On Fri, Oct 9, 2015 at 10:52 AM, Thomas Gleixner <[email protected]> wrote: > On Fri, 9 Oct 2015, Duc Dang wrote: >> Hi Thomas, Marc, Jason and All, >> >> In APM ARM64 X-Gene Enet controller driver, we use disable_irq_nosync to >> disable interrupt before calling __napi_schedule to schedule packet handler >> to process the Tx/Rx packets. > > Which is wrong to begin with. Disable the interrupt at the device > level not at the interrupt line level. > Hi Thomas,
We could not disable the interrupt at Enet controller level due to the controller limitation. As you said, using disable_irq_nosync is wrong but it looks like that the only option that we have. Do you have any suggestion about different approach that we could try? > Thanks, > > tglx Regards, Duc Dang. -- 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/
