(2013/12/04 12:08), HATAYAMA Daisuke wrote: > (2013/12/04 0:25), Vivek Goyal wrote: >> 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? >> > > Because primary user for the option is currently kexec/kdump only. > > I referred to acpi_rsdp description: > > acpi_rsdp= [ACPI,EFI,KEXEC] > Pass the RSDP address to the kernel, mostly used > on machines running EFI runtime service to boot the > second kernel for kdump. > Indo-san, who introduced acpi_rsdp and KEXEC tag, told me that historical reason why KEXEC tag was introduced. disable_cpu_apicid is generic at least in the current version, so the tag doesn't need to be specified here. I'll post a new version soon. -- Thanks. HATAYAMA, Daisuke
