1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index a86769efe0df..591012fb949f 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1205,6 +1205,8 @@ void __cpuinit cpu_init(void)
         load_TR_desc();
         load_LDT(&init_mm.context);
 
+        t->x86_tss.io_bitmap_base = offsetof(struct tss_struct, io_bitmap);
+
 #ifdef CONFIG_DOUBLEFAULT
         /* Set up doublefault TSS pointer in the GDT */
         __set_tss_desc(cpu, GDT_ENTRY_DOUBLEFAULT_TSS, &doublefault_tss);