On Fri, Jul 03, 2015 at 03:29:06PM +0800, Hanjun Guo wrote: > It is normal that firmware presents GICC entry or entries (processors) > with disabled flag in ACPI MADT, taking a system of 16 cpus for example, > ACPI firmware may present 8 ebabled first with another 8 cpus disabled > in MADT, the disabled cpus can be hot-added later. > > Firmware may also present more cpus than the hardware actually has, but > disabled the unused ones, and easily enable it when the hardware has such > cpus to make the firmware code scalable. > > So that's not an error for disabled cpus in MADT, we can switch pr_err() > to pr_debug() to make the boot a little quieter by default. > > Since hwid for disabled cpus often are invalid, and we check invalid hwid > fisrt in the code, for use case that hot add cpus later will be filtered > out and will not be counted in possible cups, so move this check before > the hwid one to prepare the code to count for disabeld cpus when cpu > hot-plug is introduced. > > Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx> Applied. Thanks. -- Catalin -- 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
