On Saturday 22 August 2009, Pavel Machek wrote: > Hi! > > > > Do we really need async for noirq handlers? > > > > Yes, we do. Specifically, for PCI. > > Do noirq parts of PCI handling really so long that we need to make > them async? I think so. It may get 10 ms to handle a PCI device at this stage usually and this is all waiting. If you multiply that by the number of PCI devices ... > Async in normal paths looks pretty much okay to me, but in noirq > parts, locking is tricky, etc... The locking is actually simpler in that case. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
