From: Ashok Raj Date: Sun, 20 Nov 2005 17:49:06 +0000 (+0100) Subject: [PATCH] Register disabled CPUs X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=fbe83e209ad9c8281e29ac17a60f91119d86fa8c;p=linux-beck.git [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 Signed-off-by: Andi Kleen Signed-off-by: Linus Torvalds --- diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index f36677241ecd..76b1135d401a 100644 --- 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;