On Thu, Dec 21, 2017 at 11:41:31AM +0100, Anna-Maria Gleixner wrote: > From: Thomas Gleixner <t...@linutronix.de> > > The protection of a hrtimer which runs its callback against migration to a > different CPU has nothing to do with hard interrupt context. > > The protection against migration of a hrtimer running the expiry callback > is the pointer in the cpu_base which holds a pointer to the currently > running timer. This pointer is evaluated in the code which potentially > switches the timer base and makes sure it's kept on the CPU on which the > callback is running. > > Reported-by: Anna-Maria Gleixner <anna-ma...@linutronix.de> > Signed-off-by: Thomas Gleixner <t...@linutronix.de> > Signed-off-by: Anna-Maria Gleixner <anna-ma...@linutronix.de>
Reviewed-by: Frederic Weisbecker <frede...@kernel.org>