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arch/Kconfig
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fb32e03fd Create arch/Kconfig |
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# # General architecture dependent options # |
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config OPROFILE tristate "OProfile system profiling (EXPERIMENTAL)" depends on PROFILING depends on HAVE_OPROFILE help OProfile is a profiling system capable of profiling the whole system, include the kernel, kernel modules, libraries, and applications. If unsure, say N. config HAVE_OPROFILE def_bool n config KPROBES bool "Kprobes" depends on KALLSYMS && MODULES depends on HAVE_KPROBES help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes a probepoint and specifies the callback. Kprobes is useful for kernel debugging, non-intrusive instrumentation and testing. If in doubt, say "N". |
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config HAVE_EFFICIENT_UNALIGNED_ACCESS def_bool n help Some architectures are unable to perform unaligned accesses without the use of get_unaligned/put_unaligned. Others are unable to perform such accesses efficiently (e.g. trap on unaligned access and require fixing it up in the exception handler.) This symbol should be selected by an architecture if it can perform unaligned accesses efficiently to allow different code paths to be selected for these cases. Some network drivers, for example, could opt to not fix up alignment problems with received packets if doing so would not help much. See Documentation/unaligned-memory-access.txt for more information on the topic of unaligned memory accesses. |
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config KRETPROBES def_bool y depends on KPROBES && HAVE_KRETPROBES |
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config HAVE_IOREMAP_PROT def_bool n |
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config HAVE_KPROBES def_bool n |
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config HAVE_KRETPROBES def_bool n |
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# # An arch should select this if it provides all these things: # # task_pt_regs() in asm/processor.h or asm/ptrace.h # arch_has_single_step() if there is hardware single-step support # arch_has_block_step() if there is hardware block-step support # arch_ptrace() and not #define __ARCH_SYS_PTRACE # compat_arch_ptrace() and #define __ARCH_WANT_COMPAT_SYS_PTRACE # asm/syscall.h supplying asm-generic/syscall.h interface # linux/regset.h user_regset interfaces # CORE_DUMP_USE_REGSET #define'd in linux/elf.h # TIF_SYSCALL_TRACE calls tracehook_report_syscall_{entry,exit} # TIF_NOTIFY_RESUME calls tracehook_notify_resume() # signal delivery calls tracehook_signal_handler() # config HAVE_ARCH_TRACEHOOK def_bool n |
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config HAVE_DMA_ATTRS def_bool n |
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config USE_GENERIC_SMP_HELPERS def_bool n |
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config HAVE_CLK def_bool n help The <linux/clk.h> calls support software clock gating and thus are a key power management tool on many systems. |