return esr;
}
-asmlinkage void handle_bad_stack(struct pt_regs *regs);
+asmlinkage void __noreturn handle_bad_stack(struct pt_regs *regs);
asmlinkage void el1t_64_sync_handler(struct pt_regs *regs);
asmlinkage void el1t_64_irq_handler(struct pt_regs *regs);
void do_serror(struct pt_regs *regs, unsigned long esr);
void do_notify_resume(struct pt_regs *regs, unsigned long thread_flags);
-void panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far);
+void __noreturn panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far);
#endif /* __ASM_EXCEPTION_H */
extern void __cpu_die(unsigned int cpu);
extern void __noreturn cpu_die(void);
-extern void cpu_die_early(void);
+extern void __noreturn cpu_die_early(void);
-static inline void cpu_park_loop(void)
+static inline void __noreturn cpu_park_loop(void)
{
for (;;) {
wfe();
* which calls for a kernel panic. Update the boot status and park the calling
* CPU.
*/
-static inline void cpu_panic_kernel(void)
+static inline void __noreturn cpu_panic_kernel(void)
{
update_cpu_boot_status(CPU_PANIC_KERNEL);
cpu_park_loop();
#endif /* CONFIG_COMPAT */
#ifdef CONFIG_VMAP_STACK
-asmlinkage void noinstr handle_bad_stack(struct pt_regs *regs)
+asmlinkage void noinstr __noreturn handle_bad_stack(struct pt_regs *regs)
{
unsigned long esr = read_sysreg(esr_el1);
unsigned long far = read_sysreg(far_el1);
* Kill the calling secondary CPU, early in bringup before it is turned
* online.
*/
-void cpu_die_early(void)
+void __noreturn cpu_die_early(void)
{
int cpu = smp_processor_id();
}
#endif
-static void local_cpu_stop(void)
+static void __noreturn local_cpu_stop(void)
{
set_cpu_online(smp_processor_id(), false);
static atomic_t waiting_for_crash_ipi = ATOMIC_INIT(0);
#endif
-static void ipi_cpu_crash_stop(unsigned int cpu, struct pt_regs *regs)
+static void __noreturn ipi_cpu_crash_stop(unsigned int cpu, struct pt_regs *regs)
{
#ifdef CONFIG_KEXEC_CORE
crash_save_cpu(regs, cpu);
/* just in case */
cpu_park_loop();
+#else
+ BUG();
#endif
}
DEFINE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack)
__aligned(16);
-void panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far)
+void __noreturn panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far)
{
unsigned long tsk_stk = (unsigned long)current->stack;
unsigned long irq_stk = (unsigned long)this_cpu_read(irq_stack_ptr);
nmi_panic(regs, "Asynchronous SError Interrupt");
cpu_park_loop();
- unreachable();
}
bool arm64_is_fatal_ras_serror(struct pt_regs *regs, unsigned long esr)