39 lines
794 B
C
Executable File
39 lines
794 B
C
Executable File
// SPDX-License-Identifier: GPL-2.0
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/*
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* sec_mm/
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*
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* Copyright (C) 2020 Samsung Electronics
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*
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*/
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#include <linux/mm.h>
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#include <linux/panic_notifier.h>
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#include <linux/sec_mm.h>
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static int sec_mm_panic_handler(struct notifier_block *nb,
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unsigned long action, void *str_buf)
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{
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WRITE_ONCE(dump_tasks_rs.interval, 0);
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#ifdef CONFIG_SEC_MM_DUMP_DMABUF_TASKS
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WRITE_ONCE(dma_buf_tasks_rs.interval, 0);
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#endif
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show_mem();
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return NOTIFY_DONE;
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}
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static struct notifier_block panic_block = {
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.notifier_call = sec_mm_panic_handler,
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.priority = 1 /* prior to priority 0 */
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};
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void init_panic_handler(void)
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{
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atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
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}
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void exit_panic_handler(void)
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{
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atomic_notifier_chain_unregister(&panic_notifier_list, &panic_block);
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}
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