stack_tracer_disable(9)

💅 stack_tracer_disable(9)

okay bestie, welcome to the Kernel API Manual — this one is short but she is important 🫶

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🌸 NAME 🌸

stack_tracer_disable — temporarily disable the stack tracer ✨

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🎀 SYNOPSIS 🎀

void stack_tracer_disable (void );

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🦋 ARGUMENTS 🦋

• void — no arguments. literally zero. not a single one. 💀

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💖 DESCRIPTION 💖

So there are a few locations (namely in RCU) where stack tracing cannot be executed, periodt. This function is what you call to disable stack tracing during those critical sections. slay. 👑

⚠️ important bestie: this function must be called with preemption or interrupts disabled, and stack_tracer_enable must be called shortly after while preemption or interrupts are still disabled. no cap, don’t skip that part. 😭

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🌈 SEE ALSO 🌈

Kernel file ./include/linux/ftrace.h:

• stack_tracer_enable(9)
• ftrace_get_symaddr(9)
• ftrace_make_nop(9)
• ftrace_need_init_nop(9)
• ftrace_init_nop(9)
• ftrace_make_call(9)
• ftrace_modify_call(9)

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that’s the whole vibe 💜 signed off from ./include/linux, dated October 2026, page stack_tracer_disable(9) — mwah 💋✨