[V2 2/3] ARM: add TRACEHOOK support

Minor nit (pedantry):

On Wed, Nov 30, 2011 at 02:46:21PM +0000, Steven Walter wrote:

+        if (why) {
+                tracehook_report_syscall_exit(regs, 0);
+        } else {
+                if (tracehook_report_syscall_entry(regs))
+                        current_thread_info()->syscall = -1;
+        }

You could bang the second if next to the else and lose the braces.

Will