {
-                        default: {
-                                ulong raddr;
-                                ret = do_shmat (first, (char *) ptr,
-                                                 second, &raddr);
-                                if (ret)
-                                        return ret;
-                                return put_user (raddr, (ulong *) third);
-                        }
-                        }
-                case SHMDT: 
-                        return sys_shmdt ((char *)ptr);
-                case SHMGET:
-                        return sys_shmget (first, second, third);
-                case SHMCTL:
-                        return sys_shmctl (first, second,
-                                           (struct shmid_ds *) ptr);
-                default:
-                        return -EINVAL;
-                }
-
-        return -EINVAL;
-}
-
 /* sys_cacheflush -- no support.  */
 asmlinkage int
 sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len)
diff --git a/arch/h8300/kernel/syscalls.S b/arch/h8300/kernel/syscalls.S
index 2d69881eda6a..faefaff7d43d 100644
--- a/arch/h8300/kernel/syscalls.S
+++ b/arch/h8300/kernel/syscalls.S
@@ -96,7 +96,7 @@ SYMBOL_NAME_LABEL(sys_call_table)
         .long SYMBOL_NAME(sys_settimeofday)
         .long SYMBOL_NAME(sys_getgroups16)      /* 80 */
         .long SYMBOL_NAME(sys_setgroups16)
-        .long SYMBOL_NAME(old_select)
+        .long SYMBOL_NAME(sys_old_select)
         .long SYMBOL_NAME(sys_symlink)
         .long SYMBOL_NAME(sys_lstat)
         .long SYMBOL_NAME(sys_readlink)         /* 85 */
@@ -104,7 +104,7 @@ SYMBOL_NAME_LABEL(sys_call_table)
         .long SYMBOL_NAME(sys_swapon)
         .long SYMBOL_NAME(sys_reboot)
         .long SYMBOL_NAME(sys_old_readdir)
-        .long SYMBOL_NAME(old_mmap)             /* 90 */
+        .long SYMBOL_NAME(sys_old_mmap)         /* 90 */
         .long SYMBOL_NAME(sys_munmap)
         .long SYMBOL_NAME(sys_truncate)
         .long SYMBOL_NAME(sys_ftruncate)
diff --git a/arch/h8300/platform/h8300h/ptrace_h8300h.c b/arch/h8300/platform/h8300h/ptrace_h8300h.c
index 746b1ae672a1..4f1ed0279633 100644
--- a/arch/h8300/platform/h8300h/ptrace_h8300h.c
+++ b/arch/h8300/platform/h8300h/ptrace_h8300h.c
@@ -60,7 +60,7 @@ int h8300_put_reg(struct task_struct *task, int regno, unsigned long data)
 }
 
 /* disable singlestep */
-void h8300_disable_trace(struct task_struct *child)
+void user_disable_single_step(struct task_struct *child)
 {
         if((long)child->thread.breakinfo.addr != -1L) {
                 *child->thread.breakinfo.addr = child->thread.breakinfo.inst;
@@ -264,7 +264,7 @@ static unsigned short *getnextpc(struct task_struct *child, unsigned short *pc)
 
 /* Set breakpoint(s) to simulate a single step from the current PC.  */
 
-void h8300_enable_trace(struct task_struct *child)
+void user_enable_single_step(struct task_struct *child)
 {
         unsigned short *nextpc;
         nextpc = getnextpc(child,(unsigned short *)h8300_get_reg(child, PT_PC));
@@ -276,7 +276,7 @@ void h8300_enable_trace(struct task_struct *child)
 asmlinkage void trace_trap(unsigned long bp)
 {
         if ((unsigned long)current->thread.breakinfo.addr == bp) {
-                h8300_disable_trace(current);
+                user_disable_single_step(current);
                 force_sig(SIGTRAP,current);
         } else
                 force_sig(SIGILL,current);
diff --git a/arch/h8300/platform/h8s/ptrace_h8s.c b/arch/h8300/platform/h8s/ptrace_h8s.c
index e8cd46f9255c..c058ab1a8495 100644
--- a/arch/h8300/platform/h8s/ptrace_h8s.c
+++ b/arch/h8300/platform/h8s/ptrace_h8s.c
@@ -65,13 +65,13 @@ int h8300_put_reg(struct task_struct *task, int regno, unsigned long data)
 }
 
 /* disable singlestep */
-void h8300_disable_trace(struct task_struct *child)
+void user_disable_single_step(struct task_struct *child)
 {
         *(unsigned short *)(child->thread.esp0 + h8300_register_offset[PT_EXR]) &= ~EXR_TRACE;
 }
 
 /* enable singlestep */
-void h8300_enable_trace(struct task_struct *child)
+void user_enable_single_step(struct task_struct *child)
 {
         *(unsigned short *)(child->thread.esp0 + h8300_register_offset[PT_EXR]) |= EXR_TRACE;
 }
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 9a50d7dd2a0b..4d4f4188cdf1 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -53,6 +53,9 @@ config MMU
         bool
         default y
 
+config NEED_DMA_MAP_STATE
+        def_bool y
+
 config SWIOTLB
        bool
 
diff --git a/arch/ia64/include/asm/compat.h b/arch/ia64/include/asm/compat.h
index dfcf75b8426d..f90edc85b509 100644
--- a/arch/ia64/include/asm/compat.h
+++ b/arch/ia64/include/asm/compat.h
@@ -5,7 +5,8 @@
  */
 #include <linux/types.h>
 
-#define COMPAT_USER_HZ  100
+#define COMPAT_USER_HZ          100
+#define COMPAT_UTS_MACHINE      "i686\0\0\0"
 
 typedef u32             compat_size_t;
 typedef s32             compat_ssize_t;
diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index 55281aabe5f2..73b5f785e70c 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -56,20 +56,6 @@ pcibios_penalize_isa_irq (int irq, int active)
 
 #include <asm-generic/pci-dma-compat.h>
 
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       \
-        dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         \
-        __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)                  \
-        ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)         \
-        (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)                    \
-        ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)           \
-        (((PTR)->LEN_NAME) = (VAL))
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
                                         enum pci_dma_burst_strategy *strat,
diff --git a/arch/ia64/include/asm/ptrace.h b/arch/ia64/include/asm/ptrace.h
index 14055c636adf..7ae9c3f15a1c 100644
--- a/arch/ia64/include/asm/ptrace.h
+++ b/arch/ia64/include/asm/ptrace.h
@@ -319,11 +319,7 @@ static inline unsigned long user_stack_pointer(struct pt_regs *regs)
         ptrace_attach_sync_user_rbs(child)
 
   #define arch_has_single_step()  (1)
-  extern void user_enable_single_step(struct task_struct *);
-  extern void user_disable_single_step(struct task_struct *);
-
   #define arch_has_block_step()   (1)
-  extern void user_enable_block_step(struct task_struct *);
 
 #endif /* !__KERNEL__ */
 
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 8f060352e129..b3a5818088d9 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -282,7 +282,7 @@ static ssize_t cache_show(struct kobject * kobj, struct attribute * attr, char *
         return ret;
 }
 
-static struct sysfs_ops cache_sysfs_ops = {
+static const struct sysfs_ops cache_sysfs_ops = {
         .show   = cache_show
 };
 
diff --git a/arch/m32r/include/asm/ptrace.h b/arch/m32r/include/asm/ptrace.h
index a0755b982028..840a1231edeb 100644
--- a/arch/m32r/include/asm/ptrace.h
+++ b/arch/m32r/include/asm/ptrace.h
@@ -120,6 +120,8 @@ struct pt_regs {
 
 #include <asm/m32r.h>           /* M32R_PSW_BSM, M32R_PSW_BPM */
 
+#define arch_has_single_step() (1)
+
 struct task_struct;
 extern void init_debug_traps(struct task_struct *);
 #define arch_ptrace_attach(child) \
diff --git a/arch/m32r/include/asm/unistd.h b/arch/m32r/include/asm/unistd.h
index cf701c933249..76125777483c 100644
--- a/arch/m32r/include/asm/unistd.h
+++ b/arch/m32r/include/asm/unistd.h
@@ -339,6 +339,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_TIME
 #define __ARCH_WANT_SYS_UTIME
diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c
index 98682bba0ed9..e555091eb97c 100644
--- a/arch/m32r/kernel/ptrace.c
+++ b/arch/m32r/kernel/ptrace.c
@@ -580,6 +580,35 @@ init_debug_traps(struct task_struct *child)
         }
 }
 
+void user_enable_single_step(struct task_struct *child)
+{
+        unsigned long next_pc;
+        unsigned long pc, insn;
+
+        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+
+        /* Compute next pc.  */
+        pc = get_stack_long(child, PT_BPC);
+
+        if (access_process_vm(child, pc&~3, &insn, sizeof(insn), 0)
+            != sizeof(insn))
+                break;
+
+        compute_next_pc(insn, pc, &next_pc, child);
+        if (next_pc & 0x80000000)
+                break;
+
+        if (embed_debug_trap(child, next_pc))
+                break;
+
+        invalidate_cache();
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+        unregister_all_debug_traps(child);
+        invalidate_cache();
+}
 
 /*
  * Called by kernel/ptrace.c when detaching..
@@ -630,74 +659,6 @@ arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 ret = ptrace_write_user(child, addr, data);
                 break;
 
-        /*
-         * continue/restart and stop at next (return from) syscall
-         */
-        case PTRACE_SYSCALL:
-        case PTRACE_CONT:
-                ret = -EIO;
-                if (!valid_signal(data))
-                        break;
-                if (request == PTRACE_SYSCALL)
-                        set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                else
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                child->exit_code = data;
-                wake_up_process(child);
-                ret = 0;
-                break;
-
-        /*
-         * make the child exit.  Best I can do is send it a sigkill.
-         * perhaps it should be put in the status that it wants to
-         * exit.
-         */
-        case PTRACE_KILL: {
-                ret = 0;
-                unregister_all_debug_traps(child);
-                invalidate_cache();
-                if (child->exit_state == EXIT_ZOMBIE)   /* already dead */
-                        break;
-                child->exit_code = SIGKILL;
-                wake_up_process(child);
-                break;
-        }
-
-        /*
-         * execute single instruction.
-         */
-        case PTRACE_SINGLESTEP: {
-                unsigned long next_pc;
-                unsigned long pc, insn;
-
-                ret = -EIO;
-                if (!valid_signal(data))
-                        break;
-                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
-                /* Compute next pc.  */
-                pc = get_stack_long(child, PT_BPC);
-
-                if (access_process_vm(child, pc&~3, &insn, sizeof(insn), 0)
-                    != sizeof(insn))
-                        break;
-
-                compute_next_pc(insn, pc, &next_pc, child);
-                if (next_pc & 0x80000000)
-                        break;
-
-                if (embed_debug_trap(child, next_pc))
-                        break;
-
-                invalidate_cache();
-                child->exit_code = data;
-
-                /* give it a chance to run. */
-                wake_up_process(child);
-                ret = 0;
-                break;
-        }
-
         case PTRACE_GETREGS:
                 ret = ptrace_getregs(child, (void __user *)data);
                 break;
diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c
index d3c865c5a6ba..0a00f467edfa 100644
--- a/arch/m32r/kernel/sys_m32r.c
+++ b/arch/m32r/kernel/sys_m32r.c
@@ -76,98 +76,6 @@ asmlinkage int sys_tas(int __user *addr)
         return oldval;
 }
 
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc(uint call, int first, int second,
-                       int third, void __user *ptr, long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        switch (call) {
-        case SEMOP:
-                return sys_semtimedop(first, (struct sembuf __user *)ptr,
-                                      second, NULL);
-        case SEMTIMEDOP:
-                return sys_semtimedop(first, (struct sembuf __user *)ptr,
-                                      second, (const struct timespec __user *)fifth);
-        case SEMGET:
-                return sys_semget (first, second, third);
-        case SEMCTL: {
-                union semun fourth;
-                if (!ptr)
-                        return -EINVAL;
-                if (get_user(fourth.__pad, (void __user * __user *) ptr))
-                        return -EFAULT;
-                return sys_semctl (first, second, third, fourth);
-                }
-
-        case MSGSND:
-                return sys_msgsnd (first, (struct msgbuf __user *) ptr,
-                                   second, third);
-        case MSGRCV:
-                switch (version) {
-                case 0: {
-                        struct ipc_kludge tmp;
-                        if (!ptr)
-                                return -EINVAL;
-
-                        if (copy_from_user(&tmp,
-                                           (struct ipc_kludge __user *) ptr,
-                                           sizeof (tmp)))
-                                return -EFAULT;
-                        return sys_msgrcv (first, tmp.msgp, second,
-                                           tmp.msgtyp, third);
-                        }
-                default:
-                        return sys_msgrcv (first,
-                                           (struct msgbuf __user *) ptr,
-                                           second, fifth, third);
-                }
-        case MSGGET:
-                return sys_msgget ((key_t) first, second);
-        case MSGCTL:
-                return sys_msgctl (first, second,
-                                   (struct msqid_ds __user *) ptr);
-        case SHMAT: {
-                ulong raddr;
-
-                if (!access_ok(VERIFY_WRITE, (ulong __user *) third,
-                                      sizeof(ulong)))
-                        return -EFAULT;
-                ret = do_shmat (first, (char __user *) ptr, second, &raddr);
-                if (ret)
-                        return ret;
-                return put_user (raddr, (ulong __user *) third);
-                }
-        case SHMDT:
-                return sys_shmdt ((char __user *)ptr);
-        case SHMGET:
-                return sys_shmget (first, second, third);
-        case SHMCTL:
-                return sys_shmctl (first, second,
-                                   (struct shmid_ds __user *) ptr);
-        default:
-                return -ENOSYS;
-        }
-}
-
-asmlinkage int sys_uname(struct old_utsname __user * name)
-{
-        int err;
-        if (!name)
-                return -EFAULT;
-        down_read(&uts_sem);
-        err = copy_to_user(name, utsname(), sizeof (*name));
-        up_read(&uts_sem);
-        return err?-EFAULT:0;
-}
-
 asmlinkage int sys_cacheflush(void *addr, int bytes, int cache)
 {
         /* This should flush more selectively ...  */
diff --git a/arch/m68k/include/asm/ptrace.h b/arch/m68k/include/asm/ptrace.h
index 21605c736f69..6e6e3ac1d913 100644
--- a/arch/m68k/include/asm/ptrace.h
+++ b/arch/m68k/include/asm/ptrace.h
@@ -87,18 +87,10 @@ struct switch_stack {
 #define profile_pc(regs) instruction_pointer(regs)
 extern void show_regs(struct pt_regs *);
 
-/*
- * These are defined as per linux/ptrace.h.
- */
-struct task_struct;
-
 #define arch_has_single_step()  (1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
 
 #ifdef CONFIG_MMU
 #define arch_has_block_step()   (1)
-extern void user_enable_block_step(struct task_struct *);
 #endif
 
 #endif /* __KERNEL__ */
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index d72a71dabecb..60b15d0aa072 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -351,6 +351,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -363,6 +364,8 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_MMAP
+#define __ARCH_WANT_SYS_OLD_SELECT
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S
index e136b8cbe9b9..2391bdff0996 100644
--- a/arch/m68k/kernel/entry.S
+++ b/arch/m68k/kernel/entry.S
@@ -510,7 +510,7 @@ sys_call_table:
         .long sys_settimeofday
         .long sys_getgroups16   /* 80 */
         .long sys_setgroups16
-        .long old_select
+        .long sys_old_select
         .long sys_symlink
         .long sys_lstat
         .long sys_readlink      /* 85 */
@@ -518,7 +518,7 @@ sys_call_table:
         .long sys_swapon
         .long sys_reboot
         .long sys_old_readdir
-        .long old_mmap          /* 90 */
+        .long sys_old_mmap      /* 90 */
         .long sys_munmap
         .long sys_truncate
         .long sys_ftruncate
diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c
index e3ad2d671973..77896692eb0a 100644
--- a/arch/m68k/kernel/sys_m68k.c
+++ b/arch/m68k/kernel/sys_m68k.c
@@ -46,137 +46,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
         return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
 }
 
