cache-smp.c 388 B

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  1. // SPDX-License-Identifier: GPL-2.0
  2. #include <asm/paravirt.h>
  3. #include <linux/smp.h>
  4. #include <linux/export.h>
  5. static void __wbinvd(void *dummy)
  6. {
  7. wbinvd();
  8. }
  9. void wbinvd_on_cpu(int cpu)
  10. {
  11. smp_call_function_single(cpu, __wbinvd, NULL, 1);
  12. }
  13. EXPORT_SYMBOL(wbinvd_on_cpu);
  14. int wbinvd_on_all_cpus(void)
  15. {
  16. on_each_cpu(__wbinvd, NULL, 1);
  17. return 0;
  18. }
  19. EXPORT_SYMBOL(wbinvd_on_all_cpus);