[V2 2/3] ARM: add TRACEHOOK support

[Will Deacon]

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