-/*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to
- * handle more than 4 system call parameters, so these system calls
- * used a memory block for parameter passing..
- */
-
-struct mmap_arg_struct {
-        unsigned long addr;
-        unsigned long len;
-        unsigned long prot;
-        unsigned long flags;
-        unsigned long fd;
-        unsigned long offset;
-};
-
-asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
-{
-        struct mmap_arg_struct a;
-        int error = -EFAULT;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                goto out;
-
-        error = -EINVAL;
-        if (a.offset & ~PAGE_MASK)
-                goto out;
-
-        error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
-                               a.offset >> PAGE_SHIFT);
-out:
-        return error;
-}
-
-struct sel_arg_struct {
-        unsigned long n;
-        fd_set __user *inp, *outp, *exp;
-        struct timeval __user *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct __user *arg)
-{
-        struct sel_arg_struct a;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                return -EFAULT;
-        /* sys_select() does the appropriate kernel locking */
-        return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc (uint call, int first, int second,
-                        int third, void __user *ptr, long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        if (call <= SEMCTL)
-                switch (call) {
-                case SEMOP:
-                        return sys_semop (first, ptr, second);
-                case SEMGET:
-                        return sys_semget (first, second, third);
-                case SEMCTL: {
-                        union semun fourth;
-                        if (!ptr)
-                                return -EINVAL;
-                        if (get_user(fourth.__pad, (void __user *__user *) ptr))
-                                return -EFAULT;
-                        return sys_semctl (first, second, third, fourth);
-                        }
-                default:
-                        return -ENOSYS;
-                }
-        if (call <= MSGCTL)
-                switch (call) {
-                case MSGSND:
-                        return sys_msgsnd (first, ptr, second, third);
-                case MSGRCV:
-                        switch (version) {
-                        case 0: {
-                                struct ipc_kludge tmp;
-                                if (!ptr)
-                                        return -EINVAL;
-                                if (copy_from_user (&tmp, ptr, sizeof (tmp)))
-                                        return -EFAULT;
-                                return sys_msgrcv (first, tmp.msgp, second,
-                                                   tmp.msgtyp, third);
-                                }
-                        default:
-                                return sys_msgrcv (first, ptr,
-                                                   second, fifth, third);
-                        }
-                case MSGGET:
-                        return sys_msgget ((key_t) first, second);
-                case MSGCTL:
-                        return sys_msgctl (first, second, ptr);
-                default:
-                        return -ENOSYS;
-                }
-        if (call <= SHMCTL)
-                switch (call) {
-                case SHMAT:
-                        switch (version) {
-                        default: {
-                                ulong raddr;
-                                ret = do_shmat (first, ptr, second, &raddr);
-                                if (ret)
-                                        return ret;
-                                return put_user (raddr, (ulong __user *) third);
-                        }
-                        }
-                case SHMDT:
-                        return sys_shmdt (ptr);
-                case SHMGET:
-                        return sys_shmget (first, second, third);
-                case SHMCTL:
-                        return sys_shmctl (first, second, ptr);
-                default:
-                        return -ENOSYS;
-                }
-
-        return -EINVAL;
-}
-
 /* Convert virtual (user) address VADDR to physical address PADDR */
 #define virt_to_phys_040(vaddr)                                         \
 ({                                                                      \
diff --git a/arch/m68knommu/kernel/ptrace.c b/arch/m68knommu/kernel/ptrace.c
index 85ed2f988f98..f6be1248d216 100644
--- a/arch/m68knommu/kernel/ptrace.c
+++ b/arch/m68knommu/kernel/ptrace.c
@@ -116,12 +116,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
         int ret;
 
         switch (request) {
-                /* when I and D space are separate, these will need to be fixed. */
-                case PTRACE_PEEKTEXT: /* read word at location addr. */ 
-                case PTRACE_PEEKDATA:
-                        ret = generic_ptrace_peekdata(child, addr, data);
-                        break;
-
                 /* read the word at location addr in the USER area. */
                 case PTRACE_PEEKUSR: {
                         unsigned long tmp;
@@ -160,12 +154,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                         break;
                 }
 
-                /* when I and D space are separate, this will have to be fixed. */
-                case PTRACE_POKETEXT: /* write the word at location addr. */
-                case PTRACE_POKEDATA:
-                        ret = generic_ptrace_pokedata(child, addr, data);
-                        break;
-
                 case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
                         ret = -EIO;
                         if ((addr & 3) || addr < 0 ||
@@ -202,66 +190,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                         }
                         break;
 
-                case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
-                case PTRACE_CONT: { /* restart after signal. */
-                        long tmp;
-
-                        ret = -EIO;
-                        if (!valid_signal(data))
-                                break;
-                        if (request == PTRACE_SYSCALL)
-                                set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        else
-                                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        child->exit_code = data;
-                        /* make sure the single step bit is not set. */
-                        tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
-                        put_reg(child, PT_SR, tmp);
-                        wake_up_process(child);
-                        ret = 0;
-                        break;
-                }
-
-                /*
-                 * make the child exit.  Best I can do is send it a sigkill. 
-                 * perhaps it should be put in the status that it wants to 
-                 * exit.
-                 */
-                case PTRACE_KILL: {
-                        long tmp;
-
-                        ret = 0;
-                        if (child->exit_state == EXIT_ZOMBIE) /* already dead */
-                                break;
-                        child->exit_code = SIGKILL;
-                        /* make sure the single step bit is not set. */
-                        tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
-                        put_reg(child, PT_SR, tmp);
-                        wake_up_process(child);
-                        break;
-                }
-
-                case PTRACE_SINGLESTEP: {  /* set the trap flag. */
-                        long tmp;
-
-                        ret = -EIO;
-                        if (!valid_signal(data))
-                                break;
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                        tmp = get_reg(child, PT_SR) | (TRACE_BITS << 16);
-                        put_reg(child, PT_SR, tmp);
-
-                        child->exit_code = data;
-                        /* give it a chance to run. */
-                        wake_up_process(child);
-                        ret = 0;
-                        break;
-                }
-
-                case PTRACE_DETACH:     /* detach a process that was attached. */
-                        ret = ptrace_detach(child, data);
-                        break;
-
                 case PTRACE_GETREGS: { /* Get all gp regs from the child. */
                         int i;
                         unsigned long tmp;
@@ -325,7 +253,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 break;
 
                 default:
-                        ret = -EIO;
+                        ret = ptrace_request(child, request, addr, data);
                         break;
         }
         return ret;
diff --git a/arch/m68knommu/kernel/sys_m68k.c b/arch/m68knommu/kernel/sys_m68k.c
index 923dd4aab875..d65e9c4c930c 100644
--- a/arch/m68knommu/kernel/sys_m68k.c
+++ b/arch/m68knommu/kernel/sys_m68k.c
@@ -27,142 +27,6 @@
 #include <asm/cacheflush.h>
 #include <asm/unistd.h>
 
-/*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to
- * handle more than 4 system call parameters, so these system calls
- * used a memory block for parameter passing..
- */
-
-struct mmap_arg_struct {
-        unsigned long addr;
-        unsigned long len;
-        unsigned long prot;
-        unsigned long flags;
-        unsigned long fd;
-        unsigned long offset;
-};
-
-asmlinkage int old_mmap(struct mmap_arg_struct *arg)
-{
-        struct mmap_arg_struct a;
-        int error = -EFAULT;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                goto out;
-
-        error = -EINVAL;
-        if (a.offset & ~PAGE_MASK)
-                goto out;
-
-        error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
-                                a.offset >> PAGE_SHIFT);
-out:
-        return error;
-}
-
-struct sel_arg_struct {
-        unsigned long n;
-        fd_set *inp, *outp, *exp;
-        struct timeval *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct *arg)
-{
-        struct sel_arg_struct a;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                return -EFAULT;
-        /* sys_select() does the appropriate kernel locking */
-        return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc (uint call, int first, int second,
-                        int third, void *ptr, long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        if (call <= SEMCTL)
-                switch (call) {
-                case SEMOP:
-                        return sys_semop (first, (struct sembuf *)ptr, second);
-                case SEMGET:
-                        return sys_semget (first, second, third);
-                case SEMCTL: {
-                        union semun fourth;
-                        if (!ptr)
-                                return -EINVAL;
-                        if (get_user(fourth.__pad, (void **) ptr))
-                                return -EFAULT;
-                        return sys_semctl (first, second, third, fourth);
-                        }
-                default:
-                        return -EINVAL;
-                }
-        if (call <= MSGCTL) 
-                switch (call) {
-                case MSGSND:
-                        return sys_msgsnd (first, (struct msgbuf *) ptr, 
-                                          second, third);
-                case MSGRCV:
-                        switch (version) {
-                        case 0: {
-                                struct ipc_kludge tmp;
-                                if (!ptr)
-                                        return -EINVAL;
-                                if (copy_from_user (&tmp,
-                                                    (struct ipc_kludge *)ptr,
-                                                    sizeof (tmp)))
-                                        return -EFAULT;
-                                return sys_msgrcv (first, tmp.msgp, second,
-                                                   tmp.msgtyp, third);
-                                }
-                        default:
-                                return sys_msgrcv (first,
-                                                   (struct msgbuf *) ptr,
-                                                   second, fifth, third);
-                        }
-                case MSGGET:
-                        return sys_msgget ((key_t) first, second);
-                case MSGCTL:
-                        return sys_msgctl (first, second,
-                                           (struct msqid_ds *) ptr);
-                default:
-                        return -EINVAL;
-                }
-        if (call <= SHMCTL)
-                switch (call) {
-                case SHMAT:
-                        switch (version) {
-                        default: {
-                                ulong raddr;
-                                ret = do_shmat (first, ptr, second, &raddr);
-                                if (ret)
-                                        return ret;
-                                return put_user (raddr, (ulong __user *) third);
-                        }
-                        }
-                case SHMDT:
-                        return sys_shmdt (ptr);
-                case SHMGET:
-                        return sys_shmget (first, second, third);
-                case SHMCTL:
-                        return sys_shmctl (first, second, ptr);
-                default:
-                        return -ENOSYS;
-                }
-
-        return -EINVAL;
-}
-
 /* sys_cacheflush -- flush (part of) the processor cache.  */
 asmlinkage int
 sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len)
diff --git a/arch/m68knommu/kernel/syscalltable.S b/arch/m68knommu/kernel/syscalltable.S
index 56dd01ded148..b30b3eb197a5 100644
--- a/arch/m68knommu/kernel/syscalltable.S
+++ b/arch/m68knommu/kernel/syscalltable.S
@@ -100,7 +100,7 @@ ENTRY(sys_call_table)
         .long sys_settimeofday
         .long sys_getgroups16   /* 80 */
         .long sys_setgroups16
-        .long old_select
+        .long sys_old_select
         .long sys_symlink
         .long sys_lstat
         .long sys_readlink      /* 85 */
@@ -108,7 +108,7 @@ ENTRY(sys_call_table)
         .long sys_ni_syscall    /* sys_swapon */
         .long sys_reboot
         .long sys_old_readdir
-        .long old_mmap          /* 90 */
+        .long sys_old_mmap      /* 90 */
         .long sys_munmap
         .long sys_truncate
         .long sys_ftruncate
diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c
index 4b3ac32754de..6d6349a145f9 100644
--- a/arch/microblaze/kernel/ptrace.c
+++ b/arch/microblaze/kernel/ptrace.c
@@ -78,26 +78,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
         unsigned long copied;
 
         switch (request) {
-        case PTRACE_PEEKTEXT: /* read word at location addr. */
-        case PTRACE_PEEKDATA:
-                pr_debug("PEEKTEXT/PEEKDATA at %08lX\n", addr);
-                copied = access_process_vm(child, addr, &val, sizeof(val), 0);
-                rval = -EIO;
-                if (copied != sizeof(val))
-                        break;
-                rval = put_user(val, (unsigned long *)data);
-                break;
-
-        case PTRACE_POKETEXT: /* write the word at location addr. */
-        case PTRACE_POKEDATA:
-                pr_debug("POKETEXT/POKEDATA to %08lX\n", addr);
-                rval = 0;
-                if (access_process_vm(child, addr, &data, sizeof(data), 1)
-                    == sizeof(data))
-                        break;
-                rval = -EIO;
-                break;
-
         /* Read/write the word at location ADDR in the registers. */
         case PTRACE_PEEKUSR:
         case PTRACE_POKEUSR:
@@ -130,50 +110,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 if (rval == 0 && request == PTRACE_PEEKUSR)
                         rval = put_user(val, (unsigned long *)data);
                 break;
-        /* Continue and stop at next (return from) syscall */
-        case PTRACE_SYSCALL:
-                pr_debug("PTRACE_SYSCALL\n");
-        case PTRACE_SINGLESTEP:
-                pr_debug("PTRACE_SINGLESTEP\n");
-        /* Restart after a signal.  */
-        case PTRACE_CONT:
-                pr_debug("PTRACE_CONT\n");
-                rval = -EIO;
-                if (!valid_signal(data))
-                        break;
-
-                if (request == PTRACE_SYSCALL)
-                        set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                else
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
-                child->exit_code = data;
-                pr_debug("wakeup_process\n");
-                wake_up_process(child);
-                rval = 0;
-                break;
-
-        /*
-         * make the child exit.  Best I can do is send it a sigkill.
-         * perhaps it should be put in the status that it wants to
-         * exit.
-         */
-        case PTRACE_KILL:
-                pr_debug("PTRACE_KILL\n");
-                rval = 0;
-                if (child->exit_state == EXIT_ZOMBIE)   /* already dead */
-                        break;
-                child->exit_code = SIGKILL;
-                wake_up_process(child);
-                break;
-
-        case PTRACE_DETACH: /* detach a process that was attached. */
-                pr_debug("PTRACE_DETACH\n");
-                rval = ptrace_detach(child, data);
-                break;
         default:
-                /* rval = ptrace_request(child, request, addr, data); noMMU */
-                rval = -EIO;
+                rval = ptrace_request(child, request, addr, data);
         }
         return rval;
 }
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 591ca0cd4c24..29e86923d1bf 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -812,9 +812,9 @@ config DMA_COHERENT
 
 config DMA_NONCOHERENT
         bool
-        select DMA_NEED_PCI_MAP_STATE
+        select NEED_DMA_MAP_STATE
 
-config DMA_NEED_PCI_MAP_STATE
+config NEED_DMA_MAP_STATE
         bool
 
 config SYS_HAS_EARLY_PRINTK
diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h
index f58aed354bfd..613f6912dfc1 100644
--- a/arch/mips/include/asm/compat.h
+++ b/arch/mips/include/asm/compat.h
@@ -8,7 +8,8 @@
 #include <asm/page.h>
 #include <asm/ptrace.h>
 
-#define COMPAT_USER_HZ  100
+#define COMPAT_USER_HZ          100
+#define COMPAT_UTS_MACHINE      "mips\0\0\0"
 
 typedef u32             compat_size_t;
 typedef s32             compat_ssize_t;
diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h
index 5ebf82572ec0..3beea1479b43 100644
--- a/arch/mips/include/asm/pci.h
+++ b/arch/mips/include/asm/pci.h
@@ -102,28 +102,6 @@ struct pci_dev;
  */
 extern unsigned int PCI_DMA_BUS_IS_PHYS;
 
-#ifdef CONFIG_DMA_NEED_PCI_MAP_STATE
-
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)          ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)            ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)   (((PTR)->LEN_NAME) = (VAL))
-
-#else /* CONFIG_DMA_NEED_PCI_MAP_STATE  */
-
-/* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)          (0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME)            (0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)   do { } while (0)
-
-#endif /* CONFIG_DMA_NEED_PCI_MAP_STATE  */
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
                                         enum pci_dma_burst_strategy *strat,
diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index 65c679ecbe6b..1b5a6648eb86 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -1004,6 +1004,7 @@
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_UTIME
@@ -1013,6 +1014,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index bde79ef602e6..a39d0597a375 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -249,22 +249,6 @@ SYSCALL_DEFINE5(n32_msgrcv, int, msqid, u32, msgp, size_t, msgsz,
 }
 #endif
 
-SYSCALL_DEFINE1(32_newuname, struct new_utsname __user *, name)
-{
-        int ret = 0;
-
-        down_read(&uts_sem);
-        if (copy_to_user(name, utsname(), sizeof *name))
-                ret = -EFAULT;
-        up_read(&uts_sem);
-
-        if (current->personality == PER_LINUX32 && !ret)
-                if (copy_to_user(name->machine, "mips\0\0\0", 8))
-                        ret = -EFAULT;
-
-        return ret;
-}
-
 SYSCALL_DEFINE1(32_personality, unsigned long, personality)
 {
         int ret;
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 054861ccb4dd..c51b95ff8644 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -493,36 +493,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 ret = ptrace_setfpregs(child, (__u32 __user *) data);
                 break;
 
-        case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
-        case PTRACE_CONT: { /* restart after signal. */
-                ret = -EIO;
-                if (!valid_signal(data))
-                        break;
-                if (request == PTRACE_SYSCALL) {
-                        set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                }
-                else {
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                }
-                child->exit_code = data;
-                wake_up_process(child);
-                ret = 0;
-                break;
-        }
-
-        /*
-         * make the child exit.  Best I can do is send it a sigkill.
-         * perhaps it should be put in the status that it wants to
-         * exit.
-         */
-        case PTRACE_KILL:
-                ret = 0;
-                if (child->exit_state == EXIT_ZOMBIE)   /* already dead */
-                        break;
-                child->exit_code = SIGKILL;
-                wake_up_process(child);
-                break;
-
         case PTRACE_GET_THREAD_AREA:
                 ret = put_user(task_thread_info(child)->tp_value,
                                 (unsigned long __user *) data);
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 66b5a48676dd..44337ba03717 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -181,7 +181,7 @@ EXPORT(sysn32_call_table)
         PTR     sys_exit
         PTR     compat_sys_wait4
         PTR     sys_kill                        /* 6060 */
-        PTR     sys_32_newuname
+        PTR     sys_newuname
         PTR     sys_semget
         PTR     sys_semop
         PTR     sys_n32_semctl
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 515f9eab2b28..813689ef2384 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -325,7 +325,7 @@ sys_call_table:
         PTR     sys32_sigreturn
         PTR     sys32_clone                     /* 4120 */
         PTR     sys_setdomainname
-        PTR     sys_32_newuname
+        PTR     sys_newuname
         PTR     sys_ni_syscall                  /* sys_modify_ldt */
         PTR     compat_sys_adjtimex
         PTR     sys_mprotect                    /* 4125 */
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 3f7f466190b4..e96b1c30c7aa 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -215,48 +215,6 @@ out:
         return error;
 }
 
