• Move the 'done1' label down below the unlock of the proc lock and move the locking of the proc lock after the goto to done1 to avoid locking the lock in an error case just so we can turn around and unlock it.
• Move the exec_setregs() stuff out from under the proc lock and after the p_args stuff. This allows exec_setregs() to be able to sleep or write things out to userland, etc. which ia64 does.

Tested by: peter