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(cpuid: cpu, func: __wbinvd, NULL, wait: 1); |
13 | } |
14 | EXPORT_SYMBOL(wbinvd_on_cpu); |
15 | |
16 | int wbinvd_on_all_cpus(void) |
17 | { |
18 | on_each_cpu(func: __wbinvd, NULL, wait: 1); |
19 | return 0; |
20 | } |
21 | EXPORT_SYMBOL(wbinvd_on_all_cpus); |
22 |