-/*
- * Compacrapability ...
- */
-SYSCALL_DEFINE1(uname, struct old_utsname __user *, name)
-{
-        if (name && !copy_to_user(name, utsname(), sizeof (*name)))
-                return 0;
-        return -EFAULT;
-}
-
-/*
- * Compacrapability ...
- */
-SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name)
-{
-        int error;
-
-        if (!name)
-                return -EFAULT;
-        if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
-                return -EFAULT;
-
-        error = __copy_to_user(&name->sysname, &utsname()->sysname,
-                               __OLD_UTS_LEN);
-        error -= __put_user(0, name->sysname + __OLD_UTS_LEN);
-        error -= __copy_to_user(&name->nodename, &utsname()->nodename,
-                                __OLD_UTS_LEN);
-        error -= __put_user(0, name->nodename + __OLD_UTS_LEN);
-        error -= __copy_to_user(&name->release, &utsname()->release,
-                                __OLD_UTS_LEN);
-        error -= __put_user(0, name->release + __OLD_UTS_LEN);
-        error -= __copy_to_user(&name->version, &utsname()->version,
-                                __OLD_UTS_LEN);
-        error -= __put_user(0, name->version + __OLD_UTS_LEN);
-        error -= __copy_to_user(&name->machine, &utsname()->machine,
-                                __OLD_UTS_LEN);
-        error = __put_user(0, name->machine + __OLD_UTS_LEN);
-        error = error ? -EFAULT : 0;
-
-        return error;
-}
-
 SYSCALL_DEFINE1(set_thread_area, unsigned long, addr)
 {
         struct thread_info *ti = task_thread_info(current);
@@ -407,94 +365,6 @@ _sys_sysmips(nabi_no_regargs struct pt_regs regs)
 }
 
 /*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, int, second,
-        unsigned long, third, void __user *, ptr, long, fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        switch (call) {
-        case SEMOP:
-                return sys_semtimedop(first, (struct sembuf __user *)ptr,
-                                      second, NULL);
-        case SEMTIMEDOP:
-                return sys_semtimedop(first, (struct sembuf __user *)ptr,
-                                      second,
-                                      (const struct timespec __user *)fifth);
-        case SEMGET:
-                return sys_semget(first, second, third);
-        case SEMCTL: {
-                union semun fourth;
-                if (!ptr)
-                        return -EINVAL;
-                if (get_user(fourth.__pad, (void __user *__user *) ptr))
-                        return -EFAULT;
-                return sys_semctl(first, second, third, fourth);
-        }
-
-        case MSGSND:
-                return sys_msgsnd(first, (struct msgbuf __user *) ptr,
-                                  second, third);
-        case MSGRCV:
-                switch (version) {
-                case 0: {
-                        struct ipc_kludge tmp;
-                        if (!ptr)
-                                return -EINVAL;
-
-                        if (copy_from_user(&tmp,
-                                           (struct ipc_kludge __user *) ptr,
-                                           sizeof(tmp)))
-                                return -EFAULT;
-                        return sys_msgrcv(first, tmp.msgp, second,
-                                          tmp.msgtyp, third);
-                }
-                default:
-                        return sys_msgrcv(first,
-                                          (struct msgbuf __user *) ptr,
-                                          second, fifth, third);
-                }
-        case MSGGET:
-                return sys_msgget((key_t) first, second);
-        case MSGCTL:
-                return sys_msgctl(first, second,
-                                  (struct msqid_ds __user *) ptr);
-
-        case SHMAT:
-                switch (version) {
-                default: {
-                        unsigned long raddr;
-                        ret = do_shmat(first, (char __user *) ptr, second,
-                                       &raddr);
-                        if (ret)
-                                return ret;
-                        return put_user(raddr, (unsigned long __user *) third);
-                }
-                case 1: /* iBCS2 emulator entry point */
-                        if (!segment_eq(get_fs(), get_ds()))
-                                return -EINVAL;
-                        return do_shmat(first, (char __user *) ptr, second,
-                                        (unsigned long *) third);
-                }
-        case SHMDT:
-                return sys_shmdt((char __user *)ptr);
-        case SHMGET:
-                return sys_shmget(first, second, third);
-        case SHMCTL:
-                return sys_shmctl(first, second,
-                                  (struct shmid_ds __user *) ptr);
-        default:
-                return -ENOSYS;
-        }
-}
-
-/*
  * No implemented yet ...
  */
 SYSCALL_DEFINE3(cachectl, char *, addr, int, nbytes, int, op)
diff --git a/arch/mips/txx9/generic/7segled.c b/arch/mips/txx9/generic/7segled.c
index 727ab21b6618..7f8416f86222 100644
--- a/arch/mips/txx9/generic/7segled.c
+++ b/arch/mips/txx9/generic/7segled.c
@@ -58,13 +58,16 @@ static ssize_t raw_store(struct sys_device *dev,
 static SYSDEV_ATTR(ascii, 0200, NULL, ascii_store);
 static SYSDEV_ATTR(raw, 0200, NULL, raw_store);
 
-static ssize_t map_seg7_show(struct sysdev_class *class, char *buf)
+static ssize_t map_seg7_show(struct sysdev_class *class,
+                             struct sysdev_class_attribute *attr,
+                             char *buf)
 {
         memcpy(buf, &txx9_seg7map, sizeof(txx9_seg7map));
         return sizeof(txx9_seg7map);
 }
 
 static ssize_t map_seg7_store(struct sysdev_class *class,
+                              struct sysdev_class_attribute *attr,
                               const char *buf, size_t size)
 {
         if (size != sizeof(txx9_seg7map))
diff --git a/arch/mn10300/include/asm/dma-mapping.h b/arch/mn10300/include/asm/dma-mapping.h
index ccae8f6c6326..4ed1522b38d2 100644
--- a/arch/mn10300/include/asm/dma-mapping.h
+++ b/arch/mn10300/include/asm/dma-mapping.h
@@ -17,6 +17,11 @@
 #include <asm/cache.h>
 #include <asm/io.h>
 
+/*
+ * See Documentation/DMA-API.txt for the description of how the
+ * following DMA API should work.
+ */
+
 extern void *dma_alloc_coherent(struct device *dev, size_t size,
                                 dma_addr_t *dma_handle, int flag);
 
@@ -26,13 +31,6 @@ extern void dma_free_coherent(struct device *dev, size_t size,
 #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))
 
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.  The
- * 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory until
- * either pci_unmap_single or pci_dma_sync_single is performed.
- */
 static inline
 dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
                           enum dma_data_direction direction)
@@ -42,14 +40,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
         return virt_to_bus(ptr);
 }
 
-/*
- * Unmap a single streaming mode DMA translation.  The dma_addr and size must
- * match what was provided for in a previous pci_map_single call.  All other
- * usages are undefined.
- *
- * After this call, reads by the cpu to the buffer are guarenteed to see
- * whatever the device wrote there.
- */
 static inline
 void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
                       enum dma_data_direction direction)
@@ -57,20 +47,6 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
         BUG_ON(direction == DMA_NONE);
 }
 
-/*
- * Map a set of buffers described by scatterlist in streaming mode for DMA.
- * This is the scather-gather version of the above pci_map_single interface.
- * Here the scatter gather list elements are each tagged with the appropriate
- * dma address and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of DMA
- *       address/length pairs than there are SG table elements.  (for example
- *       via virtual mapping capabilities) The routine returns the number of
- *       addr/length pairs actually used, at most nents.
- *
- * Device ownership issues as mentioned above for pci_map_single are the same
- * here.
- */
 static inline
 int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
                enum dma_data_direction direction)
@@ -91,11 +67,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
         return nents;
 }
 
-/*
- * Unmap a set of streaming mode DMA translations.
- * Again, cpu read rules concerning calls here are the same as for
- * pci_unmap_single() above.
- */
 static inline
 void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
                   enum dma_data_direction direction)
@@ -103,10 +74,6 @@ void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
         BUG_ON(!valid_dma_direction(direction));
 }
 
-/*
- * pci_{map,unmap}_single_page maps a kernel page to a dma_addr_t. identical
- * to pci_map_single, but takes a struct page instead of a virtual address
- */
 static inline
 dma_addr_t dma_map_page(struct device *dev, struct page *page,
                         unsigned long offset, size_t size,
@@ -123,15 +90,6 @@ void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
         BUG_ON(direction == DMA_NONE);
 }
 
-/*
- * Make physical memory consistent for a single streaming mode DMA translation
- * after a transfer.
- *
- * If you perform a pci_map_single() but wish to interrogate the buffer using
- * the cpu, yet do not wish to teardown the PCI dma mapping, you must call this
- * function before doing so.  At the next point you give the PCI dma address
- * back to the card, the device again owns the buffer.
- */
 static inline
 void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
                              size_t size, enum dma_data_direction direction)
@@ -161,13 +119,6 @@ dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
 }
 
 
-/*
- * Make physical memory consistent for a set of streaming mode DMA translations
- * after a transfer.
- *
- * The same as pci_dma_sync_single but for a scatter-gather list, same rules
- * and usage.
- */
 static inline
 void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
                          int nelems, enum dma_data_direction direction)
@@ -187,12 +138,6 @@ int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
         return 0;
 }
 
-/*
- * Return whether the given PCI device DMA address mask can be supported
- * properly.  For example, if your device can only drive the low 24-bits during
- * PCI bus mastering, then you would pass 0x00ffffff as the mask to this
- * function.
- */
 static inline
 int dma_supported(struct device *dev, u64 mask)
 {
diff --git a/arch/mn10300/include/asm/ptrace.h b/arch/mn10300/include/asm/ptrace.h
index 1b0ba5e182b0..7c2e911052b6 100644
--- a/arch/mn10300/include/asm/ptrace.h
+++ b/arch/mn10300/include/asm/ptrace.h
@@ -99,8 +99,6 @@ struct task_struct;
 extern void show_regs(struct pt_regs *);
 
 #define arch_has_single_step()  (1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
 
 #endif  /*  !__ASSEMBLY  */
 
diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h
index c05acb95c2a9..9d056f515929 100644
--- a/arch/mn10300/include/asm/unistd.h
+++ b/arch/mn10300/include/asm/unistd.h
@@ -363,6 +363,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -375,6 +376,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_SELECT
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index 88e3e1c3cc21..d9ed5a15c547 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -468,7 +468,7 @@ ENTRY(sys_call_table)
         .long sys_settimeofday
         .long sys_getgroups16   /* 80 */
         .long sys_setgroups16
-        .long old_select
+        .long sys_old_select
         .long sys_symlink
         .long sys_lstat
         .long sys_readlink      /* 85 */
diff --git a/arch/mn10300/kernel/sys_mn10300.c b/arch/mn10300/kernel/sys_mn10300.c
index 17cc6ce04e84..815f1355fad4 100644
--- a/arch/mn10300/kernel/sys_mn10300.c
+++ b/arch/mn10300/kernel/sys_mn10300.c
@@ -31,109 +31,3 @@ asmlinkage long old_mmap(unsigned long addr, unsigned long len,
                 return -EINVAL;
         return sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
 }
-
-struct sel_arg_struct {
-        unsigned long n;
-        fd_set *inp;
-        fd_set *outp;
-        fd_set *exp;
-        struct timeval *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct __user *arg)
-{
-        struct sel_arg_struct a;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                return -EFAULT;
-        /* sys_select() does the appropriate kernel locking */
-        return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage long sys_ipc(uint call, int first, int second,
-                        int third, void __user *ptr, long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        switch (call) {
-        case SEMOP:
-                return sys_semtimedop(first, (struct sembuf __user *)ptr,
-                                      second, NULL);
-        case SEMTIMEDOP:
-                return sys_semtimedop(first, (struct sembuf __user *)ptr,
-                                      second,
-                                      (const struct timespec __user *)fifth);
-        case SEMGET:
-                return sys_semget(first, second, third);
-        case SEMCTL: {
-                union semun fourth;
-                if (!ptr)
-                        return -EINVAL;
-                if (get_user(fourth.__pad, (void __user * __user *) ptr))
-                        return -EFAULT;
-                return sys_semctl(first, second, third, fourth);
-        }
-
-        case MSGSND:
-                return sys_msgsnd(first, (struct msgbuf __user *) ptr,
-                                  second, third);
-        case MSGRCV:
-                switch (version) {
-                case 0: {
-                        struct ipc_kludge tmp;
-                        if (!ptr)
-                                return -EINVAL;
-
-                        if (copy_from_user(&tmp,
-                                           (struct ipc_kludge __user *) ptr,
-                                           sizeof(tmp)))
-                                return -EFAULT;
-                        return sys_msgrcv(first, tmp.msgp, second,
-                                          tmp.msgtyp, third);
-                }
-                default:
-                        return sys_msgrcv(first,
-                                          (struct msgbuf __user *) ptr,
-                                           second, fifth, third);
-                }
-        case MSGGET:
-                return sys_msgget((key_t) first, second);
-        case MSGCTL:
-                return sys_msgctl(first, second,
-                                   (struct msqid_ds __user *) ptr);
-
-        case SHMAT:
-                switch (version) {
-                default: {
-                        ulong raddr;
-                        ret = do_shmat(first, (char __user *) ptr, second,
-                                       &raddr);
-                        if (ret)
-                                return ret;
-                        return put_user(raddr, (ulong *) third);
-                }
-                case 1: /* iBCS2 emulator entry point */
-                        if (!segment_eq(get_fs(), get_ds()))
-                                return -EINVAL;
-                        return do_shmat(first, (char __user *) ptr, second,
-                                        (ulong *) third);
-                }
-        case SHMDT:
-                return sys_shmdt((char __user *)ptr);
-        case SHMGET:
-                return sys_shmget(first, second, third);
-        case SHMCTL:
-                return sys_shmctl(first, second,
-                                  (struct shmid_ds __user *) ptr);
-        default:
-                return -EINVAL;
-        }
-}
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index f388dc68f605..9c4da3d63bfb 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -95,6 +95,9 @@ config PM
 config STACKTRACE_SUPPORT
         def_bool y
 
+config NEED_DMA_MAP_STATE
+        def_bool y
+
 config ISA_DMA_API
         bool
 
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index 7f32611a7a5e..02b77baa5da6 100644
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -7,7 +7,8 @@
 #include <linux/sched.h>
 #include <linux/thread_info.h>
 
-#define COMPAT_USER_HZ 100
+#define COMPAT_USER_HZ          100
+#define COMPAT_UTS_MACHINE      "parisc\0\0"
 
 typedef u32     compat_size_t;
 typedef s32     compat_ssize_t;
diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h
index 64c7aa590ae5..2242a5c636c2 100644
--- a/arch/parisc/include/asm/pci.h
+++ b/arch/parisc/include/asm/pci.h
@@ -183,20 +183,6 @@ struct pci_bios_ops {
         void (*fixup_bus)(struct pci_bus *bus);
 };
 
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       \
-        dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         \
-        __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)                  \
-        ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)         \
-        (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)                    \
-        ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)           \
-        (((PTR)->LEN_NAME) = (VAL))
-
 /*
 ** Stuff declared in arch/parisc/kernel/pci.c
 */
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h
index aead40b16dd8..7f09533da771 100644
--- a/arch/parisc/include/asm/ptrace.h
+++ b/arch/parisc/include/asm/ptrace.h
@@ -47,13 +47,8 @@ struct pt_regs {
 
 #define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
 
-struct task_struct;
 #define arch_has_single_step()  1
-void user_disable_single_step(struct task_struct *task);
-void user_enable_single_step(struct task_struct *task);
-
 #define arch_has_block_step()   1
-void user_enable_block_step(struct task_struct *task);
 
