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