Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc: Set CONFIG_HAVE_ARCH_TRACEHOOK
  sparc: Add task_pt_regs().
  sparc: Add call to tracehook_signal_handler().
  sparc: Create and use TIF_NOTIFY_RESUME.
  sparc: Use tracehook routines in syscall_trace().
  sparc64: tracehook: CONFIG_HAVE_ARCH_TRACEHOOK
  sparc: Add user_stack_pointer().
  sparc64: tracehook_signal_handler
  sparc64: tracehook: TIF_NOTIFY_RESUME
  sparc: Add asm/syscall.h
  sparc64: tracehook syscall
  sparc: enable headers_export again
  sparc, sparc64: use arch/sparc/include

Makefile

@@ -206,7 +206,11 @@ ifeq ($(ARCH),x86_64)
 endif
 
 # Where to locate arch specific headers
-hdr-arch       := $(SRCARCH)
+ifeq ($(ARCH),sparc64)
+       hdr-arch  := sparc
+else
+       hdr-arch  := $(SRCARCH)
+endif
 
 KCONFIG_CONFIG	?= .config
 

arch/sparc/Kconfig

@@ -68,6 +68,7 @@ config SPARC
 	select HAVE_IDE
 	select HAVE_OPROFILE
 	select HAVE_ARCH_KGDB if !SMP
+	select HAVE_ARCH_TRACEHOOK
 
 # Identify this as a Sparc32 build
 config SPARC32

arch/sparc/include/asm/Kbuild

+# User exported sparc header files
+include include/asm-generic/Kbuild.asm
+
+header-y += ipcbuf_32.h
+header-y += ipcbuf_64.h
+header-y += posix_types_32.h
+header-y += posix_types_64.h
+header-y += ptrace_32.h
+header-y += ptrace_64.h
+header-y += sigcontext_32.h
+header-y += sigcontext_64.h
+header-y += siginfo_32.h
+header-y += siginfo_64.h
+header-y += signal_32.h
+header-y += signal_64.h
+header-y += stat_32.h
+header-y += stat_64.h
+header-y += statfs_32.h
+header-y += statfs_64.h
+header-y += unistd_32.h
+header-y += unistd_64.h
+
+header-y += apc.h
+header-y += asi.h
+header-y += bpp.h
+header-y += display7seg.h
+header-y += envctrl.h
+header-y += fbio.h
+header-y += jsflash.h
+header-y += openprom.h
+header-y += openprom_32.h
+header-y += openprom_64.h
+header-y += openpromio.h
+header-y += perfctr.h
+header-y += psrcompat.h
+header-y += psr.h
+header-y += pstate.h
+header-y += reg.h
+header-y += reg_32.h
+header-y += reg_64.h
+header-y += traps.h
+header-y += uctx.h
+header-y += utrap.h
+header-y += vfc_ioctls.h
+header-y += watchdog.h

include/asm-sparc/atomic.h → arch/sparc/include/asm/atomic.h

 #ifndef ___ASM_SPARC_ATOMIC_H
 #define ___ASM_SPARC_ATOMIC_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/atomic_64.h>
+#include <asm/atomic_64.h>
 #else
-#include <asm-sparc/atomic_32.h>
+#include <asm/atomic_32.h>
 #endif
 #endif

include/asm-sparc/auxio.h → arch/sparc/include/asm/auxio.h

 #ifndef ___ASM_SPARC_AUXIO_H
 #define ___ASM_SPARC_AUXIO_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/auxio_64.h>
+#include <asm/auxio_64.h>
 #else
-#include <asm-sparc/auxio_32.h>
+#include <asm/auxio_32.h>
 #endif
 #endif

include/asm-sparc/auxio_32.h → arch/sparc/include/asm/auxio_32.h

@@ -36,7 +36,7 @@
  * understand the hardware you are querying!
  */
 extern void set_auxio(unsigned char bits_on, unsigned char bits_off);
-extern unsigned char get_auxio(void); /* .../asm-sparc/floppy.h */
+extern unsigned char get_auxio(void); /* .../asm/floppy.h */
 
 /*
  * The following routines are provided for driver-compatibility

include/asm-sparc/bitops.h → arch/sparc/include/asm/bitops.h

 #ifndef ___ASM_SPARC_BITOPS_H
 #define ___ASM_SPARC_BITOPS_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/bitops_64.h>
+#include <asm/bitops_64.h>
 #else
-#include <asm-sparc/bitops_32.h>
+#include <asm/bitops_32.h>
 #endif
 #endif

include/asm-sparc/btfixup.h → arch/sparc/include/asm/btfixup.h

 /*
- *  asm-sparc/btfixup.h:    Macros for boot time linking.
+ *  asm/btfixup.h:    Macros for boot time linking.
  *
  *  Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
  */

include/asm-sparc/bugs.h → arch/sparc/include/asm/bugs.h

-/* include/asm-sparc/bugs.h:  Sparc probes for various bugs.
+/* include/asm/bugs.h:  Sparc probes for various bugs.
  *
  * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net)
  */

include/asm-sparc/cacheflush.h → arch/sparc/include/asm/cacheflush.h

 #ifndef ___ASM_SPARC_CACHEFLUSH_H
 #define ___ASM_SPARC_CACHEFLUSH_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/cacheflush_64.h>
+#include <asm/cacheflush_64.h>
 #else
-#include <asm-sparc/cacheflush_32.h>
+#include <asm/cacheflush_32.h>
 #endif
 #endif

include/asm-sparc/checksum.h → arch/sparc/include/asm/checksum.h

 #ifndef ___ASM_SPARC_CHECKSUM_H
 #define ___ASM_SPARC_CHECKSUM_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/checksum_64.h>
+#include <asm/checksum_64.h>
 #else
-#include <asm-sparc/checksum_32.h>
+#include <asm/checksum_32.h>
 #endif
 #endif

include/asm-sparc/cpudata.h → arch/sparc/include/asm/cpudata.h

 #ifndef ___ASM_SPARC_CPUDATA_H
 #define ___ASM_SPARC_CPUDATA_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/cpudata_64.h>
+#include <asm/cpudata_64.h>
 #else
-#include <asm-sparc/cpudata_32.h>
+#include <asm/cpudata_32.h>
 #endif
 #endif

include/asm-sparc/cpudata_32.h → arch/sparc/include/asm/cpudata_32.h

@@ -2,7 +2,7 @@
  *
  * Copyright (C) 2004 Keith M Wesolowski (wesolows@foobazco.org)
  *
- * Based on include/asm-sparc64/cpudata.h and Linux 2.4 smp.h
+ * Based on include/asm/cpudata.h and Linux 2.4 smp.h
  * both (C) David S. Miller.
  */
 

include/asm-sparc/current.h → arch/sparc/include/asm/current.h

-/* include/asm-sparc/current.h
+/* include/asm/current.h
  *
  * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
  * Copyright (C) 2002 Pete Zaitcev (zaitcev@yahoo.com)

include/asm-sparc/delay.h → arch/sparc/include/asm/delay.h

 #ifndef ___ASM_SPARC_DELAY_H
 #define ___ASM_SPARC_DELAY_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/delay_64.h>
+#include <asm/delay_64.h>
 #else
-#include <asm-sparc/delay_32.h>
+#include <asm/delay_32.h>
 #endif
 #endif

include/asm-sparc/dma-mapping.h → arch/sparc/include/asm/dma-mapping.h

 #ifndef ___ASM_SPARC_DMA_MAPPING_H
 #define ___ASM_SPARC_DMA_MAPPING_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/dma-mapping_64.h>
+#include <asm/dma-mapping_64.h>
 #else
-#include <asm-sparc/dma-mapping_32.h>
+#include <asm/dma-mapping_32.h>
 #endif
 #endif

include/asm-sparc/dma.h → arch/sparc/include/asm/dma.h

 #ifndef ___ASM_SPARC_DMA_H
 #define ___ASM_SPARC_DMA_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/dma_64.h>
+#include <asm/dma_64.h>
 #else
-#include <asm-sparc/dma_32.h>
+#include <asm/dma_32.h>
 #endif
 #endif

include/asm-sparc/dma_32.h → arch/sparc/include/asm/dma_32.h

-/* include/asm-sparc/dma.h
+/* include/asm/dma.h
  *
  * Copyright 1995 (C) David S. Miller (davem@davemloft.net)
  */