 /* XXX should we use iaoq[1] or iaoq[0] ? */
 #define user_mode(regs)                 (((regs)->iaoq[0] & 3) ? 1 : 0)
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index 9147391afb03..c9b932260f47 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -234,18 +234,3 @@ long parisc_personality(unsigned long personality)
 
         return err;
 }
-
-long parisc_newuname(struct new_utsname __user *name)
-{
-        int err = sys_newuname(name);
-
-#ifdef CONFIG_COMPAT
-        if (!err && personality(current->personality) == PER_LINUX32) {
-                if (__put_user(0, name->machine + 6) ||
-                    __put_user(0, name->machine + 7))
-                        err = -EFAULT;
-        }
-#endif
-
-        return err;
-}
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index de5f6dab48b7..3d52c978738f 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -127,7 +127,7 @@
         ENTRY_SAME(socketpair)
         ENTRY_SAME(setpgid)
         ENTRY_SAME(send)
-        ENTRY_OURS(newuname)
+        ENTRY_SAME(newuname)
         ENTRY_SAME(umask)               /* 60 */
         ENTRY_SAME(chroot)
         ENTRY_COMP(ustat)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 155d571f5e26..8a54eb8e3768 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -672,6 +672,9 @@ config ZONE_DMA
         bool
         default y
 
+config NEED_DMA_MAP_STATE
+        def_bool (PPC64 || NOT_COHERENT_CACHE)
+
 config GENERIC_ISA_DMA
         bool
         depends on PPC64 || POWER4 || 6xx && !CPM2
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index 4774c2f92232..396d21a80058 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -7,7 +7,8 @@
 #include <linux/types.h>
 #include <linux/sched.h>
 
-#define COMPAT_USER_HZ  100
+#define COMPAT_USER_HZ          100
+#define COMPAT_UTS_MACHINE      "ppc\0\0"
 
 typedef u32             compat_size_t;
 typedef s32             compat_ssize_t;
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 80a973bb9e71..c85ef230135b 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -127,9 +127,6 @@ static inline int dma_supported(struct device *dev, u64 mask)
         return dma_ops->dma_supported(dev, mask);
 }
 
-/* We have our own implementation of pci_set_dma_mask() */
-#define HAVE_ARCH_PCI_SET_DMA_MASK
-
 static inline int dma_set_mask(struct device *dev, u64 dma_mask)
 {
         struct dma_map_ops *dma_ops = get_dma_ops(dev);
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h
index b5ea626eea2d..a20a9ad2258b 100644
--- a/arch/powerpc/include/asm/pci.h
+++ b/arch/powerpc/include/asm/pci.h
@@ -141,38 +141,6 @@ extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
 
 #define HAVE_PCI_LEGACY 1
 
-#if defined(CONFIG_PPC64) || defined(CONFIG_NOT_COHERENT_CACHE)
-/*
- * For 64-bit kernels, pci_unmap_{single,page} is not a nop.
- * For 32-bit non-coherent kernels, pci_dma_sync_single_for_cpu() and
- * so on are not nops.
- * and thus...
- */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       \
-        dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         \
-        __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)                  \
-        ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)         \
-        (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)                    \
-        ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)           \
-        (((PTR)->LEN_NAME) = (VAL))
-
-#else /* 32-bit && coherent */
-
-/* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)          (0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME)            (0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)   do { } while (0)
-
-#endif /* CONFIG_PPC64 || CONFIG_NOT_COHERENT_CACHE */
-
 #ifdef CONFIG_PPC64
 
 /* The PCI address space does not equal the physical memory address
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index b45108126562..9e2d84c06b74 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -137,15 +137,8 @@ do {									      \
 } while (0)
 #endif /* __powerpc64__ */
 
-/*
- * These are defined as per linux/ptrace.h, which see.
- */
 #define arch_has_single_step()  (1)
 #define arch_has_block_step()   (!cpu_has_feature(CPU_FTR_601))
-extern void user_enable_single_step(struct task_struct *);
-extern void user_enable_block_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
-
 #define ARCH_HAS_USER_SINGLE_STEP_INFO
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h
index eb8eb400c664..4084e567d28e 100644
--- a/arch/powerpc/include/asm/syscalls.h
+++ b/arch/powerpc/include/asm/syscalls.h
@@ -7,7 +7,6 @@
 #include <linux/types.h>
 #include <asm/signal.h>
 
-struct new_utsname;
 struct pt_regs;
 struct rtas_args;
 struct sigaction;
@@ -35,12 +34,9 @@ asmlinkage long sys_pipe2(int __user *fildes, int flags);
 asmlinkage long sys_rt_sigaction(int sig,
                 const struct sigaction __user *act,
                 struct sigaction __user *oact, size_t sigsetsize);
-asmlinkage int sys_ipc(uint call, int first, unsigned long second,
-                long third, void __user *ptr, long fifth);
 asmlinkage long ppc64_personality(unsigned long personality);
 asmlinkage int ppc_rtas(struct rtas_args __user *uargs);
 asmlinkage time_t sys64_time(time_t __user * tloc);
-asmlinkage long ppc_newuname(struct new_utsname __user * name);
 
 asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset,
                 size_t sigsetsize);
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 07d2d19ab5e9..a5ee345b6a5c 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -125,7 +125,7 @@ SYSCALL_SPU(fsync)
 SYS32ONLY(sigreturn)
 PPC_SYS(clone)
 COMPAT_SYS_SPU(setdomainname)
-PPC_SYS_SPU(newuname)
+SYSCALL_SPU(newuname)
 SYSCALL(ni_syscall)
 COMPAT_SYS_SPU(adjtimex)
 SYSCALL_SPU(mprotect)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index f6ca76176766..f0a10266e7f7 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -364,6 +364,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -376,6 +377,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/powerpc/kernel/cacheinfo.c b/arch/powerpc/kernel/cacheinfo.c
index bb37b1d19a58..01fe9ce28379 100644
--- a/arch/powerpc/kernel/cacheinfo.c
+++ b/arch/powerpc/kernel/cacheinfo.c
@@ -642,7 +642,7 @@ static struct kobj_attribute *cache_index_opt_attrs[] = {
         &cache_assoc_attr,
 };
 
-static struct sysfs_ops cache_index_ops = {
+static const struct sysfs_ops cache_index_ops = {
         .show = cache_index_show,
 };
 
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 2597f9545d8a..f3c42ce516e7 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -63,21 +63,6 @@ struct dma_map_ops *get_pci_dma_ops(void)
 }
 EXPORT_SYMBOL(get_pci_dma_ops);
 
-int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{
-        return dma_set_mask(&dev->dev, mask);
-}
-
-int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{
-        int rc;
-
-        rc = dma_set_mask(&dev->dev, mask);
-        dev->dev.coherent_dma_mask = dev->dma_mask;
-
-        return rc;
-}
-
 struct pci_controller *pcibios_alloc_controller(struct device_node *dev)
 {
         struct pci_controller *phb;
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
index 3370e62e43d4..f2496f2faecc 100644
--- a/arch/powerpc/kernel/syscalls.c
+++ b/arch/powerpc/kernel/syscalls.c
@@ -42,100 +42,6 @@
 #include <asm/time.h>
 #include <asm/unistd.h>
 
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-int sys_ipc(uint call, int first, unsigned long second, long third,
-            void __user *ptr, long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        ret = -ENOSYS;
-        switch (call) {
-        case SEMOP:
-                ret = sys_semtimedop(first, (struct sembuf __user *)ptr,
-                                      (unsigned)second, NULL);
-                break;
-        case SEMTIMEDOP:
-                ret = sys_semtimedop(first, (struct sembuf __user *)ptr,
-                                      (unsigned)second,
-                                      (const struct timespec __user *) fifth);
-                break;
-        case SEMGET:
-                ret = sys_semget (first, (int)second, third);
-                break;
-        case SEMCTL: {
-                union semun fourth;
-
-                ret = -EINVAL;
-                if (!ptr)
-                        break;
-                if ((ret = get_user(fourth.__pad, (void __user * __user *)ptr)))
-                        break;
-                ret = sys_semctl(first, (int)second, third, fourth);
-                break;
-        }
-        case MSGSND:
-                ret = sys_msgsnd(first, (struct msgbuf __user *)ptr,
-                                 (size_t)second, third);
-                break;
-        case MSGRCV:
-                switch (version) {
-                case 0: {
-                        struct ipc_kludge tmp;
-
-                        ret = -EINVAL;
-                        if (!ptr)
-                                break;
-                        if ((ret = copy_from_user(&tmp,
-                                                (struct ipc_kludge __user *) ptr,
-                                                sizeof (tmp)) ? -EFAULT : 0))
-                                break;
-                        ret = sys_msgrcv(first, tmp.msgp, (size_t) second,
-                                          tmp.msgtyp, third);
-                        break;
-                }
-                default:
-                        ret = sys_msgrcv (first, (struct msgbuf __user *) ptr,
-                                          (size_t)second, fifth, third);
-                        break;
-                }
-                break;
-        case MSGGET:
-                ret = sys_msgget((key_t)first, (int)second);
-                break;
-        case MSGCTL:
-                ret = sys_msgctl(first, (int)second,
-                                  (struct msqid_ds __user *)ptr);
-                break;
-        case SHMAT: {
-                ulong raddr;
-                ret = do_shmat(first, (char __user *)ptr, (int)second, &raddr);
-                if (ret)
-                        break;
-                ret = put_user(raddr, (ulong __user *) third);
-                break;
-        }
-        case SHMDT:
-                ret = sys_shmdt((char __user *)ptr);
-                break;
-        case SHMGET:
-                ret = sys_shmget(first, (size_t)second, third);
-                break;
-        case SHMCTL:
-                ret = sys_shmctl(first, (int)second,
-                                 (struct shmid_ds __user *)ptr);
-                break;
-        }
-
-        return ret;
-}
-
 static inline unsigned long do_mmap2(unsigned long addr, size_t len,
                         unsigned long prot, unsigned long flags,
                         unsigned long fd, unsigned long off, int shift)
@@ -210,76 +116,6 @@ long ppc64_personality(unsigned long personality)
 }
 #endif
 
-#ifdef CONFIG_PPC64
-#define OVERRIDE_MACHINE    (personality(current->personality) == PER_LINUX32)
-#else
-#define OVERRIDE_MACHINE    0
-#endif
-
-static inline int override_machine(char __user *mach)
-{
-        if (OVERRIDE_MACHINE) {
-                /* change ppc64 to ppc */
-                if (__put_user(0, mach+3) || __put_user(0, mach+4))
-                        return -EFAULT;
-        }
-        return 0;
-}
-
-long ppc_newuname(struct new_utsname __user * name)
-{
-        int err = 0;
-
-        down_read(&uts_sem);
-        if (copy_to_user(name, utsname(), sizeof(*name)))
-                err = -EFAULT;
-        up_read(&uts_sem);
-        if (!err)
-                err = override_machine(name->machine);
-        return err;
-}
-
-int sys_uname(struct old_utsname __user *name)
-{
-        int err = 0;
-        
-        down_read(&uts_sem);
-        if (copy_to_user(name, utsname(), sizeof(*name)))
-                err = -EFAULT;
-        up_read(&uts_sem);
-        if (!err)
-                err = override_machine(name->machine);
-        return err;
-}
-
-int sys_olduname(struct oldold_utsname __user *name)
-{
-        int error;
-
-        if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
-                return -EFAULT;
-  
-        down_read(&uts_sem);
-        error = __copy_to_user(&name->sysname, &utsname()->sysname,
-                               __OLD_UTS_LEN);
-        error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
-        error |= __copy_to_user(&name->nodename, &utsname()->nodename,
-                                __OLD_UTS_LEN);
-        error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
-        error |= __copy_to_user(&name->release, &utsname()->release,
-                                __OLD_UTS_LEN);
-        error |= __put_user(0, name->release + __OLD_UTS_LEN);
-        error |= __copy_to_user(&name->version, &utsname()->version,
-                                __OLD_UTS_LEN);
-        error |= __put_user(0, name->version + __OLD_UTS_LEN);
-        error |= __copy_to_user(&name->machine, &utsname()->machine,
-                                __OLD_UTS_LEN);
-        error |= override_machine(name->machine);
-        up_read(&uts_sem);
-
-        return error? -EFAULT: 0;
-}
-
 long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
                       u32 len_high, u32 len_low)
 {
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index 6f8ebe1085b3..072b948b2e2d 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -553,7 +553,7 @@ static ssize_t mpc52xx_wdt_write(struct file *file, const char __user *data,
         return 0;
 }
 
-static struct watchdog_info mpc5200_wdt_info = {
+static const struct watchdog_info mpc5200_wdt_info = {
         .options        = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
         .identity       = WDT_IDENTITY,
 };
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 01a08020bc0e..104f2007f097 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -35,7 +35,8 @@
 
 extern long psw32_user_bits;
 
-#define COMPAT_USER_HZ  100
+#define COMPAT_USER_HZ          100
+#define COMPAT_UTS_MACHINE      "s390\0\0\0\0"
 
 typedef u32             compat_size_t;
 typedef s32             compat_ssize_t;
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index dd2d913afcae..fef9b33cdd59 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -489,9 +489,6 @@ struct user_regs_struct
  * These are defined as per linux/ptrace.h, which see.
  */
 #define arch_has_single_step()  (1)
-struct task_struct;
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
 extern void show_regs(struct pt_regs * regs);
 
 #define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0)
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index c666bfe5e984..9b04b1102bbc 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -321,11 +321,6 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int,
 #define QDIO_ERROR_ACTIVATE_CHECK_CONDITION     0x40
 #define QDIO_ERROR_SLSB_STATE                   0x80
 
-/* for qdio_initialize */
-#define QDIO_INBOUND_0COPY_SBALS                0x01
-#define QDIO_OUTBOUND_0COPY_SBALS               0x02
-#define QDIO_USE_OUTBOUND_PCIS                  0x04
-
 /* for qdio_cleanup */
 #define QDIO_FLAG_CLEANUP_USING_CLEAR           0x01
 #define QDIO_FLAG_CLEANUP_USING_HALT            0x02
@@ -344,7 +339,6 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int,
  * @input_handler: handler to be called for input queues
  * @output_handler: handler to be called for output queues
  * @int_parm: interruption parameter
- * @flags: initialization flags
  * @input_sbal_addr_array:  address of no_input_qs * 128 pointers
  * @output_sbal_addr_array: address of no_output_qs * 128 pointers
  */
@@ -361,7 +355,6 @@ struct qdio_initialize {
         qdio_handler_t *input_handler;
         qdio_handler_t *output_handler;
         unsigned long int_parm;
-        unsigned long flags;
         void **input_sbal_addr_array;
         void **output_sbal_addr_array;
 };
diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index 6e9f049fa823..5f0075150a65 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -392,6 +392,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_MMAP
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 30de2d0e52bb..672ce52341b4 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -547,7 +547,7 @@ sys32_setdomainname_wrapper:
         .globl  sys32_newuname_wrapper
 sys32_newuname_wrapper:
         llgtr   %r2,%r2                 # struct new_utsname *
-        jg      sys_s390_newuname       # branch to system call
+        jg      sys_newuname            # branch to system call
 
         .globl  compat_sys_adjtimex_wrapper
 compat_sys_adjtimex_wrapper:
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h
index e1e5e767ab56..eb15c12ec158 100644
--- a/arch/s390/kernel/entry.h
+++ b/arch/s390/kernel/entry.h
@@ -24,17 +24,13 @@ int __cpuinit start_secondary(void *cpuvoid);
 void __init startup_init(void);
 void die(const char * str, struct pt_regs * regs, long err);
 
-struct new_utsname;
-struct mmap_arg_struct;
+struct s390_mmap_arg_struct;
 struct fadvise64_64_args;
 struct old_sigaction;
-struct sel_arg_struct;
 
-long sys_mmap2(struct mmap_arg_struct __user  *arg);
-long sys_s390_old_mmap(struct mmap_arg_struct __user *arg);
-long sys_ipc(uint call, int first, unsigned long second,
+long sys_mmap2(struct s390_mmap_arg_struct __user  *arg);
+long sys_s390_ipc(uint call, int first, unsigned long second,
              unsigned long third, void __user *ptr);
-long sys_s390_newuname(struct new_utsname __user *name);
 long sys_s390_personality(unsigned long personality);
 long sys_s390_fadvise64(int fd, u32 offset_high, u32 offset_low,
                     size_t len, int advice);
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 8b10127c00ad..29f65bce55e1 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -1020,7 +1020,9 @@ out:
         return rc;
 }
 
-static ssize_t __ref rescan_store(struct sysdev_class *class, const char *buf,
+static ssize_t __ref rescan_store(struct sysdev_class *class,
+                                  struct sysdev_class_attribute *attr,
+                                  const char *buf,
                                   size_t count)
 {
         int rc;
@@ -1031,7 +1033,9 @@ static ssize_t __ref rescan_store(struct sysdev_class *class, const char *buf,
 static SYSDEV_CLASS_ATTR(rescan, 0200, NULL, rescan_store);
 #endif /* CONFIG_HOTPLUG_CPU */
 
-static ssize_t dispatching_show(struct sysdev_class *class, char *buf)
+static ssize_t dispatching_show(struct sysdev_class *class,
+                                struct sysdev_class_attribute *attr,
+                                char *buf)
 {
         ssize_t count;
 
@@ -1041,7 +1045,9 @@ static ssize_t dispatching_show(struct sysdev_class *class, char *buf)
         return count;
 }
 
