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-rw-r--r--arch/s390/kernel/setup.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 3ff291bc63b7..9cbf490fd162 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -355,7 +355,6 @@ early_initcall(async_stack_realloc);
void __init arch_call_rest_init(void)
{
- struct stack_frame *frame;
unsigned long stack;
stack = stack_alloc();
@@ -368,13 +367,7 @@ void __init arch_call_rest_init(void)
set_task_stack_end_magic(current);
stack += STACK_INIT_OFFSET;
S390_lowcore.kernel_stack = stack;
- frame = (struct stack_frame *) stack;
- memset(frame, 0, sizeof(*frame));
- /* Branch to rest_init on the new stack, never returns */
- asm volatile(
- " la 15,0(%[_frame])\n"
- " jg rest_init\n"
- : : [_frame] "a" (frame));
+ CALL_ON_STACK_NORETURN(rest_init, stack);
}
static void __init setup_lowcore_dat_off(void)