include/asm-sparc/dma_64.h → arch/sparc/include/asm/dma_64.h

 /*
- * include/asm-sparc64/dma.h
+ * include/asm/dma.h
  *
  * Copyright 1996 (C) David S. Miller (davem@caip.rutgers.edu)
  */

include/asm-sparc/ebus.h → arch/sparc/include/asm/ebus.h

 #ifndef ___ASM_SPARC_EBUS_H
 #define ___ASM_SPARC_EBUS_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/ebus_64.h>
+#include <asm/ebus_64.h>
 #else
-#include <asm-sparc/ebus_32.h>
+#include <asm/ebus_32.h>
 #endif
 #endif

include/asm-sparc/elf.h → arch/sparc/include/asm/elf.h

 #ifndef ___ASM_SPARC_ELF_H
 #define ___ASM_SPARC_ELF_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/elf_64.h>
+#include <asm/elf_64.h>
 #else
-#include <asm-sparc/elf_32.h>
+#include <asm/elf_32.h>
 #endif
 #endif

include/asm-sparc/floppy.h → arch/sparc/include/asm/floppy.h

 #ifndef ___ASM_SPARC_FLOPPY_H
 #define ___ASM_SPARC_FLOPPY_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/floppy_64.h>
+#include <asm/floppy_64.h>
 #else
-#include <asm-sparc/floppy_32.h>
+#include <asm/floppy_32.h>
 #endif
 #endif

include/asm-sparc/floppy_32.h → arch/sparc/include/asm/floppy_32.h

-/* asm-sparc/floppy.h: Sparc specific parts of the Floppy driver.
+/* asm/floppy.h: Sparc specific parts of the Floppy driver.
  *
  * Copyright (C) 1995 David S. Miller (davem@davemloft.net)
  */

include/asm-sparc/futex.h → arch/sparc/include/asm/futex.h

 #ifndef ___ASM_SPARC_FUTEX_H
 #define ___ASM_SPARC_FUTEX_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/futex_64.h>
+#include <asm/futex_64.h>
 #else
-#include <asm-sparc/futex_32.h>
+#include <asm/futex_32.h>
 #endif
 #endif

include/asm-sparc/hardirq.h → arch/sparc/include/asm/hardirq.h

 #ifndef ___ASM_SPARC_HARDIRQ_H
 #define ___ASM_SPARC_HARDIRQ_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/hardirq_64.h>
+#include <asm/hardirq_64.h>
 #else
-#include <asm-sparc/hardirq_32.h>
+#include <asm/hardirq_32.h>
 #endif
 #endif

include/asm-sparc/head.h → arch/sparc/include/asm/head.h

 #ifndef ___ASM_SPARC_HEAD_H
 #define ___ASM_SPARC_HEAD_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/head_64.h>
+#include <asm/head_64.h>
 #else
-#include <asm-sparc/head_32.h>
+#include <asm/head_32.h>
 #endif
 #endif

include/asm-sparc/io.h → arch/sparc/include/asm/io.h

 #ifndef ___ASM_SPARC_IO_H
 #define ___ASM_SPARC_IO_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/io_64.h>
+#include <asm/io_64.h>
 #else
-#include <asm-sparc/io_32.h>
+#include <asm/io_32.h>
 #endif
 #endif

include/asm-sparc/iommu.h → arch/sparc/include/asm/iommu.h

 #ifndef ___ASM_SPARC_IOMMU_H
 #define ___ASM_SPARC_IOMMU_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/iommu_64.h>
+#include <asm/iommu_64.h>
 #else
-#include <asm-sparc/iommu_32.h>
+#include <asm/iommu_32.h>
 #endif
 #endif

include/asm-sparc/ipcbuf.h → arch/sparc/include/asm/ipcbuf.h

 #ifndef ___ASM_SPARC_IPCBUF_H
 #define ___ASM_SPARC_IPCBUF_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/ipcbuf_64.h>
+#include <asm/ipcbuf_64.h>
 #else
-#include <asm-sparc/ipcbuf_32.h>
+#include <asm/ipcbuf_32.h>
 #endif
 #endif

include/asm-sparc/irq.h → arch/sparc/include/asm/irq.h

 #ifndef ___ASM_SPARC_IRQ_H
 #define ___ASM_SPARC_IRQ_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/irq_64.h>
+#include <asm/irq_64.h>
 #else
-#include <asm-sparc/irq_32.h>
+#include <asm/irq_32.h>
 #endif
 #endif

include/asm-sparc/irqflags.h → arch/sparc/include/asm/irqflags.h

 #ifndef ___ASM_SPARC_IRQFLAGS_H
 #define ___ASM_SPARC_IRQFLAGS_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/irqflags_64.h>
+#include <asm/irqflags_64.h>
 #else
-#include <asm-sparc/irqflags_32.h>
+#include <asm/irqflags_32.h>
 #endif
 #endif

include/asm-sparc/irqflags_32.h → arch/sparc/include/asm/irqflags_32.h

 /*
- * include/asm-sparc/irqflags.h
+ * include/asm/irqflags.h
  *
  * IRQ flags handling
  *

include/asm-sparc/irqflags_64.h → arch/sparc/include/asm/irqflags_64.h

 /*
- * include/asm-sparc64/irqflags.h
+ * include/asm/irqflags.h
  *
  * IRQ flags handling
  *

include/asm-sparc/kdebug.h → arch/sparc/include/asm/kdebug.h

 #ifndef ___ASM_SPARC_KDEBUG_H
 #define ___ASM_SPARC_KDEBUG_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/kdebug_64.h>
+#include <asm/kdebug_64.h>
 #else
-#include <asm-sparc/kdebug_32.h>
+#include <asm/kdebug_32.h>
 #endif
 #endif

include/asm-sparc/mc146818rtc.h → arch/sparc/include/asm/mc146818rtc.h

 #ifndef ___ASM_SPARC_MC146818RTC_H
 #define ___ASM_SPARC_MC146818RTC_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/mc146818rtc_64.h>
+#include <asm/mc146818rtc_64.h>
 #else
-#include <asm-sparc/mc146818rtc_32.h>
+#include <asm/mc146818rtc_32.h>
 #endif
 #endif

include/asm-sparc/mmu.h → arch/sparc/include/asm/mmu.h

 #ifndef ___ASM_SPARC_MMU_H
 #define ___ASM_SPARC_MMU_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/mmu_64.h>
+#include <asm/mmu_64.h>
 #else
-#include <asm-sparc/mmu_32.h>
+#include <asm/mmu_32.h>
 #endif
 #endif

include/asm-sparc/mmu_context.h → arch/sparc/include/asm/mmu_context.h

 #ifndef ___ASM_SPARC_MMU_CONTEXT_H
 #define ___ASM_SPARC_MMU_CONTEXT_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/mmu_context_64.h>
+#include <asm/mmu_context_64.h>
 #else
-#include <asm-sparc/mmu_context_32.h>
+#include <asm/mmu_context_32.h>
 #endif
 #endif

include/asm-sparc/module.h → arch/sparc/include/asm/module.h

 #ifndef ___ASM_SPARC_MODULE_H
 #define ___ASM_SPARC_MODULE_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/module_64.h>
+#include <asm/module_64.h>
 #else
-#include <asm-sparc/module_32.h>
+#include <asm/module_32.h>
 #endif
 #endif

include/asm-sparc/mostek.h → arch/sparc/include/asm/mostek.h

 #ifndef ___ASM_SPARC_MOSTEK_H
 #define ___ASM_SPARC_MOSTEK_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/mostek_64.h>
+#include <asm/mostek_64.h>
 #else
-#include <asm-sparc/mostek_32.h>
+#include <asm/mostek_32.h>
 #endif
 #endif

include/asm-sparc/of_platform.h → arch/sparc/include/asm/of_platform.h

 #ifndef ___ASM_SPARC_OF_PLATFORM_H
 #define ___ASM_SPARC_OF_PLATFORM_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/of_platform_64.h>
+#include <asm/of_platform_64.h>
 #else
-#include <asm-sparc/of_platform_32.h>
+#include <asm/of_platform_32.h>
 #endif
 #endif

include/asm-sparc/of_platform_32.h → arch/sparc/include/asm/of_platform_32.h

@@ -3,7 +3,7 @@
 /*
  *    Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
  *			 <benh@kernel.crashing.org>
- *    Modified for Sparc by merging parts of asm-sparc/of_device.h
+ *    Modified for Sparc by merging parts of asm/of_device.h
  *		by Stephen Rothwell
  *
  *  This program is free software; you can redistribute it and/or

