diff options
Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
-rw-r--r-- | arch/x86/kernel/cpu/common.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 8be042df12c3..043d93cdcaad 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1706,25 +1706,6 @@ void syscall_init(void) X86_EFLAGS_IOPL|X86_EFLAGS_AC|X86_EFLAGS_NT); } -DEFINE_PER_CPU(int, debug_stack_usage); -DEFINE_PER_CPU(u32, debug_idt_ctr); - -void debug_stack_set_zero(void) -{ - this_cpu_inc(debug_idt_ctr); - load_current_idt(); -} -NOKPROBE_SYMBOL(debug_stack_set_zero); - -void debug_stack_reset(void) -{ - if (WARN_ON(!this_cpu_read(debug_idt_ctr))) - return; - if (this_cpu_dec_return(debug_idt_ctr) == 0) - load_current_idt(); -} -NOKPROBE_SYMBOL(debug_stack_reset); - #else /* CONFIG_X86_64 */ DEFINE_PER_CPU(struct task_struct *, current_task) = &init_task; |