mirror of https://gitee.com/openkylin/linux.git
57 lines
932 B
C
57 lines
932 B
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2018 Intel Corporation
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*/
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#ifndef IGT_ATOMIC_H
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#define IGT_ATOMIC_H
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#include <linux/preempt.h>
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#include <linux/bottom_half.h>
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#include <linux/irqflags.h>
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static void __preempt_begin(void)
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{
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preempt_disable();
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}
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static void __preempt_end(void)
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{
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preempt_enable();
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}
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static void __softirq_begin(void)
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{
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local_bh_disable();
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}
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static void __softirq_end(void)
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{
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local_bh_enable();
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}
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static void __hardirq_begin(void)
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{
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local_irq_disable();
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}
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static void __hardirq_end(void)
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{
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local_irq_enable();
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}
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struct igt_atomic_section {
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const char *name;
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void (*critical_section_begin)(void);
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void (*critical_section_end)(void);
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};
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static const struct igt_atomic_section igt_atomic_phases[] = {
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{ "preempt", __preempt_begin, __preempt_end },
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{ "softirq", __softirq_begin, __softirq_end },
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{ "hardirq", __hardirq_begin, __hardirq_end },
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{ }
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};
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#endif /* IGT_ATOMIC_H */
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