| 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 |