Merge tag 'stackleak-v4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / arch / arm64 / kernel / process.c

diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index ce99c58..d9a4c2d 100644 (file)
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -497,25 +497,3 @@ void arch_setup_new_exec(void)
 {
        current->mm->context.flags = is_compat_task() ? MMCF_AARCH32 : 0;
 }
-
-#ifdef CONFIG_GCC_PLUGIN_STACKLEAK
-void __used stackleak_check_alloca(unsigned long size)
-{
-       unsigned long stack_left;
-       unsigned long current_sp = current_stack_pointer;
-       struct stack_info info;
-
-       BUG_ON(!on_accessible_stack(current, current_sp, &info));
-
-       stack_left = current_sp - info.low;
-
-       /*
-        * There's a good chance we're almost out of stack space if this
-        * is true. Using panic() over BUG() is more likely to give
-        * reliable debugging output.
-        */
-       if (size >= stack_left)
-               panic("alloca() over the kernel stack boundary\n");
-}
-EXPORT_SYMBOL(stackleak_check_alloca);
-#endif