http://lxr.linux.no/#linux+v2.6.31/Documentation/preempt-locking.txt 2009/10/9 Daniel Rodrick <daniel.rodrick@xxxxxxxxx>: > Hi List, > > I have few queries related to preempt_disable() and would appreciate > any answers to it. > > Firstly, Does preempt_disable() disable the preemption on all the > processors or on just the local processor? > > Secondly, a preempt_disable() a suffifient synchronization technique > to guard a data that is shared only among process context code on a > Uni-processor? And on SMP? > > Lastly, is it allowable to schedule / sleep immediately after a call > to preempt_disable()? > > Thanks & Best Regards, > > Dan > > -- > To unsubscribe from this list: send an email with > "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx > Please read the FAQ at http://kernelnewbies.org/FAQ > > -- Best Regards Lin -- To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs
