parisc: mark xchg functions notrace

tracing the xchg functions leads to recursion in various
places. Therefore mark the function as notrace.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Helge Deller <deller@gmx.de>

arch/parisc/lib/bitops.c

@@ -18,7 +18,7 @@ arch_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned = {
 #endif
 
 #ifdef CONFIG_64BIT
-unsigned long __xchg64(unsigned long x, volatile unsigned long *ptr)
+unsigned long notrace __xchg64(unsigned long x, volatile unsigned long *ptr)
 {
 	unsigned long temp, flags;
 
@@ -30,7 +30,7 @@ unsigned long __xchg64(unsigned long x, volatile unsigned long *ptr)
 }
 #endif
 
-unsigned long __xchg32(int x, volatile int *ptr)
+unsigned long notrace __xchg32(int x, volatile int *ptr)
 {
 	unsigned long flags;
 	long temp;
@@ -43,7 +43,7 @@ unsigned long __xchg32(int x, volatile int *ptr)
 }
 
 
-unsigned long __xchg8(char x, volatile char *ptr)
+unsigned long notrace __xchg8(char x, volatile char *ptr)
 {
 	unsigned long flags;
 	long temp;
@@ -56,7 +56,7 @@ unsigned long __xchg8(char x, volatile char *ptr)
 }
 
 
-u64 __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new)
+u64 notrace __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new)
 {
 	unsigned long flags;
 	u64 prev;
@@ -68,7 +68,7 @@ u64 __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new)
 	return prev;
 }
 
-unsigned long __cmpxchg_u32(volatile unsigned int *ptr, unsigned int old, unsigned int new)
+unsigned long notrace __cmpxchg_u32(volatile unsigned int *ptr, unsigned int old, unsigned int new)
 {
 	unsigned long flags;
 	unsigned int prev;
@@ -80,7 +80,7 @@ unsigned long __cmpxchg_u32(volatile unsigned int *ptr, unsigned int old, unsign
 	return (unsigned long)prev;
 }
 
-u8 __cmpxchg_u8(volatile u8 *ptr, u8 old, u8 new)
+u8 notrace __cmpxchg_u8(volatile u8 *ptr, u8 old, u8 new)
 {
 	unsigned long flags;
 	u8 prev;