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Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
-rw-r--r--arch/x86/kernel/cpu/common.c19
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;