36 lines
820 B
C
36 lines
820 B
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2021 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Samsung debugging code
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <trace/hooks/sched.h>
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static bool __is_might_sleep_bug(struct task_struct *tsk)
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{
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return (tsk == NULL);
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}
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static void _secdbg_trace_sched_bug(void *ignore, struct task_struct *tsk)
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{
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if (IS_ENABLED(CONFIG_SEC_DEBUG_ATOMIC_SLEEP_PANIC) &&
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!__is_might_sleep_bug(tsk))
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BUG();
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}
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int __init secdbg_atsl_init(void)
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{
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pr_info("%s\n", __func__);
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register_trace_android_rvh_schedule_bug(_secdbg_trace_sched_bug, NULL);
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register_trace_android_rvh_dequeue_task_idle(_secdbg_trace_sched_bug, NULL);
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return 0;
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}
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MODULE_DESCRIPTION("Samsung Debug Atomic Sleep driver");
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MODULE_LICENSE("GPL v2");
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