2014-07-31 20:47 GMT+02:00 Frederic Weisbecker <[email protected]>: > On Thu, Jul 31, 2014 at 08:12:30PM +0200, Oleg Nesterov wrote: >> On 07/31, Frederic Weisbecker wrote: > No, because preempt_schedule_irq() does the ctx_state save and restore with > exception_enter/exception_exit.
Similar thing happens with schedule_user(). preempt_schedule_irq() handles kernel preemption and schedule_user() the user preemption. On both cases we save and restore the context tracking state. This might be the missing piece you were missing :) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
