K 10 svn:author V 3 mjg K 8 svn:date V 27 2018-05-07T22:29:32.141012Z K 7 svn:log V 400 Avoid calls to syscall_thread_enter/exit for statically defined syscalls The entire mechanism is rarely used and is quite not performant due to atomci ops on the syscall table. It also has added overhead for completely unrelated syscalls. Reduce it by avoiding the func calls if possible (which consistutes vast majority of cases). Provides about 3% syscall rate speed up for getuid on Broadwell. END