6 files changed, 37 insertions, 14 deletions

diff --git a/arch/um/Makefile b/arch/um/Makefile
index b15f6048caae..577b8d1cf1a6 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -197,6 +197,22 @@ define filechk_umlconfig
         sed 's/ CONFIG/ UML_CONFIG/'
 endef
 
+define filechk_gen-asm-offsets
+        (set -e; \
+         echo "#ifndef __ASM_OFFSETS_H__"; \
+         echo "#define __ASM_OFFSETS_H__"; \
+         echo "/*"; \
+         echo " * DO NOT MODIFY."; \
+         echo " *"; \
+         echo " * This file was generated by arch/$(ARCH)/Makefile"; \
+         echo " *"; \
+         echo " */"; \
+         echo ""; \
+         sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \
+         echo ""; \
+         echo "#endif" )
+endef
+
 $(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h
         $(call filechk,umlconfig)
 
diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64
index baddb5d64ca5..436abbba409b 100644
--- a/arch/um/Makefile-x86_64
+++ b/arch/um/Makefile-x86_64
@@ -8,6 +8,7 @@ START := 0x60000000
 #it's needed for headers to work!
 CFLAGS += -U__$(SUBARCH)__ -fno-builtin
 USER_CFLAGS += -fno-builtin
+CHECKFLAGS  += -m64
 
 ELF_ARCH := i386:x86-64
 ELF_FORMAT := elf64-x86-64
diff --git a/arch/um/kernel/asm-offsets.c b/arch/um/kernel/asm-offsets.c
new file mode 100644
index 000000000000..c13a64a288f6
--- /dev/null
+++ b/arch/um/kernel/asm-offsets.c
@@ -0,0 +1 @@
+/* Dummy file to make kbuild happy - unused! */
diff --git a/arch/um/kernel/skas/include/uaccess-skas.h b/arch/um/kernel/skas/include/uaccess-skas.h
index cd6c280482cb..6ee3f3902e68 100644
--- a/arch/um/kernel/skas/include/uaccess-skas.h
+++ b/arch/um/kernel/skas/include/uaccess-skas.h
@@ -18,18 +18,18 @@
           ((unsigned long) (addr) + (size) <= FIXADDR_USER_END) && \
           ((unsigned long) (addr) + (size) >= (unsigned long)(addr))))
 
-static inline int verify_area_skas(int type, const void * addr,
+static inline int verify_area_skas(int type, const void __user * addr,
                                    unsigned long size)
 {
         return(access_ok_skas(type, addr, size) ? 0 : -EFAULT);
 }
 
-extern int copy_from_user_skas(void *to, const void *from, int n);
-extern int copy_to_user_skas(void *to, const void *from, int n);
-extern int strncpy_from_user_skas(char *dst, const char *src, int count);
-extern int __clear_user_skas(void *mem, int len);
-extern int clear_user_skas(void *mem, int len);
-extern int strnlen_user_skas(const void *str, int len);
+extern int copy_from_user_skas(void *to, const void __user *from, int n);
+extern int copy_to_user_skas(void __user *to, const void *from, int n);
+extern int strncpy_from_user_skas(char *dst, const char __user *src, int count);
+extern int __clear_user_skas(void __user *mem, int len);
+extern int clear_user_skas(void __user *mem, int len);
+extern int strnlen_user_skas(const void __user *str, int len);
 
 #endif
 
diff --git a/arch/um/kernel/tt/include/uaccess-tt.h b/arch/um/kernel/tt/include/uaccess-tt.h
index 3fbb5fe26f49..aa6db384af80 100644
--- a/arch/um/kernel/tt/include/uaccess-tt.h
+++ b/arch/um/kernel/tt/include/uaccess-tt.h
@@ -33,7 +33,7 @@ extern unsigned long uml_physmem;
          (((unsigned long) (addr) <= ((unsigned long) (addr) + (size))) && \
           (under_task_size(addr, size) || is_stack(addr, size))))
 
-static inline int verify_area_tt(int type, const void * addr,
+static inline int verify_area_tt(int type, const void __user * addr,
                                  unsigned long size)
 {
         return(access_ok_tt(type, addr, size) ? 0 : -EFAULT);
@@ -50,12 +50,12 @@ extern int __do_clear_user(void *mem, size_t len, void **fault_addr,
 extern int __do_strnlen_user(const char *str, unsigned long n,
                              void **fault_addr, void **fault_catcher);
 
-extern int copy_from_user_tt(void *to, const void *from, int n);
-extern int copy_to_user_tt(void *to, const void *from, int n);
-extern int strncpy_from_user_tt(char *dst, const char *src, int count);
-extern int __clear_user_tt(void *mem, int len);
-extern int clear_user_tt(void *mem, int len);
-extern int strnlen_user_tt(const void *str, int len);
+extern int copy_from_user_tt(void *to, const void __user *from, int n);
+extern int copy_to_user_tt(void __user *to, const void *from, int n);
+extern int strncpy_from_user_tt(char *dst, const char __user *src, int count);
+extern int __clear_user_tt(void __user *mem, int len);
+extern int clear_user_tt(void __user *mem, int len);
+extern int strnlen_user_tt(const void __user *str, int len);
 
 #endif
 
diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules
index 17f305b6bade..59a1291f477e 100644
--- a/arch/um/scripts/Makefile.rules
+++ b/arch/um/scripts/Makefile.rules
@@ -9,6 +9,11 @@ USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file))
 
 $(USER_OBJS) : c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) \
         $(CFLAGS_$(notdir $@))
+$(USER_OBJS): cmd_checksrc =
+$(USER_OBJS): quiet_cmd_checksrc =
+$(USER_OBJS): cmd_force_checksrc =
+$(USER_OBJS): quiet_cmd_force_checksrc =
+
 
 # The stubs and unmap.o can't try to call mcount or update basic block data
 define unprofile