root/arch/riscv/kernel/vdso/getcpu.S

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   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_getcpu(unsigned *cpu, unsigned *node, void *unused); */
  11 ENTRY(__vdso_getcpu)
  12         .cfi_startproc
  13         /* For now, just do the syscall. */
  14         li a7, __NR_getcpu
  15         ecall
  16         ret
  17         .cfi_endproc
  18 ENDPROC(__vdso_getcpu)
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