arch/arm64/include/asm/paravirt.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_ARM64_PARAVIRT_H
   3 #define _ASM_ARM64_PARAVIRT_H
   4
   5 #ifdef CONFIG_PARAVIRT
   6 struct static_key;
   7 extern struct static_key paravirt_steal_enabled;
   8 extern struct static_key paravirt_steal_rq_enabled;
   9
  10 struct pv_time_ops {
  11         unsigned long long (*steal_clock)(int cpu);
  12 };
  13
  14 struct paravirt_patch_template {
  15         struct pv_time_ops time;
  16 };
  17
  18 extern struct paravirt_patch_template pv_ops;
  19
  20 static inline u64 paravirt_steal_clock(int cpu)
  21 {
  22         return pv_ops.time.steal_clock(cpu);
  23 }
  24
  25 int __init pv_time_init(void);
  26
  27 #else
  28
  29 #define pv_time_init() do {} while (0)
  30
  31 #endif // CONFIG_PARAVIRT
  32
  33 #endif