-static ssize_t dispatching_store(struct sysdev_class *dev, const char *buf,
+static ssize_t dispatching_store(struct sysdev_class *dev,
+                                 struct sysdev_class_attribute *attr,
+                                 const char *buf,
                                  size_t count)
 {
         int val, rc;
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index 86a74c9c9e63..7b6b0f81a283 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -33,13 +33,12 @@
 #include "entry.h"
 
 /*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux for S/390 isn't able to handle more than 5
- * system call parameters, so these system calls used a memory
- * block for parameter passing..
+ * Perform the mmap() system call. Linux for S/390 isn't able to handle more
+ * than 5 system call parameters, so this system call uses a memory block
+ * for parameter passing.
  */
 
-struct mmap_arg_struct {
+struct s390_mmap_arg_struct {
         unsigned long addr;
         unsigned long len;
         unsigned long prot;
@@ -48,9 +47,9 @@ struct mmap_arg_struct {
         unsigned long offset;
 };
 
-SYSCALL_DEFINE1(mmap2, struct mmap_arg_struct __user *, arg)
+SYSCALL_DEFINE1(mmap2, struct s390_mmap_arg_struct __user *, arg)
 {
-        struct mmap_arg_struct a;
+        struct s390_mmap_arg_struct a;
         int error = -EFAULT;
 
         if (copy_from_user(&a, arg, sizeof(a)))
@@ -60,29 +59,12 @@ out:
         return error;
 }
 
-SYSCALL_DEFINE1(s390_old_mmap, struct mmap_arg_struct __user *, arg)
-{
-        struct mmap_arg_struct a;
-        long error = -EFAULT;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                goto out;
-
-        error = -EINVAL;
-        if (a.offset & ~PAGE_MASK)
-                goto out;
-
-        error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
-out:
-        return error;
-}
-
 /*
  * sys_ipc() is the de-multiplexer for the SysV IPC calls..
  *
  * This is really horribly ugly.
  */
-SYSCALL_DEFINE5(ipc, uint, call, int, first, unsigned long, second,
+SYSCALL_DEFINE5(s390_ipc, uint, call, int, first, unsigned long, second,
                 unsigned long, third, void __user *, ptr)
 {
         struct ipc_kludge tmp;
@@ -149,17 +131,6 @@ SYSCALL_DEFINE5(ipc, uint, call, int, first, unsigned long, second,
 }
 
 #ifdef CONFIG_64BIT
-SYSCALL_DEFINE1(s390_newuname, struct new_utsname __user *, name)
-{
-        int ret = sys_newuname(name);
-
-        if (personality(current->personality) == PER_LINUX32 && !ret) {
-                ret = copy_to_user(name->machine, "s390\0\0\0\0", 8);
-                if (ret) ret = -EFAULT;
-        }
-        return ret;
-}
-
 SYSCALL_DEFINE1(s390_personality, unsigned long, personality)
 {
         int ret;
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 30eca070d426..201ce6bed34e 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -98,7 +98,7 @@ SYSCALL(sys_uselib,sys_uselib,sys32_uselib_wrapper)
 SYSCALL(sys_swapon,sys_swapon,sys32_swapon_wrapper)
 SYSCALL(sys_reboot,sys_reboot,sys32_reboot_wrapper)
 SYSCALL(sys_ni_syscall,sys_ni_syscall,old32_readdir_wrapper)    /* old readdir syscall */
-SYSCALL(sys_s390_old_mmap,sys_s390_old_mmap,old32_mmap_wrapper) /* 90 */
+SYSCALL(sys_old_mmap,sys_old_mmap,old32_mmap_wrapper)           /* 90 */
 SYSCALL(sys_munmap,sys_munmap,sys32_munmap_wrapper)
 SYSCALL(sys_truncate,sys_truncate,sys32_truncate_wrapper)
 SYSCALL(sys_ftruncate,sys_ftruncate,sys32_ftruncate_wrapper)
@@ -125,12 +125,12 @@ NI_SYSCALL							/* vm86old for i386 */
 SYSCALL(sys_wait4,sys_wait4,compat_sys_wait4_wrapper)
 SYSCALL(sys_swapoff,sys_swapoff,sys32_swapoff_wrapper)          /* 115 */
 SYSCALL(sys_sysinfo,sys_sysinfo,compat_sys_sysinfo_wrapper)
-SYSCALL(sys_ipc,sys_ipc,sys32_ipc_wrapper)
+SYSCALL(sys_s390_ipc,sys_s390_ipc,sys32_ipc_wrapper)
 SYSCALL(sys_fsync,sys_fsync,sys32_fsync_wrapper)
 SYSCALL(sys_sigreturn,sys_sigreturn,sys32_sigreturn)
 SYSCALL(sys_clone,sys_clone,sys_clone_wrapper)                  /* 120 */
 SYSCALL(sys_setdomainname,sys_setdomainname,sys32_setdomainname_wrapper)
-SYSCALL(sys_newuname,sys_s390_newuname,sys32_newuname_wrapper)
+SYSCALL(sys_newuname,sys_newuname,sys32_newuname_wrapper)
 NI_SYSCALL                                                      /* modify_ldt for i386 */
 SYSCALL(sys_adjtimex,sys_adjtimex,compat_sys_adjtimex_wrapper)
 SYSCALL(sys_mprotect,sys_mprotect,sys32_mprotect_wrapper)       /* 125 */
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index a8f93f1705ad..aa2483e460f3 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -73,15 +73,15 @@ unsigned long long monotonic_clock(void)
 }
 EXPORT_SYMBOL(monotonic_clock);
 
-void tod_to_timeval(__u64 todval, struct timespec *xtime)
+void tod_to_timeval(__u64 todval, struct timespec *xt)
 {
         unsigned long long sec;
 
         sec = todval >> 12;
         do_div(sec, 1000000);
-        xtime->tv_sec = sec;
+        xt->tv_sec = sec;
         todval -= (sec * 1000000) << 12;
-        xtime->tv_nsec = ((todval * 1000) >> 12);
+        xt->tv_nsec = ((todval * 1000) >> 12);
 }
 EXPORT_SYMBOL(tod_to_timeval);
 
@@ -216,8 +216,8 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
         ++vdso_data->tb_update_count;
         smp_wmb();
         vdso_data->xtime_tod_stamp = clock->cycle_last;
-        vdso_data->xtime_clock_sec = xtime.tv_sec;
-        vdso_data->xtime_clock_nsec = xtime.tv_nsec;
+        vdso_data->xtime_clock_sec = wall_time->tv_sec;
+        vdso_data->xtime_clock_nsec = wall_time->tv_nsec;
         vdso_data->wtom_clock_sec = wall_to_monotonic.tv_sec;
         vdso_data->wtom_clock_nsec = wall_to_monotonic.tv_nsec;
         smp_wmb();
@@ -1116,14 +1116,18 @@ static struct sys_device etr_port1_dev = {
 /*
  * ETR class attributes
  */
-static ssize_t etr_stepping_port_show(struct sysdev_class *class, char *buf)
+static ssize_t etr_stepping_port_show(struct sysdev_class *class,
+                                        struct sysdev_class_attribute *attr,
+                                        char *buf)
 {
         return sprintf(buf, "%i\n", etr_port0.esw.p);
 }
 
 static SYSDEV_CLASS_ATTR(stepping_port, 0400, etr_stepping_port_show, NULL);
 
-static ssize_t etr_stepping_mode_show(struct sysdev_class *class, char *buf)
+static ssize_t etr_stepping_mode_show(struct sysdev_class *class,
+                                        struct sysdev_class_attribute *attr,
+                                        char *buf)
 {
         char *mode_str;
 
@@ -1584,7 +1588,9 @@ static struct sysdev_class stp_sysclass = {
         .name   = "stp",
 };
 
-static ssize_t stp_ctn_id_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_ctn_id_show(struct sysdev_class *class,
+                                struct sysdev_class_attribute *attr,
+                                char *buf)
 {
         if (!stp_online)
                 return -ENODATA;
@@ -1594,7 +1600,9 @@ static ssize_t stp_ctn_id_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(ctn_id, 0400, stp_ctn_id_show, NULL);
 
-static ssize_t stp_ctn_type_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_ctn_type_show(struct sysdev_class *class,
+                                struct sysdev_class_attribute *attr,
+                                char *buf)
 {
         if (!stp_online)
                 return -ENODATA;
@@ -1603,7 +1611,9 @@ static ssize_t stp_ctn_type_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(ctn_type, 0400, stp_ctn_type_show, NULL);
 
-static ssize_t stp_dst_offset_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_dst_offset_show(struct sysdev_class *class,
+                                   struct sysdev_class_attribute *attr,
+                                   char *buf)
 {
         if (!stp_online || !(stp_info.vbits & 0x2000))
                 return -ENODATA;
@@ -1612,7 +1622,9 @@ static ssize_t stp_dst_offset_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(dst_offset, 0400, stp_dst_offset_show, NULL);
 
-static ssize_t stp_leap_seconds_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_leap_seconds_show(struct sysdev_class *class,
+                                        struct sysdev_class_attribute *attr,
+                                        char *buf)
 {
         if (!stp_online || !(stp_info.vbits & 0x8000))
                 return -ENODATA;
@@ -1621,7 +1633,9 @@ static ssize_t stp_leap_seconds_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(leap_seconds, 0400, stp_leap_seconds_show, NULL);
 
-static ssize_t stp_stratum_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_stratum_show(struct sysdev_class *class,
+                                struct sysdev_class_attribute *attr,
+                                char *buf)
 {
         if (!stp_online)
                 return -ENODATA;
@@ -1630,7 +1644,9 @@ static ssize_t stp_stratum_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(stratum, 0400, stp_stratum_show, NULL);
 
-static ssize_t stp_time_offset_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_time_offset_show(struct sysdev_class *class,
+                                struct sysdev_class_attribute *attr,
+                                char *buf)
 {
         if (!stp_online || !(stp_info.vbits & 0x0800))
                 return -ENODATA;
@@ -1639,7 +1655,9 @@ static ssize_t stp_time_offset_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(time_offset, 0400, stp_time_offset_show, NULL);
 
-static ssize_t stp_time_zone_offset_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_time_zone_offset_show(struct sysdev_class *class,
+                                struct sysdev_class_attribute *attr,
+                                char *buf)
 {
         if (!stp_online || !(stp_info.vbits & 0x4000))
                 return -ENODATA;
@@ -1649,7 +1667,9 @@ static ssize_t stp_time_zone_offset_show(struct sysdev_class *class, char *buf)
 static SYSDEV_CLASS_ATTR(time_zone_offset, 0400,
                          stp_time_zone_offset_show, NULL);
 
-static ssize_t stp_timing_mode_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_timing_mode_show(struct sysdev_class *class,
+                                struct sysdev_class_attribute *attr,
+                                char *buf)
 {
         if (!stp_online)
                 return -ENODATA;
@@ -1658,7 +1678,9 @@ static ssize_t stp_timing_mode_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(timing_mode, 0400, stp_timing_mode_show, NULL);
 
-static ssize_t stp_timing_state_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_timing_state_show(struct sysdev_class *class,
+                                struct sysdev_class_attribute *attr,
+                                char *buf)
 {
         if (!stp_online)
                 return -ENODATA;
@@ -1667,12 +1689,15 @@ static ssize_t stp_timing_state_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(timing_state, 0400, stp_timing_state_show, NULL);
 
-static ssize_t stp_online_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_online_show(struct sysdev_class *class,
+                                struct sysdev_class_attribute *attr,
+                                char *buf)
 {
         return sprintf(buf, "%i\n", stp_online);
 }
 
 static ssize_t stp_online_store(struct sysdev_class *class,
+                                struct sysdev_class_attribute *attr,
                                 const char *buf, size_t count)
 {
         unsigned int value;
diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile
index cd54a1c352af..761ab8b56afc 100644
--- a/arch/s390/lib/Makefile
+++ b/arch/s390/lib/Makefile
@@ -2,7 +2,8 @@
 # Makefile for s390-specific library files..
 #
 
-lib-y += delay.o string.o uaccess_std.o uaccess_pt.o usercopy.o
+lib-y += delay.o string.o uaccess_std.o uaccess_pt.o
+obj-y += usercopy.o
 obj-$(CONFIG_32BIT) += div64.o qrnnd.o ucmpdi2.o
 lib-$(CONFIG_64BIT) += uaccess_mvcos.o
 lib-$(CONFIG_SMP) += spinlock.o
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 76a3637b88e0..f16bd04e39e9 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -374,7 +374,7 @@ static struct ctl_table cmm_dir_table[] = {
 #ifdef CONFIG_CMM_IUCV
 #define SMSG_PREFIX "CMM"
 static void
-cmm_smsg_target(char *from, char *msg)
+cmm_smsg_target(const char *from, char *msg)
 {
         long nr, seconds;
 
diff --git a/arch/score/include/asm/ptrace.h b/arch/score/include/asm/ptrace.h
index d40e691f23e2..e89dc9b1ef49 100644
--- a/arch/score/include/asm/ptrace.h
+++ b/arch/score/include/asm/ptrace.h
@@ -90,8 +90,7 @@ extern int read_tsk_short(struct task_struct *, unsigned long,
                          unsigned short *);
 
 #define arch_has_single_step()  (1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_SCORE_PTRACE_H */
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 05cef5061293..8d90564c2bcf 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -183,6 +183,9 @@ config DMA_COHERENT
 config DMA_NONCOHERENT
         def_bool !DMA_COHERENT
 
+config NEED_DMA_MAP_STATE
+        def_bool DMA_NONCOHERENT
+
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"
diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h
index 1042f7f0a48b..8bd952fcf3ba 100644
--- a/arch/sh/include/asm/pci.h
+++ b/arch/sh/include/asm/pci.h
@@ -83,25 +83,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
  */
 #define PCI_DMA_BUS_IS_PHYS     (dma_ops->is_phys)
 
-/* pci_unmap_{single,page} being a nop depends upon the
- * configuration.
- */
-#ifdef CONFIG_DMA_NONCOHERENT
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)          ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)            ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)   (((PTR)->LEN_NAME) = (VAL))
-#else
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)          (0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME)            (0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)   do { } while (0)
-#endif
-
 #ifdef CONFIG_PCI
 /*
  * None of the SH PCI controllers support MWI, it is always treated as a
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index e11b14ea2c43..2168fde25611 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -123,8 +123,6 @@ extern void show_regs(struct pt_regs *);
 struct task_struct;
 
 #define arch_has_single_step()  (1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
 
 struct perf_event;
 struct perf_sample_data;
diff --git a/arch/sh/include/asm/syscalls.h b/arch/sh/include/asm/syscalls.h
index c1e2b8deb837..507725af2e54 100644
--- a/arch/sh/include/asm/syscalls.h
+++ b/arch/sh/include/asm/syscalls.h
@@ -3,17 +3,12 @@
 
 #ifdef __KERNEL__
 
-struct old_utsname;
-
 asmlinkage int old_mmap(unsigned long addr, unsigned long len,
                         unsigned long prot, unsigned long flags,
                         int fd, unsigned long off);
 asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
                           unsigned long prot, unsigned long flags,
                           unsigned long fd, unsigned long pgoff);
-asmlinkage int sys_ipc(uint call, int first, int second,
-                       int third, void __user *ptr, long fifth);
-asmlinkage int sys_uname(struct old_utsname __user *name);
 
 #ifdef CONFIG_SUPERH32
 # include "syscalls_32.h"
diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h
index 365744b05269..0e7f0fc8f086 100644
--- a/arch/sh/include/asm/unistd_32.h
+++ b/arch/sh/include/asm/unistd_32.h
@@ -358,6 +358,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -370,6 +371,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h
index 25de158aac3a..0580c33a1e04 100644
--- a/arch/sh/include/asm/unistd_64.h
+++ b/arch/sh/include/asm/unistd_64.h
@@ -398,6 +398,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -410,6 +411,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c
index fc065f9da6e5..14726eef1ce0 100644
--- a/arch/sh/kernel/cpu/sh4/sq.c
+++ b/arch/sh/kernel/cpu/sh4/sq.c
@@ -326,7 +326,7 @@ static struct attribute *sq_sysfs_attrs[] = {
         NULL,
 };
 
-static struct sysfs_ops sq_sysfs_ops = {
+static const struct sysfs_ops sq_sysfs_ops = {
         .show   = sq_sysfs_show,
         .store  = sq_sysfs_store,
 };
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 71399cde03b5..81f58371613d 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -53,110 +53,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
         return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
 }
 