include/asm-sparc/of_platform_64.h → arch/sparc/include/asm/of_platform_64.h

@@ -3,7 +3,7 @@
 /*
  *    Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
  *			 <benh@kernel.crashing.org>
- *    Modified for Sparc by merging parts of asm-sparc/of_device.h
+ *    Modified for Sparc by merging parts of asm/of_device.h
  *		by Stephen Rothwell
  *
  *  This program is free software; you can redistribute it and/or

include/asm-sparc/openprom.h → arch/sparc/include/asm/openprom.h

 #ifndef ___ASM_SPARC_OPENPROM_H
 #define ___ASM_SPARC_OPENPROM_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/openprom_64.h>
+#include <asm/openprom_64.h>
 #else
-#include <asm-sparc/openprom_32.h>
+#include <asm/openprom_32.h>
 #endif
 #endif

include/asm-sparc/oplib.h → arch/sparc/include/asm/oplib.h

 #ifndef ___ASM_SPARC_OPLIB_H
 #define ___ASM_SPARC_OPLIB_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/oplib_64.h>
+#include <asm/oplib_64.h>
 #else
-#include <asm-sparc/oplib_32.h>
+#include <asm/oplib_32.h>
 #endif
 #endif

include/asm-sparc/page.h → arch/sparc/include/asm/page.h

 #ifndef ___ASM_SPARC_PAGE_H
 #define ___ASM_SPARC_PAGE_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/page_64.h>
+#include <asm/page_64.h>
 #else
-#include <asm-sparc/page_32.h>
+#include <asm/page_32.h>
 #endif
 #endif

include/asm-sparc/pci.h → arch/sparc/include/asm/pci.h

 #ifndef ___ASM_SPARC_PCI_H
 #define ___ASM_SPARC_PCI_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/pci_64.h>
+#include <asm/pci_64.h>
 #else
-#include <asm-sparc/pci_32.h>
+#include <asm/pci_32.h>
 #endif
 #endif

include/asm-sparc/percpu.h → arch/sparc/include/asm/percpu.h

 #ifndef ___ASM_SPARC_PERCPU_H
 #define ___ASM_SPARC_PERCPU_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/percpu_64.h>
+#include <asm/percpu_64.h>
 #else
-#include <asm-sparc/percpu_32.h>
+#include <asm/percpu_32.h>
 #endif
 #endif

include/asm-sparc/pgalloc.h → arch/sparc/include/asm/pgalloc.h

 #ifndef ___ASM_SPARC_PGALLOC_H
 #define ___ASM_SPARC_PGALLOC_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/pgalloc_64.h>
+#include <asm/pgalloc_64.h>
 #else
-#include <asm-sparc/pgalloc_32.h>
+#include <asm/pgalloc_32.h>
 #endif
 #endif

include/asm-sparc/pgtable.h → arch/sparc/include/asm/pgtable.h

 #ifndef ___ASM_SPARC_PGTABLE_H
 #define ___ASM_SPARC_PGTABLE_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/pgtable_64.h>
+#include <asm/pgtable_64.h>
 #else
-#include <asm-sparc/pgtable_32.h>
+#include <asm/pgtable_32.h>
 #endif
 #endif

include/asm-sparc/pgtable_32.h → arch/sparc/include/asm/pgtable_32.h

 #ifndef _SPARC_PGTABLE_H
 #define _SPARC_PGTABLE_H
 
-/*  asm-sparc/pgtable.h:  Defines and functions used to work
+/*  asm/pgtable.h:  Defines and functions used to work
  *                        with Sparc page tables.
  *
  *  Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)

include/asm-sparc/posix_types.h → arch/sparc/include/asm/posix_types.h

 #ifndef ___ASM_SPARC_POSIX_TYPES_H
 #define ___ASM_SPARC_POSIX_TYPES_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/posix_types_64.h>
+#include <asm/posix_types_64.h>
 #else
-#include <asm-sparc/posix_types_32.h>
+#include <asm/posix_types_32.h>
 #endif
 #endif

include/asm-sparc/processor.h → arch/sparc/include/asm/processor.h

 #ifndef ___ASM_SPARC_PROCESSOR_H
 #define ___ASM_SPARC_PROCESSOR_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/processor_64.h>
+#include <asm/processor_64.h>
 #else
-#include <asm-sparc/processor_32.h>
+#include <asm/processor_32.h>
 #endif
 #endif

include/asm-sparc/processor_32.h → arch/sparc/include/asm/processor_32.h

-/* include/asm-sparc/processor.h
+/* include/asm/processor.h
  *
  * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu)
  */
@@ -114,6 +114,7 @@ extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
 
 extern unsigned long get_wchan(struct task_struct *);
 
+#define task_pt_regs(tsk) ((tsk)->thread.kregs)
 #define KSTK_EIP(tsk)  ((tsk)->thread.kregs->pc)
 #define KSTK_ESP(tsk)  ((tsk)->thread.kregs->u_regs[UREG_FP])
 

include/asm-sparc/processor_64.h → arch/sparc/include/asm/processor_64.h

 /*
- * include/asm-sparc64/processor.h
+ * include/asm/processor.h
  *
  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
  */

include/asm-sparc/ptrace.h → arch/sparc/include/asm/ptrace.h

 #ifndef ___ASM_SPARC_PTRACE_H
 #define ___ASM_SPARC_PTRACE_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/ptrace_64.h>
+#include <asm/ptrace_64.h>
 #else
-#include <asm-sparc/ptrace_32.h>
+#include <asm/ptrace_32.h>
 #endif
 #endif

include/asm-sparc/ptrace_32.h → arch/sparc/include/asm/ptrace_32.h

@@ -74,6 +74,7 @@ struct sparc_stackf {
 
 #define user_mode(regs) (!((regs)->psr & PSR_PS))
 #define instruction_pointer(regs) ((regs)->pc)
+#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
 unsigned long profile_pc(struct pt_regs *);
 extern void show_regs(struct pt_regs *);
 #endif

include/asm-sparc/ptrace_64.h → arch/sparc/include/asm/ptrace_64.h

@@ -146,6 +146,7 @@ do {	current_thread_info()->syscall_noerror = 1; \
 } while (0)
 #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
 #define instruction_pointer(regs) ((regs)->tpc)
+#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
 #define regs_return_value(regs) ((regs)->u_regs[UREG_I0])
 #ifdef CONFIG_SMP
 extern unsigned long profile_pc(struct pt_regs *);

include/asm-sparc/reg.h → arch/sparc/include/asm/reg.h

 #ifndef ___ASM_SPARC_REG_H
 #define ___ASM_SPARC_REG_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/reg_64.h>
+#include <asm/reg_64.h>
 #else
-#include <asm-sparc/reg_32.h>
+#include <asm/reg_32.h>
 #endif
 #endif

include/asm-sparc/reg_32.h → arch/sparc/include/asm/reg_32.h

 /*
- * linux/include/asm-sparc/reg.h
+ * linux/include/asm/reg.h
  * Layout of the registers as expected by gdb on the Sparc
  * we should replace the user.h definitions with those in
  * this file, we don't even use the other

include/asm-sparc/reg_64.h → arch/sparc/include/asm/reg_64.h

 /*
- * linux/asm-sparc64/reg.h
+ * linux/asm/reg.h
  * Layout of the registers as expected by gdb on the Sparc
  * we should replace the user.h definitions with those in
  * this file, we don't even use the other

include/asm-sparc/sbus.h → arch/sparc/include/asm/sbus.h

 #ifndef ___ASM_SPARC_SBUS_H
 #define ___ASM_SPARC_SBUS_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/sbus_64.h>
+#include <asm/sbus_64.h>
 #else
-#include <asm-sparc/sbus_32.h>
+#include <asm/sbus_32.h>
 #endif
 #endif

include/asm-sparc/scatterlist.h → arch/sparc/include/asm/scatterlist.h

 #ifndef ___ASM_SPARC_SCATTERLIST_H
 #define ___ASM_SPARC_SCATTERLIST_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/scatterlist_64.h>
+#include <asm/scatterlist_64.h>
 #else
-#include <asm-sparc/scatterlist_32.h>
+#include <asm/scatterlist_32.h>
 #endif
 #endif

