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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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I cannot enable HAVE_KPROBES_ON_FTRACE - Kernel compile (self.linux)

submitted 1 week ago by SpongeB0B to c/[email protected]

2 comments fedilink hide all child comments

Hi,

I have a great piece of software, that apparently need HAVE_KPROBES_ON_FTRACE

To config the kernel option I'm using :

make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- menuconfig

The Kernel is Linux/arm64 6.6.63

When I'm doing a search inside menuconfig i get:

Symbol: HAVE_KPROBES_ON_FTRACE [=n]
Type  : bool
Defined at arch/Kconfig:223


Symbol: KPROBES_ON_FTRACE [=n]
Type  : bool
Defined at arch/Kconfig:117
 Depends on: KPROBES [=y] && HAVE_KPROBES_ON_FTRACE [=n] && DYNAMIC_FTRACE_WITH_REGS [=n]

But I found it no where in the menu... and if I add it mannuly in the .config file, then make some more other adapations in menuconfig my manual entry disappear..

Any ideas ?

Maybe HAVE_KPROBES_ON_FTRACE is not supported in 6.6.63 ?

Thanks

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[–] [email protected] 1 points 1 week ago

It's possible that it's not supported on your arch.

[–] SteveTech 1 points 1 week ago

The options that start with HAVE_ usually depend on the arch or compiler. I don't believe it's possible to enable manually without modifying the source itself.