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc(uint call, int first, int second,
-                       int third, void __user *ptr, long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        if (call <= SEMTIMEDOP)
-                switch (call) {
-                case SEMOP:
-                        return sys_semtimedop(first,
-                                              (struct sembuf __user *)ptr,
-                                              second, NULL);
-                case SEMTIMEDOP:
-                        return sys_semtimedop(first,
-                                (struct sembuf __user *)ptr, second,
-                                (const struct timespec __user *)fifth);
-                case SEMGET:
-                        return sys_semget (first, second, third);
-                case SEMCTL: {
-                        union semun fourth;
-                        if (!ptr)
-                                return -EINVAL;
-                        if (get_user(fourth.__pad, (void __user * __user *) ptr))
-                                return -EFAULT;
-                        return sys_semctl (first, second, third, fourth);
-                        }
-                default:
-                        return -EINVAL;
-                }
-
-        if (call <= MSGCTL)
-                switch (call) {
-                case MSGSND:
-                        return sys_msgsnd (first, (struct msgbuf __user *) ptr,
-                                          second, third);
-                case MSGRCV:
-                        switch (version) {
-                        case 0:
-                        {
-                                struct ipc_kludge tmp;
-
-                                if (!ptr)
-                                        return -EINVAL;
-
-                                if (copy_from_user(&tmp,
-                                        (struct ipc_kludge __user *) ptr,
-                                                   sizeof (tmp)))
-                                        return -EFAULT;
-
-                                return sys_msgrcv (first, tmp.msgp, second,
-                                                   tmp.msgtyp, third);
-                        }
-                        default:
-                                return sys_msgrcv (first,
-                                                   (struct msgbuf __user *) ptr,
-                                                   second, fifth, third);
-                        }
-                case MSGGET:
-                        return sys_msgget ((key_t) first, second);
-                case MSGCTL:
-                        return sys_msgctl (first, second,
-                                           (struct msqid_ds __user *) ptr);
-                default:
-                        return -EINVAL;
-                }
-        if (call <= SHMCTL)
-                switch (call) {
-                case SHMAT:
-                        switch (version) {
-                        default: {
-                                ulong raddr;
-                                ret = do_shmat (first, (char __user *) ptr,
-                                                 second, &raddr);
-                                if (ret)
-                                        return ret;
-                                return put_user (raddr, (ulong __user *) third);
-                        }
-                        case 1: /* iBCS2 emulator entry point */
-                                if (!segment_eq(get_fs(), get_ds()))
-                                        return -EINVAL;
-                                return do_shmat (first, (char __user *) ptr,
-                                                  second, (ulong *) third);
-                        }
-                case SHMDT:
-                        return sys_shmdt ((char __user *)ptr);
-                case SHMGET:
-                        return sys_shmget (first, second, third);
-                case SHMCTL:
-                        return sys_shmctl (first, second,
-                                           (struct shmid_ds __user *) ptr);
-                default:
-                        return -EINVAL;
-                }
-
-        return -EINVAL;
-}
-
 /* sys_cacheflush -- flush (part of) the processor cache.  */
 asmlinkage int sys_cacheflush(unsigned long addr, unsigned long len, int op)
 {
@@ -197,14 +93,3 @@ asmlinkage int sys_cacheflush(unsigned long addr, unsigned long len, int op)
         up_read(&current->mm->mmap_sem);
         return 0;
 }
-
-asmlinkage int sys_uname(struct old_utsname __user *name)
-{
-        int err;
-        if (!name)
-                return -EFAULT;
-        down_read(&uts_sem);
-        err = copy_to_user(name, utsname(), sizeof(*name));
-        up_read(&uts_sem);
-        return err?-EFAULT:0;
-}
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 4097f6a10860..6db513674050 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -127,6 +127,9 @@ config ZONE_DMA
         bool
         default y if SPARC32
 
+config NEED_DMA_MAP_STATE
+        def_bool y
+
 config GENERIC_ISA_DMA
         bool
         default y if SPARC32
diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h
index 0e706257918f..5016f76ea98a 100644
--- a/arch/sparc/include/asm/compat.h
+++ b/arch/sparc/include/asm/compat.h
@@ -5,7 +5,8 @@
  */
 #include <linux/types.h>
 
-#define COMPAT_USER_HZ  100
+#define COMPAT_USER_HZ          100
+#define COMPAT_UTS_MACHINE      "sparc\0\0"
 
 typedef u32             compat_size_t;
 typedef s32             compat_ssize_t;
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 5a8c308e2b5c..4b4a0c0b0ccd 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -8,7 +8,6 @@
 #define DMA_ERROR_CODE  (~(dma_addr_t)0x0)
 
 extern int dma_supported(struct device *dev, u64 mask);
-extern int dma_set_mask(struct device *dev, u64 dma_mask);
 
 #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)
@@ -62,4 +61,17 @@ static inline int dma_get_cache_alignment(void)
         return (1 << INTERNODE_CACHE_SHIFT);
 }
 
+static inline int dma_set_mask(struct device *dev, u64 mask)
+{
+#ifdef CONFIG_PCI
+        if (dev->bus == &pci_bus_type) {
+                if (!dev->dma_mask || !dma_supported(dev, mask))
+                        return -EINVAL;
+                *dev->dma_mask = mask;
+                return 0;
+        }
+#endif
+        return -EINVAL;
+}
+
 #endif
diff --git a/arch/sparc/include/asm/pci_32.h b/arch/sparc/include/asm/pci_32.h
index e769f668a4b5..332ac9ab36bc 100644
--- a/arch/sparc/include/asm/pci_32.h
+++ b/arch/sparc/include/asm/pci_32.h
@@ -32,20 +32,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
 
 struct pci_dev;
 
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       \
-        dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         \
-        __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)                  \
-        ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)         \
-        (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)                    \
-        ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)           \
-        (((PTR)->LEN_NAME) = (VAL))
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
                                         enum pci_dma_burst_strategy *strat,
diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h
index b0576df6ec83..5312782f0b5e 100644
--- a/arch/sparc/include/asm/pci_64.h
+++ b/arch/sparc/include/asm/pci_64.h
@@ -32,20 +32,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
  */
 #define PCI_DMA_BUS_IS_PHYS     (0)
 
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       \
-        dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         \
-        __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)                  \
-        ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)         \
-        (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)                    \
-        ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)           \
-        (((PTR)->LEN_NAME) = (VAL))
-
 /* PCI IOMMU mapping bypass support. */
 
 /* PCI 64-bit addressing works for all slots on all controller
diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index cb4b9bfd0d87..d0b3b01ac9d4 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -432,7 +432,9 @@
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_RT_SIGSUSPEND
-#ifndef __32bit_syscall_numbers__
+#ifdef __32bit_syscall_numbers__
+#define __ARCH_WANT_SYS_IPC
+#else
 #define __ARCH_WANT_COMPAT_SYS_TIME
 #define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
 #endif
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 5fad94950e76..8414549c1834 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -862,13 +862,3 @@ int dma_supported(struct device *dev, u64 device_mask)
         return 0;
 }
 EXPORT_SYMBOL(dma_supported);
-
-int dma_set_mask(struct device *dev, u64 dma_mask)
-{
-#ifdef CONFIG_PCI
-        if (dev->bus == &pci_bus_type)
-                return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
-#endif
-        return -EINVAL;
-}
-EXPORT_SYMBOL(dma_set_mask);
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 3c8c44f6a41c..84e5386714cd 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -676,17 +676,6 @@ int dma_supported(struct device *dev, u64 mask)
 }
 EXPORT_SYMBOL(dma_supported);
 
-int dma_set_mask(struct device *dev, u64 dma_mask)
-{
-#ifdef CONFIG_PCI
-        if (dev->bus == &pci_bus_type)
-                return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
-#endif
-        return -EOPNOTSUPP;
-}
-EXPORT_SYMBOL(dma_set_mask);
-
-
 #ifdef CONFIG_PROC_FS
 
 static int sparc_io_proc_show(struct seq_file *m, void *v)
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index 3a82e65d8db2..ee995b7dae7e 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -98,119 +98,6 @@ out:
         return error;
 }
 
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-
-asmlinkage int sys_ipc (uint call, int first, int second, int third, void __user *ptr, long fifth)
-{
-        int version, err;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        if (call <= SEMCTL)
-                switch (call) {
-                case SEMOP:
-                        err = sys_semtimedop (first, (struct sembuf __user *)ptr, second, NULL);
-                        goto out;
-                case SEMTIMEDOP:
-                        err = sys_semtimedop (first, (struct sembuf __user *)ptr, second, (const struct timespec __user *) fifth);
-                        goto out;
-                case SEMGET:
-                        err = sys_semget (first, second, third);
-                        goto out;
-                case SEMCTL: {
-                        union semun fourth;
-                        err = -EINVAL;
-                        if (!ptr)
-                                goto out;
-                        err = -EFAULT;
-                        if (get_user(fourth.__pad,
-                                     (void __user * __user *)ptr))
-                                goto out;
-                        err = sys_semctl (first, second, third, fourth);
-                        goto out;
-                        }
-                default:
-                        err = -ENOSYS;
-                        goto out;
-                }
-        if (call <= MSGCTL) 
-                switch (call) {
-                case MSGSND:
-                        err = sys_msgsnd (first, (struct msgbuf __user *) ptr, 
-                                          second, third);
-                        goto out;
-                case MSGRCV:
-                        switch (version) {
-                        case 0: {
-                                struct ipc_kludge tmp;
-                                err = -EINVAL;
-                                if (!ptr)
-                                        goto out;
-                                err = -EFAULT;
-                                if (copy_from_user(&tmp, (struct ipc_kludge __user *) ptr, sizeof (tmp)))
-                                        goto out;
-                                err = sys_msgrcv (first, tmp.msgp, second, tmp.msgtyp, third);
-                                goto out;
-                                }
-                        case 1: default:
-                                err = sys_msgrcv (first,
-                                                  (struct msgbuf __user *) ptr,
-                                                  second, fifth, third);
-                                goto out;
-                        }
-                case MSGGET:
-                        err = sys_msgget ((key_t) first, second);
-                        goto out;
-                case MSGCTL:
-                        err = sys_msgctl (first, second, (struct msqid_ds __user *) ptr);
-                        goto out;
-                default:
-                        err = -ENOSYS;
-                        goto out;
-                }
-        if (call <= SHMCTL) 
-                switch (call) {
-                case SHMAT:
-                        switch (version) {
-                        case 0: default: {
-                                ulong raddr;
-                                err = do_shmat (first, (char __user *) ptr, second, &raddr);
-                                if (err)
-                                        goto out;
-                                err = -EFAULT;
-                                if (put_user (raddr, (ulong __user *) third))
-                                        goto out;
-                                err = 0;
-                                goto out;
-                                }
-                        case 1: /* iBCS2 emulator entry point */
-                                err = -EINVAL;
-                                goto out;
-                        }
-                case SHMDT: 
-                        err = sys_shmdt ((char __user *)ptr);
-                        goto out;
-                case SHMGET:
-                        err = sys_shmget (first, second, third);
-                        goto out;
-                case SHMCTL:
-                        err = sys_shmctl (first, second, (struct shmid_ds __user *) ptr);
-                        goto out;
-                default:
-                        err = -ENOSYS;
-                        goto out;
-                }
-        else
-                err = -ENOSYS;
-out:
-        return err;
-}
-
 int sparc_mmap_check(unsigned long addr, unsigned long len)
 {
         if (ARCH_SUN4C &&
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index cb1bef6f14b7..3d435c42e6db 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -426,7 +426,7 @@ out:
  * This is really horribly ugly.
  */
 
-SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second,
+SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second,
                 unsigned long, third, void __user *, ptr, long, fifth)
 {
         long err;
@@ -510,17 +510,6 @@ out:
         return err;
 }
 
-SYSCALL_DEFINE1(sparc64_newuname, struct new_utsname __user *, name)
-{
-        int ret = sys_newuname(name);
-        
-        if (current->personality == PER_LINUX32 && !ret) {
-                ret = (copy_to_user(name->machine, "sparc\0\0", 8)
-                       ? -EFAULT : 0);
-        }
-        return ret;
-}
-
 SYSCALL_DEFINE1(sparc64_personality, unsigned long, personality)
 {
         int ret;
diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h
index 68312fe8da74..118759cd7342 100644
--- a/arch/sparc/kernel/systbls.h
+++ b/arch/sparc/kernel/systbls.h
@@ -6,15 +6,12 @@
 #include <asm/utrap.h>
 #include <asm/signal.h>
 
-struct new_utsname;
-
 extern asmlinkage unsigned long sys_getpagesize(void);
 extern asmlinkage long sparc_pipe(struct pt_regs *regs);
-extern asmlinkage long sys_ipc(unsigned int call, int first,
+extern asmlinkage long sys_sparc_ipc(unsigned int call, int first,
                                unsigned long second,
                                unsigned long third,
                                void __user *ptr, long fifth);
-extern asmlinkage long sparc64_newuname(struct new_utsname __user *name);
 extern asmlinkage long sparc64_personality(unsigned long personality);
 extern asmlinkage long sys64_munmap(unsigned long addr, size_t len);
 extern asmlinkage unsigned long sys64_mremap(unsigned long addr,
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 17614251fb6d..9db058dd039e 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -55,7 +55,7 @@ sys_call_table32:
 /*170*/ .word sys32_lsetxattr, sys32_fsetxattr, sys_getxattr, sys_lgetxattr, compat_sys_getdents
         .word sys_setsid, sys_fchdir, sys32_fgetxattr, sys_listxattr, sys_llistxattr
 /*180*/ .word sys32_flistxattr, sys_removexattr, sys_lremovexattr, compat_sys_sigpending, sys_ni_syscall
-        .word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sys_sparc64_newuname
+        .word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sys_newuname
 /*190*/ .word sys32_init_module, sys_sparc64_personality, sys_remap_file_pages, sys32_epoll_create, sys32_epoll_ctl
         .word sys32_epoll_wait, sys32_ioprio_set, sys_getppid, sys32_sigaction, sys_sgetmask
 /*200*/ .word sys32_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, compat_sys_old_readdir
@@ -130,13 +130,13 @@ sys_call_table:
 /*170*/ .word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents
         .word sys_setsid, sys_fchdir, sys_fgetxattr, sys_listxattr, sys_llistxattr
 /*180*/ .word sys_flistxattr, sys_removexattr, sys_lremovexattr, sys_nis_syscall, sys_ni_syscall
-        .word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sys_sparc64_newuname
+        .word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sys_newuname
 /*190*/ .word sys_init_module, sys_sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl
         .word sys_epoll_wait, sys_ioprio_set, sys_getppid, sys_nis_syscall, sys_sgetmask
 /*200*/ .word sys_ssetmask, sys_nis_syscall, sys_newlstat, sys_uselib, sys_nis_syscall
         .word sys_readahead, sys_socketcall, sys_syslog, sys_lookup_dcookie, sys_fadvise64
 /*210*/ .word sys_fadvise64_64, sys_tgkill, sys_waitpid, sys_swapoff, sys_sysinfo
-        .word sys_ipc, sys_nis_syscall, sys_clone, sys_ioprio_get, sys_adjtimex
+        .word sys_sparc_ipc, sys_nis_syscall, sys_clone, sys_ioprio_get, sys_adjtimex
 /*220*/ .word sys_nis_syscall, sys_ni_syscall, sys_delete_module, sys_ni_syscall, sys_getpgid
         .word sys_bdflush, sys_sysfs, sys_nis_syscall, sys_setfsuid, sys_setfsgid
 /*230*/ .word sys_select, sys_nis_syscall, sys_splice, sys_stime, sys_statfs64
diff --git a/arch/um/include/asm/dma-mapping.h b/arch/um/include/asm/dma-mapping.h
index 378de4bbf49f..b948c14a7867 100644
--- a/arch/um/include/asm/dma-mapping.h
+++ b/arch/um/include/asm/dma-mapping.h
@@ -104,14 +104,6 @@ dma_get_cache_alignment(void)
 }
 
 static inline void
-dma_sync_single_range(struct device *dev, dma_addr_t dma_handle,
-                      unsigned long offset, size_t size,
-                      enum dma_data_direction direction)
-{
-        BUG();
-}
-
-static inline void
 dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                enum dma_data_direction direction)
 {
diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h
index 6c8899013c92..2cd899f75a3c 100644
--- a/arch/um/include/asm/ptrace-generic.h
+++ b/arch/um/include/asm/ptrace-generic.h
@@ -16,6 +16,8 @@ struct pt_regs {
         struct uml_pt_regs regs;
 };
 
+#define arch_has_single_step()  (1)
+
 #define EMPTY_REGS { .regs = EMPTY_UML_PT_REGS }
 
 #define PT_REGS_IP(r) UPT_IP(&(r)->regs)
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index 8e3d69e4fcb5..484509948ee9 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -12,16 +12,25 @@
 #endif
 #include "skas_ptrace.h"
 
-static inline void set_singlestepping(struct task_struct *child, int on)
+
+
+void user_enable_single_step(struct task_struct *child)
 {
-        if (on)
-                child->ptrace |= PT_DTRACE;
-        else
-                child->ptrace &= ~PT_DTRACE;
+        child->ptrace |= PT_DTRACE;
         child->thread.singlestep_syscall = 0;
 
