[Bug kprobes/22147] stopped to probe do_arch_ctrl_64

[nlzdbg at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=22147

--- Comment #1 from nlz <nlzdbg at gmail dot com> ---
I need this feature to localize bug in nvidia 384.69 kernel driver
becausefs_base is changed and Xorg crashed  in glib.c.
Issue
https://devtalk.nvidia.com/default/topic/1023538/384-69-libglx-xorg-strtol-sigsegv/
I need to figure out in which context do_arch_ctrl_64 is called.
While systemtap worked I found that fs_base is spolied due to
chain of calls
SyS_arch_prctl() -> do_arch_prctl_64()
but I want localize kernel and user stack more.

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