include/asm-sparc/sections.h → arch/sparc/include/asm/sections.h

 #ifndef ___ASM_SPARC_SECTIONS_H
 #define ___ASM_SPARC_SECTIONS_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/sections_64.h>
+#include <asm/sections_64.h>
 #else
-#include <asm-sparc/sections_32.h>
+#include <asm/sections_32.h>
 #endif
 #endif

include/asm-sparc/sfp-machine.h → arch/sparc/include/asm/sfp-machine.h

 #ifndef ___ASM_SPARC_SFP_MACHINE_H
 #define ___ASM_SPARC_SFP_MACHINE_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/sfp-machine_64.h>
+#include <asm/sfp-machine_64.h>
 #else
-#include <asm-sparc/sfp-machine_32.h>
+#include <asm/sfp-machine_32.h>
 #endif
 #endif

include/asm-sparc/shmparam.h → arch/sparc/include/asm/shmparam.h

 #ifndef ___ASM_SPARC_SHMPARAM_H
 #define ___ASM_SPARC_SHMPARAM_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/shmparam_64.h>
+#include <asm/shmparam_64.h>
 #else
-#include <asm-sparc/shmparam_32.h>
+#include <asm/shmparam_32.h>
 #endif
 #endif

include/asm-sparc/sigcontext.h → arch/sparc/include/asm/sigcontext.h

 #ifndef ___ASM_SPARC_SIGCONTEXT_H
 #define ___ASM_SPARC_SIGCONTEXT_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/sigcontext_64.h>
+#include <asm/sigcontext_64.h>
 #else
-#include <asm-sparc/sigcontext_32.h>
+#include <asm/sigcontext_32.h>
 #endif
 #endif

include/asm-sparc/siginfo.h → arch/sparc/include/asm/siginfo.h

 #ifndef ___ASM_SPARC_SIGINFO_H
 #define ___ASM_SPARC_SIGINFO_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/siginfo_64.h>
+#include <asm/siginfo_64.h>
 #else
-#include <asm-sparc/siginfo_32.h>
+#include <asm/siginfo_32.h>
 #endif
 #endif

include/asm-sparc/signal.h → arch/sparc/include/asm/signal.h

 #ifndef ___ASM_SPARC_SIGNAL_H
 #define ___ASM_SPARC_SIGNAL_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/signal_64.h>
+#include <asm/signal_64.h>
 #else
-#include <asm-sparc/signal_32.h>
+#include <asm/signal_32.h>
 #endif
 #endif

include/asm-sparc/smp.h → arch/sparc/include/asm/smp.h

 #ifndef ___ASM_SPARC_SMP_H
 #define ___ASM_SPARC_SMP_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/smp_64.h>
+#include <asm/smp_64.h>
 #else
-#include <asm-sparc/smp_32.h>
+#include <asm/smp_32.h>
 #endif
 #endif

include/asm-sparc/spinlock.h → arch/sparc/include/asm/spinlock.h

 #ifndef ___ASM_SPARC_SPINLOCK_H
 #define ___ASM_SPARC_SPINLOCK_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/spinlock_64.h>
+#include <asm/spinlock_64.h>
 #else
-#include <asm-sparc/spinlock_32.h>
+#include <asm/spinlock_32.h>
 #endif
 #endif

include/asm-sparc/stat.h → arch/sparc/include/asm/stat.h

 #ifndef ___ASM_SPARC_STAT_H
 #define ___ASM_SPARC_STAT_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/stat_64.h>
+#include <asm/stat_64.h>
 #else
-#include <asm-sparc/stat_32.h>
+#include <asm/stat_32.h>
 #endif
 #endif

include/asm-sparc/statfs.h → arch/sparc/include/asm/statfs.h

 #ifndef ___ASM_SPARC_STATFS_H
 #define ___ASM_SPARC_STATFS_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/statfs_64.h>
+#include <asm/statfs_64.h>
 #else
-#include <asm-sparc/statfs_32.h>
+#include <asm/statfs_32.h>
 #endif
 #endif

include/asm-sparc/string.h → arch/sparc/include/asm/string.h

 #ifndef ___ASM_SPARC_STRING_H
 #define ___ASM_SPARC_STRING_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/string_64.h>
+#include <asm/string_64.h>
 #else
-#include <asm-sparc/string_32.h>
+#include <asm/string_32.h>
 #endif
 #endif

include/asm-sparc/sunbpp.h → arch/sparc/include/asm/sunbpp.h

 /*
- * include/asm-sparc/sunbpp.h
+ * include/asm/sunbpp.h
  */
 
 #ifndef _ASM_SPARC_SUNBPP_H

arch/sparc/include/asm/syscall.h

+#ifndef __ASM_SPARC_SYSCALL_H
+#define __ASM_SPARC_SYSCALL_H
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <asm/ptrace.h>
+
+/* The system call number is given by the user in %g1 */
+static inline long syscall_get_nr(struct task_struct *task,
+				  struct pt_regs *regs)
+{
+	int syscall_p = pt_regs_is_syscall(regs);
+
+	return (syscall_p ? regs->u_regs[UREG_G1] : -1L);
+}
+
+static inline void syscall_rollback(struct task_struct *task,
+				    struct pt_regs *regs)
+{
+	/* XXX This needs some thought.  On Sparc we don't
+	 * XXX save away the original %o0 value somewhere.
+	 * XXX Instead we hold it in register %l5 at the top
+	 * XXX level trap frame and pass this down to the signal
+	 * XXX dispatch code which is the only place that value
+	 * XXX ever was needed.
+	 */
+}
+
+#ifdef CONFIG_SPARC32
+static inline bool syscall_has_error(struct pt_regs *regs)
+{
+	return (regs->psr & PSR_C) ? true : false;
+}
+static inline void syscall_set_error(struct pt_regs *regs)
+{
+	regs->psr |= PSR_C;
+}
+static inline void syscall_clear_error(struct pt_regs *regs)
+{
+	regs->psr &= ~PSR_C;
+}
+#else
+static inline bool syscall_has_error(struct pt_regs *regs)
+{
+	return (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY)) ? true : false;
+}
+static inline void syscall_set_error(struct pt_regs *regs)
+{
+	regs->tstate |= (TSTATE_XCARRY | TSTATE_ICARRY);
+}
+static inline void syscall_clear_error(struct pt_regs *regs)
+{
+	regs->tstate &= ~(TSTATE_XCARRY | TSTATE_ICARRY);
+}
+#endif
+
+static inline long syscall_get_error(struct task_struct *task,
+				     struct pt_regs *regs)
+{
+	long val = regs->u_regs[UREG_I0];
+
+	return (syscall_has_error(regs) ? -val : 0);
+}
+
+static inline long syscall_get_return_value(struct task_struct *task,
+					    struct pt_regs *regs)
+{
+	long val = regs->u_regs[UREG_I0];
+
+	return val;
+}
+
+static inline void syscall_set_return_value(struct task_struct *task,
+					    struct pt_regs *regs,
+					    int error, long val)
+{
+	if (error) {
+		syscall_set_error(regs);
+		regs->u_regs[UREG_I0] = -error;
+	} else {
+		syscall_clear_error(regs);
+		regs->u_regs[UREG_I0] = val;
+	}
+}
+
+static inline void syscall_get_arguments(struct task_struct *task,
+					 struct pt_regs *regs,
+					 unsigned int i, unsigned int n,
+					 unsigned long *args)
+{
+	int zero_extend = 0;
+	unsigned int j;
+
+#ifdef CONFIG_SPARC64
+	if (test_tsk_thread_flag(task, TIF_32BIT))
+		zero_extend = 1;
+#endif
+
+	for (j = 0; j < n; j++) {
+		unsigned long val = regs->u_regs[UREG_I0 + i + j];
+
+		if (zero_extend)
+			args[j] = (u32) val;
+		else
+			args[j] = val;
+	}
+}
+
+static inline void syscall_set_arguments(struct task_struct *task,
+					 struct pt_regs *regs,
+					 unsigned int i, unsigned int n,
+					 const unsigned long *args)
+{
+	unsigned int j;
+
+	for (j = 0; j < n; j++)
+		regs->u_regs[UREG_I0 + i + j] = args[j];
+}
+
+#endif /* __ASM_SPARC_SYSCALL_H */

include/asm-sparc/system.h → arch/sparc/include/asm/system.h

 #ifndef ___ASM_SPARC_SYSTEM_H
 #define ___ASM_SPARC_SYSTEM_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/system_64.h>
+#include <asm/system_64.h>
 #else
-#include <asm-sparc/system_32.h>
+#include <asm/system_32.h>
 #endif
 #endif

include/asm-sparc/thread_info.h → arch/sparc/include/asm/thread_info.h

 #ifndef ___ASM_SPARC_THREAD_INFO_H
 #define ___ASM_SPARC_THREAD_INFO_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/thread_info_64.h>
+#include <asm/thread_info_64.h>
 #else
-#include <asm-sparc/thread_info_32.h>
+#include <asm/thread_info_32.h>
 #endif
 #endif

include/asm-sparc/thread_info_32.h → arch/sparc/include/asm/thread_info_32.h

@@ -130,7 +130,7 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
  * thread information flag bit numbers
  */
 #define TIF_SYSCALL_TRACE	0	/* syscall trace active */
-/* flag bit 1 is available */
+#define TIF_NOTIFY_RESUME	1	/* callback before returning to user */
 #define TIF_SIGPENDING		2	/* signal pending */
 #define TIF_NEED_RESCHED	3	/* rescheduling necessary */
 #define TIF_RESTORE_SIGMASK	4	/* restore signal mask in do_signal() */
@@ -142,12 +142,17 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
 
