Hi Sri, On Thu, Sep 16, 2010 at 2:29 PM, Sri Ram Vemulpali <sri.ram.gmu06@xxxxxxxxx> wrote: > Hi Guys, > I got stuck at a function to understand which is called in irq_enter > context. > This function is rcu_exit_nohz(); > I know rcu is read-copy-update locking mechanism to provide light > weight locking > to synchronize readers and writers. > So now the question is what this function rcu_exit_nohz() do in > irq_enter context > and what is "struct rcu_dynticks" is used for. > Can anyone please clarify these. Thanks. I'd recommend reading up on RCU. <http://en.wikipedia.org/wiki/Read-copy-update> and the more interesting stuff can be found in your linux Documentation/RCU/ directory. Start with the rcu.txt file. -- Dave Hylands Shuswap, BC, Canada http://www.DaveHylands.com/ -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
