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[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>
Ashok Raj 19 年 前
コミット
fbe83e209a
1 ファイル変更1 行追加3 行削除
  1. 1 3
      arch/i386/kernel/acpi/boot.c

+ 1 - 3
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;