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