 /* as above, but as bit values */
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
+#define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
 #define _TIF_USEDFPU		(1<<TIF_USEDFPU)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 
+#define _TIF_DO_NOTIFY_RESUME_MASK	(_TIF_NOTIFY_RESUME | \
+					 _TIF_SIGPENDING | \
+					 _TIF_RESTORE_SIGMASK)
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_THREAD_INFO_H */

include/asm-sparc/thread_info_64.h → arch/sparc/include/asm/thread_info_64.h

@@ -219,7 +219,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
  *	 nop
  */
 #define TIF_SYSCALL_TRACE	0	/* syscall trace active */
-/* flags bit 1 is available */
+#define TIF_NOTIFY_RESUME	1	/* callback before returning to user */
 #define TIF_SIGPENDING		2	/* signal pending */
 #define TIF_NEED_RESCHED	3	/* rescheduling necessary */
 #define TIF_PERFCTR		4	/* performance counters active */
@@ -239,6 +239,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define TIF_POLLING_NRFLAG	14
 
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
+#define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
 #define _TIF_PERFCTR		(1<<TIF_PERFCTR)
@@ -250,8 +251,9 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 
 #define _TIF_USER_WORK_MASK	((0xff << TI_FLAG_WSAVED_SHIFT) | \
-				 (_TIF_SIGPENDING | \
-				  _TIF_NEED_RESCHED | _TIF_PERFCTR))
+				 _TIF_DO_NOTIFY_RESUME_MASK | \
+				 _TIF_NEED_RESCHED | _TIF_PERFCTR)
+#define _TIF_DO_NOTIFY_RESUME_MASK	(_TIF_NOTIFY_RESUME | _TIF_SIGPENDING)
 
 /*
  * Thread-synchronous status.

include/asm-sparc/timer.h → arch/sparc/include/asm/timer.h

 #ifndef ___ASM_SPARC_TIMER_H
 #define ___ASM_SPARC_TIMER_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/timer_64.h>
+#include <asm/timer_64.h>
 #else
-#include <asm-sparc/timer_32.h>
+#include <asm/timer_32.h>
 #endif
 #endif

include/asm-sparc/timex.h → arch/sparc/include/asm/timex.h

 #ifndef ___ASM_SPARC_TIMEX_H
 #define ___ASM_SPARC_TIMEX_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/timex_64.h>
+#include <asm/timex_64.h>
 #else
-#include <asm-sparc/timex_32.h>
+#include <asm/timex_32.h>
 #endif
 #endif

include/asm-sparc/timex_32.h → arch/sparc/include/asm/timex_32.h

 /*
- * linux/include/asm-sparc/timex.h
+ * linux/include/asm/timex.h
  *
  * sparc architecture timex specifications
  */

include/asm-sparc/timex_64.h → arch/sparc/include/asm/timex_64.h

 /*
- * linux/include/asm-sparc64/timex.h
+ * linux/include/asm/timex.h
  *
  * sparc64 architecture timex specifications
  */

include/asm-sparc/tlb.h → arch/sparc/include/asm/tlb.h

 #ifndef ___ASM_SPARC_TLB_H
 #define ___ASM_SPARC_TLB_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/tlb_64.h>
+#include <asm/tlb_64.h>
 #else
-#include <asm-sparc/tlb_32.h>
+#include <asm/tlb_32.h>
 #endif
 #endif

include/asm-sparc/tlbflush.h → arch/sparc/include/asm/tlbflush.h

 #ifndef ___ASM_SPARC_TLBFLUSH_H
 #define ___ASM_SPARC_TLBFLUSH_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/tlbflush_64.h>
+#include <asm/tlbflush_64.h>
 #else
-#include <asm-sparc/tlbflush_32.h>
+#include <asm/tlbflush_32.h>
 #endif
 #endif

include/asm-sparc/topology.h → arch/sparc/include/asm/topology.h

 #ifndef ___ASM_SPARC_TOPOLOGY_H
 #define ___ASM_SPARC_TOPOLOGY_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/topology_64.h>
+#include <asm/topology_64.h>
 #else
-#include <asm-sparc/topology_32.h>
+#include <asm/topology_32.h>
 #endif
 #endif

include/asm-sparc/uaccess.h → arch/sparc/include/asm/uaccess.h

 #ifndef ___ASM_SPARC_UACCESS_H
 #define ___ASM_SPARC_UACCESS_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/uaccess_64.h>
+#include <asm/uaccess_64.h>
 #else
-#include <asm-sparc/uaccess_32.h>
+#include <asm/uaccess_32.h>
 #endif
 #endif

include/asm-sparc/unistd.h → arch/sparc/include/asm/unistd.h

 #ifndef ___ASM_SPARC_UNISTD_H
 #define ___ASM_SPARC_UNISTD_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/unistd_64.h>
+#include <asm/unistd_64.h>
 #else
-#include <asm-sparc/unistd_32.h>
+#include <asm/unistd_32.h>
 #endif
 #endif

include/asm-sparc/utrap.h → arch/sparc/include/asm/utrap.h

 /*
- * include/asm-sparc64/utrap.h
+ * include/asm/utrap.h
  *
  * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
  */

include/asm-sparc/vaddrs.h → arch/sparc/include/asm/vaddrs.h

@@ -4,7 +4,7 @@
 #include <asm/head.h>
 
 /*
- * asm-sparc/vaddrs.h:  Here we define the virtual addresses at
+ * asm/vaddrs.h:  Here we define the virtual addresses at
  *                      which important things will be mapped.
  *
  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)

include/asm-sparc/xor.h → arch/sparc/include/asm/xor.h

 #ifndef ___ASM_SPARC_XOR_H
 #define ___ASM_SPARC_XOR_H
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm-sparc/xor_64.h>
+#include <asm/xor_64.h>
 #else
-#include <asm-sparc/xor_32.h>
+#include <asm/xor_32.h>
 #endif
 #endif

include/asm-sparc/xor_32.h → arch/sparc/include/asm/xor_32.h

 /*
- * include/asm-sparc/xor.h
+ * include/asm/xor.h
  *
  * Optimized RAID-5 checksumming functions for 32-bit Sparc.
  *

include/asm-sparc/xor_64.h → arch/sparc/include/asm/xor_64.h

 /*
- * include/asm-sparc64/xor.h
+ * include/asm/xor.h
  *
  * High speed xor_block operation for RAID4/5 utilizing the
  * UltraSparc Visual Instruction Set and Niagara block-init

arch/sparc/kernel/entry.S

@@ -1196,8 +1196,9 @@ sys_rt_sigreturn:
 	be	1f
 	 nop
 
+	add	%sp, STACKFRAME_SZ, %o0
 	call	syscall_trace
-	 nop
+	 mov	1, %o1
 
 1:
 	/* We are returning to a signal handler. */
@@ -1287,8 +1288,12 @@ linux_fast_syscall:
 	 mov	%i3, %o3
 
 linux_syscall_trace:
+	add	%sp, STACKFRAME_SZ, %o0
 	call	syscall_trace
-	 nop
+	 mov	0, %o1
+	cmp	%o0, 0
+	bne	3f
+	 mov	-ENOSYS, %o0
 	mov	%i0, %o0
 	mov	%i1, %o1
 	mov	%i2, %o2
@@ -1337,6 +1342,7 @@ syscall_is_too_hard:
 	call	%l7
 	 mov	%i5, %o5
 
