| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [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 | { |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 18 | on_each_cpu(__wbinvd, NULL, 1); |
| 19 | return 0; |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 20 | } |
| 21 | EXPORT_SYMBOL(wbinvd_on_all_cpus); |