 #ifdef SUBARCH_SET_SINGLESTEPPING
-        SUBARCH_SET_SINGLESTEPPING(child, on);
+        SUBARCH_SET_SINGLESTEPPING(child, 1);
+#endif
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+        child->ptrace &= ~PT_DTRACE;
+        child->thread.singlestep_syscall = 0;
+
+#ifdef SUBARCH_SET_SINGLESTEPPING
+        SUBARCH_SET_SINGLESTEPPING(child, 0);
 #endif
 }
 
@@ -30,7 +39,7 @@ static inline void set_singlestepping(struct task_struct *child, int on)
  */
 void ptrace_disable(struct task_struct *child)
 {
-        set_singlestepping(child,0);
+        user_disable_single_step(child);
 }
 
 extern int peek_user(struct task_struct * child, long addr, long data);
@@ -69,53 +78,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 ret = -EIO;
                 break;
 
-        /* continue and stop at next (return from) syscall */
-        case PTRACE_SYSCALL:
-        /* restart after signal. */
-        case PTRACE_CONT: {
-                ret = -EIO;
-                if (!valid_signal(data))
-                        break;
-
-                set_singlestepping(child, 0);
-                if (request == PTRACE_SYSCALL)
-                        set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                else clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                child->exit_code = data;
-                wake_up_process(child);
-                ret = 0;
-                break;
-        }
-
-/*
- * make the child exit.  Best I can do is send it a sigkill.
- * perhaps it should be put in the status that it wants to
- * exit.
- */
-        case PTRACE_KILL: {
-                ret = 0;
-                if (child->exit_state == EXIT_ZOMBIE)   /* already dead */
-                        break;
-
-                set_singlestepping(child, 0);
-                child->exit_code = SIGKILL;
-                wake_up_process(child);
-                break;
-        }
-
-        case PTRACE_SINGLESTEP: {  /* set the trap flag. */
-                ret = -EIO;
-                if (!valid_signal(data))
-                        break;
-                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                set_singlestepping(child, 1);
-                child->exit_code = data;
-                /* give it a chance to run. */
-                wake_up_process(child);
-                ret = 0;
-                break;
-        }
-
 #ifdef PTRACE_GETREGS
         case PTRACE_GETREGS: { /* Get all gp regs from the child. */
                 if (!access_ok(VERIFY_WRITE, p, MAX_REG_OFFSET)) {
diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c
index cccab850c27e..4393173923f5 100644
--- a/arch/um/kernel/syscall.c
+++ b/arch/um/kernel/syscall.c
@@ -51,51 +51,6 @@ long old_mmap(unsigned long addr, unsigned long len,
         return err;
 }
 
-long sys_uname(struct old_utsname __user * name)
-{
-        long err;
-        if (!name)
-                return -EFAULT;
-        down_read(&uts_sem);
-        err = copy_to_user(name, utsname(), sizeof (*name));
-        up_read(&uts_sem);
-        return err?-EFAULT:0;
-}
-
-long sys_olduname(struct oldold_utsname __user * name)
-{
-        long error;
-
-        if (!name)
-                return -EFAULT;
-        if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
-                return -EFAULT;
-
-        down_read(&uts_sem);
-
-        error = __copy_to_user(&name->sysname, &utsname()->sysname,
-                               __OLD_UTS_LEN);
-        error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
-        error |= __copy_to_user(&name->nodename, &utsname()->nodename,
-                                __OLD_UTS_LEN);
-        error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
-        error |= __copy_to_user(&name->release, &utsname()->release,
-                                __OLD_UTS_LEN);
-        error |= __put_user(0, name->release + __OLD_UTS_LEN);
-        error |= __copy_to_user(&name->version, &utsname()->version,
-                                __OLD_UTS_LEN);
-        error |= __put_user(0, name->version + __OLD_UTS_LEN);
-        error |= __copy_to_user(&name->machine, &utsname()->machine,
-                                __OLD_UTS_LEN);
-        error |= __put_user(0, name->machine + __OLD_UTS_LEN);
-
-        up_read(&uts_sem);
-
-        error = error ? -EFAULT : 0;
-
-        return error;
-}
-
 int kernel_execve(const char *filename, char *const argv[], char *const envp[])
 {
         mm_segment_t fs;
diff --git a/arch/um/sys-i386/shared/sysdep/syscalls.h b/arch/um/sys-i386/shared/sysdep/syscalls.h
index e7787679e317..05cb796aecb5 100644
--- a/arch/um/sys-i386/shared/sysdep/syscalls.h
+++ b/arch/um/sys-i386/shared/sysdep/syscalls.h
@@ -13,8 +13,6 @@ typedef long syscall_handler_t(struct pt_regs);
  */
 extern syscall_handler_t sys_rt_sigaction;
 
-extern syscall_handler_t old_mmap_i386;
-
 extern syscall_handler_t *sys_call_table[];
 
 #define EXECUTE_SYSCALL(syscall, regs) \
diff --git a/arch/um/sys-i386/sys_call_table.S b/arch/um/sys-i386/sys_call_table.S
index c6260dd6ebb9..de274071455d 100644
--- a/arch/um/sys-i386/sys_call_table.S
+++ b/arch/um/sys-i386/sys_call_table.S
@@ -7,7 +7,7 @@
 #define sys_vm86old sys_ni_syscall
 #define sys_vm86 sys_ni_syscall
 
-#define old_mmap old_mmap_i386
+#define old_mmap sys_old_mmap
 
 #define ptregs_fork sys_fork
 #define ptregs_execve sys_execve
diff --git a/arch/um/sys-i386/syscalls.c b/arch/um/sys-i386/syscalls.c
index 857ca0b3bdef..70ca357393b8 100644
--- a/arch/um/sys-i386/syscalls.c
+++ b/arch/um/sys-i386/syscalls.c
@@ -12,57 +12,6 @@
 #include "asm/unistd.h"
 
 /*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux/i386 didn't use to be able to handle more than
- * 4 system call parameters, so these system calls used a memory
- * block for parameter passing..
- */
-
-struct mmap_arg_struct {
-        unsigned long addr;
-        unsigned long len;
-        unsigned long prot;
-        unsigned long flags;
-        unsigned long fd;
-        unsigned long offset;
-};
-
-extern int old_mmap(unsigned long addr, unsigned long len,
-                    unsigned long prot, unsigned long flags,
-                    unsigned long fd, unsigned long offset);
-
-long old_mmap_i386(struct mmap_arg_struct __user *arg)
-{
-        struct mmap_arg_struct a;
-        int err = -EFAULT;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                goto out;
-
-        err = old_mmap(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
- out:
-        return err;
-}
-
-struct sel_arg_struct {
-        unsigned long n;
-        fd_set __user *inp;
-        fd_set __user *outp;
-        fd_set __user *exp;
-        struct timeval __user *tvp;
-};
-
-long old_select(struct sel_arg_struct __user *arg)
-{
-        struct sel_arg_struct a;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                return -EFAULT;
-        /* sys_select() does the appropriate kernel locking */
-        return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
  * The prototype on i386 is:
  *
  *     int clone(int flags, void * child_stack, int * parent_tidptr, struct user_desc * newtls, int * child_tidptr)
@@ -85,92 +34,6 @@ long sys_clone(unsigned long clone_flags, unsigned long newsp,
         return ret;
 }
 
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-long sys_ipc (uint call, int first, int second,
-             int third, void __user *ptr, long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        switch (call) {
-        case SEMOP:
-                return sys_semtimedop(first, (struct sembuf __user *) ptr,
-                                      second, NULL);
-        case SEMTIMEDOP:
-                return sys_semtimedop(first, (struct sembuf __user *) ptr,
-                                      second,
-                                      (const struct timespec __user *) fifth);
-        case SEMGET:
-                return sys_semget (first, second, third);
-        case SEMCTL: {
-                union semun fourth;
-                if (!ptr)
-                        return -EINVAL;
-                if (get_user(fourth.__pad, (void __user * __user *) ptr))
-                        return -EFAULT;
-                return sys_semctl (first, second, third, fourth);
-        }
-
-        case MSGSND:
-                return sys_msgsnd (first, (struct msgbuf *) ptr,
-                                   second, third);
-        case MSGRCV:
-                switch (version) {
-                case 0: {
-                        struct ipc_kludge tmp;
-                        if (!ptr)
-                                return -EINVAL;
-
-                        if (copy_from_user(&tmp,
-                                           (struct ipc_kludge *) ptr,
-                                           sizeof (tmp)))
-                                return -EFAULT;
-                        return sys_msgrcv (first, tmp.msgp, second,
-                                           tmp.msgtyp, third);
-                }
-                default:
-                        panic("msgrcv with version != 0");
-                        return sys_msgrcv (first,
-                                           (struct msgbuf *) ptr,
-                                           second, fifth, third);
-                }
-        case MSGGET:
-                return sys_msgget ((key_t) first, second);
-        case MSGCTL:
-                return sys_msgctl (first, second, (struct msqid_ds *) ptr);
-
-        case SHMAT:
-                switch (version) {
-                default: {
-                        ulong raddr;
-                        ret = do_shmat (first, (char *) ptr, second, &raddr);
-                        if (ret)
-                                return ret;
-                        return put_user (raddr, (ulong *) third);
-                }
-                case 1: /* iBCS2 emulator entry point */
-                        if (!segment_eq(get_fs(), get_ds()))
-                                return -EINVAL;
-                        return do_shmat (first, (char *) ptr, second, (ulong *) third);
-                }
-        case SHMDT:
-                return sys_shmdt ((char *)ptr);
-        case SHMGET:
-                return sys_shmget (first, second, third);
-        case SHMCTL:
-                return sys_shmctl (first, second,
-                                   (struct shmid_ds *) ptr);
-        default:
-                return -ENOSYS;
-        }
-}
-
 long sys_sigaction(int sig, const struct old_sigaction __user *act,
                          struct old_sigaction __user *oact)
 {
diff --git a/arch/um/sys-x86_64/syscall_table.c b/arch/um/sys-x86_64/syscall_table.c
index dd21d69715e6..47d469e7e7ce 100644
--- a/arch/um/sys-x86_64/syscall_table.c
+++ b/arch/um/sys-x86_64/syscall_table.c
@@ -26,11 +26,6 @@
 
 /* On UML we call it this way ("old" means it's not mmap2) */
 #define sys_mmap old_mmap
-/*
- * On x86-64 sys_uname is actually sys_newuname plus a compatibility trick.
- * See arch/x86_64/kernel/sys_x86_64.c
- */
-#define sys_uname sys_uname64
 
 #define stub_clone sys_clone
 #define stub_fork sys_fork
diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c
index f1199fd34d38..f3d82bb6e15a 100644
--- a/arch/um/sys-x86_64/syscalls.c
+++ b/arch/um/sys-x86_64/syscalls.c
@@ -12,20 +12,6 @@
 #include "asm/uaccess.h"
 #include "os.h"
 
-asmlinkage long sys_uname64(struct new_utsname __user * name)
-{
-        int err;
-
-        down_read(&uts_sem);
-        err = copy_to_user(name, utsname(), sizeof (*name));
-        up_read(&uts_sem);
-
-        if (personality(current->personality) == PER_LINUX32)
-                err |= copy_to_user(&name->machine, "i686", 5);
-
-        return err ? -EFAULT : 0;
-}
-
 long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr)
 {
         unsigned long *ptr = addr, tmp;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index e98440371525..93936de67796 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -102,6 +102,9 @@ config ZONE_DMA
 config SBUS
         bool
 
+config NEED_DMA_MAP_STATE
+       def_bool (X86_64 || DMAR || DMA_API_DEBUG)
+
 config GENERIC_ISA_DMA
         def_bool y
 
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 53147ad85b96..59b4556a5b92 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -563,7 +563,7 @@ ia32_sys_call_table:
         .quad quiet_ni_syscall                  /* old mpx syscall holder */
         .quad sys_setpgid
         .quad quiet_ni_syscall                  /* old ulimit syscall holder */
-        .quad sys32_olduname
+        .quad sys_olduname
         .quad sys_umask         /* 60 */
         .quad sys_chroot
         .quad compat_sys_ustat
@@ -586,7 +586,7 @@ ia32_sys_call_table:
         .quad compat_sys_settimeofday
         .quad sys_getgroups16   /* 80 */
         .quad sys_setgroups16
-        .quad sys32_old_select
+        .quad compat_sys_old_select
         .quad sys_symlink
         .quad sys_lstat
         .quad sys_readlink              /* 85 */
@@ -613,7 +613,7 @@ ia32_sys_call_table:
         .quad compat_sys_newstat
         .quad compat_sys_newlstat
         .quad compat_sys_newfstat
-        .quad sys32_uname
+        .quad sys_uname
         .quad stub32_iopl               /* 110 */
         .quad sys_vhangup
         .quad quiet_ni_syscall  /* old "idle" system call */
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index 422572c77923..74c35431b7d8 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -143,7 +143,7 @@ asmlinkage long sys32_fstatat(unsigned int dfd, char __user *filename,
  * block for parameter passing..
  */
 
-struct mmap_arg_struct {
+struct mmap_arg_struct32 {
         unsigned int addr;
         unsigned int len;
         unsigned int prot;
@@ -152,9 +152,9 @@ struct mmap_arg_struct {
         unsigned int offset;
 };
 
-asmlinkage long sys32_mmap(struct mmap_arg_struct __user *arg)
+asmlinkage long sys32_mmap(struct mmap_arg_struct32 __user *arg)
 {
-        struct mmap_arg_struct a;
+        struct mmap_arg_struct32 a;
 
         if (copy_from_user(&a, arg, sizeof(a)))
                 return -EFAULT;
@@ -332,24 +332,6 @@ asmlinkage long sys32_alarm(unsigned int seconds)
         return alarm_setitimer(seconds);
 }
 
-struct sel_arg_struct {
-        unsigned int n;
-        unsigned int inp;
-        unsigned int outp;
-        unsigned int exp;
-        unsigned int tvp;
-};
-
-asmlinkage long sys32_old_select(struct sel_arg_struct __user *arg)
-{
-        struct sel_arg_struct a;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                return -EFAULT;
-        return compat_sys_select(a.n, compat_ptr(a.inp), compat_ptr(a.outp),
-                                 compat_ptr(a.exp), compat_ptr(a.tvp));
-}
-
 asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr,
                               int options)
 {
@@ -466,58 +448,6 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd,
         return ret;
 }
 
-asmlinkage long sys32_olduname(struct oldold_utsname __user *name)
-{
-        char *arch = "x86_64";
-        int err;
-
-        if (!name)
-                return -EFAULT;
-        if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
-                return -EFAULT;
-
-        down_read(&uts_sem);
-
-        err = __copy_to_user(&name->sysname, &utsname()->sysname,
-                             __OLD_UTS_LEN);
-        err |= __put_user(0, name->sysname+__OLD_UTS_LEN);
-        err |= __copy_to_user(&name->nodename, &utsname()->nodename,
-                              __OLD_UTS_LEN);
-        err |= __put_user(0, name->nodename+__OLD_UTS_LEN);
-        err |= __copy_to_user(&name->release, &utsname()->release,
-                              __OLD_UTS_LEN);
-        err |= __put_user(0, name->release+__OLD_UTS_LEN);
-        err |= __copy_to_user(&name->version, &utsname()->version,
-                              __OLD_UTS_LEN);
-        err |= __put_user(0, name->version+__OLD_UTS_LEN);
-
-        if (personality(current->personality) == PER_LINUX32)
-                arch = "i686";
-
-        err |= __copy_to_user(&name->machine, arch, strlen(arch) + 1);
-
-        up_read(&uts_sem);
-
-        err = err ? -EFAULT : 0;
-
-        return err;
-}
-
-long sys32_uname(struct old_utsname __user *name)
-{
-        int err;
-
-        if (!name)
-                return -EFAULT;
-        down_read(&uts_sem);
-        err = copy_to_user(name, utsname(), sizeof(*name));
-        up_read(&uts_sem);
-        if (personality(current->personality) == PER_LINUX32)
-                err |= copy_to_user(&name->machine, "i686", 5);
-
-        return err ? -EFAULT : 0;
-}
-
 asmlinkage long sys32_execve(char __user *name, compat_uptr_t __user *argv,
                              compat_uptr_t __user *envp, struct pt_regs *regs)
 {
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
index 9a9c7bdc923d..306160e58b48 100644
--- a/arch/x86/include/asm/compat.h
+++ b/arch/x86/include/asm/compat.h
@@ -8,7 +8,8 @@
 #include <linux/sched.h>
 #include <asm/user32.h>
 
-#define COMPAT_USER_HZ  100
+#define COMPAT_USER_HZ          100
+#define COMPAT_UTS_MACHINE      "i686\0\0"
 
 typedef u32             compat_size_t;
 typedef s32             compat_ssize_t;
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 3e002ca5a287..404a880ea325 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -97,34 +97,6 @@ extern void pci_iommu_alloc(void);
 
 #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys)
 
