1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2017 SiFive 4 */ 5 6 #include <linux/linkage.h> 7 #include <asm/unistd.h> 8 9 .text 10 /* int __vdso_flush_icache(void *start, void *end, unsigned long flags); */ 11 SYM_FUNC_START(__vdso_flush_icache) 12 .cfi_startproc 13 #ifdef CONFIG_SMP 14 li a7, __NR_riscv_flush_icache 15 ecall 16 #else 17 fence.i 18 li a0, 0 19 #endif 20 ret 21 .cfi_endproc 22 SYM_FUNC_END(__vdso_flush_icache)
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