On Tue, Dec 03, 2013 at 10:32:26AM +0900, HATAYAMA Daisuke wrote: [..] > > diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt > index 50680a5..dd77bec 100644 > --- a/Documentation/kernel-parameters.txt > +++ b/Documentation/kernel-parameters.txt > @@ -774,6 +774,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted. > disable= [IPV6] > See Documentation/networking/ipv6.txt. > > + disable_cpu_apicid= [X86,APIC,KEXEC,SMP] Hi Hatayama, We are almost there. A minor nit. Why have we specified KEXEC here. This parameter disabled_cpu_apicid does not seem to dependon CONFIG_KEXEC? Jerry, this patch looks good to me. Does it work on your system? Thanks Vivek