| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | #include <linux/smp.h> | ||||
| 3 | #include <linux/export.h> | ||||
| 4 | |||||
| 5 | static void __wbinvd(void *dummy) | ||||
| 6 | { | ||||
| 7 | wbinvd(); | ||||
| 8 | } | ||||
| 9 | |||||
| 10 | void wbinvd_on_cpu(int cpu) | ||||
| 11 | { | ||||
| 12 | smp_call_function_single(cpu, __wbinvd, NULL, 1); | ||||
| 13 | } | ||||
| 14 | EXPORT_SYMBOL(wbinvd_on_cpu); | ||||
| 15 | |||||
| 16 | int wbinvd_on_all_cpus(void) | ||||
| 17 | { | ||||
| 18 | return on_each_cpu(__wbinvd, NULL, 1); | ||||
| 19 | } | ||||
| 20 | EXPORT_SYMBOL(wbinvd_on_all_cpus); | ||||