From mboxrd@z Thu Jan  1 00:00:00 1970
From: ishubist@gmail.com (Abhishek Bist)
Date: Mon, 27 Apr 2015 18:48:45 +0530
Subject: Semaphore and Spinlock
Message-ID: <20150427131845.GA4671@localhost.localdomain>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

[ Semaphores are a bit like spinlocks, except the holder of a semaphore is a process, not a CPU. ]
This is a very first line that is bein written on the description of semaphore on kernel newbies.So what are the different parameter 
that could justify this statement or the way it could be justified and understood.