1 // SPDX-License-Identifier: GPL-2.0 2 #include <asm/paravirt.h> 3 #include <linux/smp.h> 4 #include <linux/export.h> 5 6 static void __wbinvd(void *dummy) 7 { 8 wbinvd(); 9 } 10 11 void wbinvd_on_cpu(int cpu) 12 { 13 smp_call_function_single(cpu, __wbinvd, NULL, 1); 14 } 15 EXPORT_SYMBOL(wbinvd_on_cpu); 16 17 int wbinvd_on_all_cpus(void) 18 { 19 on_each_cpu(__wbinvd, NULL, 1); 20 return 0; 21 } 22 EXPORT_SYMBOL(wbinvd_on_all_cpus); 23