cache-smp.c 358 B

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