3 files changed, 16 insertions, 13 deletions

diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h
index f17c42aff7ff..ae700f49e51d 100644
--- a/arch/m68k/include/asm/processor.h
+++ b/arch/m68k/include/asm/processor.h
@@ -100,6 +100,16 @@ struct thread_struct {
         .fs     = __KERNEL_DS,                                          \
 }
 
+/*
+ * ColdFire stack format sbould be 0x4 for an aligned usp (will always be
+ * true on thread creation). We need to set this explicitly.
+ */
+#ifdef CONFIG_COLDFIRE
+#define setframeformat(_regs)   do { (_regs)->format = 0x4; } while(0)
+#else
+#define setframeformat(_regs)   do { } while (0)
+#endif
+
 #ifdef CONFIG_MMU
 /*
  * Do necessary setup to start up a newly executed thread.
@@ -109,6 +119,7 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc,
 {
         regs->pc = pc;
         regs->sr &= ~0x2000;
+        setframeformat(regs);
         wrusp(usp);
 }
 
@@ -116,21 +127,11 @@ extern int handle_kernel_fault(struct pt_regs *regs);
 
 #else
 
-/*
- * Coldfire stacks need to be re-aligned on trap exit, conventional
- * 68k can handle this case cleanly.
- */
-#ifdef CONFIG_COLDFIRE
-#define reformat(_regs)         do { (_regs)->format = 0x4; } while(0)
-#else
-#define reformat(_regs)         do { } while (0)
-#endif
-
 #define start_thread(_regs, _pc, _usp)                  \
 do {                                                    \
         (_regs)->pc = (_pc);                            \
         ((struct switch_stack *)(_regs))[-1].a6 = 0;    \
-        reformat(_regs);                                \
+        setframeformat(_regs);                          \
         if (current->mm)                                \
                 (_regs)->d5 = current->mm->start_data;  \
         (_regs)->sr &= ~0x2000;                         \
@@ -153,8 +154,6 @@ static inline void release_thread(struct task_struct *dead_task)
 {
 }
 
-extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-
 /*
  * Free current thread data structures etc..
  */
diff --git a/arch/m68k/include/asm/ptrace.h b/arch/m68k/include/asm/ptrace.h
index 65322b17b6cf..5e08b597f012 100644
--- a/arch/m68k/include/asm/ptrace.h
+++ b/arch/m68k/include/asm/ptrace.h
@@ -85,6 +85,8 @@ struct switch_stack {
 #define user_mode(regs) (!((regs)->sr & PS_S))
 #define instruction_pointer(regs) ((regs)->pc)
 #define profile_pc(regs) instruction_pointer(regs)
+#define current_pt_regs() \
+        (struct pt_regs *)((char *)current_thread_info() + THREAD_SIZE) - 1
 
 #define arch_has_single_step()  (1)
 
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 045cfd6a9e31..c702ad716791 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -382,6 +382,8 @@
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_RT_SIGACTION
 #define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_EXECVE
+#define __ARCH_WANT_KERNEL_EXECVE
 
 /*
  * "Conditional" syscalls