1 | // SPDX-License-Identifier: GPL-2.0 |
---|---|
2 | #include <asm/paravirt.h> |
3 | #include <linux/smp.h> |
4 | #include <linux/export.h> |
5 | |
6 | static void __wbinvd(void *dummy) |
7 | { |
8 | wbinvd(); |
9 | } |
10 | |
11 | void wbinvd_on_cpu(int cpu) |
12 | { |
13 | smp_call_function_single(cpuid: cpu, func: __wbinvd, NULL, wait: 1); |
14 | } |
15 | EXPORT_SYMBOL(wbinvd_on_cpu); |
16 | |
17 | int wbinvd_on_all_cpus(void) |
18 | { |
19 | on_each_cpu(func: __wbinvd, NULL, wait: 1); |
20 | return 0; |
21 | } |
22 | EXPORT_SYMBOL(wbinvd_on_all_cpus); |
23 |