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 | { | ||||
18 | return on_each_cpu(__wbinvd, NULL, 1); | ||||
19 | } | ||||
20 | EXPORT_SYMBOL(wbinvd_on_all_cpus); |