+3:
 	st	%o0, [%sp + STACKFRAME_SZ + PT_I0]
 
 ret_sys_call:
@@ -1374,6 +1380,8 @@ ret_sys_call:
 	 st	%l2, [%sp + STACKFRAME_SZ + PT_NPC]
 
 linux_syscall_trace2:
+	add	%sp, STACKFRAME_SZ, %o0
+	mov	1, %o1
 	call	syscall_trace
 	 add	%l1, 0x4, %l2			/* npc = npc+4 */
 	st	%l1, [%sp + STACKFRAME_SZ + PT_PC]

arch/sparc/kernel/ptrace.c

@@ -21,6 +21,7 @@
 #include <linux/signal.h>
 #include <linux/regset.h>
 #include <linux/elf.h>
+#include <linux/tracehook.h>
 
 #include <asm/pgtable.h>
 #include <asm/system.h>
@@ -450,21 +451,16 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	return ret;
 }
 
-asmlinkage void syscall_trace(void)
+asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p)
 {
-	if (!test_thread_flag(TIF_SYSCALL_TRACE))
-		return;
-	if (!(current->ptrace & PT_PTRACED))
-		return;
-	ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
-				 ? 0x80 : 0));
-	/*
-	 * this isn't the same as continuing with a signal, but it will do
-	 * for normal use.  strace only continues with a signal if the
-	 * stopping signal is not SIGTRAP.  -brl
-	 */
-	if (current->exit_code) {
-		send_sig (current->exit_code, current, 1);
-		current->exit_code = 0;
+	int ret = 0;
+
+	if (test_thread_flag(TIF_SYSCALL_TRACE)) {
+		if (syscall_exit_p)
+			tracehook_report_syscall_exit(regs, 0);
+		else
+			ret = tracehook_report_syscall_entry(regs);
 	}
+
+	return ret;
 }

arch/sparc/kernel/rtrap.S

@@ -69,12 +69,13 @@ ret_trap_lockless_ipi:
 
 	ld	[%curptr + TI_FLAGS], %g2
 signal_p:
-	andcc	%g2, (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK), %g0
+	andcc	%g2, _TIF_DO_NOTIFY_RESUME_MASK, %g0
 	bz,a	ret_trap_continue
 	 ld	[%sp + STACKFRAME_SZ + PT_PSR], %t_psr
 
+	mov	%g2, %o2
 	mov	%l5, %o1
-	call	do_signal
+	call	do_notify_resume
 	 add	%sp, STACKFRAME_SZ, %o0	! pt_regs ptr
 
 	/* Fall through. */

arch/sparc/kernel/signal.c

@@ -18,6 +18,7 @@
 #include <linux/smp.h>
 #include <linux/binfmts.h>	/* do_coredum */
 #include <linux/bitops.h>
+#include <linux/tracehook.h>
 
 #include <asm/uaccess.h>
 #include <asm/ptrace.h>
@@ -513,7 +514,7 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
  * mistake.
  */
-asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0)
+static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 {
 	struct k_sigaction ka;
 	int restart_syscall;
@@ -552,6 +553,8 @@ asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0)
 		 */
 		if (test_thread_flag(TIF_RESTORE_SIGMASK))
 			clear_thread_flag(TIF_RESTORE_SIGMASK);
+
+		tracehook_signal_handler(signr, &info, &ka, regs, 0);
 		return;
 	}
 	if (restart_syscall &&
@@ -579,6 +582,17 @@ asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0)
 	}
 }
 
+void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
+		      unsigned long thread_info_flags)
+{
+	if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+		do_signal(regs, orig_i0);
+	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
+		clear_thread_flag(TIF_NOTIFY_RESUME);
+		tracehook_notify_resume(regs);
+	}
+}
+
 asmlinkage int
 do_sys_sigstack(struct sigstack __user *ssptr, struct sigstack __user *ossptr,
 		unsigned long sp)

arch/sparc64/Kconfig

@@ -17,6 +17,7 @@ config SPARC64
 	select HAVE_LMB
 	select HAVE_ARCH_KGDB
 	select USE_GENERIC_SMP_HELPERS if SMP
+	select HAVE_ARCH_TRACEHOOK
 
 config GENERIC_TIME
 	bool

arch/sparc64/kernel/compat_audit.c

-#include <asm-sparc/unistd.h>
+#include <asm/unistd_32.h>
 
 unsigned sparc32_dir_class[] = {
 #include <asm-generic/audit_dir_write.h>

arch/sparc64/kernel/entry.h

@@ -22,8 +22,7 @@ extern void do_notify_resume(struct pt_regs *regs,
 			     unsigned long orig_i0,
 			     unsigned long thread_info_flags);
 
-extern asmlinkage void syscall_trace(struct pt_regs *regs,
-				     int syscall_exit_p);
+extern asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p);
 
 extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
 

arch/sparc64/kernel/ptrace.c

@@ -23,6 +23,7 @@
 #include <linux/audit.h>
 #include <linux/signal.h>
 #include <linux/regset.h>
+#include <linux/tracehook.h>
 #include <linux/compat.h>
 #include <linux/elf.h>
 
@@ -1049,8 +1050,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	return ret;
 }
 
-asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
+asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p)
 {
+	int ret = 0;
+
 	/* do the secure computing check first */
 	secure_computing(regs->u_regs[UREG_G1]);
 
@@ -1064,27 +1067,14 @@ asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
 		audit_syscall_exit(result, regs->u_regs[UREG_I0]);
 	}
 
-	if (!(current->ptrace & PT_PTRACED))
-		goto out;
-
-	if (!test_thread_flag(TIF_SYSCALL_TRACE))
-		goto out;
-
-	ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
-				 ? 0x80 : 0));
-
-	/*
-	 * this isn't the same as continuing with a signal, but it will do
-	 * for normal use.  strace only continues with a signal if the
-	 * stopping signal is not SIGTRAP.  -brl
-	 */
-	if (current->exit_code) {
-		send_sig(current->exit_code, current, 1);
-		current->exit_code = 0;
+	if (test_thread_flag(TIF_SYSCALL_TRACE)) {
+		if (syscall_exit_p)
+			tracehook_report_syscall_exit(regs, 0);
+		else
+			ret = tracehook_report_syscall_entry(regs);
 	}
 
-out:
-	if (unlikely(current->audit_context) && !syscall_exit_p)
+	if (unlikely(current->audit_context) && !syscall_exit_p && !ret)
 		audit_syscall_entry((test_thread_flag(TIF_32BIT) ?
 				     AUDIT_ARCH_SPARC :
 				     AUDIT_ARCH_SPARC64),
@@ -1093,4 +1083,6 @@ asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
 				    regs->u_regs[UREG_I1],
 				    regs->u_regs[UREG_I2],
 				    regs->u_regs[UREG_I3]);
+
+	return ret;
 }

arch/sparc64/kernel/rtrap.S

@@ -46,7 +46,7 @@ __handle_user_windows:
 		wrpr			%g0, RTRAP_PSTATE_IRQOFF, %pstate
 		ldx			[%g6 + TI_FLAGS], %l0
 
-1:		andcc			%l0, _TIF_SIGPENDING, %g0
+1:		andcc			%l0, _TIF_DO_NOTIFY_RESUME_MASK, %g0
 		be,pt			%xcc, __handle_user_windows_continue
 		 nop
 		mov			%l5, %o1
@@ -86,7 +86,7 @@ __handle_perfctrs:
 		 wrpr			%g0, RTRAP_PSTATE, %pstate
 		wrpr			%g0, RTRAP_PSTATE_IRQOFF, %pstate
 		ldx			[%g6 + TI_FLAGS], %l0
-1:		andcc			%l0, _TIF_SIGPENDING, %g0
+1:		andcc			%l0, _TIF_DO_NOTIFY_RESUME_MASK, %g0
 
 		be,pt			%xcc, __handle_perfctrs_continue
 		 sethi			%hi(TSTATE_PEF), %o0
@@ -195,7 +195,7 @@ __handle_preemption_continue:
 		 andcc			%l1, %o0, %g0
 		andcc			%l0, _TIF_NEED_RESCHED, %g0
 		bne,pn			%xcc, __handle_preemption
-		 andcc			%l0, _TIF_SIGPENDING, %g0
+		 andcc			%l0, _TIF_DO_NOTIFY_RESUME_MASK, %g0
 		bne,pn			%xcc, __handle_signal
 __handle_signal_continue:
 		 ldub			[%g6 + TI_WSAVED], %o2

arch/sparc64/kernel/signal.c

@@ -17,11 +17,13 @@
 #include <linux/errno.h>
 #include <linux/wait.h>
 #include <linux/ptrace.h>
+#include <linux/tracehook.h>
 #include <linux/unistd.h>
 #include <linux/mm.h>
 #include <linux/tty.h>
 #include <linux/binfmts.h>
 #include <linux/bitops.h>
+#include <linux/tracehook.h>
 
