4 files changed, 26 insertions, 23 deletions

diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index 0448a2c8eafb..3387307cc33e 100644
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -183,6 +183,13 @@ typedef struct compat_siginfo {
 			int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
 			int _fd;
 		} _sigpoll;
+
+		/* SIGSYS */
+		struct {
+			compat_uptr_t _call_addr; /* calling user insn */
+			int _syscall;	/* triggering system call number */
+			compat_uint_t _arch;	/* AUDIT_ARCH_* of syscall */
+		} _sigsys;
 	} _sifields;
 } compat_siginfo_t;
 
diff --git a/arch/parisc/include/asm/ftrace.h b/arch/parisc/include/asm/ftrace.h
index 544ed8ef87eb..24cd81d58d70 100644
--- a/arch/parisc/include/asm/ftrace.h
+++ b/arch/parisc/include/asm/ftrace.h
@@ -4,23 +4,7 @@
 #ifndef __ASSEMBLY__
 extern void mcount(void);
 
-/*
- * Stack of return addresses for functions of a thread.
- * Used in struct thread_info
- */
-struct ftrace_ret_stack {
-	unsigned long ret;
-	unsigned long func;
-	unsigned long long calltime;
-};
-
-/*
- * Primary handler of a function return.
- * It relays on ftrace_return_to_handler.
- * Defined in entry.S
- */
-extern void return_to_handler(void);
-
+#define MCOUNT_INSN_SIZE 4
 
 extern unsigned long return_address(unsigned int);
 
diff --git a/arch/parisc/include/asm/syscall.h b/arch/parisc/include/asm/syscall.h
index a5eba95d87fe..637ce8d6f375 100644
--- a/arch/parisc/include/asm/syscall.h
+++ b/arch/parisc/include/asm/syscall.h
@@ -39,6 +39,19 @@ static inline void syscall_get_arguments(struct task_struct *tsk,
 	}
 }
 
+static inline void syscall_set_return_value(struct task_struct *task,
+					    struct pt_regs *regs,
+					    int error, long val)
+{
+	regs->gr[28] = error ? error : val;
+}
+
+static inline void syscall_rollback(struct task_struct *task,
+				    struct pt_regs *regs)
+{
+	/* do nothing */
+}
+
 static inline int syscall_get_arch(void)
 {
 	int arch = AUDIT_ARCH_PARISC;
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index d4dd6e58682c..7955e43f3f3f 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -44,20 +44,18 @@ static inline long access_ok(int type, const void __user * addr,
 #define LDD_USER(ptr)		BUILD_BUG()
 #define STD_KERNEL(x, ptr)	__put_kernel_asm64(x, ptr)
 #define STD_USER(x, ptr)	__put_user_asm64(x, ptr)
-#define ASM_WORD_INSN		".word\t"
 #else
 #define LDD_KERNEL(ptr)		__get_kernel_asm("ldd", ptr)
 #define LDD_USER(ptr)		__get_user_asm("ldd", ptr)
 #define STD_KERNEL(x, ptr)	__put_kernel_asm("std", x, ptr)
 #define STD_USER(x, ptr)	__put_user_asm("std", x, ptr)
-#define ASM_WORD_INSN		".dword\t"
 #endif
 
 /*
- * The exception table contains two values: the first is an address
- * for an instruction that is allowed to fault, and the second is
- * the address to the fixup routine. Even on a 64bit kernel we could
- * use a 32bit (unsigned int) address here.
+ * The exception table contains two values: the first is the relative offset to
+ * the address of the instruction that is allowed to fault, and the second is
+ * the relative offset to the address of the fixup routine. Since relative
+ * addresses are used, 32bit values are sufficient even on 64bit kernel.
  */
 
 #define ARCH_HAS_RELATIVE_EXTABLE
@@ -77,6 +75,7 @@ struct exception_table_entry {
  */
 struct exception_data {
 	unsigned long fault_ip;
+	unsigned long fault_gp;
 	unsigned long fault_space;
 	unsigned long fault_addr;
 };