title: Hard real time in user space with preempt_rt patch
body: <p>From: <a href="https://rt.wiki.kernel.org/articles/f/r/e/Frequently_Asked_Questions_7407.html" rel="nofollow">https://rt.wiki.kernel.org/articles/f/r/e/Frequently_Asked_Questions_7407.html</a></p>
  
  <blockquote>
    <p>Real-time only has impact on the kernel; Userspace does not notice the difference except for better real time behavior.</p>
  </blockquote>
  
  <p>Does it mean that if we write the applications in user space, they won't get the hard real time effect?</p>