-#if defined(CONFIG_X86_64) || defined(CONFIG_DMAR) || defined(CONFIG_DMA_API_DEBUG)
-
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       \
-                dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         \
-                __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)                  \
-                ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)         \
-                (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)                    \
-                ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)           \
-                (((PTR)->LEN_NAME) = (VAL))
-
-#else
-
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       dma_addr_t ADDR_NAME[0];
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) unsigned LEN_NAME[0];
-#define pci_unmap_addr(PTR, ADDR_NAME)  sizeof((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
-                do { break; } while (pci_unmap_addr(PTR, ADDR_NAME))
-#define pci_unmap_len(PTR, LEN_NAME)            sizeof((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
-                do { break; } while (pci_unmap_len(PTR, LEN_NAME))
-
-#endif
-
 #endif  /* __KERNEL__ */
 
 #ifdef CONFIG_X86_64
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index 20102808b191..69a686a7dff0 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -274,14 +274,7 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
                 return 0;
 }
 
-/*
- * These are defined as per linux/ptrace.h, which see.
- */
 #define arch_has_single_step()  (1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
-
-extern void user_enable_block_step(struct task_struct *);
 #ifdef CONFIG_X86_DEBUGCTLMSR
 #define arch_has_block_step()   (1)
 #else
diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h
index d5f69045c100..3ad421784ae7 100644
--- a/arch/x86/include/asm/sys_ia32.h
+++ b/arch/x86/include/asm/sys_ia32.h
@@ -26,8 +26,8 @@ asmlinkage long sys32_lstat64(char __user *, struct stat64 __user *);
 asmlinkage long sys32_fstat64(unsigned int, struct stat64 __user *);
 asmlinkage long sys32_fstatat(unsigned int, char __user *,
                               struct stat64 __user *, int);
-struct mmap_arg_struct;
-asmlinkage long sys32_mmap(struct mmap_arg_struct __user *);
+struct mmap_arg_struct32;
+asmlinkage long sys32_mmap(struct mmap_arg_struct32 __user *);
 asmlinkage long sys32_mprotect(unsigned long, size_t, unsigned long);
 
 struct sigaction32;
@@ -40,8 +40,6 @@ asmlinkage long sys32_rt_sigprocmask(int, compat_sigset_t __user *,
                                      compat_sigset_t __user *, unsigned int);
 asmlinkage long sys32_alarm(unsigned int);
 
-struct sel_arg_struct;
-asmlinkage long sys32_old_select(struct sel_arg_struct __user *);
 asmlinkage long sys32_waitpid(compat_pid_t, unsigned int *, int);
 asmlinkage long sys32_sysfs(int, u32, u32);
 
@@ -56,11 +54,6 @@ asmlinkage long sys32_pwrite(unsigned int, char __user *, u32, u32, u32);
 asmlinkage long sys32_personality(unsigned long);
 asmlinkage long sys32_sendfile(int, int, compat_off_t __user *, s32);
 
-struct oldold_utsname;
-struct old_utsname;
-asmlinkage long sys32_olduname(struct oldold_utsname __user *);
-long sys32_uname(struct old_utsname __user *);
-
 asmlinkage long sys32_execve(char __user *, compat_uptr_t __user *,
                              compat_uptr_t __user *, struct pt_regs *);
 asmlinkage long sys32_clone(unsigned int, unsigned int, struct pt_regs *);
diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h
index 8868b9420b0e..5c044b43e9a7 100644
--- a/arch/x86/include/asm/syscalls.h
+++ b/arch/x86/include/asm/syscalls.h
@@ -50,18 +50,6 @@ asmlinkage int sys_sigaction(int, const struct old_sigaction __user *,
                              struct old_sigaction __user *);
 unsigned long sys_sigreturn(struct pt_regs *);
 
-/* kernel/sys_i386_32.c */
-struct mmap_arg_struct;
-struct sel_arg_struct;
-struct oldold_utsname;
-struct old_utsname;
-
-asmlinkage int old_mmap(struct mmap_arg_struct __user *);
-asmlinkage int old_select(struct sel_arg_struct __user *);
-asmlinkage int sys_ipc(uint, int, int, int, void __user *, long);
-asmlinkage int sys_uname(struct old_utsname __user *);
-asmlinkage int sys_olduname(struct oldold_utsname __user *);
-
 /* kernel/vm86_32.c */
 int sys_vm86old(struct vm86_struct __user *, struct pt_regs *);
 int sys_vm86(unsigned long, unsigned long, struct pt_regs *);
@@ -73,11 +61,8 @@ int sys_vm86(unsigned long, unsigned long, struct pt_regs *);
 long sys_arch_prctl(int, unsigned long);
 
 /* kernel/sys_x86_64.c */
-struct new_utsname;
-
 asmlinkage long sys_mmap(unsigned long, unsigned long, unsigned long,
                          unsigned long, unsigned long, unsigned long);
-asmlinkage long sys_uname(struct new_utsname __user *);
 
 #endif /* CONFIG_X86_32 */
 #endif /* _ASM_X86_SYSCALLS_H */
diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h
index 3baf379fa840..beb9b5f8f8a4 100644
--- a/arch/x86/include/asm/unistd_32.h
+++ b/arch/x86/include/asm/unistd_32.h
@@ -354,6 +354,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -366,6 +367,9 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
+#define __ARCH_WANT_SYS_OLD_MMAP
+#define __ARCH_WANT_SYS_OLD_SELECT
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h
index 4843f7ba754a..ff4307b0e81e 100644
--- a/arch/x86/include/asm/unistd_64.h
+++ b/arch/x86/include/asm/unistd_64.h
@@ -146,7 +146,7 @@ __SYSCALL(__NR_wait4, sys_wait4)
 #define __NR_kill                               62
 __SYSCALL(__NR_kill, sys_kill)
 #define __NR_uname                              63
-__SYSCALL(__NR_uname, sys_uname)
+__SYSCALL(__NR_uname, sys_newuname)
 
 #define __NR_semget                             64
 __SYSCALL(__NR_semget, sys_semget)
@@ -680,6 +680,7 @@ __SYSCALL(__NR_recvmmsg, sys_recvmmsg)
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index eddb1bdd1b8f..b3eeb66c0a51 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -903,7 +903,7 @@ static ssize_t store(struct kobject *kobj, struct attribute *attr,
         return ret;
 }
 
-static struct sysfs_ops sysfs_ops = {
+static const struct sysfs_ops sysfs_ops = {
         .show   = show,
         .store  = store,
 };
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index a8aacd4b513c..28cba46bf32c 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -2044,6 +2044,7 @@ static __init void mce_init_banks(void)
                 struct mce_bank *b = &mce_banks[i];
                 struct sysdev_attribute *a = &b->attr;
 
+                sysfs_attr_init(&a->attr);
                 a->attr.name    = b->attrname;
                 snprintf(b->attrname, ATTR_LEN, "bank%d", i);
 
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index 83a3d1f4efca..cda932ca3ade 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -388,7 +388,7 @@ static ssize_t store(struct kobject *kobj, struct attribute *attr,
         return ret;
 }
 
-static struct sysfs_ops threshold_ops = {
+static const struct sysfs_ops threshold_ops = {
         .show                   = show,
         .store                  = store,
 };
diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c
index dee1ff7cba58..196552bb412c 100644
--- a/arch/x86/kernel/sys_i386_32.c
+++ b/arch/x86/kernel/sys_i386_32.c
@@ -25,191 +25,6 @@
 #include <asm/syscalls.h>
 
 /*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux/i386 didn't use to be able to handle more than
- * 4 system call parameters, so these system calls used a memory
- * block for parameter passing..
- */
-
-struct mmap_arg_struct {
-        unsigned long addr;
-        unsigned long len;
-        unsigned long prot;
-        unsigned long flags;
-        unsigned long fd;
-        unsigned long offset;
-};
-
-asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
-{
-        struct mmap_arg_struct a;
-        int err = -EFAULT;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                goto out;
-
-        err = -EINVAL;
-        if (a.offset & ~PAGE_MASK)
-                goto out;
-
-        err = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags,
-                        a.fd, a.offset >> PAGE_SHIFT);
-out:
-        return err;
-}
-
-
-struct sel_arg_struct {
-        unsigned long n;
-        fd_set __user *inp, *outp, *exp;
-        struct timeval __user *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct __user *arg)
-{
-        struct sel_arg_struct a;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                return -EFAULT;
-        /* sys_select() does the appropriate kernel locking */
-        return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc(uint call, int first, int second,
-                        int third, void __user *ptr, long fifth)
-{
-        int version, ret;
-
-        version = call >> 16; /* hack for backward compatibility */
-        call &= 0xffff;
-
-        switch (call) {
-        case SEMOP:
-                return sys_semtimedop(first, (struct sembuf __user *)ptr, second, NULL);
-        case SEMTIMEDOP:
-                return sys_semtimedop(first, (struct sembuf __user *)ptr, second,
-                                        (const struct timespec __user *)fifth);
-
-        case SEMGET:
-                return sys_semget(first, second, third);
-        case SEMCTL: {
-                union semun fourth;
-                if (!ptr)
-                        return -EINVAL;
-                if (get_user(fourth.__pad, (void __user * __user *) ptr))
-                        return -EFAULT;
-                return sys_semctl(first, second, third, fourth);
-        }
-
-        case MSGSND:
-                return sys_msgsnd(first, (struct msgbuf __user *) ptr,
-                                   second, third);
-        case MSGRCV:
-                switch (version) {
-                case 0: {
-                        struct ipc_kludge tmp;
-                        if (!ptr)
-                                return -EINVAL;
-
-                        if (copy_from_user(&tmp,
-                                           (struct ipc_kludge __user *) ptr,
-                                           sizeof(tmp)))
-                                return -EFAULT;
-                        return sys_msgrcv(first, tmp.msgp, second,
-                                           tmp.msgtyp, third);
-                }
-                default:
-                        return sys_msgrcv(first,
-                                           (struct msgbuf __user *) ptr,
-                                           second, fifth, third);
-                }
-        case MSGGET:
-                return sys_msgget((key_t) first, second);
-        case MSGCTL:
-                return sys_msgctl(first, second, (struct msqid_ds __user *) ptr);
-
-        case SHMAT:
-                switch (version) {
-                default: {
-                        ulong raddr;
-                        ret = do_shmat(first, (char __user *) ptr, second, &raddr);
-                        if (ret)
-                                return ret;
-                        return put_user(raddr, (ulong __user *) third);
-                }
-                case 1: /* iBCS2 emulator entry point */
-                        if (!segment_eq(get_fs(), get_ds()))
-                                return -EINVAL;
-                        /* The "(ulong *) third" is valid _only_ because of the kernel segment thing */
-                        return do_shmat(first, (char __user *) ptr, second, (ulong *) third);
-                }
-        case SHMDT:
-                return sys_shmdt((char __user *)ptr);
-        case SHMGET:
-                return sys_shmget(first, second, third);
-        case SHMCTL:
-                return sys_shmctl(first, second,
-                                   (struct shmid_ds __user *) ptr);
-        default:
-                return -ENOSYS;
-        }
-}
-
-/*
- * Old cruft
- */
-asmlinkage int sys_uname(struct old_utsname __user *name)
-{
-        int err;
-        if (!name)
-                return -EFAULT;
-        down_read(&uts_sem);
-        err = copy_to_user(name, utsname(), sizeof(*name));
-        up_read(&uts_sem);
-        return err? -EFAULT:0;
-}
-
-asmlinkage int sys_olduname(struct oldold_utsname __user *name)
-{
-        int error;
-
-        if (!name)
-                return -EFAULT;
-        if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
-                return -EFAULT;
-
-        down_read(&uts_sem);
-
-        error = __copy_to_user(&name->sysname, &utsname()->sysname,
-                               __OLD_UTS_LEN);
-        error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
-        error |= __copy_to_user(&name->nodename, &utsname()->nodename,
-                                __OLD_UTS_LEN);
-        error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
-        error |= __copy_to_user(&name->release, &utsname()->release,
-                                __OLD_UTS_LEN);
-        error |= __put_user(0, name->release + __OLD_UTS_LEN);
-        error |= __copy_to_user(&name->version, &utsname()->version,
-                                __OLD_UTS_LEN);
-        error |= __put_user(0, name->version + __OLD_UTS_LEN);
-        error |= __copy_to_user(&name->machine, &utsname()->machine,
-                                __OLD_UTS_LEN);
-        error |= __put_user(0, name->machine + __OLD_UTS_LEN);
-
-        up_read(&uts_sem);
-
-        error = error ? -EFAULT : 0;
-
-        return error;
-}
-
-
-/*
  * Do a system call from kernel instead of calling sys_execve so we
  * end up with proper pt_regs.
  */
diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
index 8aa2057efd12..ff14a5044ce6 100644
--- a/arch/x86/kernel/sys_x86_64.c
+++ b/arch/x86/kernel/sys_x86_64.c
@@ -209,15 +209,3 @@ bottomup:
 
         return addr;
 }
-
-
-SYSCALL_DEFINE1(uname, struct new_utsname __user *, name)
-{
-        int err;
-        down_read(&uts_sem);
-        err = copy_to_user(name, utsname(), sizeof(*name));
-        up_read(&uts_sem);
-        if (personality(current->personality) == PER_LINUX32)
-                err |= copy_to_user(&name->machine, "i686", 5);
-        return err ? -EFAULT : 0;
-}
diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S
index 15228b5d3eb7..8b3729341216 100644
--- a/arch/x86/kernel/syscall_table_32.S
+++ b/arch/x86/kernel/syscall_table_32.S
@@ -81,7 +81,7 @@ ENTRY(sys_call_table)
         .long sys_settimeofday
         .long sys_getgroups16   /* 80 */
         .long sys_setgroups16
-        .long old_select
+        .long sys_old_select
         .long sys_symlink
         .long sys_lstat
         .long sys_readlink      /* 85 */
@@ -89,7 +89,7 @@ ENTRY(sys_call_table)
         .long sys_swapon
         .long sys_reboot
         .long sys_old_readdir
-        .long old_mmap          /* 90 */
+        .long sys_old_mmap      /* 90 */
         .long sys_munmap
         .long sys_truncate
         .long sys_ftruncate
diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h
index 66410acf18b4..4609b0f15f1f 100644
--- a/arch/xtensa/include/asm/pci.h
+++ b/arch/xtensa/include/asm/pci.h
@@ -56,14 +56,6 @@ struct pci_dev;
 
 #define PCI_DMA_BUS_IS_PHYS     (1)
 
-/* pci_unmap_{page,single} is a no-op, so */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)          (0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
-#define pci_ubnmap_len(PTR, LEN_NAME)           (0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)   do { } while (0)
-
 /* Map a range of PCI memory or I/O space for a device into user space */
 int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
                         enum pci_mmap_state mmap_state, int write_combine);
diff --git a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h
index 905e1e619654..3c549f798727 100644
--- a/arch/xtensa/include/asm/ptrace.h
+++ b/arch/xtensa/include/asm/ptrace.h
@@ -113,6 +113,7 @@ struct pt_regs {
 
 #include <variant/core.h>
 
+# define arch_has_single_step() (1)
 # define task_pt_regs(tsk) ((struct pt_regs*) \
   (task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1)
 # define user_mode(regs) (((regs)->ps & 0x00000020)!=0)
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 9486882ef0af..9d4e1ceb3f09 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -30,6 +30,17 @@
 #include <asm/elf.h>
 #include <asm/coprocessor.h>
 
+
+void user_enable_single_step(struct task_struct *child)
+{
+        child->ptrace |= PT_SINGLESTEP;
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+        child->ptrace &= ~PT_SINGLESTEP;
+}
+
 /*
  * Called by kernel/ptrace.c when detaching to disable single stepping.
  */
@@ -268,51 +279,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 ret = ptrace_pokeusr(child, addr, data);
                 break;
 
-        /* continue and stop at next (return from) syscall */
-
-        case PTRACE_SYSCALL:
-        case PTRACE_CONT: /* restart after signal. */
-        {
-                ret = -EIO;
-                if (!valid_signal(data))
-                        break;
-                if (request == PTRACE_SYSCALL)
-                        set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                else
-                        clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                child->exit_code = data;
-                /* Make sure the single step bit is not set. */
-                child->ptrace &= ~PT_SINGLESTEP;
-                wake_up_process(child);
-                ret = 0;
-                break;
-        }
-
-        /*
-         * make the child exit.  Best I can do is send it a sigkill.
-         * perhaps it should be put in the status that it wants to
-         * exit.
-         */
-        case PTRACE_KILL:
-                ret = 0;
-                if (child->exit_state == EXIT_ZOMBIE)   /* already dead */
-                        break;
-                child->exit_code = SIGKILL;
-                child->ptrace &= ~PT_SINGLESTEP;
-                wake_up_process(child);
-                break;
-
-        case PTRACE_SINGLESTEP:
-                ret = -EIO;
-                if (!valid_signal(data))
-                        break;
-                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                child->ptrace |= PT_SINGLESTEP;
-                child->exit_code = data;
-                wake_up_process(child);
-                ret = 0;
-                break;
-
         case PTRACE_GETREGS:
                 ret = ptrace_getregs(child, (void __user *) data);
                 break;