Hi Adam, I can understand your worry, but back to beginning, just as the subject of the patch: "replace deprecated __check_region to request_region", I think this patch is still need, although it can't solve the problems both you guys mentioned. Do you agree it? 2011/8/12 Adam M Belay <abelay@xxxxxxx>: > Hi Wang, > > Yes, I think your description of the race condition is right. However, as > Bjorn > mentioned, there are many x86 init paths that will try to reserve the same > resources as those reported by pnp/acpi. There needs to be a better way to > coordinate legacy device enumeration. Otherwise, the request_region() calls > could fail when there isn't an actual resource conflict. > > IF we could find a good way to clean up the legacy users of request_region() > then we could probably make pnp behave more like pci with regard to resource > reservations. > > Cheers, > Adam -- Wang Shaoyan -- 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