 #include <asm/uaccess.h>
 #include <asm/ptrace.h>
@@ -574,6 +576,8 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 		 * clear the TS_RESTORE_SIGMASK flag.
 		 */
 		current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
+
+		tracehook_signal_handler(signr, &info, &ka, regs, 0);
 		return;
 	}
 	if (restart_syscall &&
@@ -605,4 +609,8 @@ void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long
 {
 	if (thread_info_flags & _TIF_SIGPENDING)
 		do_signal(regs, orig_i0);
+	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
+		clear_thread_flag(TIF_NOTIFY_RESUME);
+		tracehook_notify_resume(regs);
+	}
 }

arch/sparc64/kernel/signal32.c

@@ -19,6 +19,7 @@
 #include <linux/binfmts.h>
 #include <linux/compat.h>
 #include <linux/bitops.h>
+#include <linux/tracehook.h>
 
 #include <asm/uaccess.h>
 #include <asm/ptrace.h>
@@ -794,6 +795,8 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs,
 		 * clear the TS_RESTORE_SIGMASK flag.
 		 */
 		current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
+
+		tracehook_signal_handler(signr, &info, &ka, regs, 0);
 		return;
 	}
 	if (restart_syscall &&

arch/sparc64/kernel/syscalls.S

@@ -162,6 +162,8 @@ linux_syscall_trace32:
 	add	%sp, PTREGS_OFF, %o0
 	call	syscall_trace
 	 clr	%o1
+	brnz,pn	%o0, 3f
+	 mov	-ENOSYS, %o0
 	srl	%i0, 0, %o0
 	srl	%i4, 0, %o4
 	srl	%i1, 0, %o1
@@ -173,6 +175,8 @@ linux_syscall_trace:
 	add	%sp, PTREGS_OFF, %o0
 	call	syscall_trace
 	 clr	%o1
+	brnz,pn	%o0, 3f
+	 mov	-ENOSYS, %o0
 	mov	%i0, %o0
 	mov	%i1, %o1
 	mov	%i2, %o2

