On Fri, 2010-05-14 at 00:02 +0530, ratheesh k wrote: > I am running RT linux . > > /* code snippet */ > > preempt_disable() > ........... > sleep(10); > '............ > preempt_enable() > > > will this sleep() will cause reschedule ?. > Why would you do this? If you had tried this code, you would have seen the corresponding stack dump on the console. > if an interrupt comes while premption is disabled , how it is handled ?. > Depends on the number of (idle) cores, the setting of CONFIG_PREEMPT_[] and the type of interrupt. RT threaded IRQs would not run until preemption is enabled on a single core system. > Thanks, > Ratheesh > -- > To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
