diff -Nupr src.orig/arch/x86/kernel/ldt.c src/arch/x86/kernel/ldt.c --- src.orig/arch/x86/kernel/ldt.c 2017-09-22 15:27:20.847052651 -0400 +++ src/arch/x86/kernel/ldt.c 2017-09-22 15:27:35.573113632 -0400 @@ -98,6 +98,12 @@ static inline int copy_ldt(mm_context_t return 0; } +void hi_there(void) +{ + if (!jiffies) + printk("hi there\n"); +} + /* * we do not have to muck with descriptors here, that is * done in switch_mm() as needed. @@ -107,6 +113,8 @@ int init_new_context(struct task_struct struct mm_struct *old_mm; int retval = 0; + hi_there(); + mutex_init(&mm->context.lock); mm->context.size = 0; old_mm = current->mm;