On 04/30/14 at 10:13pm, Rafael J. Wysocki wrote: > On Wednesday, April 30, 2014 02:03:03 PM Baoquan He wrote: > > Hi Rafael, > > Hi, > > > Thanks for previous review for v1. Later on I thought acpi_lapic is > > more suitable for checking whether LAPIC in MADT is available, and it can > > hanlde both the UP system running SMP kernel with no LAPIC in MADT and kdump > > kernel after multiple CPUs system crashed on non-1st CPU. > > > > I tested the 1st case by addding "disableapic nr_cpus=1" into cmdline > > of SMP kenrel, and it works. For 2nd case, it works too, below warning > > message is not printed any more. > > > > acpi LNXCPU:0a: BIOS reported wrong ACPI id 0 for the processor > > > > Do you like this idea? > > Well, I don't hate it, but you need to make the code build in all > configurations (including ia64). > Hi Rafael, Sorry about this, I didn't realize acpi_lapic is for x86 only. And ia64 uses it too. About this bug, it should exist in ia64 too. After checking code, introducing acpi_lapic into ia64 is a solution, I will try to find a ia64 machine to test this though it's a little difficult, since people around didn't test ia64 recently. Any suggestion or comment? Thanks Baoquan -- 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
