On Fri, 20 Apr 2007, pradeep singh wrote: > On 4/20/07, Christian Boon <c.boon@xxxxxxxxxxxxxxxxxxxx> wrote: > > When i use this function to disable interrupts, does this mean that when > > an interrupt occurs > > when interrupts are disabled, for example from the ethernet chip, this > > interrupt is lost or does it mean > > that the interrupt isnt serviced at the moment but serviced when > > interrupts are enabled again? > the interrupt is lost, if it maskable and not unmaskable interrupts > IMHO.Because local_irq_save() macro inturn makes use of cli assembly > instruction. This cannot be true. Lost interrupts are bad, and you'd get them all the time, so, nothing would work. Thanks Guennadi --------------------------------- Guennadi Liakhovetski, Ph.D. DSA Daten- und Systemtechnik GmbH Pascalstr. 28 D-52076 Aachen Germany -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