include/asm-sparc/Kbuild

-# dummy file to avoid breaking make headers_install

include/asm-sparc64/Kbuild

-# dummy file to avoid breaking make headers_install

include/asm-sparc64/agp.h

-#include <asm-sparc/agp.h>

include/asm-sparc64/apb.h

-#include <asm-sparc/apb.h>

include/asm-sparc64/asi.h

-#include <asm-sparc/asi.h>

include/asm-sparc64/atomic.h

-#include <asm-sparc/atomic.h>

include/asm-sparc64/auxio.h

-#include <asm-sparc/auxio.h>

include/asm-sparc64/auxvec.h

-#include <asm-sparc/auxvec.h>

include/asm-sparc64/backoff.h

-#include <asm-sparc/backoff.h>

include/asm-sparc64/bbc.h

-#include <asm-sparc/bbc.h>

include/asm-sparc64/bitops.h

-#include <asm-sparc/bitops.h>

include/asm-sparc64/bpp.h

-#include <asm-sparc/bpp.h>

include/asm-sparc64/bug.h

-#include <asm-sparc/bug.h>

include/asm-sparc64/bugs.h

-#include <asm-sparc/bugs.h>

include/asm-sparc64/byteorder.h

-#include <asm-sparc/byteorder.h>

include/asm-sparc64/cache.h

-#include <asm-sparc/cache.h>

include/asm-sparc64/cacheflush.h

-#include <asm-sparc/cacheflush.h>

include/asm-sparc64/chafsr.h

-#include <asm-sparc/chafsr.h>

include/asm-sparc64/checksum.h

-#include <asm-sparc/checksum.h>

include/asm-sparc64/chmctrl.h

-#include <asm-sparc/chmctrl.h>

include/asm-sparc64/cmt.h

-#include <asm-sparc/cmt.h>

include/asm-sparc64/compat.h

-#include <asm-sparc/compat.h>

include/asm-sparc64/compat_signal.h

-#include <asm-sparc/compat_signal.h>

include/asm-sparc64/cpudata.h

-#include <asm-sparc/cpudata.h>

include/asm-sparc64/cputime.h

-#include <asm-sparc/cputime.h>

include/asm-sparc64/current.h

-#include <asm-sparc/current.h>

include/asm-sparc64/dcr.h

-#include <asm-sparc/dcr.h>

include/asm-sparc64/dcu.h

-#include <asm-sparc/dcu.h>

include/asm-sparc64/delay.h

-#include <asm-sparc/delay.h>

include/asm-sparc64/device.h

-#include <asm-sparc/device.h>

include/asm-sparc64/display7seg.h

-#include <asm-sparc/display7seg.h>

include/asm-sparc64/div64.h

-#include <asm-sparc/div64.h>

include/asm-sparc64/dma-mapping.h

-#include <asm-sparc/dma-mapping.h>

include/asm-sparc64/dma.h

-#include <asm-sparc/dma.h>

include/asm-sparc64/ebus.h

-#include <asm-sparc/ebus.h>

include/asm-sparc64/elf.h

-#include <asm-sparc/elf.h>

include/asm-sparc64/emergency-restart.h

-#include <asm-sparc/emergency-restart.h>

include/asm-sparc64/envctrl.h

-#include <asm-sparc/envctrl.h>

include/asm-sparc64/errno.h

-#include <asm-sparc/errno.h>

include/asm-sparc64/estate.h

-#include <asm-sparc/estate.h>

include/asm-sparc64/fb.h

-#include <asm-sparc/fb.h>

include/asm-sparc64/fbio.h

-#include <asm-sparc/fbio.h>

include/asm-sparc64/fcntl.h

-#include <asm-sparc/fcntl.h>

include/asm-sparc64/fhc.h

-#include <asm-sparc/fhc.h>

include/asm-sparc64/floppy.h

-#include <asm-sparc/floppy.h>

include/asm-sparc64/fpumacro.h

-#include <asm-sparc/fpumacro.h>

include/asm-sparc64/futex.h

-#include <asm-sparc/futex.h>

include/asm-sparc64/hardirq.h

-#include <asm-sparc/hardirq.h>

include/asm-sparc64/head.h

-#include <asm-sparc/head.h>

include/asm-sparc64/hugetlb.h

-#include <asm-sparc/hugetlb.h>

include/asm-sparc64/hvtramp.h

-#include <asm-sparc/hvtramp.h>

include/asm-sparc64/hw_irq.h

-#include <asm-sparc/hw_irq.h>

include/asm-sparc64/hypervisor.h

-#include <asm-sparc/hypervisor.h>

include/asm-sparc64/ide.h

-#include <asm-sparc/ide.h>

include/asm-sparc64/idprom.h

-#include <asm-sparc/idprom.h>

include/asm-sparc64/intr_queue.h

-#include <asm-sparc/intr_queue.h>

include/asm-sparc64/io.h

-#include <asm-sparc/io.h>

include/asm-sparc64/ioctl.h

-#include <asm-sparc/ioctl.h>

include/asm-sparc64/ioctls.h

-#include <asm-sparc/ioctls.h>

include/asm-sparc64/iommu.h

-#include <asm-sparc/iommu.h>

include/asm-sparc64/ipcbuf.h

-#include <asm-sparc/ipcbuf.h>

include/asm-sparc64/irq.h

-#include <asm-sparc/irq.h>

include/asm-sparc64/irq_regs.h

-#include <asm-sparc/irq_regs.h>

include/asm-sparc64/irqflags.h

-#include <asm-sparc/irqflags.h>

include/asm-sparc64/kdebug.h

-#include <asm-sparc/kdebug.h>

include/asm-sparc64/kgdb.h

-#include <asm-sparc/kgdb.h>

include/asm-sparc64/kmap_types.h

-#include <asm-sparc/kmap_types.h>

include/asm-sparc64/kprobes.h

-#include <asm-sparc/kprobes.h>

include/asm-sparc64/ldc.h

-#include <asm-sparc/ldc.h>

include/asm-sparc64/linkage.h

-#include <asm-sparc/linkage.h>

include/asm-sparc64/lmb.h

-#include <asm-sparc/lmb.h>

include/asm-sparc64/local.h

-#include <asm-generic/local.h>

include/asm-sparc64/lsu.h

-#include <asm-sparc/lsu.h>

include/asm-sparc64/mc146818rtc.h

-#include <asm-sparc/mc146818rtc.h>

include/asm-sparc64/mdesc.h

-#include <asm-sparc/mdesc.h>

include/asm-sparc64/mman.h

-#include <asm-sparc/mman.h>

include/asm-sparc64/mmu.h

-#include <asm-sparc/mmu.h>

include/asm-sparc64/mmu_context.h

-#include <asm-sparc/mmu_context.h>

include/asm-sparc64/mmzone.h

-#include <asm-sparc/mmzone.h>

include/asm-sparc64/module.h

-#include <asm-sparc/module.h>

include/asm-sparc64/mostek.h

-#include <asm-sparc/mostek.h>

include/asm-sparc64/msgbuf.h

-#include <asm-sparc/msgbuf.h>

include/asm-sparc64/mutex.h

-#include <asm-sparc/mutex.h>

include/asm-sparc64/ns87303.h

-#include <asm-sparc/ns87303.h>

include/asm-sparc64/of_device.h

-#include <asm-sparc/of_device.h>

include/asm-sparc64/of_platform.h

-#include <asm-sparc/of_platform.h>

include/asm-sparc64/openprom.h

-#include <asm-sparc/openprom.h>

include/asm-sparc64/openpromio.h

-#include <asm-sparc/openpromio.h>

include/asm-sparc64/oplib.h

-#include <asm-sparc/oplib.h>

include/asm-sparc64/page.h

-#include <asm-sparc/page.h>

include/asm-sparc64/param.h

-#include <asm-sparc/param.h>

include/asm-sparc64/parport.h

-#include <asm-sparc/parport.h>

include/asm-sparc64/pci.h

-#include <asm-sparc/pci.h>

include/asm-sparc64/percpu.h

-#include <asm-sparc/percpu.h>

include/asm-sparc64/perfctr.h

-#include <asm-sparc/perfctr.h>

include/asm-sparc64/pgalloc.h

-#include <asm-sparc/pgalloc.h>

include/asm-sparc64/pgtable.h

-#include <asm-sparc/pgtable.h>

include/asm-sparc64/pil.h

-#include <asm-sparc/pil.h>

include/asm-sparc64/poll.h

-#include <asm-sparc/poll.h>

include/asm-sparc64/posix_types.h

-#include <asm-sparc/posix_types.h>

include/asm-sparc64/processor.h

-#include <asm-sparc/processor.h>

include/asm-sparc64/prom.h

-#include <asm-sparc/prom.h>

include/asm-sparc64/psrcompat.h

-#include <asm-sparc/psrcompat.h>

include/asm-sparc64/pstate.h

-#include <asm-sparc/pstate.h>

include/asm-sparc64/ptrace.h

-#include <asm-sparc/ptrace.h>

include/asm-sparc64/reboot.h

-#include <asm-sparc/reboot.h>

include/asm-sparc64/reg.h

-#include <asm-sparc/reg.h>

include/asm-sparc64/resource.h

-#include <asm-sparc/resource.h>

include/asm-sparc64/rtc.h

-#include <asm-sparc/rtc.h>

include/asm-sparc64/rwsem-const.h

-#include <asm-sparc/rwsem-const.h>

include/asm-sparc64/rwsem.h

-#include <asm-sparc/rwsem.h>

include/asm-sparc64/sbus.h

-#include <asm-sparc/sbus.h>

include/asm-sparc64/scatterlist.h

-#include <asm-sparc/scatterlist.h>

include/asm-sparc64/scratchpad.h

-#include <asm-sparc/scratchpad.h>

include/asm-sparc64/seccomp.h

-#include <asm-sparc/seccomp.h>

include/asm-sparc64/sections.h

-#include <asm-sparc/sections.h>

include/asm-sparc64/sembuf.h

-#include <asm-sparc/sembuf.h>

include/asm-sparc64/setup.h

-#include <asm-sparc/setup.h>

include/asm-sparc64/sfafsr.h

-#include <asm-sparc/sfafsr.h>

include/asm-sparc64/sfp-machine.h

-#include <asm-sparc/sfp-machine.h>

include/asm-sparc64/shmbuf.h

-#include <asm-sparc/shmbuf.h>

include/asm-sparc64/shmparam.h

-#include <asm-sparc/shmparam.h>

include/asm-sparc64/sigcontext.h

-#include <asm-sparc/sigcontext.h>

include/asm-sparc64/siginfo.h

-#include <asm-sparc/siginfo.h>

include/asm-sparc64/signal.h

-#include <asm-sparc/signal.h>

include/asm-sparc64/smp.h

-#include <asm-sparc/smp.h>

include/asm-sparc64/socket.h

-#include <asm-sparc/socket.h>

include/asm-sparc64/sockios.h

-#include <asm-sparc/sockios.h>

include/asm-sparc64/sparsemem.h

-#include <asm-sparc/sparsemem.h>

include/asm-sparc64/spinlock.h

-#include <asm-sparc/spinlock.h>

include/asm-sparc64/spinlock_types.h

-#include <asm-sparc/spinlock_types.h>

include/asm-sparc64/spitfire.h

-#include <asm-sparc/spitfire.h>

include/asm-sparc64/sstate.h

-#include <asm-sparc/sstate.h>

include/asm-sparc64/stacktrace.h

-#include <asm-sparc/stacktrace.h>

include/asm-sparc64/starfire.h

-#include <asm-sparc/starfire.h>

include/asm-sparc64/stat.h

-#include <asm-sparc/stat.h>

include/asm-sparc64/statfs.h

-#include <asm-sparc/statfs.h>

include/asm-sparc64/string.h

-#include <asm-sparc/string.h>

include/asm-sparc64/sunbpp.h

-#include <asm-sparc/sunbpp.h>

include/asm-sparc64/syscalls.h

-#include <asm-sparc/syscalls.h>

include/asm-sparc64/system.h

-#include <asm-sparc/system.h>

include/asm-sparc64/termbits.h

-#include <asm-sparc/termbits.h>

include/asm-sparc64/termios.h

-#include <asm-sparc/termios.h>

include/asm-sparc64/thread_info.h

-#include <asm-sparc/thread_info.h>

include/asm-sparc64/timer.h

-#include <asm-sparc/timer.h>

include/asm-sparc64/timex.h

-#include <asm-sparc/timex.h>

include/asm-sparc64/tlb.h

-#include <asm-sparc/tlb.h>

include/asm-sparc64/tlbflush.h

-#include <asm-sparc/tlbflush.h>

include/asm-sparc64/topology.h

-#include <asm-sparc/topology.h>

include/asm-sparc64/tsb.h

-#include <asm-sparc/tsb.h>

include/asm-sparc64/ttable.h

-#include <asm-sparc/ttable.h>

include/asm-sparc64/types.h

-#include <asm-sparc/types.h>

include/asm-sparc64/uaccess.h

-#include <asm-sparc/uaccess.h>

include/asm-sparc64/uctx.h

-#include <asm-sparc/uctx.h>

include/asm-sparc64/unaligned.h

-#include <asm-sparc/unaligned.h>

include/asm-sparc64/unistd.h

-#include <asm-sparc/unistd.h>

include/asm-sparc64/upa.h

-#include <asm-sparc/upa.h>

include/asm-sparc64/user.h

-#include <asm-sparc/user.h>

include/asm-sparc64/utrap.h

-#include <asm-sparc/utrap.h>

include/asm-sparc64/vga.h

-#include <asm-sparc/vga.h>

include/asm-sparc64/vio.h

-#include <asm-sparc/vio.h>

include/asm-sparc64/visasm.h

-#include <asm-sparc/visasm.h>

include/asm-sparc64/watchdog.h

-#include <asm-sparc/watchdog.h>

include/asm-sparc64/xor.h

-#include <asm-sparc/xor.h>