| 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | #include <asm/paravirt.h> |
| 3 | #include <linux/smp.h> |
| 4 | #include <linux/export.h> |
| 5 | #include <linux/kvm_types.h> |
| 6 | |
| 7 | static void __wbinvd(void *dummy) |
| 8 | { |
| 9 | wbinvd(); |
| 10 | } |
| 11 | |
| 12 | void wbinvd_on_cpu(int cpu) |
| 13 | { |
| 14 | smp_call_function_single(cpuid: cpu, func: __wbinvd, NULL, wait: 1); |
| 15 | } |
| 16 | EXPORT_SYMBOL_FOR_KVM(wbinvd_on_cpu); |
| 17 | |
| 18 | void wbinvd_on_all_cpus(void) |
| 19 | { |
| 20 | on_each_cpu(func: __wbinvd, NULL, wait: 1); |
| 21 | } |
| 22 | EXPORT_SYMBOL(wbinvd_on_all_cpus); |
| 23 | |
| 24 | void wbinvd_on_cpus_mask(struct cpumask *cpus) |
| 25 | { |
| 26 | on_each_cpu_mask(mask: cpus, func: __wbinvd, NULL, wait: 1); |
| 27 | } |
| 28 | EXPORT_SYMBOL_FOR_KVM(wbinvd_on_cpus_mask); |
| 29 | |
| 30 | static void __wbnoinvd(void *dummy) |
| 31 | { |
| 32 | wbnoinvd(); |
| 33 | } |
| 34 | |
| 35 | void wbnoinvd_on_all_cpus(void) |
| 36 | { |
| 37 | on_each_cpu(func: __wbnoinvd, NULL, wait: 1); |
| 38 | } |
| 39 | EXPORT_SYMBOL_FOR_KVM(wbnoinvd_on_all_cpus); |
| 40 | |
| 41 | void wbnoinvd_on_cpus_mask(struct cpumask *cpus) |
| 42 | { |
| 43 | on_each_cpu_mask(mask: cpus, func: __wbnoinvd, NULL, wait: 1); |
| 44 | } |
| 45 | EXPORT_SYMBOL_FOR_KVM(wbnoinvd_on_cpus_mask); |
| 46 | |