[PATCH] Register disabled CPUs

Needed to make the earlier use disabled CPUs for CPU hotplug patch
actually work.

Need to register disabled processors as well, so we can count them
towards cpu_possible_map as hot pluggable cpus.

Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index f36677241ecd528527528cc779ee6fb067de7926..76b1135d401a6eb3b4851fe344fe6f052f70300f 100644 (file)
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -248,9 +248,7 @@ acpi_parse_lapic(acpi_table_entry_header * header, const unsigned long end)
 
        acpi_table_print_madt_entry(header);
 
-       /* no utility in registering a disabled processor */
-       if (processor->flags.enabled == 0)
-               return 0;
+       /* Register even disabled CPUs for cpu hotplug */
 
        x86_acpiid_to_apicid[processor->acpi_id] = processor->id;