From fbe83e209ad9c8281e29ac17a60f91119d86fa8c Mon Sep 17 00:00:00 2001 From: Ashok Raj Date: Sun, 20 Nov 2005 18:49:06 +0100 Subject: [PATCH] [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 --- arch/i386/kernel/acpi/boot.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index f36677241ec..76b1135d401 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; -- 2.20.1