文件操作 - Kconfig.debug
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文件: /usr/src/linux-headers-5.15.0-186/arch/s390/Kconfig.debug
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# SPDX-License-Identifier: GPL-2.0 config EARLY_PRINTK def_bool y config DEBUG_ENTRY bool "Debug low-level entry code" depends on DEBUG_KERNEL help This option enables sanity checks in s390 low-level entry code. Some of these sanity checks may slow down kernel entries and exits or otherwise impact performance. If unsure, say N. config CIO_INJECT bool "CIO Inject interfaces" depends on DEBUG_KERNEL && DEBUG_FS help This option provides a debugging facility to inject certain artificial events and instruction responses to the CIO layer of Linux kernel. The newly created debugfs user-interfaces will be at /sys/kernel/debug/s390/cio/*
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