| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifdef CONFIG_SHADOW_CALL_STACK |
| extern void scs_init_irq(void); |
| static __always_inline void scs_save(struct task_struct *tsk) |
| asm volatile("mov %0, x18" : "=r" (s)); |
| static inline void scs_overflow_check(struct task_struct *tsk) |
| if (unlikely(scs_corrupted(tsk))) |
| panic("corrupted shadow stack detected inside scheduler\n"); |
| #else /* CONFIG_SHADOW_CALL_STACK */ |
| static inline void scs_init_irq(void) {} |
| static inline void scs_save(struct task_struct *tsk) {} |
| static inline void scs_overflow_check(struct task_struct *tsk) {} |
| #endif /* CONFIG_SHADOW_CALL_STACK */ |
| #endif /* __ASSEMBLY __ */ |