| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| #ifndef __ASM_VDSO_PROCESSOR_H | |
| #define __ASM_VDSO_PROCESSOR_H | |
| #ifndef __ASSEMBLY__ | |
| static inline void cpu_relax(void) | |
| { | |
| #ifdef __riscv_muldiv | |
| int dummy; | |
| /* In lieu of a halt instruction, induce a long-latency stall. */ | |
| __asm__ __volatile__ ("div %0, %0, zero" : "=r" (dummy)); | |
| #endif | |
| barrier(); | |
| } | |
| #endif /* __ASSEMBLY__ */ | |
| #endif /* __ASM_VDSO_PROCESSOR_H */ |