1 | // SPDX-License-Identifier: MIT |
---|---|
2 | /* |
3 | * Copyright © 2018 Intel Corporation |
4 | */ |
5 | |
6 | #include <linux/preempt.h> |
7 | #include <linux/bottom_half.h> |
8 | #include <linux/irqflags.h> |
9 | |
10 | #include "igt_atomic.h" |
11 | |
12 | static void __preempt_begin(void) |
13 | { |
14 | preempt_disable(); |
15 | } |
16 | |
17 | static void __preempt_end(void) |
18 | { |
19 | preempt_enable(); |
20 | } |
21 | |
22 | static void __softirq_begin(void) |
23 | { |
24 | local_bh_disable(); |
25 | } |
26 | |
27 | static void __softirq_end(void) |
28 | { |
29 | local_bh_enable(); |
30 | } |
31 | |
32 | static void __hardirq_begin(void) |
33 | { |
34 | local_irq_disable(); |
35 | } |
36 | |
37 | static void __hardirq_end(void) |
38 | { |
39 | local_irq_enable(); |
40 | } |
41 | |
42 | const struct igt_atomic_section igt_atomic_phases[] = { |
43 | { "preempt", __preempt_begin, __preempt_end }, |
44 | { "softirq", __softirq_begin, __softirq_end }, |
45 | { "hardirq", __hardirq_begin, __hardirq_end }, |
46 | { } |
47 | }; |
48 |