ARM: Use a definition for the userspace cmpxchg emulation syscall
Use a definition for the cmpxchg SWI instead of hard-coding the number.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 1bbda04..3f361a7 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -528,7 +528,7 @@
* __kuser_cmpxchg code in entry-armv.S should be aware of its
* existence. Don't ever use this from user code.
*/
- case 0xfff0:
+ case NR(cmpxchg):
for (;;) {
extern void do_DataAbort(unsigned long addr, unsigned int fsr,
struct pt_regs *regs);